Fare Guide

Estimated lowest fares found within 7 days

Cheapest Airline United Airlines

The cheapest airline(s) flying from Seattle to London is United Airlines.

  • United Airlines United Airlines
  • Icelandair Icelandair
  • Lufthansa Lufthansa
  • Virgin Atlantic Airways Virgin Atlantic Airways
  • Delta Air Lines Delta Air Lines
  • British Airways British Airways
  • Norse Atlantic UK Norse Atlantic UK
  • Air Canada Air Canada
  • KLM KLM
  • Air France Air France
Cheapest Month October

Travel Period: October 2024 - September 2025

The cheapest month(s) to fly from Seattle to London is October.

  • Oct 2024
  • Nov 2024
  • Dec 2024
  • Jan 2025
  • Feb 2025
  • Mar 2025
  • Apr 2025
  • May 2025
  • Jun 2025
  • Jul 2025
  • Aug 2025
  • Sep 2025
Cheapest Day of the Week Thursday

The cheapest day(s) of the week to fly from Seattle to London is Thursday.

  • Sun Sunday
  • Mon Monday
  • Tue Tuesday
  • Wed Wednesday
  • Thu Thursday
  • Fri Friday
  • Sat Saturday

Flight Schedules

Last Updated: Mon, 2 Sep, 2024

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      • Availability
        • M
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        • S
      • 19:40 SEA
        13:00 LHR
        9Hrs, 20m Direct
      • SEASeattle/Tacoma International Airport 19:40 - LHR 13:00 9h 20m Direct
      • SEASeattle/Tacoma International Airport 19:40
      • LHRLondon Heathrow Airport 13:00
      • 9h 20m
      • Direct
      • British Airways (BA 48)Boeing Dreamliner Series 10
      • British Airways (BA 48)
        • M
        • T
        • W
        • T
        • F
        • S
        • S
      • Boeing Dreamliner Series 10
      • 21:15 SEA
        14:50 LHR
        9Hrs, 35m Direct
      • SEASeattle/Tacoma International Airport 21:15 - LHR 14:50 9h 35m Direct
      • SEASeattle/Tacoma International Airport 21:15
      • LHRLondon Heathrow Airport 14:50
      • 9h 35m
      • Direct
      • Delta Air Lines (DL 20)Airbus A330 900 Neo
      • Delta Air Lines (DL 20)
        • M
        • T
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        • T
        • F
        • S
        • S
      • Airbus A330 900 Neo
      • 13:30 SEA
        06:50 LHR
        9Hrs, 20m Direct
      • SEASeattle/Tacoma International Airport 13:30 - LHR 06:50 9h 20m Direct
      • SEASeattle/Tacoma International Airport 13:30
      • LHRLondon Heathrow Airport 06:50
      • 9h 20m
      • Direct
      • British Airways (BA 52)Boeing 777 300 Er
      • British Airways (BA 52)
        • M
        • T
        • W
        • T
        • F
        • -
        • -
      • Boeing 777 300 Er
      • 13:40 SEA
        07:00 LHR
        9Hrs, 20m Direct
      • SEASeattle/Tacoma International Airport 13:40 - LHR 07:00 9h 20m Direct
      • SEASeattle/Tacoma International Airport 13:40
      • LHRLondon Heathrow Airport 07:00
      • 9h 20m
      • Direct
      • British Airways (BA 52)Boeing 777 300 Er
      • British Airways (BA 52)
        • -
        • -
        • -
        • -
        • -
        • -
        • S
      • Boeing 777 300 Er
      • 13:50 SEA
        07:10 LHR
        9Hrs, 20m Direct
      • SEASeattle/Tacoma International Airport 13:50 - LHR 07:10 9h 20m Direct
      • SEASeattle/Tacoma International Airport 13:50
      • LHRLondon Heathrow Airport 07:10
      • 9h 20m
      • Direct
      • British Airways (BA 52)Boeing 777 300 Er
      • British Airways (BA 52)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • Boeing 777 300 Er
      • 16:30 SEA
        09:50 LHR
        9Hrs, 20m Direct
      • SEASeattle/Tacoma International Airport 16:30 - LHR 09:50 9h 20m Direct
      • SEASeattle/Tacoma International Airport 16:30
      • LHRLondon Heathrow Airport 09:50
      • 9h 20m
      • Direct
      • Virgin Atlantic Airways (VS 106)Boeing 787 9
      • Virgin Atlantic Airways (VS 106)
        • M
        • T
        • W
        • T
        • F
        • S
        • S
      • Boeing 787 9
      • 17:30 SEA
        17:15 LHR
        15Hrs, 45m 1 Stop (LAX)
      • SEASeattle/Tacoma International Airport 17:30 - LHR 17:15 15h 45m 1 Stop (LAX) Los Angeles
      • SEASeattle/Tacoma International Airport 17:30
        LAXLos Angeles International Airport 22:55
      • LAXLos Angeles International Airport 20:15
        LHRLondon Heathrow Airport 17:15
      • 15h 45m (2h 40m)
      • 1 Stop LAX · Los Angeles 2h 40m
      • Delta Air Lines (DL 2861)Boeing 737 800
        Virgin Atlantic Airways (VS 24)Boeing 787 9
      • Delta Air Lines (DL 2861)
        • M
        • -
        • -
        • -
        • -
        • -
        • -
      • 17:30 SEA
        17:15 LHR
        15Hrs, 45m 1 Stop (LAX)
      • SEASeattle/Tacoma International Airport 17:30 - LHR 17:15 15h 45m 1 Stop (LAX) Los Angeles
      • SEASeattle/Tacoma International Airport 17:30
        LAXLos Angeles International Airport 22:55
      • LAXLos Angeles International Airport 20:18
        LHRLondon Heathrow Airport 17:15
      • 15h 45m (2h 37m)
      • 1 Stop LAX · Los Angeles 2h 37m
      • Delta Air Lines (DL 2861)Boeing 737 800
        Virgin Atlantic Airways (VS 24)Airbus A351
      • Delta Air Lines (DL 2861)
        • -
        • T
        • W
        • -
        • -
        • -
        • -
      • 17:30 SEA
        17:15 LHR
        15Hrs, 45m 1 Stop (LAX)
      • SEASeattle/Tacoma International Airport 17:30 - LHR 17:15 15h 45m 1 Stop (LAX) Los Angeles
      • SEASeattle/Tacoma International Airport 17:30
        LAXLos Angeles International Airport 22:55
      • LAXLos Angeles International Airport 20:15
        LHRLondon Heathrow Airport 17:15
      • 15h 45m (2h 40m)
      • 1 Stop LAX · Los Angeles 2h 40m
      • Delta Air Lines (DL 2861)Boeing 737 800
        Virgin Atlantic Airways (VS 24)Airbus A351
      • Delta Air Lines (DL 2861)
        • -
        • -
        • -
        • T
        • F
        • -
        • S
      • 17:42 SEA
        16:05 LHR
        14Hrs, 23m 1 Stop (LAX)
      • SEASeattle/Tacoma International Airport 17:42 - LHR 16:05 14h 23m 1 Stop (LAX) Los Angeles
      • SEASeattle/Tacoma International Airport 17:42
        LAXLos Angeles International Airport 21:45
      • LAXLos Angeles International Airport 20:27
        LHRLondon Heathrow Airport 16:05
      • 14h 23m (1h 18m)
      • 1 Stop LAX · Los Angeles 1h 18m
      • Alaska Airlines (AS 1050)Boeing 737 Max 9 Passenger
        American Airlines (AA 138)Boeing 777 200
      • Alaska Airlines (AS 1050)
        • -
        • -
        • -
        • -
        • F
        • S
        • -
      • 17:42 SEA
        16:05 LHR
        14Hrs, 23m 1 Stop (LAX)
      • SEASeattle/Tacoma International Airport 17:42 - LHR 16:05 14h 23m 1 Stop (LAX) Los Angeles
      • SEASeattle/Tacoma International Airport 17:42
        LAXLos Angeles International Airport 21:45
      • LAXLos Angeles International Airport 20:27
        LHRLondon Heathrow Airport 16:05
      • 14h 23m (1h 18m)
      • 1 Stop LAX · Los Angeles 1h 18m
      • Alaska Airlines (AS 1050)Boeing 737 700
        American Airlines (AA 138)Boeing 777 200
      • Alaska Airlines (AS 1050)
        • -
        • -
        • -
        • -
        • -
        • -
        • S
      • 17:42 SEA
        16:05 LHR
        14Hrs, 23m 1 Stop (LAX)
      • SEASeattle/Tacoma International Airport 17:42 - LHR 16:05 14h 23m 1 Stop (LAX) Los Angeles
      • SEASeattle/Tacoma International Airport 17:42
        LAXLos Angeles International Airport 21:45
      • LAXLos Angeles International Airport 20:27
        LHRLondon Heathrow Airport 16:05
      • 14h 23m (1h 18m)
      • 1 Stop LAX · Los Angeles 1h 18m
      • Alaska Airlines (AS 1050)Boeing 737 800
        American Airlines (AA 138)Boeing 777 200
      • Alaska Airlines (AS 1050)
        • -
        • -
        • -
        • T
        • -
        • -
        • -
      • 17:42 SEA
        16:05 LHR
        14Hrs, 23m 1 Stop (LAX)
      • SEASeattle/Tacoma International Airport 17:42 - LHR 16:05 14h 23m 1 Stop (LAX) Los Angeles
      • SEASeattle/Tacoma International Airport 17:42
        LAXLos Angeles International Airport 21:45
      • LAXLos Angeles International Airport 20:27
        LHRLondon Heathrow Airport 16:05
      • 14h 23m (1h 18m)
      • 1 Stop LAX · Los Angeles 1h 18m
      • Alaska Airlines (AS 1050)Boeing 737 900
        American Airlines (AA 138)Boeing 777 200
      • Alaska Airlines (AS 1050)
        • -
        • T
        • W
        • -
        • -
        • -
        • -
      • 17:42 SEA
        16:05 LHR
        14Hrs, 23m 1 Stop (LAX)
      • SEASeattle/Tacoma International Airport 17:42 - LHR 16:05 14h 23m 1 Stop (LAX) Los Angeles
      • SEASeattle/Tacoma International Airport 17:42
        LAXLos Angeles International Airport 21:45
      • LAXLos Angeles International Airport 20:27
        LHRLondon Heathrow Airport 16:05
      • 14h 23m (1h 18m)
      • 1 Stop LAX · Los Angeles 1h 18m
      • Alaska Airlines (AS 1050)Boeing 737
        American Airlines (AA 138)Boeing 777 200
      • Alaska Airlines (AS 1050)
        • M
        • -
        • -
        • -
        • -
        • -
        • -
      • 17:45 SEA
        16:30 LHR
        14Hrs, 45m 1 Stop (SFO)
      • SEASeattle/Tacoma International Airport 17:45 - LHR 16:30 14h 45m 1 Stop (SFO) San Francisco
      • SEASeattle/Tacoma International Airport 17:45
        SFOSan Francisco International Airport 22:10
      • SFOSan Francisco International Airport 20:02
        LHRLondon Heathrow Airport 16:30
      • 14h 45m (2h 08m)
      • 1 Stop SFO · San Francisco 2h 08m
      • Delta Air Lines (DL 3821)Embraer 175
        Virgin Atlantic Airways (VS 42)Boeing 787 9
      • Delta Air Lines (DL 3821)
        • M
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        • T
        • F
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        • S
      • 17:50 SEA
        14:10 LHR
        12Hrs, 20m 1 Stop (YVR)
      • SEASeattle/Tacoma International Airport 17:50 - LHR 14:10 12h 20m 1 Stop (YVR) Vancouver
      • SEASeattle/Tacoma International Airport 17:50
        YVRVancouver International Airport 20:50
      • YVRVancouver International Airport 18:46
        LHRLondon Heathrow Airport 14:10
      • 12h 20m (2h 04m)
      • 1 Stop YVR · Vancouver 2h 04m
      • Alaska Airlines (AS 2070)Embraer Emb 175
        British Airways (BA 84)Airbus A351
      • Alaska Airlines (AS 2070)
        • M
        • T
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        • T
        • -
        • S
        • S
      • 17:50 SEA
        14:15 LHR
        12Hrs, 25m 1 Stop (YVR)
      • SEASeattle/Tacoma International Airport 17:50 - LHR 14:15 12h 25m 1 Stop (YVR) Vancouver
      • SEASeattle/Tacoma International Airport 17:50
        YVRVancouver International Airport 20:55
      • YVRVancouver International Airport 18:46
        LHRLondon Heathrow Airport 14:15
      • 12h 25m (2h 09m)
      • 1 Stop YVR · Vancouver 2h 09m
      • Alaska Airlines (AS 2070)Embraer Emb 175
        British Airways (BA 84)Airbus A351
      • Alaska Airlines (AS 2070)
        • -
        • -
        • -
        • -
        • F
        • -
        • -
      • 17:50 SEA
        17:15 LHR
        15Hrs, 25m 1 Stop (LAX)
      • SEASeattle/Tacoma International Airport 17:50 - LHR 17:15 15h 25m 1 Stop (LAX) Los Angeles
      • SEASeattle/Tacoma International Airport 17:50
        LAXLos Angeles International Airport 22:55
      • LAXLos Angeles International Airport 20:38
        LHRLondon Heathrow Airport 17:15
      • 15h 25m (2h 17m)
      • 1 Stop LAX · Los Angeles 2h 17m
      • Delta Air Lines (DL 2861)Boeing 737 800
        Virgin Atlantic Airways (VS 24)Airbus A351
      • Delta Air Lines (DL 2861)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 17:59 SEA
        16:05 LHR
        14Hrs, 06m 1 Stop (LAX)
      • SEASeattle/Tacoma International Airport 17:59 - LHR 16:05 14h 06m 1 Stop (LAX) Los Angeles
      • SEASeattle/Tacoma International Airport 17:59
        LAXLos Angeles International Airport 21:45
      • LAXLos Angeles International Airport 20:57
        LHRLondon Heathrow Airport 16:05
      • 14h 06m (48m)
      • 1 Stop LAX · Los Angeles 48m
      • American Airlines (AA 4882)Crj 700 Canadair Regional
        American Airlines (AA 138)Boeing 777 200
      • American Airlines (AA 4882)
        • M
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        • T
        • F
        • S
        • S
      • 18:10 SEA
        16:15 LHR
        14Hrs, 05m 1 Stop (AMS)
      • SEASeattle/Tacoma International Airport 18:10 - LHR 16:15 14h 05m 1 Stop (AMS) Amsterdam
      • SEASeattle/Tacoma International Airport 18:10
        AMSAmsterdam Airport 15:55
      • AMSAmsterdam Airport 13:00
        LHRLondon Heathrow Airport 16:15
      • 14h 05m (2h 55m)
      • 1 Stop AMS · Amsterdam 2h 55m
      • Delta Air Lines (DL 144)Airbus A330 900 Neo
        KLM (KL 1011)Embraer 195 E2
      • Delta Air Lines (DL 144)
        • M
        • T
        • -
        • T
        • -
        • S
        • S
      • 18:10 SEA
        16:15 LHR
        14Hrs, 05m 1 Stop (AMS)
      • SEASeattle/Tacoma International Airport 18:10 - LHR 16:15 14h 05m 1 Stop (AMS) Amsterdam
      • SEASeattle/Tacoma International Airport 18:10
        AMSAmsterdam Airport 15:55
      • AMSAmsterdam Airport 13:00
        LHRLondon Heathrow Airport 16:15
      • 14h 05m (2h 55m)
      • 1 Stop AMS · Amsterdam 2h 55m
      • Delta Air Lines (DL 144)Airbus A330 900 Neo
        KLM (KL 1011)Boeing 737 700
      • Delta Air Lines (DL 144)
        • -
        • -
        • W
        • -
        • -
        • -
        • -
      • 18:10 SEA
        16:15 LHR
        14Hrs, 05m 1 Stop (AMS)
      • SEASeattle/Tacoma International Airport 18:10 - LHR 16:15 14h 05m 1 Stop (AMS) Amsterdam
      • SEASeattle/Tacoma International Airport 18:10
        AMSAmsterdam Airport 16:00
      • AMSAmsterdam Airport 13:00
        LHRLondon Heathrow Airport 16:15
      • 14h 05m (3h)
      • 1 Stop AMS · Amsterdam 3h
      • Delta Air Lines (DL 144)Airbus A330 900 Neo
        KLM (KL 1011)Embraer 195 E2
      • Delta Air Lines (DL 144)
        • -
        • -
        • -
        • -
        • F
        • -
        • -
      • 18:10 SEA
        16:40 LCY
        14Hrs, 30m 1 Stop (AMS)
      • SEASeattle/Tacoma International Airport 18:10 - LCY 16:40 14h 30m 1 Stop (AMS) Amsterdam
      • SEASeattle/Tacoma International Airport 18:10
        AMSAmsterdam Airport 16:35
      • AMSAmsterdam Airport 13:00
        LCYLondon City Airport 16:40
      • 14h 30m (3h 35m)
      • 1 Stop AMS · Amsterdam 3h 35m
      • Delta Air Lines (DL 144)Airbus A330 900 Neo
        KLM (KL 989)Embraer Emb E90
      • Delta Air Lines (DL 144)
        • M
        • T
        • W
        • T
        • -
        • -
        • S
      • 18:10 SEA
        17:20 LCY
        15Hrs, 10m 1 Stop (AMS)
      • SEASeattle/Tacoma International Airport 18:10 - LCY 17:20 15h 10m 1 Stop (AMS) Amsterdam
      • SEASeattle/Tacoma International Airport 18:10
        AMSAmsterdam Airport 17:15
      • AMSAmsterdam Airport 13:00
        LCYLondon City Airport 17:20
      • 15h 10m (4h 15m)
      • 1 Stop AMS · Amsterdam 4h 15m
      • Delta Air Lines (DL 144)Airbus A330 900 Neo
        KLM (KL 991)Embraer Emb E90
      • Delta Air Lines (DL 144)
        • M
        • T
        • W
        • T
        • -
        • S
        • S
      • 18:10 SEA
        17:35 LHR
        15Hrs, 25m 1 Stop (AMS)
      • SEASeattle/Tacoma International Airport 18:10 - LHR 17:35 15h 25m 1 Stop (AMS) Amsterdam
      • SEASeattle/Tacoma International Airport 18:10
        AMSAmsterdam Airport 17:15
      • AMSAmsterdam Airport 13:00
        LHRLondon Heathrow Airport 17:35
      • 15h 25m (4h 15m)
      • 1 Stop AMS · Amsterdam 4h 15m
      • Delta Air Lines (DL 144)Airbus A330 900 Neo
        KLM (KL 1013)Embraer 195 E2
      • Delta Air Lines (DL 144)
        • M
        • T
        • W
        • T
        • -
        • -
        • S
      • 18:10 SEA
        17:50 LHR
        15Hrs, 40m 1 Stop (AMS)
      • SEASeattle/Tacoma International Airport 18:10 - LHR 17:50 15h 40m 1 Stop (AMS) Amsterdam
      • SEASeattle/Tacoma International Airport 18:10
        AMSAmsterdam Airport 17:30
      • AMSAmsterdam Airport 13:00
        LHRLondon Heathrow Airport 17:50
      • 15h 40m (4h 30m)
      • 1 Stop AMS · Amsterdam 4h 30m
      • Delta Air Lines (DL 144)Airbus A330 900 Neo
        KLM (KL 1013)Embraer 195 E2
      • Delta Air Lines (DL 144)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 18:10 SEA
        17:50 LHR
        15Hrs, 40m 1 Stop (AMS)
      • SEASeattle/Tacoma International Airport 18:10 - LHR 17:50 15h 40m 1 Stop (AMS) Amsterdam
      • SEASeattle/Tacoma International Airport 18:10
        AMSAmsterdam Airport 17:30
      • AMSAmsterdam Airport 13:00
        LHRLondon Heathrow Airport 17:50
      • 15h 40m (4h 30m)
      • 1 Stop AMS · Amsterdam 4h 30m
      • Delta Air Lines (DL 144)Airbus A330 900 Neo
        KLM (KL 1013)Boeing 737 700
      • Delta Air Lines (DL 144)
        • -
        • -
        • -
        • -
        • F
        • -
        • -
      • 18:15 SEA
        16:35 LHR
        14Hrs, 20m 1 Stop (CDG)
      • SEASeattle/Tacoma International Airport 18:15 - LHR 16:35 14h 20m 1 Stop (CDG) Paris
      • SEASeattle/Tacoma International Airport 18:15
        CDGParis Charles de Gaulle Airport 16:10
      • CDGParis Charles de Gaulle Airport 13:20
        LHRLondon Heathrow Airport 16:35
      • 14h 20m (2h 50m)
      • 1 Stop CDG · Paris 2h 50m
      • Delta Air Lines (DL 80)Airbus A330 900 Neo
        Air France (AF 1280)Airbus A220 300
      • Delta Air Lines (DL 80)
        • M
        • T
        • W
        • T
        • F
        • S
        • S
      • 18:45 SEA
        13:55 LHR
        11Hrs, 10m 1 Stop (DUB)
      • SEASeattle/Tacoma International Airport 18:45 - LHR 13:55 11h 10m 1 Stop (DUB) Dublin
      • SEASeattle/Tacoma International Airport 18:45
        DUBDublin Airport 12:30
      • DUBDublin Airport 11:45
        LHRLondon Heathrow Airport 13:55
      • 11h 10m (45m)
      • 1 Stop DUB · Dublin 45m
      • Aer Lingus (EI 52)Airbus Industrie A330 200
        Aer Lingus (EI 160)Airbus A320 Neo
      • Aer Lingus (EI 52)
        • M
        • T
        • W
        • T
        • -
        • S
        • S
      • 18:45 SEA
        14:20 LHR
        11Hrs, 35m 1 Stop (DUB)
      • SEASeattle/Tacoma International Airport 18:45 - LHR 14:20 11h 35m 1 Stop (DUB) Dublin
      • SEASeattle/Tacoma International Airport 18:45
        DUBDublin Airport 13:00
      • DUBDublin Airport 11:45
        LHRLondon Heathrow Airport 14:20
      • 11h 35m (1h 15m)
      • 1 Stop DUB · Dublin 1h 15m
      • Aer Lingus (EI 52)Airbus Industrie A330 200
        British Airways (BA 835)Airbus
      • Aer Lingus (EI 52)
        • -
        • -
        • -
        • T
        • -
        • -
        • -
      • 18:45 SEA
        14:30 LHR
        11Hrs, 45m 1 Stop (DUB)
      • SEASeattle/Tacoma International Airport 18:45 - LHR 14:30 11h 45m 1 Stop (DUB) Dublin
      • SEASeattle/Tacoma International Airport 18:45
        DUBDublin Airport 13:10
      • DUBDublin Airport 11:45
        LHRLondon Heathrow Airport 14:30
      • 11h 45m (1h 25m)
      • 1 Stop DUB · Dublin 1h 25m
      • Aer Lingus (EI 52)Airbus Industrie A330 200
        British Airways (BA 835)Airbus
      • Aer Lingus (EI 52)
        • -
        • T
        • -
        • -
        • -
        • -
        • -
      • 18:45 SEA
        14:30 LHR
        11Hrs, 45m 1 Stop (DUB)
      • SEASeattle/Tacoma International Airport 18:45 - LHR 14:30 11h 45m 1 Stop (DUB) Dublin
      • SEASeattle/Tacoma International Airport 18:45
        DUBDublin Airport 13:10
      • DUBDublin Airport 11:45
        LHRLondon Heathrow Airport 14:30
      • 11h 45m (1h 25m)
      • 1 Stop DUB · Dublin 1h 25m
      • Aer Lingus (EI 52)Airbus Industrie A330 200
        British Airways (BA 835)Airbus
      • Aer Lingus (EI 52)
        • -
        • -
        • W
        • -
        • -
        • -
        • -
      • 18:45 SEA
        14:35 LHR
        11Hrs, 50m 1 Stop (DUB)
      • SEASeattle/Tacoma International Airport 18:45 - LHR 14:35 11h 50m 1 Stop (DUB) Dublin
      • SEASeattle/Tacoma International Airport 18:45
        DUBDublin Airport 13:05
      • DUBDublin Airport 11:45
        LHRLondon Heathrow Airport 14:35
      • 11h 50m (1h 20m)
      • 1 Stop DUB · Dublin 1h 20m
      • Aer Lingus (EI 52)Airbus Industrie A330 200
        British Airways (BA 835)Airbus Industrie A320 Sharklets
      • Aer Lingus (EI 52)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 18:45 SEA
        14:40 LHR
        11Hrs, 55m 1 Stop (DUB)
      • SEASeattle/Tacoma International Airport 18:45 - LHR 14:40 11h 55m 1 Stop (DUB) Dublin
      • SEASeattle/Tacoma International Airport 18:45
        DUBDublin Airport 13:20
      • DUBDublin Airport 11:45
        LHRLondon Heathrow Airport 14:40
      • 11h 55m (1h 35m)
      • 1 Stop DUB · Dublin 1h 35m
      • Aer Lingus (EI 52)Airbus Industrie A330 200
        British Airways (BA 835)Airbus
      • Aer Lingus (EI 52)
        • -
        • -
        • -
        • -
        • -
        • -
        • S
      • 18:45 SEA
        14:55 LHR
        12Hrs, 10m 1 Stop (DUB)
      • SEASeattle/Tacoma International Airport 18:45 - LHR 14:55 12h 10m 1 Stop (DUB) Dublin
      • SEASeattle/Tacoma International Airport 18:45
        DUBDublin Airport 13:30
      • DUBDublin Airport 11:45
        LHRLondon Heathrow Airport 14:55
      • 12h 10m (1h 45m)
      • 1 Stop DUB · Dublin 1h 45m
      • Aer Lingus (EI 52)Airbus Industrie A330 200
        Aer Lingus (EI 166)Airbus A320 Neo
      • Aer Lingus (EI 52)
        • M
        • -
        • -
        • -
        • F
        • -
        • -
      • 18:45 SEA
        15:00 LHR
        12Hrs, 15m 1 Stop (DUB)
      • SEASeattle/Tacoma International Airport 18:45 - LHR 15:00 12h 15m 1 Stop (DUB) Dublin
      • SEASeattle/Tacoma International Airport 18:45
        DUBDublin Airport 13:40
      • DUBDublin Airport 11:45
        LHRLondon Heathrow Airport 15:00
      • 12h 15m (1h 55m)
      • 1 Stop DUB · Dublin 1h 55m
      • Aer Lingus (EI 52)Airbus Industrie A330 200
        British Airways (BA 835)Airbus
      • Aer Lingus (EI 52)
        • M
        • -
        • -
        • -
        • -
        • -
        • -
      • 18:45 SEA
        15:55 LHR
        13Hrs, 10m 1 Stop (DUB)
      • SEASeattle/Tacoma International Airport 18:45 - LHR 15:55 13h 10m 1 Stop (DUB) Dublin
      • SEASeattle/Tacoma International Airport 18:45
        DUBDublin Airport 14:30
      • DUBDublin Airport 11:45
        LHRLondon Heathrow Airport 15:55
      • 13h 10m (2h 45m)
      • 1 Stop DUB · Dublin 2h 45m
      • Aer Lingus (EI 52)Airbus Industrie A330 200
        Aer Lingus (EI 168)Airbus A320 Neo
      • Aer Lingus (EI 52)
        • -
        • -
        • -
        • -
        • F
        • -
        • -
      • 18:45 SEA
        16:35 LGW
        13Hrs, 50m 1 Stop (DUB)
      • SEASeattle/Tacoma International Airport 18:45 - LGW 16:35 13h 50m 1 Stop (DUB) Dublin
      • SEASeattle/Tacoma International Airport 18:45
        DUBDublin Airport 14:50
      • DUBDublin Airport 11:45
        LGWLondon Gatwick Airport 16:35
      • 13h 50m (3h 05m)
      • 1 Stop DUB · Dublin 3h 05m
      • Aer Lingus (EI 52)Airbus Industrie A330 200
        British Airways (BA 925)Atr Turboprop
      • Aer Lingus (EI 52)
        • M
        • T
        • W
        • -
        • -
        • -
        • S
      • 18:45 SEA
        16:40 LGW
        13Hrs, 55m 1 Stop (DUB)
      • SEASeattle/Tacoma International Airport 18:45 - LGW 16:40 13h 55m 1 Stop (DUB) Dublin
      • SEASeattle/Tacoma International Airport 18:45
        DUBDublin Airport 14:55
      • DUBDublin Airport 11:45
        LGWLondon Gatwick Airport 16:40
      • 13h 55m (3h 10m)
      • 1 Stop DUB · Dublin 3h 10m
      • Aer Lingus (EI 52)Airbus Industrie A330 200
        British Airways (BA 925)Atr Turboprop
      • Aer Lingus (EI 52)
        • -
        • -
        • -
        • T
        • -
        • S
        • -
      • 18:45 SEA
        17:10 LHR
        14Hrs, 25m 1 Stop (DUB)
      • SEASeattle/Tacoma International Airport 18:45 - LHR 17:10 14h 25m 1 Stop (DUB) Dublin
      • SEASeattle/Tacoma International Airport 18:45
        DUBDublin Airport 15:50
      • DUBDublin Airport 11:45
        LHRLondon Heathrow Airport 17:10
      • 14h 25m (4h 05m)
      • 1 Stop DUB · Dublin 4h 05m
      • Aer Lingus (EI 52)Airbus Industrie A330 200
        British Airways (BA 837)Airbus
      • Aer Lingus (EI 52)
        • -
        • -
        • -
        • -
        • F
        • -
        • -
      • 18:45 SEA
        17:30 LCY
        14Hrs, 45m 1 Stop (DUB)
      • SEASeattle/Tacoma International Airport 18:45 - LCY 17:30 14h 45m 1 Stop (DUB) Dublin
      • SEASeattle/Tacoma International Airport 18:45
        DUBDublin Airport 15:55
      • DUBDublin Airport 11:45
        LCYLondon City Airport 17:30
      • 14h 45m (4h 10m)
      • 1 Stop DUB · Dublin 4h 10m
      • Aer Lingus (EI 52)Airbus Industrie A330 200
        British Airways (BA 4467)Embraer Emb E90
      • Aer Lingus (EI 52)
        • M
        • T
        • W
        • T
        • -
        • -
        • S
      • 18:45 SEA
        18:25 LCY
        15Hrs, 40m 1 Stop (DUB)
      • SEASeattle/Tacoma International Airport 18:45 - LCY 18:25 15h 40m 1 Stop (DUB) Dublin
      • SEASeattle/Tacoma International Airport 18:45
        DUBDublin Airport 16:50
      • DUBDublin Airport 11:45
        LCYLondon City Airport 18:25
      • 15h 40m (5h 05m)
      • 1 Stop DUB · Dublin 5h 05m
      • Aer Lingus (EI 52)Airbus Industrie A330 200
        British Airways (BA 4469)Embraer Emb E90
      • Aer Lingus (EI 52)
        • M
        • T
        • W
        • -
        • -
        • -
        • S
      • 18:50 SEA
        17:05 LHR
        14Hrs, 15m 1 Stop (MUC)
      • SEASeattle/Tacoma International Airport 18:50 - LHR 17:05 14h 15m 1 Stop (MUC) Munich
      • SEASeattle/Tacoma International Airport 18:50
        MUCMunich International Airport 16:05
      • MUCMunich International Airport 13:45
        LHRLondon Heathrow Airport 17:05
      • 14h 15m (2h 20m)
      • 1 Stop MUC · Munich 2h 20m
      • Lufthansa (LH 489)Airbus A359
        Lufthansa (LH 2478)Airbus A320 Neo
      • Lufthansa (LH 489)
        • -
        • T
        • -
        • -
        • F
        • -
        • S
      • 18:50 SEA
        18:25 LHR
        15Hrs, 35m 1 Stop (MUC)
      • SEASeattle/Tacoma International Airport 18:50 - LHR 18:25 15h 35m 1 Stop (MUC) Munich
      • SEASeattle/Tacoma International Airport 18:50
        MUCMunich International Airport 17:25
      • MUCMunich International Airport 13:45
        LHRLondon Heathrow Airport 18:25
      • 15h 35m (3h 40m)
      • 1 Stop MUC · Munich 3h 40m
      • Lufthansa (LH 489)Airbus A359
        Lufthansa (LH 2486)Airbus A320 Neo
      • Lufthansa (LH 489)
        • -
        • T
        • -
        • -
        • F
        • -
        • S
      • 21:37 SEA
        19:45 LHR
        14Hrs, 08m 1 Stop (JFK)
      • SEASeattle/Tacoma International Airport 21:37 - LHR 19:45 14h 08m 1 Stop (JFK) New York City
      • SEASeattle/Tacoma International Airport 21:37
        JFKNew York John F. Kennedy International Airport 07:55
      • JFKNew York John F. Kennedy International Airport 06:01
        LHRLondon Heathrow Airport 19:45
      • 14h 08m (1h 54m)
      • 1 Stop JFK · New York City 1h 54m
      • Alaska Airlines (AS 22)Boeing 737 Max 9 Passenger
        British Airways (BA 178)Boeing 777
      • Alaska Airlines (AS 22)
        • M
        • T
        • W
        • T
        • F
        • S
        • S
      • 22:15 SEA
        20:40 LHR
        14Hrs, 25m 1 Stop (EWR)
      • SEASeattle/Tacoma International Airport 22:15 - LHR 20:40 14h 25m 1 Stop (EWR) New York City
      • SEASeattle/Tacoma International Airport 22:15
        EWRNewark Liberty International Airport 08:30
      • EWRNewark Liberty International Airport 06:32
        LHRLondon Heathrow Airport 20:40
      • 14h 25m (1h 58m)
      • 1 Stop EWR · New York City 1h 58m
      • United Airlines (UA 2197)Boeing 737 Max 9 Passenger
        United Airlines (UA 934)Boeing 767
      • United Airlines (UA 2197)
        • M
        • T
        • W
        • T
        • F
        • -
        • S
      • 22:44 SEA
        22:10 LHR
        15Hrs, 26m 1 Stop (ORD)
      • SEASeattle/Tacoma International Airport 22:44 - LHR 22:10 15h 26m 1 Stop (ORD) Chicago
      • SEASeattle/Tacoma International Airport 22:44
        ORDChicago O'Hare International Airport 08:25
      • ORDChicago O'Hare International Airport 04:40
        LHRLondon Heathrow Airport 22:10
      • 15h 26m (3h 45m)
      • 1 Stop ORD · Chicago 3h 45m
      • Alaska Airlines (AS 328)Boeing 737 Max 9 Passenger
        American Airlines (AA 90)Boeing 787 9
      • Alaska Airlines (AS 328)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 22:44 SEA
        22:10 LHR
        15Hrs, 26m 1 Stop (ORD)
      • SEASeattle/Tacoma International Airport 22:44 - LHR 22:10 15h 26m 1 Stop (ORD) Chicago
      • SEASeattle/Tacoma International Airport 22:44
        ORDChicago O'Hare International Airport 08:25
      • ORDChicago O'Hare International Airport 04:40
        LHRLondon Heathrow Airport 22:10
      • 15h 26m (3h 45m)
      • 1 Stop ORD · Chicago 3h 45m
      • Alaska Airlines (AS 328)Boeing 737
        American Airlines (AA 90)Boeing 787 9
      • Alaska Airlines (AS 328)
        • M
        • T
        • W
        • T
        • F
        • -
        • -
      • 22:44 SEA
        22:10 LHR
        15Hrs, 26m 1 Stop (ORD)
      • SEASeattle/Tacoma International Airport 22:44 - LHR 22:10 15h 26m 1 Stop (ORD) Chicago
      • SEASeattle/Tacoma International Airport 22:44
        ORDChicago O'Hare International Airport 08:25
      • ORDChicago O'Hare International Airport 04:40
        LHRLondon Heathrow Airport 22:10
      • 15h 26m (3h 45m)
      • 1 Stop ORD · Chicago 3h 45m
      • Alaska Airlines (AS 328)Boeing 737 900
        American Airlines (AA 90)Boeing 787 9
      • Alaska Airlines (AS 328)
        • -
        • -
        • -
        • -
        • -
        • -
        • S
      • 22:45 SEA
        20:40 LHR
        13Hrs, 55m 1 Stop (EWR)
      • SEASeattle/Tacoma International Airport 22:45 - LHR 20:40 13h 55m 1 Stop (EWR) New York City
      • SEASeattle/Tacoma International Airport 22:45
        EWRNewark Liberty International Airport 08:30
      • EWRNewark Liberty International Airport 07:02
        LHRLondon Heathrow Airport 20:40
      • 13h 55m (1h 28m)
      • 1 Stop EWR · New York City 1h 28m
      • United Airlines (UA 2197)Boeing 737 Max 9 Passenger
        United Airlines (UA 934)Boeing 767
      • United Airlines (UA 2197)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 00:22 SEA
        22:10 LHR
        13Hrs, 48m 1 Stop (ORD)
      • SEASeattle/Tacoma International Airport 00:22 - LHR 22:10 13h 48m 1 Stop (ORD) Chicago
      • SEASeattle/Tacoma International Airport 00:22
        ORDChicago O'Hare International Airport 08:25
      • ORDChicago O'Hare International Airport 06:26
        LHRLondon Heathrow Airport 22:10
      • 13h 48m (1h 59m)
      • 1 Stop ORD · Chicago 1h 59m
      • American Airlines (AA 2368)Boeing 737 800
        American Airlines (AA 90)Boeing 787 9
      • American Airlines (AA 2368)
        • M
        • T
        • W
        • T
        • F
        • S
        • S
      • 07:00 SEA
        05:55 LHR
        14Hrs, 55m 1 Stop (ORD)
      • SEASeattle/Tacoma International Airport 07:00 - LHR 05:55 14h 55m 1 Stop (ORD) Chicago
      • SEASeattle/Tacoma International Airport 07:00
        ORDChicago O'Hare International Airport 15:50
      • ORDChicago O'Hare International Airport 13:05
        LHRLondon Heathrow Airport 05:55
      • 14h 55m (2h 45m)
      • 1 Stop ORD · Chicago 2h 45m
      • United Airlines (UA 2138)Boeing 737 900
        United Airlines (UA 929)Boeing 767
      • United Airlines (UA 2138)
        • M
        • T
        • W
        • T
        • F
        • S
        • S
      • 07:15 SEA
        06:25 LHR
        15Hrs, 10m 1 Stop (ATL)
      • SEASeattle/Tacoma International Airport 07:15 - LHR 06:25 15h 10m 1 Stop (ATL) Atlanta
      • SEASeattle/Tacoma International Airport 07:15
        ATLAtlanta Hartsfield-Jackson Intl Airport 17:10
      • ATLAtlanta Hartsfield-Jackson Intl Airport 15:07
        LHRLondon Heathrow Airport 06:25
      • 15h 10m (2h 03m)
      • 1 Stop ATL · Atlanta 2h 03m
      • Delta Air Lines (DL 562)Boeing 737 900
        Delta Air Lines (DL 30)Boeing 767 400
      • Delta Air Lines (DL 562)
        • M
        • T
        • W
        • T
        • F
        • S
        • S
      • 07:20 SEA
        06:55 LHR
        15Hrs, 35m 1 Stop (SFO)
      • SEASeattle/Tacoma International Airport 07:20 - LHR 06:55 15h 35m 1 Stop (SFO) San Francisco
      • SEASeattle/Tacoma International Airport 07:20
        SFOSan Francisco International Airport 12:35
      • SFOSan Francisco International Airport 09:34
        LHRLondon Heathrow Airport 06:55
      • 15h 35m (3h 01m)
      • 1 Stop SFO · San Francisco 3h 01m
      • United Airlines (UA 246)Boeing 737 Max 8 Passenger
        United Airlines (UA 901)Boeing 777
      • United Airlines (UA 246)
        • -
        • -
        • -
        • -
        • -
        • -
        • S
      • 07:20 SEA
        06:55 LHR
        15Hrs, 35m 1 Stop (SFO)
      • SEASeattle/Tacoma International Airport 07:20 - LHR 06:55 15h 35m 1 Stop (SFO) San Francisco
      • SEASeattle/Tacoma International Airport 07:20
        SFOSan Francisco International Airport 12:35
      • SFOSan Francisco International Airport 09:34
        LHRLondon Heathrow Airport 06:55
      • 15h 35m (3h 01m)
      • 1 Stop SFO · San Francisco 3h 01m
      • United Airlines (UA 246)Boeing 737 800
        United Airlines (UA 901)Boeing 777
      • United Airlines (UA 246)
        • M
        • T
        • W
        • T
        • F
        • S
        • -
      • 07:26 SEA
        06:20 LHR
        14Hrs, 54m 1 Stop (JFK)
      • SEASeattle/Tacoma International Airport 07:26 - LHR 06:20 14h 54m 1 Stop (JFK) New York City
      • SEASeattle/Tacoma International Airport 07:26
        JFKNew York John F. Kennedy International Airport 17:59
      • JFKNew York John F. Kennedy International Airport 15:52
        LHRLondon Heathrow Airport 06:20
      • 14h 54m (2h 07m)
      • 1 Stop JFK · New York City 2h 07m
      • Alaska Airlines (AS 34)Boeing 737 Max 9 Passenger
        American Airlines (AA 100)Boeing 777 300 Er
      • Alaska Airlines (AS 34)
        • M
        • -
        • -
        • T
        • F
        • S
        • S
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      What’s the fastest flight time from Seattle to London?

      The fastest flight time for direct flights from Seattle to London is 9 hours 20 minutes. Check latest flight schedules & prices on Wego.

      What’s the most popular airline flying from Seattle to London?

      The most popular airline flying from Seattle to London is Icelandair. Find the latest flight deals on Wego.

      How far is London from Seattle?

      The flight distance between Seattle and London is 7700km. Check all available flights on Wego.

      When is the earliest and latest flight of the day?

      The earliest flight of the day departs at 00:22. The last flight of the day departs at 17:30. See the full list of flight times on Wego.

      How many airlines offer direct flights from Seattle to London?

      There are 3 airlines that offer direct flights from Seattle to London. Find out the list of airlines on Wego.

      Popular Airlines flying from Seattle to London

      Icelandair ‏()
      Virgin Atlantic Airways ‏()
      WestJet ‏()

      Popular Destinations from London

      Popular Destinations from Seattle

      Popular Hotels in London

      Hotels In Popular Destinations