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London to Seattle-Tacoma International Airport flight
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Cheap Flights from London to Seattle-Tacoma International Airport

  • One way
  • Round-trip
      • Cheapest nonstop
        LHR15:00
        9h 55m
        Nonstop
        SEA17:55
        London - Seattle|Thu, Mar 27|British Airways
        S$ 900S$ 1,076
        16% OFF
        16% OFF
        S$ 1,076S$ 900

        Fly from London to Seattle on Thu, Mar 27 with British Airways. One-way direct flights with British Airways depart Heathrow Airport and arrive Seattle-Tacoma International Airport starting at S$ 900 including taxes and charges.

      • LHR15:00
        9h 55m
        Nonstop
        SEA17:55
        London - Seattle|Wed, Mar 19|British Airways
        S$ 1,011S$ 1,076
        6% OFF
        6% OFF
        S$ 1,076S$ 1,011

        Fly from London to Seattle on Wed, Mar 19 with British Airways. One-way direct flights with British Airways depart Heathrow Airport and arrive Seattle-Tacoma International Airport starting at S$ 1,011 including taxes and charges.

      • LHR14:50
        30h 31m
        1 stop
        SEA14:21
        London - Seattle|Thu, Mar 20|Westjet
        S$ 491S$ 1,076
        54% OFF
        54% OFF
        S$ 1,076S$ 491

        Fly from London to Seattle on Thu, Mar 20 with Westjet. One-way connecting flights with Westjet depart Heathrow Airport and arrive Seattle-Tacoma International Airport starting at S$ 491 including taxes and charges.

      • LHR14:10
        32h 11m
        1 stop
        SEA14:21
        London - Seattle|Tue, Apr 22|Westjet
        S$ 495
        S$ 495

        Fly from London to Seattle on Tue, Apr 22 with Westjet. One-way connecting flights with Westjet depart Heathrow Airport and arrive Seattle-Tacoma International Airport starting at S$ 495 including taxes and charges.

      • LHR14:50
        30h 31m
        1 stop
        SEA14:21
        London - Seattle|Mon, Mar 17|Westjet
        S$ 499
        S$ 499

        Fly from London to Seattle on Mon, Mar 17 with Westjet. One-way connecting flights with Westjet depart Heathrow Airport and arrive Seattle-Tacoma International Airport starting at S$ 499 including taxes and charges.

      • LHR14:50
        30h 31m
        1 stop
        SEA14:21
        London - Seattle|Tue, Mar 25|Westjet
        S$ 552
        S$ 552

        Fly from London to Seattle on Tue, Mar 25 with Westjet. One-way connecting flights with Westjet depart Heathrow Airport and arrive Seattle-Tacoma International Airport starting at S$ 552 including taxes and charges.

      • LHR14:50
        30h 31m
        1 stop
        SEA14:21
        London - Seattle|Mon, Mar 24|Westjet
        S$ 554
        S$ 554

        Fly from London to Seattle on Mon, Mar 24 with Westjet. One-way connecting flights with Westjet depart Heathrow Airport and arrive Seattle-Tacoma International Airport starting at S$ 554 including taxes and charges.

      • LHR14:10
        32h 11m
        1 stop
        SEA14:21
        London - Seattle|Tue, Apr 1|Westjet
        S$ 638
        S$ 638

        Fly from London to Seattle on Tue, Apr 1 with Westjet. One-way connecting flights with Westjet depart Heathrow Airport and arrive Seattle-Tacoma International Airport starting at S$ 638 including taxes and charges.

      • LTN07:00
        18h
        1 stop
        SEA18:00
        London - Seattle|Tue, Mar 18|easyJet
        S$ 659
        S$ 659

        Fly from London to Seattle on Tue, Mar 18 with easyJet. One-way connecting flights with easyJet depart London Luton Airport and arrive Seattle-Tacoma International Airport starting at S$ 659 including taxes and charges.

      • LHR14:10
        32h 11m
        1 stop
        SEA14:21
        London - Seattle|Tue, Apr 8|Westjet
        S$ 666
        S$ 666

        Fly from London to Seattle on Tue, Apr 8 with Westjet. One-way connecting flights with Westjet depart Heathrow Airport and arrive Seattle-Tacoma International Airport starting at S$ 666 including taxes and charges.

      • LON1:00 PM
        3h 5m
        Nonstop
        SEA2:00 PM
        London - Seattle|Fri, Mar 21|British Airways
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Selected Airlines from London to Seattle-Tacoma International Airport

Icelandair logoIcelandairDelta Air Lines logoDelta Air Lines

Airports in London

  • 14.96 km from central LondonClosest
    London City Airport
    Tickets From
    S$ 391
  • 44.63 km from central LondonCheapest
    London Luton Airport
    Tickets From
    S$ 310
  • 20.15 km from central London
    Heathrow Airport
    Tickets From
    S$ 370
  • 52.43 km from central London
    London Stansted Airport
    Tickets From
    S$ 320
  • 38.83 km from central London
    London Gatwick Airport
    Tickets From
    S$ 319
  • 60.36 km from central London
    London Southend Airport
    Tickets From
    S$ 984

Flight Schedule from London to Seattle-Tacoma International Airport

Flight info.
Departure
Arrival
Weekly Schedule

  1. SK1530

    Scandinavian Airlines

    06:40

    LHR

    2.4h

    10:05

    ARN

    SMTWT--
    Search

  2. FI307

    Icelandair

    13:50

    ARN

    3.3h

    15:10

    KEF

    SMTWTFS

  3. FI681

    Icelandair

    16:50

    KEF

    8.0h

    17:50

    SEA

    SMTWTFS

  4. BA776

    British Airways

    07:10

    LHR

    2.4h

    10:35

    ARN

    S-TWTF-
    Search

  5. FI307

    Icelandair

    13:50

    ARN

    3.3h

    15:10

    KEF

    SMTWTFS

  6. FI681

    Icelandair

    16:50

    KEF

    8.0h

    17:50

    SEA

    SMTWTFS

  7. BA902

    British Airways

    07:10

    LHR

    1.6h

    09:45

    FRA

    SMTWT-S
    Search

  8. DE2032

    Condor Airlines

    13:45

    FRA

    10.3h

    15:05

    SEA

    -M-W-F-

  9. U22643

    easyJet

    07:15

    LTN

    3.2h

    10:25

    KEF

    SMTWTFS
    Search

  10. FI681

    Icelandair

    16:50

    KEF

    8.0h

    17:50

    SEA

    SMTWTFS

  11. B62220

    Jetblue Airways

    07:25

    LHR

    8.5h

    10:55

    JFK

    SMTWTFS
    Search

  12. B6118

    Jetblue Airways

    06:15

    JFK

    1.3h

    07:30

    BOS

    SMTWTFS

  13. B6497

    Jetblue Airways

    17:55

    BOS

    6.5h

    21:25

    SEA

    SMTWTFS

  14. BA894

    British Airways

    07:35

    LHR

    3.3h

    10:55

    KEF

    SMTWTFS
    Search

  15. FI681

    Icelandair

    16:50

    KEF

    8.0h

    17:50

    SEA

    SMTWTFS

  16. OG801

    PLAY Airline

    11:40

    STN

    3.1h

    13:45

    KEF

    SMTWTFS
    Search

  17. FI681

    Icelandair

    16:50

    KEF

    8.0h

    17:50

    SEA

    SMTWTFS

  18. BA778

    British Airways

    11:50

    LHR

    2.6h

    15:25

    ARN

    SMTWT-S
    Search

  19. FI307

    Icelandair

    13:50

    ARN

    3.3h

    15:10

    KEF

    SMTWTFS

  20. FI681

    Icelandair

    16:50

    KEF

    8.0h

    17:50

    SEA

    SMTWTFS

  21. FI471

    Icelandair

    13:00

    LGW

    3.3h

    15:15

    KEF

    SMTWTFS
    Search

  22. FI681

    Icelandair

    16:50

    KEF

    8.0h

    17:50

    SEA

    SMTWTFS

  23. WS019

    Westjet

    14:10

    LHR

    8.8h

    15:55

    YYC

    SMTWTFS
    Search

  24. AS2226

    Alaska Airlines

    19:00

    YYC

    1.8h

    19:50

    SEA

    SMTWTFS
Find more flights and airlines

Flight Info of Flights from London to Seattle-Tacoma International Airport

Cheapest return ticket priceS$ 722
Cheapest direct flight priceS$ 491
Off-season for travelMay
Peak season for travelDecember

FAQs for London to Seattle-Tacoma International Airport Flights

  • When to buy flight tickets from London (LON) to Seattle (SEA) the cheapest?

    Airlines adjust prices for flights from London to Seattle based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much is a flight from London (LON) to Seattle (SEA) cost?

    According to Trip.com's data, the lowest price is around S$ 1,706.

  • How long is a flight from London (LON) to Seattle (SEA)?

    It takes about 10 hours 1 minute to fly from London (LON) to Seattle (SEA).

  • What is the transportation method from the main airport to downtown in Seattle?

    • The distance from Seattle-Tacoma International Airport to downtown is about 17km, by taxi about 30 minutes.

  • What time does the earliest flight from London to Seattle depart?

    The earliest flight departs from London (LHR) at 09:45 and arrives in Seattle (SEA) at 11:30.

  • What are the most popular airlines that fly from London (LON) to Seattle (SEA)?

  • What's the most popular airline for direct flights from London (LON) to Seattle (SEA)?

    American Airlines operates 13 direct flights from London (LON) to Seattle (SEA).

  • How many airports in Seattle?

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