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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
        £520£1,136
        54% OFF
        54% OFF
        £1,136£520

        Choose British Airways flights from London to Seattle. The one-way direct flight with British Airways departs from Heathrow Airport on Thu, Mar 27, arriving at Seattle-Tacoma International Airport. One-way Prices start from £520 including taxes and charges.

      • LHR15:00
        9h 55m
        Nonstop
        SEA17:55
        London - Seattle|Thu, Mar 20|British Airways
        £534£1,136
        53% OFF
        53% OFF
        £1,136£534

        Choose British Airways flights from London to Seattle. The one-way direct flight with British Airways departs from Heathrow Airport on Thu, Mar 20, arriving at Seattle-Tacoma International Airport. One-way Prices start from £534 including taxes and charges.

      • LHR14:10
        32h 11m
        1 stop
        SEA14:21
        London - Seattle|Tue, Apr 22|WestJet
        £286£1,136
        75% OFF
        75% OFF
        £1,136£286

        Choose WestJet flights from London to Seattle. The one-way connecting flight with WestJet departs from Heathrow Airport on Tue, Apr 22, arriving at Seattle-Tacoma International Airport. One-way Prices start from £286 including taxes and charges.

      • LHR14:50
        30h 31m
        1 stop
        SEA14:21
        London - Seattle|Mon, Mar 17|WestJet
        £289
        £289

        Choose WestJet flights from London to Seattle. The one-way connecting flight with WestJet departs from Heathrow Airport on Mon, Mar 17, arriving at Seattle-Tacoma International Airport. One-way Prices start from £289 including taxes and charges.

      • LHR14:50
        30h 31m
        1 stop
        SEA14:21
        London - Seattle|Tue, Mar 25|WestJet
        £319
        £319

        Choose WestJet flights from London to Seattle. The one-way connecting flight with WestJet departs from Heathrow Airport on Tue, Mar 25, arriving at Seattle-Tacoma International Airport. One-way Prices start from £319 including taxes and charges.

      • LHR14:50
        30h 31m
        1 stop
        SEA14:21
        London - Seattle|Mon, Mar 24|WestJet
        £320
        £320

        Choose WestJet flights from London to Seattle. The one-way connecting flight with WestJet departs from Heathrow Airport on Mon, Mar 24, arriving at Seattle-Tacoma International Airport. One-way Prices start from £320 including taxes and charges.

      • LHR14:10
        32h 11m
        1 stop
        SEA14:21
        London - Seattle|Tue, Apr 1|WestJet
        £369
        £369

        Choose WestJet flights from London to Seattle. The one-way connecting flight with WestJet departs from Heathrow Airport on Tue, Apr 1, arriving at Seattle-Tacoma International Airport. One-way Prices start from £369 including taxes and charges.

      • LTN07:00
        18h
        1 stop
        SEA18:00
        London - Seattle|Tue, Mar 18|easyJet
        £381
        £381

        Choose easyJet flights from London to Seattle. The one-way connecting flight with easyJet departs from London Luton Airport on Tue, Mar 18, arriving at Seattle-Tacoma International Airport. One-way Prices start from £381 including taxes and charges.

      • LHR14:10
        32h 11m
        1 stop
        SEA14:21
        London - Seattle|Tue, Apr 8|WestJet
        £385
        £385

        Choose WestJet flights from London to Seattle. The one-way connecting flight with WestJet departs from Heathrow Airport on Tue, Apr 8, arriving at Seattle-Tacoma International Airport. One-way Prices start from £385 including taxes and charges.

      • LTN07:35
        17h 25m
        1 stop
        SEA18:00
        London - Seattle|Mon, Mar 17|easyJet
        £388
        £388

        Choose easyJet flights from London to Seattle. The one-way connecting flight with easyJet departs from London Luton Airport on Mon, Mar 17, arriving at Seattle-Tacoma International Airport. One-way Prices start from £388 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

Virgin Atlantic logoVirgin AtlanticIcelandair logoIcelandairBritish Airways logoBritish AirwaysDelta Air Lines logoDelta Air LinesWestJet logoWestJetUnited Airlines logoUnited AirlinesLufthansa logoLufthansaNorse Atlantic Airways logoNorse Atlantic AirwaysIberia logoIberia

Airports in London

  • 14.96 km from central LondonClosest
    London City Airport
    Tickets From
    £226
  • 44.63 km from central LondonCheapest
    London Luton Airport
    Tickets From
    £179
  • 20.15 km from central London
    Heathrow Airport
    Tickets From
    £214
  • 52.43 km from central London
    London Stansted Airport
    Tickets From
    £185
  • 38.83 km from central London
    London Gatwick Airport
    Tickets From
    £184
  • 60.36 km from central London
    London Southend Airport
    Tickets From
    £569

Flight Schedule from London to Seattle-Tacoma International Airport

Flight info.
Departure
Arrival
Weekly Schedule

  1. U22643

    easyJet

    06:30

    LTN

    3.2h

    09:40

    KEF

    SMTWTFS
    Search

  2. FI681

    Icelandair

    16:50

    KEF

    8.0h

    17:50

    SEA

    SMTWTFS

  3. SK1530

    Scandinavian Airlines

    06:40

    LHR

    2.4h

    10:05

    ARN

    SMTWT--
    Search

  4. FI307

    Icelandair

    13:45

    ARN

    3.3h

    15:05

    KEF

    SMTWTFS

  5. FI681

    Icelandair

    16:50

    KEF

    8.0h

    17:50

    SEA

    SMTWTFS

  6. BA902

    British Airways

    07:10

    LHR

    1.6h

    09:45

    FRA

    SMTWT-S
    Search

  7. DE2032

    Condor Airlines

    13:45

    FRA

    10.3h

    15:05

    SEA

    -M-W-F-

  8. BA776

    British Airways

    07:15

    LHR

    2.4h

    10:40

    ARN

    S-TWTF-
    Search

  9. FI307

    Icelandair

    13:45

    ARN

    3.3h

    15:05

    KEF

    SMTWTFS

  10. FI681

    Icelandair

    16:50

    KEF

    8.0h

    17:50

    SEA

    SMTWTFS

  11. BA894

    British Airways

    07:35

    LHR

    3.3h

    10:55

    KEF

    SMTWTFS
    Search

  12. FI681

    Icelandair

    16:50

    KEF

    8.0h

    17:50

    SEA

    SMTWTFS

  13. B62220

    Jetblue Airways

    08:15

    LHR

    7.9h

    11:08

    JFK

    SMTWTFS
    Search

  14. B6118

    Jetblue Airways

    09:29

    JFK

    1.3h

    10:45

    BOS

    SMTWTFS

  15. B6497

    Jetblue Airways

    17:55

    BOS

    6.5h

    21:25

    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

    13:45

    ARN

    3.3h

    15:05

    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

    14:50

    LHR

    8.8h

    17:40

    YYC

    SMTWTFS
    Search

  24. AS2226

    Alaska Airlines

    18:59

    YYC

    1.8h

    19:48

    SEA

    SMTWTFS
Find more flights and airlines

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

Cheapest return ticket price£417
Cheapest direct flight price£286
Off-season travel monthMay
Peak season for travelDecember

FAQs for London to Seattle-Tacoma International Airport Flights

  • When are 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 are flights from London (LON) to Seattle (SEA) cost?

    According to Trip.com's data, the lowest price is around £987.

  • How long is the 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 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 (SEA)?

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