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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
        LHR16:30
        9h 50m
        Direct
        SEA18:20
        London - Seattle|Wed, May 7|Iberia
        €1,361€1,537
        11% OFF
        11% OFF
        €1,537€1,361

        Choose Iberia flights from London to Seattle. The one-way direct flight with Iberia departs from Heathrow Airport on Wed, May 7, arriving at Seattle–Tacoma International Airport. One-way Prices start from €1,361 including taxes and charges.

      • LHR09:50
        9h 45m
        Direct
        SEA11:35
        London - Seattle|Mon, May 12|Iberia
        €1,368€1,537
        11% OFF
        11% OFF
        €1,537€1,368

        Choose Iberia flights from London to Seattle. The one-way direct flight with Iberia departs from Heathrow Airport on Mon, May 12, arriving at Seattle–Tacoma International Airport. One-way Prices start from €1,368 including taxes and charges.

      • LGW10:55
        30h 1m
        1 stop
        SEA08:56
        London - Seattle|Sun, May 18|Norse Atlantic Airways
        €306€1,537
        80% OFF
        80% OFF
        €1,537€306

        Choose Norse Atlantic Airways flights from London to Seattle. The one-way connecting flight with Norse Atlantic Airways departs from London Gatwick Airport on Sun, May 18, arriving at Seattle–Tacoma International Airport. One-way Prices start from €306 including taxes and charges.

      • LHR14:10
        14h 18m
        1 stop
        SEA20:28
        London - Seattle|Wed, May 7|WestJet
        €419
        €419

        Choose WestJet flights from London to Seattle. The one-way connecting flight with WestJet departs from Heathrow Airport on Wed, May 7, arriving at Seattle–Tacoma International Airport. One-way Prices start from €419 including taxes and charges.

      • LHR14:10
        14h 18m
        1 stop
        SEA20:28
        London - Seattle|Wed, May 28|WestJet
        €421
        €421

        Choose WestJet flights from London to Seattle. The one-way connecting flight with WestJet departs from Heathrow Airport on Wed, May 28, arriving at Seattle–Tacoma International Airport. One-way Prices start from €421 including taxes and charges.

      • LHR14:10
        14h 18m
        1 stop
        SEA20:28
        London - Seattle|Thu, May 8|WestJet
        €439
        €439

        Choose WestJet flights from London to Seattle. The one-way connecting flight with WestJet departs from Heathrow Airport on Thu, May 8, arriving at Seattle–Tacoma International Airport. One-way Prices start from €439 including taxes and charges.

      • LHR13:55
        14h 33m
        1 stop
        SEA20:28
        London - Seattle|Mon, Jun 9|WestJet
        €446
        €446

        Choose WestJet flights from London to Seattle. The one-way connecting flight with WestJet departs from Heathrow Airport on Mon, Jun 9, arriving at Seattle–Tacoma International Airport. One-way Prices start from €446 including taxes and charges.

      • LHR14:10
        12h 55m
        1 stop
        SEA19:05
        London - Seattle|Wed, May 14|WestJet
        €462
        €462

        Choose WestJet flights from London to Seattle. The one-way connecting flight with WestJet departs from Heathrow Airport on Wed, May 14, arriving at Seattle–Tacoma International Airport. One-way Prices start from €462 including taxes and charges.

      • LHR14:10
        12h 55m
        1 stop
        SEA19:05
        London - Seattle|Tue, May 13|WestJet
        €485
        €485

        Choose WestJet flights from London to Seattle. The one-way connecting flight with WestJet departs from Heathrow Airport on Tue, May 13, arriving at Seattle–Tacoma International Airport. One-way Prices start from €485 including taxes and charges.

      • LHR14:10
        14h 18m
        1 stop
        SEA20:28
        London - Seattle|Wed, Jun 4|WestJet
        €628
        €628

        Choose WestJet flights from London to Seattle. The one-way connecting flight with WestJet departs from Heathrow Airport on Wed, Jun 4, arriving at Seattle–Tacoma International Airport. One-way Prices start from €628 including taxes and charges.

      • LON1:00 PM
        3h 5m
        Direct
        SEA2:00 PM
        London - Seattle|Wed, May 14|Iberia
        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 logoIcelandairVirgin Atlantic logoVirgin AtlanticDelta Air Lines logoDelta Air LinesBritish Airways logoBritish AirwaysWestJet logoWestJetIberia logoIberiaAmerican Airlines logoAmerican AirlinesLufthansa logoLufthansa

Airports in London

  • 14.96 km from central LondonClosest
    London City Airport
    Tickets From
    €264
  • 44.63 km from central LondonCheapest
    London Luton Airport
    Tickets From
    €202
  • 20.15 km from central London
    Heathrow Airport
    Tickets From
    €244
  • 52.43 km from central London
    London Stansted Airport
    Tickets From
    €271
  • 38.83 km from central London
    London Gatwick Airport
    Tickets From
    €275
  • 60.36 km from central London
    London Southend Airport
    Tickets From
    €301

Flight Schedule from London to Seattle–Tacoma International Airport

Flight info.
Departure
Arrival
Weekly Schedule

  1. U22635

    easyJet

    06:50

    LTN

    3.1h

    08:55

    KEF

    --T-T-S
    Search

  2. FI681

    Icelandair

    16:50

    KEF

    8.0h

    17:50

    SEA

    SMTWTFS

  3. BA800

    British Airways

    07:05

    LHR

    3.1h

    09:10

    KEF

    SM-WTFS
    Search

  4. FI681

    Icelandair

    16:50

    KEF

    8.0h

    17:50

    SEA

    SMTWTFS

  5. BA1438

    British Airways

    09:05

    LHR

    1.4h

    10:30

    EDI

    SMTWTFS
    Search

  6. WS061

    WestJet

    12:05

    EDI

    8.1h

    13:10

    YYC

    S------

  7. WS1554

    WestJet

    19:35

    YYC

    1.9h

    20:28

    SEA

    SMTWTFS

  8. OG801

    PLAY Airline

    11:40

    STN

    3.1h

    13:45

    KEF

    SMTWTFS
    Search

  9. FI681

    Icelandair

    16:50

    KEF

    8.0h

    17:50

    SEA

    SMTWTFS

  10. FI471

    Icelandair

    13:00

    LGW

    3.3h

    15:15

    KEF

    -M-W-FS
    Search

  11. FI683

    Icelandair

    20:15

    KEF

    7.9h

    21:10

    SEA

    SMTWTFS

  12. WS019

    WestJet

    14:10

    LHR

    8.8h

    15:55

    YYC

    SMTWTFS
    Search

  13. WS1554

    WestJet

    19:35

    YYC

    1.9h

    20:28

    SEA

    SMTWTFS

  14. WS019

    WestJet

    14:10

    LHR

    8.8h

    15:55

    YYC

    SMTWTFS
    Search

  15. WS3616

    WestJet

    18:10

    YYC

    2.0h

    19:10

    SEA

    SMTWTFS

  16. WS019

    WestJet

    14:10

    LHR

    8.8h

    15:55

    YYC

    SMTWTFS
    Search

  17. AS2239

    Alaska Airlines

    18:19

    YYC

    1.8h

    19:05

    SEA

    SMTWTFS

  18. FI473

    Icelandair

    15:40

    LGW

    3.3h

    17:55

    KEF

    SMTWTFS
    Search

  19. FI683

    Icelandair

    20:15

    KEF

    7.9h

    21:10

    SEA

    SMTWTFS

  20. BA326

    British Airways

    20:35

    LHR

    1.3h

    22:50

    CDG

    SMTWTFS
    Search

  21. WS009

    WestJet

    12:55

    CDG

    9.2h

    14:04

    YYC

    SMTWTFS

  22. WS3616

    WestJet

    18:10

    YYC

    2.0h

    19:10

    SEA

    SMTWTFS
Find more flights and airlines

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

Cheapest return ticket price€527
Cheapest one-way flight price€305
Off-season travel monthMay
Peak season for travelJune

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 €1,127.

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

    It takes about 10 hours 4 minutes 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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