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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
        LHR13:15
        10h
        Nonstop
        SEA15:15
        London - Seattle|Wed, Jan 29|Virgin Atlantic
        £349£1,278
        73% OFF
        73% OFF
        £1,278£349

        Choose Virgin Atlantic flights from London to Seattle. The one-way direct flight with Virgin Atlantic departs from London Heathrow Airport on Wed, Jan 29, arriving at Seattle-Tacoma International Airport. One-way Prices start from £349 including taxes and charges.

      • LHR13:15
        10h
        Nonstop
        SEA15:15
        London - Seattle|Tue, Jan 7|Virgin Atlantic
        £1,163£1,278
        9% OFF
        9% OFF
        £1,278£1,163

        Choose Virgin Atlantic flights from London to Seattle. The one-way direct flight with Virgin Atlantic departs from London Heathrow Airport on Tue, Jan 7, arriving at Seattle-Tacoma International Airport. One-way Prices start from £1,163 including taxes and charges.

      • LGW12:00
        28h 50m
        1 stop
        SEA08:50
        London - Seattle|Thu, Jan 30|Norse Atlantic Airways
        £236£1,278
        82% OFF
        82% OFF
        £1,278£236

        Choose Norse Atlantic Airways flights from London to Seattle. The one-way connecting flight with Norse Atlantic Airways departs from Gatwick Airport on Thu, Jan 30, arriving at Seattle-Tacoma International Airport. One-way Prices start from £236 including taxes and charges.

      • LGW12:00
        28h 50m
        1 stop
        SEA08:50
        London - Seattle|Thu, Jan 16|Norse Atlantic Airways
        £268
        £268

        Choose Norse Atlantic Airways flights from London to Seattle. The one-way connecting flight with Norse Atlantic Airways departs from Gatwick Airport on Thu, Jan 16, arriving at Seattle-Tacoma International Airport. One-way Prices start from £268 including taxes and charges.

      • LHR14:50
        31h 31m
        1 stop
        SEA14:21
        London - Seattle|Wed, Feb 19|WestJet
        £289
        £289

        Choose WestJet flights from London to Seattle. The one-way connecting flight with WestJet departs from London Heathrow Airport on Wed, Feb 19, arriving at Seattle-Tacoma International Airport. One-way Prices start from £289 including taxes and charges.

      • LHR14:50
        31h 31m
        1 stop
        SEA14:21
        London - Seattle|Thu, Jan 23|WestJet
        £292
        £292

        Choose WestJet flights from London to Seattle. The one-way connecting flight with WestJet departs from London Heathrow Airport on Thu, Jan 23, arriving at Seattle-Tacoma International Airport. One-way Prices start from £292 including taxes and charges.

      • LHR14:50
        31h 31m
        1 stop
        SEA14:21
        London - Seattle|Sun, Feb 2|WestJet
        £292
        £292

        Choose WestJet flights from London to Seattle. The one-way connecting flight with WestJet departs from London Heathrow Airport on Sun, Feb 2, arriving at Seattle-Tacoma International Airport. One-way Prices start from £292 including taxes and charges.

      • LHR14:50
        31h 31m
        1 stop
        SEA14:21
        London - Seattle|Mon, Jan 20|WestJet
        £292
        £292

        Choose WestJet flights from London to Seattle. The one-way connecting flight with WestJet departs from London Heathrow Airport on Mon, Jan 20, arriving at Seattle-Tacoma International Airport. One-way Prices start from £292 including taxes and charges.

      • LHR14:50
        31h 31m
        1 stop
        SEA14:21
        London - Seattle|Mon, Feb 10|WestJet
        £295
        £295

        Choose WestJet flights from London to Seattle. The one-way connecting flight with WestJet departs from London Heathrow Airport on Mon, Feb 10, arriving at Seattle-Tacoma International Airport. One-way Prices start from £295 including taxes and charges.

      • LHR14:50
        31h 31m
        1 stop
        SEA14:21
        London - Seattle|Mon, Jan 13|WestJet
        £295
        £295

        Choose WestJet flights from London to Seattle. The one-way connecting flight with WestJet departs from London Heathrow Airport on Mon, Jan 13, arriving at Seattle-Tacoma International Airport. One-way Prices start from £295 including taxes and charges.

      • LON01:00 pm
        3h 5m
        Nonstop
        SEA02:00 pm
        London - Seattle|Mon, Jan 13|Virgin Atlantic
        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

easyJet
From £212
Vueling Airlines
From £227
Norse Atlantic Airways
From £230
British Airways
From £262
Air France
From £264
WestJet
From £287
PLAY Airline
From £338
Icelandair
From £346
Scandinavian Airlines
From £397
Ryanair UK
From £402

Find more flights and airlines

Airports in London

  • 14.96 km from central LondonClosest
    London City Airport
    Tickets From
    £427
  • 44.63 km from central LondonCheapest
    London Luton Airport
    Tickets From
    £212
  • 20.15 km from central London
    London Heathrow Airport
    Tickets From
    £262
  • 52.43 km from central London
    London Stansted Airport
    Tickets From
    £338
  • 38.83 km from central London
    Gatwick Airport
    Tickets From
    £227
  • 60.36 km from central London
    London Southend Airport
    Tickets From
    £520
Flight Schedule from London to Seattle-Tacoma International Airport
Flight info.
Departure
Arrival
Weekly Schedule

  1. U22643

    easyJet

    06:25

    LTN

    4.2h

    09:35

    KEF

    -MTWTFS
    Search

  2. FI681

    Icelandair

    16:50

    KEF

    8.0h

    17:50

    SEA

    SMTWTFS

  3. OG801

    PLAY Airline

    11:40

    STN

    3.1h

    13:45

    KEF

    SMTWTFS
    Search

  4. OG111

    PLAY Airline

    16:00

    KEF

    6.0h

    17:00

    BOS

    SMTWTFS

  5. AS459

    Alaska Airlines

    07:00

    BOS

    6.5h

    10:28

    SEA

    SMTWTFS

  6. OG801

    PLAY Airline

    11:40

    STN

    3.1h

    13:45

    KEF

    SMTWTFS
    Search

  7. OG101

    PLAY Airline

    15:05

    KEF

    6.6h

    17:40

    BWI

    SMTWTFS

  8. AS379

    Alaska Airlines

    19:03

    BWI

    6.0h

    22:00

    SEA

    SMTWTFS

  9. OG801

    PLAY Airline

    11:40

    STN

    3.1h

    13:45

    KEF

    SMTWTFS
    Search

  10. FI681

    Icelandair

    16:50

    KEF

    8.0h

    17:50

    SEA

    SMTWTFS

  11. Z0777

    Norse Atlantic Airways

    11:59

    LGW

    10.7h

    14:40

    LAS

    -M-W--S
    Search

  12. F92407

    Frontier Airlines

    16:13

    LAS

    2.8h

    19:01

    SEA

    SMTWTFS

  13. FI471

    Icelandair

    13:00

    LGW

    3.3h

    15:15

    KEF

    SMTWTFS
    Search

  14. FI681

    Icelandair

    16:50

    KEF

    8.0h

    17:50

    SEA

    SMTWTFS

  15. WS019

    WestJet

    14:50

    LHR

    9.0h

    16:50

    YYC

    SMTWTFS
    Search

  16. WS1552

    WestJet

    17:45

    YYC

    1.9h

    18:38

    SEA

    SM-WT--

  17. WS019

    WestJet

    14:50

    LHR

    9.0h

    16:50

    YYC

    SMTWTFS
    Search

  18. WS485

    WestJet

    21:40

    YYC

    1.1h

    21:49

    YLW

    SMTWT-S

  19. AS3416

    Alaska Airlines

    08:52

    YLW

    1.3h

    10:08

    SEA

    SMTWTFS

  20. WS019

    WestJet

    14:50

    LHR

    9.0h

    16:50

    YYC

    SMTWTFS
    Search

  21. AC201

    Air Canada

    06:00

    YYC

    1.7h

    06:40

    YVR

    SMTWTFS

  22. AC8798

    Air Canada

    08:50

    YVR

    1.0h

    09:50

    SEA

    SMTWTFS

  23. WS019

    WestJet

    14:50

    LHR

    9.0h

    16:50

    YYC

    SMTWTFS
    Search

  24. AS2226

    Alaska Airlines

    19:00

    YYC

    1.9h

    19:56

    SEA

    SMTWTFS
Find more flights and airlines

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

Cheapest return ticket price£419
Cheapest direct flight price£236
Off-season travel monthNovember
Peak season for travelApril

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 £1,151.

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

    It takes about 10 hours 3 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.
    • The distance from Lake Union Sea Plane Base to downtown is about 2km, by taxi about 20 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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