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Seattle-Tacoma International Airport to London International Airport flight
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Cheap Flight Deals from Seattle-Tacoma International Airport to London International Airport

Search for flights from Seattle to London and check out affordable one-way and round-trip options.

  • One way
  • Return
sortSort: Price (Lowest)
  • Sort: Price (Lowest)
  • Sort: Departure (Earliest)
      • SEA18:15
        8h 15m
        1 stop
        YXU05:30
        Seattle - London|Fri, Aug 2|WestJet
        AU$ 207AU$ 445
        54% OFF
        54% OFF
        AU$ 445AU$ 207
      • SEA23:10
        7h 5m
        1 stop
        YXU09:15
        Seattle - London|Mon, Aug 5|Air Canada
        AU$ 283AU$ 445
        36% OFF
        36% OFF
        AU$ 445AU$ 283
      • SEA18:15
        8h 3m
        1 stop
        YXU05:18
        Seattle - London|Fri, Jun 28|WestJet
        AU$ 283AU$ 445
        36% OFF
        36% OFF
        AU$ 445AU$ 283
      • SEA18:15
        8h 3m
        1 stop
        YXU05:18
        Seattle - London|Mon, Aug 5|WestJet
        AU$ 299
        AU$ 299
      • SEA18:15
        8h 3m
        1 stop
        YXU05:18
        Seattle - London|Sat, Jul 20|WestJet
        AU$ 307
        AU$ 307
      • SEA18:15
        8h 3m
        1 stop
        YXU05:18
        Seattle - London|Wed, Aug 28|WestJet
        AU$ 331
        AU$ 331
      • SEA18:15
        8h 3m
        1 stop
        YXU05:18
        Seattle - London|Fri, Aug 23|WestJet
        AU$ 332
        AU$ 332
      • SEA18:15
        8h 3m
        1 stop
        YXU05:18
        Seattle - London|Fri, Jun 28|Delta Air Lines
        AU$ 336
        AU$ 336
      • SEA07:00
        19h 18m
        1 stop
        YXU05:18
        Seattle - London|Mon, Jun 17|WestJet
        AU$ 353
        AU$ 353
      • SEA07:00
        8h 59m
        1 stop
        YXU18:59
        Seattle - London|Mon, Aug 5|Delta Air Lines
        AU$ 363
        AU$ 363
      • SEA13:00
        3h 5m
        Direct
        YXU14:00
        Seattle - London|Sat, Jun 22|WestJet
        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 Seattle-Tacoma International Airport to London International Airport

See which airlines fly from Seattle to London. Find the airline that best meets your travel needs by comparing prices and treat yourself to an enjoyable journey.

WestJet
From AU$ 207
Air Canada
From AU$ 283
Frontier Airlines
From AU$ 319
Delta Air Lines
From AU$ 336
Alaska Airlines
From AU$ 365
United Airlines
From AU$ 627
ANA airlines

Find more flights and airlines

Flight Schedule from Seattle-Tacoma International Airport to London International Airport

Check the schedule for flights from Seattle to London and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. WS1551

    WestJet

    07:00

    SEA

    1.7h

    09:43

    YYC

    SMTWTFS
    Search

  2. WS736

    WestJet

    23:45

    YYC

    3.5h

    05:18

    YXU

    S--WT-S

  3. WS1551

    WestJet

    07:00

    SEA

    1.7h

    09:43

    YYC

    SMTWTFS
    Search

  4. WS734

    WestJet

    13:30

    YYC

    3.5h

    18:59

    YXU

    SMTWTFS

  5. AS2036

    Alaska Airlines

    08:00

    SEA

    1.6h

    10:35

    YYC

    SMTWTFS
    Search

  6. WS736

    WestJet

    23:45

    YYC

    3.5h

    05:18

    YXU

    S--WT-S

  7. AS699

    Alaska Airlines

    11:26

    SEA

    1.1h

    12:34

    YVR

    SMTWTFS
    Search

  8. WS122

    WestJet

    17:25

    YVR

    1.4h

    19:50

    YYC

    SMTWTFS

  9. WS736

    WestJet

    23:45

    YYC

    3.5h

    05:18

    YXU

    S--WT-S

  10. AS2096

    Alaska Airlines

    14:20

    SEA

    1.6h

    16:53

    YYC

    SMTWTFS
    Search

  11. WS736

    WestJet

    23:45

    YYC

    3.5h

    05:18

    YXU

    S--WT-S

  12. WS3711

    WestJet

    15:30

    SEA

    2.0h

    18:31

    YEG

    S---T-S
    Search

  13. WS240

    WestJet

    20:45

    YEG

    0.9h

    21:40

    YYC

    SMTWTFS

  14. WS736

    WestJet

    23:45

    YYC

    3.5h

    05:18

    YXU

    S--WT-S

  15. AS2148

    Alaska Airlines

    16:12

    SEA

    1.0h

    17:10

    YVR

    S-TWTFS
    Search

  16. WS126

    WestJet

    19:00

    YVR

    1.4h

    21:25

    YYC

    SMTWTFS

  17. WS736

    WestJet

    23:45

    YYC

    3.5h

    05:18

    YXU

    S--WT-S

  18. AS2097

    Alaska Airlines

    21:15

    SEA

    1.6h

    23:48

    YYC

    SMTWTFS
    Search

  19. WS736

    WestJet

    23:45

    YYC

    3.5h

    05:18

    YXU

    S--WT-S

  20. AC542

    Air Canada

    23:10

    SEA

    4.5h

    06:43

    YYZ

    SMT-TFS
    Search

  21. AC8251

    Air Canada

    08:30

    YYZ

    0.8h

    09:17

    YXU

    SMTWTF-
Find more flights and airlines

Seattle-Tacoma International Airport to London International Airport Flights Info

Flight distance3,224.6km
Cheapest one-way ticket priceAU$ 206

FAQs for Seattle-Tacoma International Airport to London International Airport Flights

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

    • The distance from London International Airport to downtown is about 8km, by taxi about 20 minutes.

  • What's the closest airport to London International Airport (YXU)?

    The closest airport to London International Airport (YXU) is Sarnia Chris Hadfield Airport. The distance is around 94km.

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