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Belfast International Airport to Seattle flight
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Cheap Flights from Belfast International Airport to Seattle

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

  • One way
  • Round-trip
      • BFS06:05
        17h 40m
        1 stop
        SEA15:45
        Belfast - Seattle|Fri, May 16|Ryanair UK
        £1,359£1,668
        19% OFF
        19% OFF
        £1,668£1,359

        Choose Ryanair UK flights from Belfast to Seattle. The one-way connecting flight with Ryanair UK departs from Belfast International Airport on Fri, May 16, arriving at Seattle-Tacoma International Airport. One-way Prices start from £1,359 including taxes and charges.

      • BFS06:45
        21h
        1 stop
        SEA19:45
        Belfast - Seattle|Mon, Apr 14|Ryanair UK
        £1,384£1,668
        17% OFF
        17% OFF
        £1,668£1,384

        Choose Ryanair UK flights from Belfast to Seattle. The one-way connecting flight with Ryanair UK departs from Belfast International Airport on Mon, Apr 14, arriving at Seattle-Tacoma International Airport. One-way Prices start from £1,384 including taxes and charges.

      • BFS1:00 PM
        3h 5m
        Nonstop
        SEA2:00 PM
        Belfast - Seattle|Wed, Apr 9|Ryanair UK
        Find More Flights
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Airports in Seattle

Learn about different airports in Seattle, find the best flight and transfer options, and plan your journey.

  • 0.7 km from central Seattle
    Seattle-Tacoma International Airport
    Tickets From
    £302

Flight Schedule from Belfast International Airport to Seattle

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

Flight info.
Departure
Arrival
Weekly Schedule

  1. U2155

    easyJet

    06:15

    BFS

    1.5h

    07:45

    LGW

    SMTWTFS
    Search

  2. WS019

    WestJet

    14:10

    LHR

    8.8h

    15:55

    YYC

    SMTWTFS

  3. WS1552

    WestJet

    17:45

    YYC

    1.9h

    18:38

    SEA

    SMTWT-S

  4. U2155

    easyJet

    06:15

    BFS

    1.5h

    07:45

    LGW

    SMTWTFS
    Search

  5. FI471

    Icelandair

    13:00

    LGW

    3.3h

    15:15

    KEF

    SMTWTFS

  6. FI681

    Icelandair

    16:50

    KEF

    8.0h

    17:50

    SEA

    SMTWTFS

  7. U2035

    easyJet

    06:45

    BFS

    1.3h

    08:05

    STN

    SMTWTFS
    Search

  8. WS019

    WestJet

    14:10

    LHR

    8.8h

    15:55

    YYC

    SMTWTFS

  9. WS1552

    WestJet

    17:45

    YYC

    1.9h

    18:38

    SEA

    SMTWT-S

  10. U2035

    easyJet

    06:45

    BFS

    1.3h

    08:05

    STN

    SMTWTFS
    Search

  11. UA263

    United Airlines

    14:50

    LHR

    9.8h

    17:35

    DEN

    SMTWTFS

  12. UA299

    United Airlines

    19:35

    DEN

    3.0h

    21:33

    SEA

    SMTWTFS

  13. U2035

    easyJet

    06:45

    BFS

    1.3h

    08:05

    STN

    SMTWTFS
    Search

  14. UA8581

    United Airlines

    14:10

    LHR

    9.8h

    15:55

    YVR

    SMTWTFS

  15. UA8249

    United Airlines

    17:25

    YVR

    1.0h

    18:25

    SEA

    SMTWTFS

  16. U2015

    easyJet

    07:00

    BFS

    1.2h

    08:10

    LTN

    SMT---S
    Search

  17. VS7054

    Virgin Atlantic

    20:55

    LHR

    1.3h

    23:10

    AMS

    SMTWT-S

  18. VS3962

    Virgin Atlantic

    14:40

    AMS

    10.2h

    15:50

    SEA

    SMTWTFS

  19. U2089

    easyJet

    07:10

    BFS

    0.9h

    08:05

    MAN

    SMTWT--
    Search

  20. FI441

    Icelandair

    13:05

    MAN

    2.8h

    14:50

    KEF

    SMTWTFS

  21. FI681

    Icelandair

    16:50

    KEF

    8.0h

    17:50

    SEA

    SMTWTFS

  22. U2418

    easyJet

    07:30

    BFS

    0.8h

    08:15

    GLA

    -MTW-F-
    Search

  23. FI431

    Icelandair

    14:20

    GLA

    2.4h

    15:45

    KEF

    SMT-TFS

  24. FI681

    Icelandair

    16:50

    KEF

    8.0h

    17:50

    SEA

    SMTWTFS

  25. U2037

    easyJet

    14:00

    BFS

    1.3h

    15:20

    STN

    SMTW-F-
    Search

  26. FI455

    Icelandair

    21:25

    LHR

    3.2h

    23:35

    KEF

    SMTWTFS

  27. FI681

    Icelandair

    16:50

    KEF

    8.0h

    17:50

    SEA

    SMTWTFS
Find more flights and airlines

Flight Info of Flights from Belfast International Airport to Seattle

Cheapest one-way flight price£1,196
Off-season travel monthMarch
Peak season for travelJune

FAQs for Belfast International Airport to Seattle Flights

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