Worldwide Coverage
Worldwide Coverage
Flights to over 5,000 cities
One-stop Service Guarantee
One-stop Service Guarantee
Price guaranteed upon confirmed payment, booking guaranteed once tickets issued
Secure Payment
Secure Payment
Convenient & reliable booking and payment system

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

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.

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. U2037

    06:00

    BFS

    1.3h

    07:20

    STN

    SMTW-F-
  2. FI455

    21:25

    LHR

    3.2h

    23:35

    KEF

    SMTWTFS
  3. FI681

    16:50

    KEF

    8.0h

    17:50

    SEA

    SMTWTFS
  4. U2035

    06:15

    BFS

    1.3h

    07:35

    STN

    SMTWTFS
  5. UA263

    14:50

    LHR

    9.8h

    17:35

    DEN

    SMT---S
  6. UA299

    19:00

    DEN

    3.0h

    21:01

    SEA

    SMTWTFS
  7. U2035

    06:15

    BFS

    1.3h

    07:35

    STN

    SMTWTFS
  8. UA8581

    14:10

    LHR

    9.8h

    15:55

    YVR

    SMTWTFS
  9. UA8249

    17:25

    YVR

    1.0h

    18:26

    SEA

    SMTWTFS
  10. U2089

    07:05

    BFS

    0.9h

    08:00

    MAN

    SMTWT--
  11. FI441

    13:05

    MAN

    2.8h

    14:50

    KEF

    SMTWTFS
  12. FI681

    16:50

    KEF

    8.0h

    17:50

    SEA

    SMTWTFS
  13. U2418

    08:30

    BFS

    0.8h

    09:15

    GLA

    -MTW-F-
  14. FI431

    14:20

    GLA

    2.4h

    15:45

    KEF

    SMT-TFS
  15. FI681

    16:50

    KEF

    8.0h

    17:50

    SEA

    SMTWTFS
  16. U2155

    14:05

    BFS

    1.5h

    15:35

    LGW

    S-----S
  17. WS019

    14:10

    LHR

    8.8h

    15:55

    YYC

    SMTWTFS
  18. WS1552

    13:20

    YYC

    2.0h

    14:21

    SEA

    SMTWT-S
  19. U2155

    14:05

    BFS

    1.5h

    15:35

    LGW

    S-----S
  20. FI471

    13:00

    LGW

    3.3h

    15:15

    KEF

    SMTWTFS
  21. FI681

    16:50

    KEF

    8.0h

    17:50

    SEA

    SMTWTFS
  22. FR9603

    17:25

    BFS

    2.5h

    20:55

    BGY

    ------S
  23. TK1878

    06:50

    MXP

    3.0h

    10:50

    IST

    SMTWTFS
  24. TK203

    14:55

    IST

    12.3h

    17:15

    SEA

    SMTWTFS
  25. U2043

    20:25

    BFS

    1.3h

    21:40

    STN

    SMTWT-S
  26. UA9546

    06:30

    LHR

    1.6h

    09:05

    FRA

    SMTWTFS
  27. UA8717

    10:45

    FRA

    10.2h

    11:55

    SEA

    SMTWTFS
  28. U2708

    22:10

    BFS

    0.9h

    23:05

    MAN

    SMTWTFS
  29. FI441

    13:05

    MAN

    2.8h

    14:50

    KEF

    SMTWTFS
  30. FI681

    16:50

    KEF

    8.0h

    17:50

    SEA

    SMTWTFS

Flight Info of Flights from Belfast International Airport to Seattle

Cheapest one-way flight priceS$ 2,121
Off-season for travelMarch
Peak season for travelJune

FAQs for Belfast International Airport to Seattle Flights