SEA - BFS

$924 Find Cheap Flights from Seattle to Belfast - Compare and Save

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1 adult, Economy, 0 bags

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Flight Deals

Cheap Flights from Seattle to Belfast Intl (SEA-BFS)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Seattle to Belfast Intl

Fri, Oct 16 - Fri, Oct 23
Multiple Airlines Logo
3:40 pm - 9:00 pmSEA  Seattle/Tacoma Intl-BFS Belfast Intl
21h 20m2 stops Reykjavik Keflavik Intl Manchester
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9:05 pm - 6:45 pmBFS  Belfast Intl-SEA Seattle/Tacoma Intl
29h 40m3 stops Glasgow Intl Toronto Pearson Intl Calgary
$924Multiple Airlines
Fri, Oct 16 - Fri, Oct 23
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7:00 pm - 9:00 pmSEA  Seattle/Tacoma Intl-BFS Belfast Intl
18h 00m3 stops Reykjavik Keflavik Intl Kastrup Copenhagen Manchester
Multiple Airlines Logo
9:05 pm - 6:45 pmBFS  Belfast Intl-SEA Seattle/Tacoma Intl
29h 40m3 stops Glasgow Intl Toronto Pearson Intl Calgary
$951Multiple Airlines
Sun, Oct 18 - Sun, Oct 25
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3:40 pm - 10:30 pmSEA  Seattle/Tacoma Intl-BFS Belfast Intl
22h 50m3 stops Reykjavik Keflavik Intl Kastrup Copenhagen Bristol
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9:25 am - 8:40 pmBFS  Belfast Intl-SEA Seattle/Tacoma Intl
18h 15m2 stops London Gatwick Reykjavik Keflavik Intl
$954Multiple Airlines
Sun, Oct 18 - Sun, Oct 25
Multiple Airlines Logo
10:30 am - 6:25 pmSEA  Seattle/Tacoma Intl-BFS Belfast Intl
23h 55m2 stops Calgary Edinburgh Turnhouse
Multiple Airlines Logo
9:25 am - 8:40 pmBFS  Belfast Intl-SEA Seattle/Tacoma Intl
18h 15m2 stops London Gatwick Reykjavik Keflavik Intl
$973Multiple Airlines
Fri, Oct 16 - Fri, Oct 23
Multiple Airlines Logo
3:40 pm - 9:00 pmSEA  Seattle/Tacoma Intl-BFS Belfast Intl
21h 20m2 stops Reykjavik Keflavik Intl Manchester
Multiple Airlines Logo
6:05 am - 8:40 pmBFS  Belfast Intl-SEA Seattle/Tacoma Intl
22h 35m2 stops London Gatwick Reykjavik Keflavik Intl
$989Multiple Airlines
Sun, Oct 18 - Sun, Oct 25
Multiple Airlines Logo
3:40 pm - 10:30 pmSEA  Seattle/Tacoma Intl-BFS Belfast Intl
22h 50m3 stops Reykjavik Keflavik Intl Kastrup Copenhagen Bristol
Multiple Airlines Logo
8:40 pm - 6:00 pmBFS  Belfast Intl-SEA Seattle/Tacoma Intl
28h 20m3 stops London Stansted Stockholm Arlanda Reykjavik Keflavik Intl
$1,018Multiple Airlines
Thu, Oct 1 - Sun, Oct 11
Multiple Airlines Logo
7:00 pm - 9:45 pmSEA  Seattle/Tacoma Intl-BFS Belfast Intl
18h 45m2 stops Reykjavik Keflavik Intl Edinburgh Turnhouse
Multiple Airlines Logo
10:05 pm - 12:20 pmBFS  Belfast Intl-SEA Seattle/Tacoma Intl
22h 15m2 stops Edinburgh Turnhouse Frankfurt am Main
$1,273Multiple Airlines
Fri, Oct 16 - Fri, Oct 23
Multiple Airlines Logo
1:30 pm - 2:25 pmSEA  Seattle/Tacoma Intl-BFS Belfast Intl
16h 55m1 stop Paris Charles de Gaulle
Multiple Airlines Logo
7:00 am - 5:50 pmBFS  Belfast Intl-SEA Seattle/Tacoma Intl
18h 50m1 stop Rome Fiumicino
$2,936Multiple Airlines
Useful Info

Key details for Seattle to Belfast Intl Airport flights

Cheapest flight

$924
Flight from Seattle to Belfast Intl Airport

When to book flights from Seattle to Belfast Intl

Are your dates flexible? Find out the best times to travel from Seattle to Belfast Intl based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Seattle to Belfast Intl Airport flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from Seattle to Belfast Intl Airport?

    Flights from Seattle to Belfast Intl Airport usually depart from Seattle/Tacoma Intl (SEA) and arrive at Belfast Intl (BFS).

  • What popular places can I visit in Belfast Intl Airport?

    Some of the most popular sights in Belfast Intl Airport are Cathedral Quarter, Queen's Quarter and Queen's University of Belfast. These are among the most viewed places in Belfast Intl Airport on KAYAK.

  • Do I need a passport to fly from Seattle to Belfast Intl Airport?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • Have flight prices from Seattle to Belfast Intl Airport changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $924 to $2,936. That means the highest observed fare was about 3x higher than the lowest one.

  • What is the time difference between Seattle and Belfast Intl Airport?

    Belfast Intl Airport is 8 hours ahead of Seattle (British Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Belfast Intl Airport (BFS)?

    Belfast Intl Airport (BFS) hosts 5 major car rental companies, with daily rates starting from around $11 for economy cars. Top options include:
    · Budget
    · DRIVALIA
    · Sixt
    · Alamo
    · Hertz

More options for your flight from Seattle to Belfast Intl

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