SEA - BFS

$932 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

Thu, Nov 5 - Thu, Nov 12
Multiple Airlines Logo
5:50 pm - 9:55 pmSEA  Seattle/Tacoma Intl-BFS Belfast Intl
20h 05m2 stops Frankfurt am Main London Gatwick
Multiple Airlines Logo
6:30 am - 3:55 pmBFS  Belfast Intl-SEA Seattle/Tacoma Intl
17h 25m2 stops London Gatwick Frankfurt am Main
$932Multiple Airlines
Thu, Oct 15 - Wed, Oct 28
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7:00 pm - 8:35 pmSEA  Seattle/Tacoma Intl-BFS Belfast Intl
17h 35m2 stops Reykjavik Keflavik Intl London Gatwick
Multiple Airlines Logo
9:10 pm - 4:55 pmBFS  Belfast Intl-SEA Seattle/Tacoma Intl
26h 45m3 stops London Luton Barcelona-El Prat Frankfurt am Main
$1,009Multiple Airlines
Sun, Oct 11 - Fri, Oct 16
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3:40 pm - 11:10 pmSEA  Seattle/Tacoma Intl-BFS Belfast Intl
23h 30m3 stops Reykjavik Keflavik Intl Václav Havel Prague London Luton
Multiple Airlines Logo
8:55 am - 8:40 pmBFS  Belfast Intl-SEA Seattle/Tacoma Intl
19h 45m2 stops Manchester Reykjavik Keflavik Intl
$1,062Multiple Airlines
Thu, Nov 5 - Thu, Nov 12
Multiple Airlines Logo
2:35 pm - 1:40 pmSEA  Seattle/Tacoma Intl-BFS Belfast Intl
15h 05m1 stop Amsterdam Schiphol
Multiple Airlines Logo
8:05 pm - 5:00 pmBFS  Belfast Intl-SEA Seattle/Tacoma Intl
28h 55m2 stops London Gatwick Reykjavik Keflavik Intl
$1,091Multiple Airlines
Sun, Oct 11 - Fri, Oct 16
Multiple Airlines Logo
3:40 pm - 9:30 pmSEA  Seattle/Tacoma Intl-BFS Belfast Intl
21h 50m2 stops Reykjavik Keflavik Intl Manchester
Multiple Airlines Logo
8:55 am - 8:40 pmBFS  Belfast Intl-SEA Seattle/Tacoma Intl
19h 45m2 stops Manchester Reykjavik Keflavik Intl
$1,117Multiple Airlines
Thu, Nov 5 - Thu, Nov 12
Multiple Airlines Logo
12:02 pm - 7:10 pmSEA  Seattle/Tacoma Intl-BFS Belfast Intl
23h 08m3 stops Portland Reykjavik Keflavik Intl Glasgow Intl
Multiple Airlines Logo
7:20 am - 5:00 pmBFS  Belfast Intl-SEA Seattle/Tacoma Intl
17h 40m2 stops Glasgow Intl Reykjavik Keflavik Intl
$1,177Multiple Airlines
Thu, Oct 15 - Wed, Oct 28
Multiple Airlines Logo
5:50 am - 9:40 amSEA  Seattle/Tacoma Intl-BFS Belfast Intl
19h 50m3 stops Vancouver Intl Toronto Pearson Intl Manchester
Multiple Airlines Logo
11:05 pm - 4:55 pmBFS  Belfast Intl-SEA Seattle/Tacoma Intl
24h 50m3 stops Alicante Barcelona-El Prat Frankfurt am Main
$1,194Multiple Airlines
Thu, Oct 15 - Wed, Oct 28
Multiple Airlines Logo
7:00 pm - 8:35 pmSEA  Seattle/Tacoma Intl-BFS Belfast Intl
17h 35m2 stops Reykjavik Keflavik Intl London Gatwick
Multiple Airlines Logo
7:40 am - 6:00 pmBFS  Belfast Intl-SEA Seattle/Tacoma Intl
17h 20m2 stops Manchester Reykjavik Keflavik Intl
$1,202Multiple Airlines
Thu, Nov 5 - Thu, Nov 12
Multiple Airlines Logo
2:35 pm - 5:00 pmSEA  Seattle/Tacoma Intl-BFS Belfast Intl
18h 25m3 stops Reykjavik Keflavik Intl Kastrup Copenhagen Edinburgh Turnhouse
Multiple Airlines Logo
5:40 pm - 5:00 pmBFS  Belfast Intl-SEA Seattle/Tacoma Intl
31h 20m3 stops London Stansted Kastrup Copenhagen Reykjavik Keflavik Intl
$1,233Multiple Airlines
Thu, Nov 5 - Thu, Nov 12
Multiple Airlines Logo
2:35 pm - 1:40 pmSEA  Seattle/Tacoma Intl-BFS Belfast Intl
15h 05m1 stop Amsterdam Schiphol
Multiple Airlines Logo
10:10 am - 11:47 amBFS  Belfast Intl-SEA Seattle/Tacoma Intl
33h 37m1 stop Amsterdam Schiphol
$1,400Multiple Airlines
Useful Info

Key details for Seattle to Belfast Intl Airport flights

Cheapest flight

$932
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.

  • 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 varied from about $932 to $1,400. That means the highest observed fare was about 50% higher than the lowest one.

  • 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

  • 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 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 popular places can I visit in Belfast Intl Airport?

    Some of the most popular sights in Belfast Intl Airport are Waterfront Hall, Ulster Hall and Titanic Belfast. These are among the most viewed places in Belfast Intl Airport on KAYAK.

More options for your flight from Seattle to Belfast Intl

Complete your trip to Belfast with a hotel stay or car rental

Car rentals in Belfast
Hotels in Belfast
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