SEA - BFS

$837 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

Wed, Dec 2 - Wed, Dec 9
Multiple Airlines Logo
2:35 pm - 7:30 pmSEA  Seattle/Tacoma Intl-BFS Belfast Intl
20h 55m3 stops Reykjavik Keflavik Intl Kastrup Copenhagen Newcastle upon Tyne
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6:00 pm - 5:00 pmBFS  Belfast Intl-SEA Seattle/Tacoma Intl
31h 00m3 stops Malaga Oslo Gardermoen Reykjavik Keflavik Intl
$837Multiple Airlines
Wed, Dec 2 - Wed, Dec 9
Multiple Airlines Logo
2:35 pm - 7:45 pmSEA  Seattle/Tacoma Intl-BFS Belfast Intl
21h 10m2 stops Reykjavik Keflavik Intl Manchester
Multiple Airlines Logo
6:00 pm - 5:00 pmBFS  Belfast Intl-SEA Seattle/Tacoma Intl
31h 00m3 stops Malaga Oslo Gardermoen Reykjavik Keflavik Intl
$847Multiple Airlines
Thu, Dec 3 - Thu, Dec 10
Multiple Airlines Logo
2:35 pm - 7:50 pmSEA  Seattle/Tacoma Intl-BFS Belfast Intl
21h 15m2 stops Reykjavik Keflavik Intl Manchester
Multiple Airlines Logo
9:25 am - 5:00 pmBFS  Belfast Intl-SEA Seattle/Tacoma Intl
15h 35m2 stops Manchester Reykjavik Keflavik Intl
$971Multiple Airlines
Wed, Dec 2 - Wed, Dec 9
Multiple Airlines Logo
2:35 pm - 7:45 pmSEA  Seattle/Tacoma Intl-BFS Belfast Intl
21h 10m2 stops Reykjavik Keflavik Intl Manchester
Multiple Airlines Logo
8:15 am - 5:00 pmBFS  Belfast Intl-SEA Seattle/Tacoma Intl
16h 45m2 stops Glasgow Intl Reykjavik Keflavik Intl
$978Multiple Airlines
Thu, Dec 3 - Thu, Dec 10
Multiple Airlines Logo
2:35 pm - 10:15 pmSEA  Seattle/Tacoma Intl-BFS Belfast Intl
23h 40m3 stops Reykjavik Keflavik Intl Kastrup Copenhagen Birmingham
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
$996Multiple Airlines
Thu, Dec 3 - Thu, Dec 10
Multiple Airlines Logo
2:35 pm - 10:15 pmSEA  Seattle/Tacoma Intl-BFS Belfast Intl
23h 40m3 stops Reykjavik Keflavik Intl Kastrup Copenhagen Birmingham
Multiple Airlines Logo
9:25 am - 5:00 pmBFS  Belfast Intl-SEA Seattle/Tacoma Intl
15h 35m2 stops Manchester Reykjavik Keflavik Intl
$1,096Multiple Airlines
Useful Info

Key details for Seattle to Belfast Intl Airport flights

Cheapest flight

$837
Round-trip 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 answers about this route, including flight times, airports, airlines and booking tips.

  • 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 $837 to $1,096. That means the highest observed fare was about 30% 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 Ulster Hall, Titanic Belfast and Albert Memorial Clock. 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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