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Cheap flights from Seattle (BFI) to Belfast (BFS)

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How to find the cheapest flight from Seattle (BFI) to Belfast (BFS)

How to find the cheapest flight from Seattle (BFI) to Belfast (BFS)
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How to find the cheapest flight from Seattle (BFI) to Belfast (BFS)
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How to find the cheapest flight from Seattle (BFI) to Belfast (BFS)
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Cheap flights from Seattle to Belfast in September , October 2026

29 Sep - 21 Oct $ 1,813.00
BFI
Seattle
Air Excursions
2 STOPS
BFS
Belfast
BFS
Belfast
Air Excursions
3 STOPS
BFI
Seattle
Pick dates
29 Sep - 30 Oct $ 1,822.00
BFI
Seattle
Air Excursions
2 STOPS
BFS
Belfast
BFS
Belfast
Air Excursions
3 STOPS
BFI
Seattle
Pick dates
29 Sep - 30 Oct $ 1,941.00
BFI
Seattle
Air Excursions
2 STOPS
BFS
Belfast
BFS
Belfast
Air Excursions
3 STOPS
BFI
Seattle
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Last minute flights from Seattle to Belfast

28 Sep - 30 Sep $ 2,490.00
BFI
Seattle
Air Excursions
3 STOPS
BFS
Belfast
BFS
Belfast
Air Excursions
3 STOPS
BFI
Seattle
Pick dates
28 Sep - 30 Sep $ 2,527.00
BFI
Seattle
Air Excursions
3 STOPS
BFS
Belfast
BFS
Belfast
Air Excursions
3 STOPS
BFI
Seattle
Pick dates
27 Sep - 30 Sep $ 2,531.00
BFI
Seattle
Air Excursions
3 STOPS
BFS
Belfast
BFS
Belfast
Air Excursions
3 STOPS
BFI
Seattle
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One-way flights to Belfast from Seattle

5:25 AM - 8:45 AM
Virgin Atlantic Airways
2 Stops
19h 55m
BFI - BFS
$ 956
Kiwi
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5:25 AM - 12:00 PM
easyJet
3 Stops
23h 35m
BFI - BFS
$ 1,012
Kiwi
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8:05 AM - 8:45 AM
Virgin Atlantic Airways
2 Stops
17h 15m
BFI - BFS
$ 1,035
Kiwi
Pick dates

How to find the cheapest flight from Seattle (BFI) to Belfast (BFS)

Related info for your journey
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How to find the cheapest flight from Seattle (BFI) to Belfast (BFS)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Seattle (BFI) to Belfast (BFS)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.