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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 April , May 2026

21 Apr - 28 May $ 1,621.00
BFI
Seattle
Air Excursions
3 STOPS
BFS
Belfast
BFS
Belfast
Air Excursions
3 STOPS
BFI
Seattle
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21 Apr - 28 May $ 1,631.00
BFI
Seattle
Air Excursions
3 STOPS
BFS
Belfast
BFS
Belfast
Air Excursions
3 STOPS
BFI
Seattle
Pick dates
21 Apr - 21 May $ 1,691.00
BFI
Seattle
Air Excursions
3 STOPS
BFS
Belfast
BFS
Belfast
Air Excursions
3 STOPS
BFI
Seattle
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Last minute flights from Seattle to Belfast

21 Apr - 01 May $ 3,040.00
BFI
Seattle
Air Excursions
3 STOPS
BFS
Belfast
BFS
Belfast
Air Excursions
3 STOPS
BFI
Seattle
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21 Apr - 01 May $ 3,051.00
BFI
Seattle
Air Excursions
3 STOPS
BFS
Belfast
BFS
Belfast
Air Excursions
3 STOPS
BFI
Seattle
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21 Apr - 01 May $ 3,096.00
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

10:45 AM - 6:55 PM
easyJet
3 Stops
24h 55m
BFI - BFS
$ 648
Kiwi
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10:45 AM - 3:35 PM
easyJet
3 Stops
21h 35m
BFI - BFS
$ 658
Kiwi
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10:45 AM - 3:05 PM
easyJet
3 Stops
21h 15m
BFI - BFS
$ 818
Kiwi
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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.