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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 March , April 2026

26 Mar - 30 Apr $ 1,640.00
BFI
Seattle
Air Excursions
3 STOPS
BFS
Belfast
BFS
Belfast
Air Excursions
3 STOPS
BFI
Seattle
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26 Mar - 30 Apr $ 1,641.00
BFI
Seattle
Air Excursions
3 STOPS
BFS
Belfast
BFS
Belfast
Air Excursions
3 STOPS
BFI
Seattle
Pick dates
26 Mar - 30 Apr $ 1,661.00
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

26 Mar - 02 Apr $ 1,782.00
BFI
Seattle
Air Excursions
3 STOPS
BFS
Belfast
BFS
Belfast
Air Excursions
3 STOPS
BFI
Seattle
Pick dates
26 Mar - 02 Apr $ 1,803.00
BFI
Seattle
Air Excursions
3 STOPS
BFS
Belfast
BFS
Belfast
Air Excursions
3 STOPS
BFI
Seattle
Pick dates
26 Mar - 02 Apr $ 1,827.00
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

9:35 AM - 7:50 PM
easyJet
3 Stops
28h
BFI - BFS
$ 626
Kiwi
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9:35 AM - 6:50 PM
easyJet
3 Stops
27h
BFI - BFS
$ 627
Kiwi
Pick dates
9:35 AM - 3:55 PM
easyJet
3 Stops
24h 5m
BFI - BFS
$ 648
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.