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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 November , December 2025

25 Nov - 18 Dec $ 1,795.00
BFI
Seattle
Air Excursions
3 STOPS
BFS
Belfast
BFS
Belfast
Air Excursions
3 STOPS
BFI
Seattle
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25 Nov - 18 Dec $ 1,817.00
BFI
Seattle
Air Excursions
3 STOPS
BFS
Belfast
BFS
Belfast
Air Excursions
3 STOPS
BFI
Seattle
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25 Nov - 11 Dec $ 1,834.00
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

25 Nov - 02 Dec $ 2,317.00
BFI
Seattle
Air Excursions
3 STOPS
BFS
Belfast
BFS
Belfast
Air Excursions
3 STOPS
BFI
Seattle
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25 Nov - 02 Dec $ 2,330.00
BFI
Seattle
Air Excursions
3 STOPS
BFS
Belfast
BFS
Belfast
Air Excursions
3 STOPS
BFI
Seattle
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25 Nov - 02 Dec $ 2,339.00
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 - 4:30 PM
easyJet
3 Stops
23h 40m
BFI - BFS
$ 820
Kiwi
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9:35 AM - 3:55 PM
easyJet
3 Stops
23h 15m
BFI - BFS
$ 833
Kiwi
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9:35 AM - 12:40 PM
Aer Lingus
3 Stops
20h 15m
BFI - BFS
$ 842
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.