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Cheap flights from Boston (BOS) to Belfast (BFS)

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1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
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How to find the cheapest flight from Boston (BOS) to Belfast (BFS)

How to find the cheapest flight from Boston (BOS) to Belfast (BFS)
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How to find the cheapest flight from Boston (BOS) to Belfast (BFS)
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How to find the cheapest flight from Boston (BOS) to Belfast (BFS)
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Cheap flights from Boston to Belfast in April , May 2026

30 Apr - 05 May $ 938.00
BOS
Boston
Swiss International Air Lines
2 STOPS
BFS
Belfast
BFS
Belfast
Swiss International Air Lines
2 STOPS
BOS
Boston
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30 Apr - 07 May $ 976.00
BOS
Boston
Swiss International Air Lines
2 STOPS
BFS
Belfast
BFS
Belfast
Swiss International Air Lines
2 STOPS
BOS
Boston
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30 Apr - 07 May $ 1,016.00
BOS
Boston
Swiss International Air Lines
2 STOPS
BFS
Belfast
BFS
Belfast
Swiss International Air Lines
2 STOPS
BOS
Boston
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One-way flights to Belfast from Boston

5:25 PM - 11:05 AM
Aer Lingus
2 Stops
13h 30m
BOS - BFS
$ 605
Kiwi
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9:15 PM - 2:05 PM
Aer Lingus
2 Stops
12h 45m
BOS - BFS
$ 612
Kiwi
Pick dates
9:15 PM - 2:05 PM
Aer Lingus
2 Stops
12h 45m
BOS - BFS
$ 615
Kiwi
Pick dates

How to find the cheapest flight from Boston (BOS) to Belfast (BFS)

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How to find the cheapest flight from Boston (BOS) 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 Boston (BOS) to Belfast (BFS)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.