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Cheap flights from Belfast (BFS) to San Francisco (SFO)

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0 Children (2~11)
0 Infants (0~2)
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How to find the cheapest flight from Belfast (BFS) to San Francisco (SFO)

How to find the cheapest flight from Belfast (BFS) to San Francisco (SFO)
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How to find the cheapest flight from Belfast (BFS) to San Francisco (SFO)
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How to find the cheapest flight from Belfast (BFS) to San Francisco (SFO)
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Cheap flights from Belfast to San Francisco in July , August 2026

28 Jul - 24 Aug $ 1,509.00
BFS
Belfast
Aer Lingus
3 STOPS
SFO
San Francisco
SFO
San Francisco
Aer Lingus
2 STOPS
BFS
Belfast
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29 Jul - 24 Aug $ 1,539.00
BFS
Belfast
Aer Lingus
2 STOPS
SFO
San Francisco
SFO
San Francisco
Aer Lingus
2 STOPS
BFS
Belfast
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29 Jul - 24 Aug $ 1,555.00
BFS
Belfast
easyJet
2 STOPS
SFO
San Francisco
SFO
San Francisco
easyJet
2 STOPS
BFS
Belfast
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Last minute flights from Belfast to San Francisco

29 Jul - 02 Aug $ 1,827.00
BFS
Belfast
easyJet
2 STOPS
SFO
San Francisco
SFO
San Francisco
easyJet
2 STOPS
BFS
Belfast
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29 Jul - 01 Aug $ 1,897.00
BFS
Belfast
Aer Lingus
2 STOPS
SFO
San Francisco
SFO
San Francisco
Aer Lingus
2 STOPS
BFS
Belfast
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29 Jul - 01 Aug $ 1,974.00
BFS
Belfast
easyJet
2 STOPS
SFO
San Francisco
SFO
San Francisco
easyJet
2 STOPS
BFS
Belfast
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One-way flights to San Francisco from Belfast

9:05 PM - 11:30 AM
French Bee
2 Stops
24h 45m
BFS - SFO
$ 1,165
Kiwi
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6:30 PM - 2:45 PM
United Airlines
2 Stops
31h 18m
BFS - SFO
$ 2,422
Kiwi
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12:25 PM - 2:45 PM
United Airlines
2 Stops
37h 23m
BFS - SFO
$ 2,422
Kiwi
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How to find the cheapest flight from Belfast (BFS) to San Francisco (SFO)

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