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Cheap flights from San Francisco (SFO) to Boston (BOS)

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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 San Francisco (SFO) to Boston (BOS)

How to find the cheapest flight from San Francisco (SFO) to Boston (BOS)
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How to find the cheapest flight from San Francisco (SFO) to Boston (BOS)
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How to find the cheapest flight from San Francisco (SFO) to Boston (BOS)
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Cheap flights from San Francisco to Boston in January , February 2026

27 Jan - 03 Feb $ 259.00
SFO
San Francisco
Hawaiian Airlines
1 STOPS
BOS
Boston
BOS
Boston
Hawaiian Airlines
1 STOPS
SFO
San Francisco
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21 Jan - 09 Feb $ 335.00
SFO
San Francisco
Alaska Airlines
1 STOPS
BOS
Boston
BOS
Boston
Alaska Airlines
1 STOPS
SFO
San Francisco
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21 Jan - 03 Feb $ 335.00
SFO
San Francisco
Alaska Airlines
1 STOPS
BOS
Boston
BOS
Boston
Alaska Airlines
1 STOPS
SFO
San Francisco
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Last minute flights from San Francisco to Boston

28 Jan - 31 Jan $ 385.00
SFO
San Francisco
United Airlines
DIRECT
BOS
Boston
BOS
Boston
United Airlines
DIRECT
SFO
San Francisco
Pick dates
21 Jan - 31 Jan $ 447.00
SFO
San Francisco
United Airlines
DIRECT
BOS
Boston
BOS
Boston
United Airlines
DIRECT
SFO
San Francisco
Pick dates
21 Jan - 31 Jan $ 447.00
SFO
San Francisco
United Airlines
DIRECT
BOS
Boston
BOS
Boston
United Airlines
DIRECT
SFO
San Francisco
Pick dates

One-way flights to Boston from San Francisco

1:00 PM - 1:00 PM
United Airlines
0 Stops
5h 42m
SFO - BOS
$ 144
Kiwi
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11:56 PM - 7:30 AM
United Airlines
1 Stops
7h 56m
SFO - BOS
$ 214
Kiwi
Pick dates
1:00 PM - 1:00 PM
United Airlines
0 Stops
5h 42m
SFO - BOS
$ 252
Kiwi
Pick dates

How to find the cheapest flight from San Francisco (SFO) to Boston (BOS)

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