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

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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 San Francisco (SFO)

How to find the cheapest flight from Boston (BOS) to San Francisco (SFO)
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How to find the cheapest flight from Boston (BOS) to San Francisco (SFO)
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How to find the cheapest flight from Boston (BOS) to San Francisco (SFO)
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Cheap flights from Boston to San Francisco in November , December 2025

23 Nov - 11 Dec $ 409.00
BOS
Boston
Alaska Airlines
DIRECT
SFO
San Francisco
SFO
San Francisco
Alaska Airlines
DIRECT
BOS
Boston
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23 Nov - 10 Dec $ 424.00
BOS
Boston
Alaska Airlines
DIRECT
SFO
San Francisco
SFO
San Francisco
Alaska Airlines
DIRECT
BOS
Boston
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23 Nov - 05 Dec $ 447.00
BOS
Boston
Hawaiian Airlines
DIRECT
SFO
San Francisco
SFO
San Francisco
Hawaiian Airlines
DIRECT
BOS
Boston
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Last minute flights from Boston to San Francisco

21 Nov - 30 Nov $ 578.00
BOS
Boston
Hawaiian Airlines
DIRECT
SFO
San Francisco
SFO
San Francisco
Hawaiian Airlines
1 STOPS
BOS
Boston
Pick dates
21 Nov - 30 Nov $ 578.00
BOS
Boston
Hawaiian Airlines
DIRECT
SFO
San Francisco
SFO
San Francisco
Hawaiian Airlines
1 STOPS
BOS
Boston
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24 Nov - 30 Nov $ 2,088.00
BOS
Boston
United Airlines
DIRECT
SFO
San Francisco
SFO
San Francisco
United Airlines
DIRECT
BOS
Boston
Pick dates

One-way flights to San Francisco from Boston

7:33 PM - 7:33 PM
Alaska Airlines
0 Stops
6h 47m
BOS - SFO
$ 291
Kiwi
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7:33 PM - 7:33 PM
Alaska Airlines
0 Stops
6h 47m
BOS - SFO
$ 299
Kiwi
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6:00 AM - 6:00 AM
United Airlines
0 Stops
6h 45m
BOS - SFO
$ 349
Kiwi
Pick dates

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

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