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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)
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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 April , May 2026

29 Apr - 27 May $ 388.00
SFO
San Francisco
United Airlines
DIRECT
BOS
Boston
BOS
Boston
United Airlines
DIRECT
SFO
San Francisco
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13 Apr - 02 May $ 421.00
SFO
San Francisco
Alaska Airlines
1 STOPS
BOS
Boston
BOS
Boston
Alaska Airlines
1 STOPS
SFO
San Francisco
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13 Apr - 10 May $ 721.00
SFO
San Francisco
Sun Country Airlines
1 STOPS
BOS
Boston
BOS
Boston
Sun Country Airlines
1 STOPS
SFO
San Francisco
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Last minute flights from San Francisco to Boston

29 Apr - 30 Apr $ 412.00
SFO
San Francisco
United Airlines
DIRECT
BOS
Boston
BOS
Boston
United Airlines
DIRECT
SFO
San Francisco
Pick dates
13 Apr - 01 May $ 495.00
SFO
San Francisco
Alaska Airlines
1 STOPS
BOS
Boston
BOS
Boston
Alaska Airlines
1 STOPS
SFO
San Francisco
Pick dates
09 Apr - 30 Apr $ 727.00
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

12:30 PM - 12:30 PM
United Airlines
0 Stops
5h 58m
SFO - BOS
$ 139
Kiwi
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11:13 AM - 3:38 PM
Alaska Airlines
1 Stops
9h 46m
SFO - BOS
$ 268
Kiwi
Pick dates
10:15 AM - 10:15 AM
United Airlines
0 Stops
5h 51m
SFO - BOS
$ 299
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.