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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 May , June 2026

23 May - 10 Jun $ 407.00
SFO
San Francisco
United Airlines
DIRECT
BOS
Boston
BOS
Boston
United Airlines
DIRECT
SFO
San Francisco
Pick dates
12 May - 10 Jun $ 465.00
SFO
San Francisco
Alaska Airlines
1 STOPS
BOS
Boston
BOS
Boston
Alaska Airlines
1 STOPS
SFO
San Francisco
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12 May - 05 Jun $ 706.00
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

24 May - 31 May $ 457.00
SFO
San Francisco
United Airlines
DIRECT
BOS
Boston
BOS
Boston
United Airlines
DIRECT
SFO
San Francisco
Pick dates
11 May - 01 Jun $ 545.00
SFO
San Francisco
Alaska Airlines
1 STOPS
BOS
Boston
BOS
Boston
Alaska Airlines
1 STOPS
SFO
San Francisco
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12 May - 31 May $ 717.00
SFO
San Francisco
Sun Country Airlines
1 STOPS
BOS
Boston
BOS
Boston
Sun Country Airlines
1 STOPS
SFO
San Francisco
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One-way flights to Boston from San Francisco

10:17 AM - 10:17 AM
United Airlines
0 Stops
5h 50m
SFO - BOS
$ 174
Kiwi
Pick dates
10:25 AM - 3:21 PM
Alaska Airlines
1 Stops
10h 34m
SFO - BOS
$ 284
Kiwi
Pick dates
10:17 AM - 10:17 AM
United Airlines
0 Stops
5h 50m
SFO - BOS
$ 329
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.