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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 July , August 2026

29 Jul - 31 Aug $ 330.00
SFO
San Francisco
Frontier Airlines
1 STOPS
BOS
Boston
BOS
Boston
Frontier Airlines
1 STOPS
SFO
San Francisco
Pick dates
29 Jul - 10 Aug $ 439.00
SFO
San Francisco
JetBlue Airways
1 STOPS
BOS
Boston
BOS
Boston
JetBlue Airways
DIRECT
SFO
San Francisco
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29 Jul - 04 Aug $ 643.00
SFO
San Francisco
JetBlue Airways
DIRECT
BOS
Boston
BOS
Boston
JetBlue Airways
DIRECT
SFO
San Francisco
Pick dates

Last minute flights from San Francisco to Boston

29 Jul - 31 Jul $ 534.00
SFO
San Francisco
JetBlue Airways
1 STOPS
BOS
Boston
BOS
Boston
JetBlue Airways
DIRECT
SFO
San Francisco
Pick dates
29 Jul - 31 Jul $ 534.00
SFO
San Francisco
JetBlue Airways
1 STOPS
BOS
Boston
BOS
Boston
JetBlue Airways
DIRECT
SFO
San Francisco
Pick dates
29 Jul - 31 Jul $ 643.00
SFO
San Francisco
JetBlue Airways
DIRECT
BOS
Boston
BOS
Boston
JetBlue Airways
DIRECT
SFO
San Francisco
Pick dates

One-way flights to Boston from San Francisco

11:00 PM - 8:16 AM
Frontier Airlines
1 Stops
8h 57m
SFO - BOS
$ 204
Kiwi
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11:00 PM - 8:16 AM
Frontier Airlines
1 Stops
8h 57m
SFO - BOS
$ 241
Kiwi
Pick dates
3:18 PM - 3:18 PM
JetBlue Airways
0 Stops
5h 41m
SFO - BOS
$ 313
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.