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Cheap flights from San Diego (SAN) 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 Diego (SAN) to Boston (BOS)

How to find the cheapest flight from San Diego (SAN) to Boston (BOS)
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How to find the cheapest flight from San Diego (SAN) to Boston (BOS)
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How to find the cheapest flight from San Diego (SAN) to Boston (BOS)
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Cheap flights from San Diego to Boston in December 2025 , January 2026

23 Dec - 07 Jan $ 390.00
SAN
San Diego
Alaska Airlines
DIRECT
BOS
Boston
BOS
Boston
Alaska Airlines
DIRECT
SAN
San Diego
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24 Dec - 07 Jan $ 400.00
SAN
San Diego
Hawaiian Airlines
DIRECT
BOS
Boston
BOS
Boston
Hawaiian Airlines
DIRECT
SAN
San Diego
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17 Dec - 06 Jan $ 575.00
SAN
San Diego
Alaska Airlines
DIRECT
BOS
Boston
BOS
Boston
Alaska Airlines
DIRECT
SAN
San Diego
Pick dates

Last minute flights from San Diego to Boston

24 Dec - 31 Dec $ 563.00
SAN
San Diego
United Airlines
1 STOPS
BOS
Boston
BOS
Boston
United Airlines
1 STOPS
SAN
San Diego
Pick dates
24 Dec - 31 Dec $ 563.00
SAN
San Diego
United Airlines
1 STOPS
BOS
Boston
BOS
Boston
United Airlines
1 STOPS
SAN
San Diego
Pick dates
17 Dec - 31 Dec $ 982.00
SAN
San Diego
Alaska Airlines
DIRECT
BOS
Boston
BOS
Boston
Alaska Airlines
DIRECT
SAN
San Diego
Pick dates

One-way flights to Boston from San Diego

10:30 PM - 1:55 PM
United Airlines
1 Stops
15h 47m
SAN - BOS
$ 222
Kiwi
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8:27 PM - 8:27 PM
Alaska Airlines
0 Stops
5h 43m
SAN - BOS
$ 284
Kiwi
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9:15 AM - 9:15 AM
Hawaiian Airlines
0 Stops
5h 37m
SAN - BOS
$ 447
Kiwi
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How to find the cheapest flight from San Diego (SAN) to Boston (BOS)

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