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

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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 Diego (SAN)

How to find the cheapest flight from Boston (BOS) to San Diego (SAN)
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How to find the cheapest flight from Boston (BOS) to San Diego (SAN)
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How to find the cheapest flight from Boston (BOS) to San Diego (SAN)
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Cheap flights from Boston to San Diego in February , March 2026

22 Feb - 03 Mar $ 202.00
BOS
Boston
Hawaiian Airlines
DIRECT
SAN
San Diego
SAN
San Diego
Hawaiian Airlines
DIRECT
BOS
Boston
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15 Feb - 03 Mar $ 411.00
BOS
Boston
Hawaiian Airlines
DIRECT
SAN
San Diego
SAN
San Diego
Hawaiian Airlines
DIRECT
BOS
Boston
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11 Feb - 03 Mar $ 483.00
BOS
Boston
Hawaiian Airlines
DIRECT
SAN
San Diego
SAN
San Diego
Hawaiian Airlines
DIRECT
BOS
Boston
Pick dates

Last minute flights from Boston to San Diego

27 Feb - 28 Feb $ 415.00
BOS
Boston
Alaska Airlines
DIRECT
SAN
San Diego
SAN
San Diego
Alaska Airlines
DIRECT
BOS
Boston
Pick dates
15 Feb - 28 Feb $ 562.00
BOS
Boston
Hawaiian Airlines
DIRECT
SAN
San Diego
SAN
San Diego
Hawaiian Airlines
1 STOPS
BOS
Boston
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10 Feb - 28 Feb $ 631.00
BOS
Boston
Alaska Airlines
DIRECT
SAN
San Diego
SAN
San Diego
Alaska Airlines
DIRECT
BOS
Boston
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One-way flights to San Diego from Boston

5:44 PM - 5:44 PM
Alaska Airlines
0 Stops
6h 45m
BOS - SAN
$ 128
Kiwi
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5:44 PM - 5:44 PM
Alaska Airlines
0 Stops
6h 45m
BOS - SAN
$ 285
Kiwi
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4:20 PM - 4:20 PM
Hawaiian Airlines
0 Stops
6h 40m
BOS - SAN
$ 366
Kiwi
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How to find the cheapest flight from Boston (BOS) to San Diego (SAN)

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