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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 August , September 2026

31 Aug - 30 Sep $ 375.00
BOS
Boston
JetBlue Airways
DIRECT
SAN
San Diego
SAN
San Diego
JetBlue Airways
DIRECT
BOS
Boston
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29 Aug - 10 Sep $ 385.00
BOS
Boston
JetBlue Airways
DIRECT
SAN
San Diego
SAN
San Diego
JetBlue Airways
DIRECT
BOS
Boston
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28 Aug - 05 Sep $ 466.00
BOS
Boston
JetBlue Airways
DIRECT
SAN
San Diego
SAN
San Diego
JetBlue Airways
DIRECT
BOS
Boston
Pick dates

Last minute flights from Boston to San Diego

28 Aug - 31 Aug $ 476.00
BOS
Boston
Alaska Airlines
DIRECT
SAN
San Diego
SAN
San Diego
Alaska Airlines
DIRECT
BOS
Boston
Pick dates
28 Aug - 31 Aug $ 509.00
BOS
Boston
Alaska Airlines
DIRECT
SAN
San Diego
SAN
San Diego
Alaska Airlines
DIRECT
BOS
Boston
Pick dates
28 Aug - 31 Aug $ 565.00
BOS
Boston
JetBlue Airways
DIRECT
SAN
San Diego
SAN
San Diego
JetBlue Airways
DIRECT
BOS
Boston
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One-way flights to San Diego from Boston

8:00 AM - 8:00 AM
Alaska Airlines
0 Stops
6h 12m
BOS - SAN
$ 240
Kiwi
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4:20 PM - 4:20 PM
JetBlue Airways
0 Stops
6h 9m
BOS - SAN
$ 250
Kiwi
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6:05 AM - 6:05 AM
JetBlue Airways
0 Stops
6h 5m
BOS - SAN
$ 255
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.