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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 July , August 2026

29 Jul - 17 Aug $ 363.00
BOS
Boston
Alaska Airlines
DIRECT
SAN
San Diego
SAN
San Diego
Alaska Airlines
DIRECT
BOS
Boston
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29 Jul - 05 Aug $ 430.00
BOS
Boston
JetBlue Airways
DIRECT
SAN
San Diego
SAN
San Diego
JetBlue Airways
DIRECT
BOS
Boston
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28 Jul - 05 Aug $ 491.00
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

29 Jul - 31 Jul $ 456.00
BOS
Boston
Hawaiian Airlines
DIRECT
SAN
San Diego
SAN
San Diego
Hawaiian Airlines
DIRECT
BOS
Boston
Pick dates
29 Jul - 31 Jul $ 456.00
BOS
Boston
Hawaiian Airlines
DIRECT
SAN
San Diego
SAN
San Diego
Hawaiian Airlines
DIRECT
BOS
Boston
Pick dates
28 Jul - 31 Jul $ 601.00
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

8:28 AM - 8:28 AM
Alaska Airlines
0 Stops
6h 15m
BOS - SAN
$ 213
Kiwi
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8:28 AM - 8:28 AM
Hawaiian Airlines
0 Stops
6h 15m
BOS - SAN
$ 226
Kiwi
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6:05 AM - 6:05 AM
JetBlue Airways
0 Stops
6h 4m
BOS - SAN
$ 289
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.