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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 June , July 2026

28 Jun - 09 Jul $ 312.00
BOS
Boston
Alaska Airlines
DIRECT
SAN
San Diego
SAN
San Diego
Alaska Airlines
DIRECT
BOS
Boston
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16 Jun - 08 Jul $ 391.00
BOS
Boston
JetBlue Airways
DIRECT
SAN
San Diego
SAN
San Diego
JetBlue Airways
DIRECT
BOS
Boston
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19 Jun - 05 Jul $ 598.00
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

30 Jun - 30 Jun $ 267.00
BOS
Boston
Alaska Airlines
DIRECT
SAN
San Diego
SAN
San Diego
Alaska Airlines
DIRECT
BOS
Boston
Pick dates
16 Jun - 30 Jun $ 482.00
BOS
Boston
Alaska Airlines
DIRECT
SAN
San Diego
SAN
San Diego
Alaska Airlines
DIRECT
BOS
Boston
Pick dates
19 Jun - 30 Jun $ 730.00
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

6:00 AM - 10:05 AM
United Airlines
1 Stops
8h 51m
BOS - SAN
$ 129
Kiwi
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4:15 PM - 9:00 PM
United Airlines
1 Stops
9h 34m
BOS - SAN
$ 212
Kiwi
Pick dates
6:05 AM - 6:05 AM
JetBlue Airways
0 Stops
6h 5m
BOS - SAN
$ 336
Kiwi
Pick dates

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.