Earn point on your loyalty program!arrow arc left

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

Know your dates, get live prices in seconds
airplane logo

pin logo

calendar
Departure
calendar backward
Return
airplane logo
1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
Book Flight + Hotel at the same time

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)
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.
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.

Cheap flights from Boston to San Diego in November , December 2025

24 Nov - 25 Dec $ 474.00
BOS
Boston
Hawaiian Airlines
DIRECT
SAN
San Diego
SAN
San Diego
Hawaiian Airlines
DIRECT
BOS
Boston
Pick dates
26 Nov - 09 Dec $ 507.00
BOS
Boston
Hawaiian Airlines
DIRECT
SAN
San Diego
SAN
San Diego
Hawaiian Airlines
DIRECT
BOS
Boston
Pick dates
27 Nov - 10 Dec $ 974.00
BOS
Boston
Hawaiian Airlines
1 STOPS
SAN
San Diego
SAN
San Diego
Hawaiian Airlines
DIRECT
BOS
Boston
Pick dates

Last minute flights from Boston to San Diego

27 Nov - 30 Nov $ 631.00
BOS
Boston
Alaska Airlines
1 STOPS
SAN
San Diego
SAN
San Diego
Alaska Airlines
1 STOPS
BOS
Boston
Pick dates
27 Nov - 30 Nov $ 631.00
BOS
Boston
Alaska Airlines
1 STOPS
SAN
San Diego
SAN
San Diego
Alaska Airlines
1 STOPS
BOS
Boston
Pick dates
26 Nov - 30 Nov $ 1,184.00
BOS
Boston
Hawaiian Airlines
DIRECT
SAN
San Diego
SAN
San Diego
Hawaiian Airlines
DIRECT
BOS
Boston
Pick dates

One-way flights to San Diego from Boston

4:26 PM - 4:26 PM
Hawaiian Airlines
0 Stops
6h 40m
BOS - SAN
$ 368
Kiwi
Pick dates
4:26 PM - 4:26 PM
Hawaiian Airlines
0 Stops
6h 40m
BOS - SAN
$ 368
Kiwi
Pick dates
7:11 AM - 1:44 PM
Hawaiian Airlines
1 Stops
12h 22m
BOS - SAN
$ 711
Kiwi
Pick dates

How to find the cheapest flight from Boston (BOS) to San Diego (SAN)

Related info for your journey
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.
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.