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Cheap flights from San Francisco (SFO) to San Diego (SAN)

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1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
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How to find the cheapest flight from San Francisco (SFO) to San Diego (SAN)

How to find the cheapest flight from San Francisco (SFO) to San Diego (SAN)
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How to find the cheapest flight from San Francisco (SFO) to San Diego (SAN)
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How to find the cheapest flight from San Francisco (SFO) to San Diego (SAN)
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Cheap flights from San Francisco to San Diego in December 2025 , January 2026

31 Dec - 12 Jan $ 109.00
SFO
San Francisco
Frontier Airlines
DIRECT
SAN
San Diego
SAN
San Diego
Frontier Airlines
DIRECT
SFO
San Francisco
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25 Dec - 09 Jan $ 161.00
SFO
San Francisco
Frontier Airlines
DIRECT
SAN
San Diego
SAN
San Diego
Frontier Airlines
DIRECT
SFO
San Francisco
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18 Dec - 18 Jan $ 423.00
SFO
San Francisco
United Airlines
DIRECT
SAN
San Diego
SAN
San Diego
United Airlines
DIRECT
SFO
San Francisco
Pick dates

Last minute flights from San Francisco to San Diego

31 Dec - 31 Dec $ 204.00
SFO
San Francisco
Frontier Airlines
DIRECT
SAN
San Diego
SAN
San Diego
Frontier Airlines
DIRECT
SFO
San Francisco
Pick dates
25 Dec - 31 Dec $ 263.00
SFO
San Francisco
Frontier Airlines
DIRECT
SAN
San Diego
SAN
San Diego
Frontier Airlines
DIRECT
SFO
San Francisco
Pick dates
27 Dec - 31 Dec $ 478.00
SFO
San Francisco
Hawaiian Airlines
DIRECT
SAN
San Diego
SAN
San Diego
Hawaiian Airlines
DIRECT
SFO
San Francisco
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One-way flights to San Diego from San Francisco

2:13 PM - 2:13 PM
Frontier Airlines
0 Stops
1h 39m
SFO - SAN
$ 90
Kiwi
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2:13 PM - 2:13 PM
Frontier Airlines
0 Stops
1h 39m
SFO - SAN
$ 140
Kiwi
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10:45 PM - 10:45 PM
United Airlines
0 Stops
1h 30m
SFO - SAN
$ 231
Kiwi
Pick dates

How to find the cheapest flight from San Francisco (SFO) to San Diego (SAN)

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