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Cheap flights from Denver (DEN) 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 Denver (DEN) to San Diego (SAN)

How to find the cheapest flight from Denver (DEN) to San Diego (SAN)
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How to find the cheapest flight from Denver (DEN) to San Diego (SAN)
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How to find the cheapest flight from Denver (DEN) to San Diego (SAN)
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Cheap flights from Denver to San Diego in January , February 2026

26 Jan - 05 Feb $ 63.00
DEN
Denver
Frontier Airlines
DIRECT
SAN
San Diego
SAN
San Diego
Frontier Airlines
DIRECT
DEN
Denver
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22 Jan - 05 Feb $ 93.00
DEN
Denver
Frontier Airlines
DIRECT
SAN
San Diego
SAN
San Diego
Frontier Airlines
DIRECT
DEN
Denver
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22 Jan - 05 Feb $ 188.00
DEN
Denver
Frontier Airlines
DIRECT
SAN
San Diego
SAN
San Diego
Frontier Airlines
DIRECT
DEN
Denver
Pick dates

Last minute flights from Denver to San Diego

26 Jan - 31 Jan $ 72.00
DEN
Denver
Frontier Airlines
DIRECT
SAN
San Diego
SAN
San Diego
Frontier Airlines
DIRECT
DEN
Denver
Pick dates
22 Jan - 31 Jan $ 102.00
DEN
Denver
Frontier Airlines
DIRECT
SAN
San Diego
SAN
San Diego
Frontier Airlines
DIRECT
DEN
Denver
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17 Jan - 31 Jan $ 511.00
DEN
Denver
United Airlines
DIRECT
SAN
San Diego
SAN
San Diego
United Airlines
DIRECT
DEN
Denver
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One-way flights to San Diego from Denver

10:29 PM - 10:29 PM
Frontier Airlines
0 Stops
2h 39m
DEN - SAN
$ 34
Kiwi
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10:29 PM - 10:29 PM
Frontier Airlines
0 Stops
2h 39m
DEN - SAN
$ 64
Kiwi
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1:37 PM - 1:37 PM
United Airlines
0 Stops
2h 27m
DEN - SAN
$ 184
Kiwi
Pick dates

How to find the cheapest flight from Denver (DEN) to San Diego (SAN)

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