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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 October , November 2026

31 Oct - 01 Nov $ 41.00
DEN
Denver
Frontier Airlines
DIRECT
SAN
San Diego
SAN
San Diego
Frontier Airlines
DIRECT
DEN
Denver
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09 Oct - 04 Nov $ 224.00
DEN
Denver
Frontier Airlines
DIRECT
SAN
San Diego
SAN
San Diego
Frontier Airlines
DIRECT
DEN
Denver
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05 Oct - 10 Nov $ 333.00
DEN
Denver
Alaska Airlines
DIRECT
SAN
San Diego
SAN
San Diego
Alaska Airlines
DIRECT
DEN
Denver
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Last minute flights from Denver to San Diego

30 Oct - 31 Oct $ 96.00
DEN
Denver
Frontier Airlines
DIRECT
SAN
San Diego
SAN
San Diego
Frontier Airlines
DIRECT
DEN
Denver
Pick dates
08 Oct - 31 Oct $ 240.00
DEN
Denver
Frontier Airlines
DIRECT
SAN
San Diego
SAN
San Diego
Frontier Airlines
DIRECT
DEN
Denver
Pick dates
07 Oct - 31 Oct $ 338.00
DEN
Denver
Alaska Airlines
DIRECT
SAN
San Diego
SAN
San Diego
Alaska 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 28m
DEN - SAN
$ 47
Kiwi
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10:29 PM - 10:29 PM
Frontier Airlines
0 Stops
2h 27m
DEN - SAN
$ 199
Kiwi
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10:29 PM - 10:29 PM
Frontier Airlines
0 Stops
2h 22m
DEN - SAN
$ 233
Kiwi
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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.