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

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0 Children (2~11)
0 Infants (0~2)
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How to find the cheapest flight from San Diego (SAN) to Denver (DEN)

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

28 Apr - 10 May $ 56.00
SAN
San Diego
Frontier Airlines
DIRECT
DEN
Denver
DEN
Denver
Frontier Airlines
DIRECT
SAN
San Diego
Pick dates
11 Apr - 10 May $ 122.00
SAN
San Diego
Frontier Airlines
DIRECT
DEN
Denver
DEN
Denver
Frontier Airlines
DIRECT
SAN
San Diego
Pick dates
11 Apr - 06 May $ 122.00
SAN
San Diego
Frontier Airlines
DIRECT
DEN
Denver
DEN
Denver
Frontier Airlines
DIRECT
SAN
San Diego
Pick dates

Last minute flights from San Diego to Denver

28 Apr - 30 Apr $ 56.00
SAN
San Diego
Frontier Airlines
DIRECT
DEN
Denver
DEN
Denver
Frontier Airlines
DIRECT
SAN
San Diego
Pick dates
10 Apr - 30 Apr $ 122.00
SAN
San Diego
Frontier Airlines
DIRECT
DEN
Denver
DEN
Denver
Frontier Airlines
DIRECT
SAN
San Diego
Pick dates
13 Apr - 30 Apr $ 163.00
SAN
San Diego
Frontier Airlines
DIRECT
DEN
Denver
DEN
Denver
Frontier Airlines
DIRECT
SAN
San Diego
Pick dates

One-way flights to Denver from San Diego

12:12 PM - 12:12 PM
Frontier Airlines
0 Stops
2h 34m
SAN - DEN
$ 28
Kiwi
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9:28 PM - 9:28 PM
Frontier Airlines
0 Stops
2h 33m
SAN - DEN
$ 94
Kiwi
Pick dates
4:09 PM - 4:09 PM
United Airlines
0 Stops
2h 31m
SAN - DEN
$ 169
Kiwi
Pick dates

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

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