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

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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 June , July 2026

30 Jun - 24 Jul $ 220.00
SAN
San Diego
Frontier Airlines
DIRECT
DEN
Denver
DEN
Denver
Frontier Airlines
DIRECT
SAN
San Diego
Pick dates
16 Jun - 03 Jul $ 283.00
SAN
San Diego
Frontier Airlines
1 STOPS
DEN
Denver
DEN
Denver
Frontier Airlines
DIRECT
SAN
San Diego
Pick dates
09 Jun - 07 Jul $ 481.00
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

30 Jun - 30 Jun $ 230.00
SAN
San Diego
Frontier Airlines
DIRECT
DEN
Denver
DEN
Denver
Frontier Airlines
DIRECT
SAN
San Diego
Pick dates
18 Jun - 30 Jun $ 288.00
SAN
San Diego
Frontier Airlines
1 STOPS
DEN
Denver
DEN
Denver
Frontier Airlines
DIRECT
SAN
San Diego
Pick dates
09 Jun - 30 Jun $ 481.00
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

10:04 AM - 10:04 AM
Frontier Airlines
0 Stops
2h 33m
SAN - DEN
$ 133
Kiwi
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4:17 PM - 6:53 PM
Frontier Airlines
1 Stops
4h 29m
SAN - DEN
$ 191
Kiwi
Pick dates
8:34 PM - 8:34 PM
Alaska Airlines
0 Stops
2h 25m
SAN - DEN
$ 354
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.