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

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0 Children (2~11)
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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

30 Apr - 27 May $ 177.00
SAN
San Diego
Frontier Airlines
DIRECT
DEN
Denver
DEN
Denver
Frontier Airlines
DIRECT
SAN
San Diego
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28 Apr - 08 May $ 209.00
SAN
San Diego
Frontier Airlines
1 STOPS
DEN
Denver
DEN
Denver
Frontier Airlines
DIRECT
SAN
San Diego
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27 Apr - 09 May $ 466.00
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

29 Apr - 30 Apr $ 284.00
SAN
San Diego
Frontier Airlines
1 STOPS
DEN
Denver
DEN
Denver
Frontier Airlines
DIRECT
SAN
San Diego
Pick dates
28 Apr - 30 Apr $ 298.00
SAN
San Diego
Frontier Airlines
DIRECT
DEN
Denver
DEN
Denver
Frontier Airlines
DIRECT
SAN
San Diego
Pick dates
27 Apr - 30 Apr $ 540.00
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

2:12 PM - 4:51 PM
Frontier Airlines
1 Stops
4h 48m
SAN - DEN
$ 135
Kiwi
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12:12 PM - 12:12 PM
Frontier Airlines
0 Stops
2h 34m
SAN - DEN
$ 149
Kiwi
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8:41 AM - 8:41 AM
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.