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Cheap flights from Phoenix (PHX) to Denver (DEN)

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How to find the cheapest flight from Phoenix (PHX) to Denver (DEN)

How to find the cheapest flight from Phoenix (PHX) to Denver (DEN)
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How to find the cheapest flight from Phoenix (PHX) to Denver (DEN)
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How to find the cheapest flight from Phoenix (PHX) to Denver (DEN)
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Cheap flights from Phoenix to Denver in September , October 2026

30 Sep - 13 Oct $ 92.00
PHX
Phoenix
Frontier Airlines
DIRECT
DEN
Denver
DEN
Denver
Frontier Airlines
DIRECT
PHX
Phoenix
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16 Sep - 06 Oct $ 151.00
PHX
Phoenix
Frontier Airlines
DIRECT
DEN
Denver
DEN
Denver
Frontier Airlines
DIRECT
PHX
Phoenix
Pick dates
16 Sep - 03 Oct $ 180.00
PHX
Phoenix
Frontier Airlines
DIRECT
DEN
Denver
DEN
Denver
Frontier Airlines
DIRECT
PHX
Phoenix
Pick dates

Last minute flights from Phoenix to Denver

29 Sep - 30 Sep $ 92.00
PHX
Phoenix
Frontier Airlines
DIRECT
DEN
Denver
DEN
Denver
Frontier Airlines
DIRECT
PHX
Phoenix
Pick dates
16 Sep - 30 Sep $ 151.00
PHX
Phoenix
Frontier Airlines
DIRECT
DEN
Denver
DEN
Denver
Frontier Airlines
DIRECT
PHX
Phoenix
Pick dates
12 Sep - 30 Sep $ 180.00
PHX
Phoenix
Frontier Airlines
DIRECT
DEN
Denver
DEN
Denver
Frontier Airlines
DIRECT
PHX
Phoenix
Pick dates

One-way flights to Denver from Phoenix

8:56 PM - 8:56 PM
Frontier Airlines
0 Stops
1h 52m
PHX - DEN
$ 46
Kiwi
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6:25 AM - 6:25 AM
Frontier Airlines
0 Stops
2h 18m
PHX - DEN
$ 105
Kiwi
Pick dates
8:56 PM - 8:56 PM
Frontier Airlines
0 Stops
1h 52m
PHX - DEN
$ 134
Kiwi
Pick dates

How to find the cheapest flight from Phoenix (PHX) to Denver (DEN)

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