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

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0 Children (2~11)
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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 December 2025 , January 2026

25 Dec - 07 Jan $ 72.00
PHX
Phoenix
Frontier Airlines
DIRECT
DEN
Denver
DEN
Denver
Frontier Airlines
DIRECT
PHX
Phoenix
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25 Dec - 06 Jan $ 72.00
PHX
Phoenix
Frontier Airlines
DIRECT
DEN
Denver
DEN
Denver
Frontier Airlines
DIRECT
PHX
Phoenix
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25 Dec - 10 Jan $ 72.00
PHX
Phoenix
Frontier Airlines
DIRECT
DEN
Denver
DEN
Denver
Frontier Airlines
DIRECT
PHX
Phoenix
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Last minute flights from Phoenix to Denver

25 Dec - 31 Dec $ 83.00
PHX
Phoenix
Frontier Airlines
DIRECT
DEN
Denver
DEN
Denver
Frontier Airlines
DIRECT
PHX
Phoenix
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25 Dec - 31 Dec $ 84.00
PHX
Phoenix
Frontier Airlines
DIRECT
DEN
Denver
DEN
Denver
Frontier Airlines
DIRECT
PHX
Phoenix
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24 Dec - 31 Dec $ 298.00
PHX
Phoenix
United Airlines
DIRECT
DEN
Denver
DEN
Denver
United Airlines
DIRECT
PHX
Phoenix
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One-way flights to Denver from Phoenix

10:31 PM - 10:31 PM
Frontier Airlines
0 Stops
1h 54m
PHX - DEN
$ 42
Kiwi
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7:00 AM - 7:00 AM
Frontier Airlines
0 Stops
1h 55m
PHX - DEN
$ 42
Kiwi
Pick dates
10:31 PM - 10:31 PM
Frontier Airlines
0 Stops
1h 54m
PHX - DEN
$ 164
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.