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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 - 20 Oct $ 166.00
PHX
Phoenix
Frontier Airlines
DIRECT
DEN
Denver
DEN
Denver
Frontier Airlines
DIRECT
PHX
Phoenix
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30 Sep - 10 Oct $ 274.00
PHX
Phoenix
Frontier Airlines
DIRECT
DEN
Denver
DEN
Denver
Frontier Airlines
DIRECT
PHX
Phoenix
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30 Sep - 07 Oct $ 275.00
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

30 Sep - 30 Sep $ 294.00
PHX
Phoenix
Frontier Airlines
DIRECT
DEN
Denver
DEN
Denver
Frontier Airlines
DIRECT
PHX
Phoenix
Pick dates
30 Sep - 01 Oct $ 319.00
PHX
Phoenix
Frontier Airlines
DIRECT
DEN
Denver
DEN
Denver
Frontier Airlines
1 STOPS
PHX
Phoenix
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30 Sep - 30 Sep $ 585.00
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

8:56 PM - 8:56 PM
Frontier Airlines
0 Stops
1h 52m
PHX - DEN
$ 145
Kiwi
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3:21 PM - 3:21 PM
Frontier Airlines
0 Stops
1h 54m
PHX - DEN
$ 148
Kiwi
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6:43 PM - 6:43 PM
United Airlines
0 Stops
1h 56m
PHX - DEN
$ 202
Kiwi
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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.