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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 May , June 2026

28 May - 20 Jun $ 100.00
PHX
Phoenix
Frontier Airlines
DIRECT
DEN
Denver
DEN
Denver
Frontier Airlines
DIRECT
PHX
Phoenix
Pick dates
19 May - 09 Jun $ 190.00
PHX
Phoenix
Frontier Airlines
1 STOPS
DEN
Denver
DEN
Denver
Frontier Airlines
DIRECT
PHX
Phoenix
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21 May - 09 Jun $ 249.00
PHX
Phoenix
Frontier Airlines
DIRECT
DEN
Denver
DEN
Denver
Frontier Airlines
DIRECT
PHX
Phoenix
Pick dates

Last minute flights from Phoenix to Denver

28 May - 31 May $ 161.00
PHX
Phoenix
Frontier Airlines
DIRECT
DEN
Denver
DEN
Denver
Frontier Airlines
DIRECT
PHX
Phoenix
Pick dates
19 May - 31 May $ 255.00
PHX
Phoenix
Frontier Airlines
1 STOPS
DEN
Denver
DEN
Denver
Frontier Airlines
DIRECT
PHX
Phoenix
Pick dates
21 May - 31 May $ 280.00
PHX
Phoenix
Frontier Airlines
DIRECT
DEN
Denver
DEN
Denver
Frontier Airlines
DIRECT
PHX
Phoenix
Pick dates

One-way flights to Denver from Phoenix

5:15 AM - 5:15 AM
Frontier Airlines
0 Stops
1h 53m
PHX - DEN
$ 46
Kiwi
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4:17 PM - 4:17 PM
Frontier Airlines
0 Stops
1h 56m
PHX - DEN
$ 126
Kiwi
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6:00 AM - 6:00 AM
United Airlines
0 Stops
1h 52m
PHX - DEN
$ 160
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.