Earn point on your loyalty program!arrow arc left

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

Know your dates, get live prices in seconds
airplane logo

pin logo

calendar
Departure
calendar backward
Return
airplane logo
1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
Book Flight + Hotel at the same time

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

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

Cheap flights from Denver to Phoenix in May , June 2026

29 May - 23 Jun $ 172.00
DEN
Denver
Frontier Airlines
DIRECT
PHX
Phoenix
PHX
Phoenix
Frontier Airlines
DIRECT
DEN
Denver
Pick dates
28 May - 10 Jun $ 180.00
DEN
Denver
Frontier Airlines
DIRECT
PHX
Phoenix
PHX
Phoenix
Frontier Airlines
DIRECT
DEN
Denver
Pick dates
29 May - 10 Jun $ 180.00
DEN
Denver
Frontier Airlines
DIRECT
PHX
Phoenix
PHX
Phoenix
Frontier Airlines
DIRECT
DEN
Denver
Pick dates

Last minute flights from Denver to Phoenix

29 May - 31 May $ 233.00
DEN
Denver
Frontier Airlines
DIRECT
PHX
Phoenix
PHX
Phoenix
Frontier Airlines
DIRECT
DEN
Denver
Pick dates
28 May - 31 May $ 233.00
DEN
Denver
Frontier Airlines
DIRECT
PHX
Phoenix
PHX
Phoenix
Frontier Airlines
DIRECT
DEN
Denver
Pick dates
29 May - 31 May $ 233.00
DEN
Denver
Frontier Airlines
DIRECT
PHX
Phoenix
PHX
Phoenix
Frontier Airlines
DIRECT
DEN
Denver
Pick dates

One-way flights to Phoenix from Denver

10:34 PM - 10:34 PM
Frontier Airlines
0 Stops
1h 55m
DEN - PHX
$ 86
Kiwi
Pick dates
10:34 PM - 10:34 PM
Frontier Airlines
0 Stops
1h 55m
DEN - PHX
$ 86
Kiwi
Pick dates
6:45 AM - 6:45 AM
Frontier Airlines
0 Stops
1h 59m
DEN - PHX
$ 86
Kiwi
Pick dates

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

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