Earn point on your loyalty program!arrow arc left

Cheap flights from Chicago (CHI) 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 Chicago (CHI) to Phoenix (PHX)

How to find the cheapest flight from Chicago (CHI) 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 Chicago (CHI) 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 Chicago (CHI) 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 Chicago to Phoenix in August , September 2026

26 Aug - 16 Sep $ 148.00
CHI
Chicago
Allegiant Air
DIRECT
PHX
Phoenix
PHX
Phoenix
Allegiant Air
DIRECT
CHI
Chicago
Pick dates
24 Aug - 09 Sep $ 298.00
CHI
Chicago
Frontier Airlines
1 STOPS
PHX
Phoenix
PHX
Phoenix
Frontier Airlines
1 STOPS
CHI
Chicago
Pick dates
17 Aug - 15 Sep $ 487.00
CHI
Chicago
United Airlines
DIRECT
PHX
Phoenix
PHX
Phoenix
United Airlines
DIRECT
CHI
Chicago
Pick dates

Last minute flights from Chicago to Phoenix

26 Aug - 31 Aug $ 174.00
CHI
Chicago
Allegiant Air
DIRECT
PHX
Phoenix
PHX
Phoenix
Allegiant Air
DIRECT
CHI
Chicago
Pick dates
25 Aug - 31 Aug $ 296.00
CHI
Chicago
Allegiant Air
1 STOPS
PHX
Phoenix
PHX
Phoenix
Allegiant Air
DIRECT
CHI
Chicago
Pick dates
22 Aug - 31 Aug $ 581.00
CHI
Chicago
United Airlines
DIRECT
PHX
Phoenix
PHX
Phoenix
United Airlines
DIRECT
CHI
Chicago
Pick dates

One-way flights to Phoenix from Chicago

2:13 PM - 2:13 PM
Allegiant Air
0 Stops
3h 20m
CHI - PHX
$ 88
Kiwi
Pick dates
3:43 PM - 7:00 PM
Alaska Airlines
1 Stops
8h 17m
CHI - PHX
$ 191
Kiwi
Pick dates
1:25 PM - 1:25 PM
United Airlines
0 Stops
3h 50m
CHI - PHX
$ 221
Kiwi
Pick dates

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