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 September , October 2026

28 Sep - 28 Oct $ 209.00
CHI
Chicago
Allegiant Air
DIRECT
PHX
Phoenix
PHX
Phoenix
Allegiant Air
DIRECT
CHI
Chicago
Pick dates
16 Sep - 09 Oct $ 289.00
CHI
Chicago
Frontier Airlines
1 STOPS
PHX
Phoenix
PHX
Phoenix
Frontier Airlines
DIRECT
CHI
Chicago
Pick dates
09 Sep - 19 Oct $ 454.00
CHI
Chicago
United Airlines
DIRECT
PHX
Phoenix
PHX
Phoenix
United Airlines
DIRECT
CHI
Chicago
Pick dates

Last minute flights from Chicago to Phoenix

16 Sep - 30 Sep $ 293.00
CHI
Chicago
Frontier Airlines
1 STOPS
PHX
Phoenix
PHX
Phoenix
Frontier Airlines
1 STOPS
CHI
Chicago
Pick dates
28 Sep - 30 Sep $ 294.00
CHI
Chicago
Allegiant Air
DIRECT
PHX
Phoenix
PHX
Phoenix
Allegiant Air
DIRECT
CHI
Chicago
Pick dates
16 Sep - 30 Sep $ 454.00
CHI
Chicago
United Airlines
DIRECT
PHX
Phoenix
PHX
Phoenix
United Airlines
DIRECT
CHI
Chicago
Pick dates

One-way flights to Phoenix from Chicago

1:56 PM - 1:56 PM
United Airlines
0 Stops
3h 47m
CHI - PHX
$ 134
Kiwi
Pick dates
6:30 AM - 11:33 AM
Frontier Airlines
1 Stops
8h 5m
CHI - PHX
$ 178
Kiwi
Pick dates
1:30 PM - 1:30 PM
United Airlines
0 Stops
3h 50m
CHI - PHX
$ 231
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.