September is by far the best month, wherein you can get cheapest flights for Chicago to Phoenix. Meanwhile, is perceived as the expensive month due to the varying factors. That’s why it’s highly advised to make advanced online flight booking to save huge amounts of money.
Disclaimer - All the mentioned fares were found within last 48 hrs. The displayed fares are based on historical data and are subject to change. The fares cannot be guaranteed at the time of booking.
ORD
22:10
Chicago Chicago O Hare International Airport
Mon , 15 Sep 2025
PHX
23:55
Phoenix Phoenix Sky Harbor International Airport
Mon, 15 Sep 2025
ORD
07:30
Chicago Chicago O Hare International Airport
Mon , 15 Sep 2025
PHX
09:19
Phoenix Phoenix Sky Harbor International Airport
Mon, 15 Sep 2025
ORD
14:07
Chicago Chicago O Hare International Airport
Mon , 15 Sep 2025
PHX
20:25
Phoenix Phoenix Sky Harbor International Airport
Mon, 15 Sep 2025
ORD
22:10
Chicago Chicago O Hare International Airport
Wed , 17 Sep 2025
PHX
23:55
Phoenix Phoenix Sky Harbor International Airport
Wed, 17 Sep 2025
ORD
12:50
Chicago Chicago O Hare International Airport
Wed , 17 Sep 2025
PHX
14:39
Phoenix Phoenix Sky Harbor International Airport
Wed, 17 Sep 2025
ORD
22:10
Chicago Chicago O Hare International Airport
Tue , 16 Sep 2025
PHX
23:55
Phoenix Phoenix Sky Harbor International Airport
Tue, 16 Sep 2025
ORD
12:50
Chicago Chicago O Hare International Airport
Tue , 16 Sep 2025
PHX
14:39
Phoenix Phoenix Sky Harbor International Airport
Tue, 16 Sep 2025
ORD
14:07
Chicago Chicago O Hare International Airport
Wed , 17 Sep 2025
PHX
20:25
Phoenix Phoenix Sky Harbor International Airport
Wed, 17 Sep 2025
ORD
06:20
Chicago Chicago O Hare International Airport
Tue , 16 Sep 2025
PHX
12:54
Phoenix Phoenix Sky Harbor International Airport
Tue, 16 Sep 2025
ORD
06:20
Chicago Chicago O Hare International Airport
Tue , 16 Sep 2025
PHX
12:54
Phoenix Phoenix Sky Harbor International Airport
Tue, 16 Sep 2025
ORD
06:20
Chicago Chicago O Hare International Airport
Wed , 17 Sep 2025
PHX
12:54
Phoenix Phoenix Sky Harbor International Airport
Wed, 17 Sep 2025