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Cheap flights from Chicago to Phoenix from $123

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Phoenix departing on 10/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Chicago to Phoenix

Cheap round-trip flights

Enter your travel dates to find the best prices.
Allegiant Air Logo
12:33 pm - 3:18 pmRFD  Chicago Greater Rockford-AZA Phoenix-Mesa Gateway
3h 45mnonstop
Allegiant Air Logo
7:30 am - 11:43 amAZA  Phoenix-Mesa Gateway-RFD Chicago Greater Rockford
3h 13mnonstop
$246Allegiant Air
Fri, Jan 15 - Mon, Jan 18
Allegiant Air Logo
1:13 pm - 3:58 pmRFD  Chicago Greater Rockford-AZA Phoenix-Mesa Gateway
3h 45mnonstop
Allegiant Air Logo
7:30 am - 11:43 amAZA  Phoenix-Mesa Gateway-RFD Chicago Greater Rockford
3h 13mnonstop
$246Allegiant Air
Fri, Jan 8 - Mon, Jan 18
Allegiant Air Logo
12:33 pm - 3:18 pmRFD  Chicago Greater Rockford-AZA Phoenix-Mesa Gateway
3h 45mnonstop
Allegiant Air Logo
7:30 am - 11:43 amAZA  Phoenix-Mesa Gateway-RFD Chicago Greater Rockford
3h 13mnonstop
$246Allegiant Air
Fri, Jan 15 - Mon, Jan 18
Allegiant Air Logo
12:33 pm - 3:18 pmRFD  Chicago Greater Rockford-AZA Phoenix-Mesa Gateway
3h 45mnonstop
Allegiant Air Logo
7:30 am - 11:43 amAZA  Phoenix-Mesa Gateway-RFD Chicago Greater Rockford
3h 13mnonstop
$246Allegiant Air
Fri, Jan 15 - Mon, Jan 18
Allegiant Air Logo
4:01 pm - 6:45 pmRFD  Chicago Greater Rockford-AZA Phoenix-Mesa Gateway
3h 44mnonstop
Allegiant Air Logo
2:57 pm - 7:05 pmAZA  Phoenix-Mesa Gateway-RFD Chicago Greater Rockford
3h 08mnonstop
$246Allegiant Air
Wed, Dec 9 - Fri, Dec 18
Allegiant Air Logo
12:09 pm - 1:34 pmRFD  Chicago Greater Rockford-AZA Phoenix-Mesa Gateway
3h 25mnonstop
Allegiant Air Logo
7:40 am - 12:49 pmAZA  Phoenix-Mesa Gateway-RFD Chicago Greater Rockford
3h 09mnonstop
$246Allegiant Air
Fri, Sep 4 - Mon, Sep 7
Allegiant Air Logo
12:09 pm - 1:34 pmRFD  Chicago Greater Rockford-AZA Phoenix-Mesa Gateway
3h 25mnonstop
Allegiant Air Logo
7:40 am - 12:49 pmAZA  Phoenix-Mesa Gateway-RFD Chicago Greater Rockford
3h 09mnonstop
$246Allegiant Air
Fri, Sep 4 - Mon, Sep 7
Allegiant Air Logo
8:58 pm - 10:29 pmRFD  Chicago Greater Rockford-AZA Phoenix-Mesa Gateway
3h 31mnonstop
Allegiant Air Logo
7:30 am - 12:37 pmAZA  Phoenix-Mesa Gateway-RFD Chicago Greater Rockford
3h 07mnonstop
$246Allegiant Air
Sat, Oct 10 - Mon, Oct 12
Multiple Airlines Logo
8:58 pm - 10:29 pmRFD  Chicago Greater Rockford-AZA Phoenix-Mesa Gateway
3h 31mnonstop
Multiple Airlines Logo
10:14 am - 7:54 amAZA  Phoenix-Mesa Gateway-RFD Chicago Greater Rockford
43h 40m2 stops Cincinnati Cinci./N. Kentucky Orlando
$286Multiple Airlines
Sat, Oct 3 - Wed, Oct 21
Multiple Airlines Logo
6:31 pm - 9:24 amRFD  Chicago Greater Rockford-AZA Phoenix-Mesa Gateway
40h 53m2 stops Tampa St. Petersburg Cincinnati Cinci./N. Kentucky
Multiple Airlines Logo
7:30 am - 12:37 pmAZA  Phoenix-Mesa Gateway-RFD Chicago Greater Rockford
3h 07mnonstop
$305Multiple Airlines
Mon, Oct 5 - Mon, Oct 19

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Allegiant Air flights from Chicago to Phoenix-Mesa Gateway Airport

Our best Allegiant Air deals on Chicago to Phoenix-Mesa Gateway Airport flight tickets
Allegiant Air
Sep 4
RFD12:09 pmChicago Greater Rockford
3h 25m
AZA1:34 pmPhoenix-Mesa Gateway
Sep 7
AZA7:40 amPhoenix-Mesa Gateway
3h 09m
RFD12:49 pmChicago Greater Rockford
$246
Allegiant Air
Sep 21
RFD8:44 pmChicago Greater Rockford
3h 25m
AZA10:09 pmPhoenix-Mesa Gateway
Sep 25
AZA1:02 pmPhoenix-Mesa Gateway
3h 09m
RFD6:11 pmChicago Greater Rockford
$247
Allegiant Air
Oct 7
RFD2:07 pmChicago Greater Rockford
3h 31m
AZA3:38 pmPhoenix-Mesa Gateway
Oct 14
AZA8:10 amPhoenix-Mesa Gateway
3h 07m
RFD1:17 pmChicago Greater Rockford
$250

Sun Country Air flights from Chicago to Phoenix-Mesa Gateway Airport

Our best Sun Country Air deals on Chicago to Phoenix-Mesa Gateway Airport flight tickets
Sun Country Air
Oct 29
ORD7:18 pmChicago O'Hare Intl
22h 35m
1 stop
AZA3:53 pmPhoenix-Mesa Gateway
Nov 1
AZA5:34 pmPhoenix-Mesa Gateway
16h 07m
1 stop
ORD10:41 amChicago O'Hare Intl
$395
Sun Country Air
Oct 8
ORD7:45 pmChicago O'Hare Intl
21h 53m
1 stop
AZA3:38 pmPhoenix-Mesa Gateway
Oct 11
AZA3:53 pmPhoenix-Mesa Gateway
16h 45m
1 stop
ORD10:38 amChicago O'Hare Intl
$405
Sun Country Air
Oct 22
ORD7:45 pmChicago O'Hare Intl
22h 13m
1 stop
AZA3:58 pmPhoenix-Mesa Gateway
Oct 25
AZA4:28 pmPhoenix-Mesa Gateway
16h 10m
1 stop
ORD10:38 amChicago O'Hare Intl
$415

momondo Fare Finder

 
Customize your flight search to find flights from Chicago to Phoenix-Mesa Gateway Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 7, 2026.
Use the filters below to find and compare flights from Chicago to Phoenix-Mesa Gateway Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoPhoenix

RFD Chicago Greater Rockford - AZA Phoenix-Mesa Gateway

RFDAZA

Chicago Greater Rockford

Fri 1/15

12:33 pm-3:18 pm

Nonstop3h 45m

Phoenix-Mesa Gateway

Mon 1/18

7:30 am-11:43 am

Nonstop3h 13m

$246

ChicagoPhoenix

RFD Chicago Greater Rockford - AZA Phoenix-Mesa Gateway

RFDAZA

Chicago Greater Rockford

Fri 1/8

1:13 pm-3:58 pm

Nonstop3h 45m

Phoenix-Mesa Gateway

Mon 1/18

7:30 am-11:43 am

Nonstop3h 13m

$246

ChicagoPhoenix

RFD Chicago Greater Rockford - AZA Phoenix-Mesa Gateway

RFDAZA

Chicago Greater Rockford

Fri 1/15

12:33 pm-3:18 pm

Nonstop3h 45m

Phoenix-Mesa Gateway

Mon 1/18

7:30 am-11:43 am

Nonstop3h 13m

$246

ChicagoPhoenix

RFD Chicago Greater Rockford - AZA Phoenix-Mesa Gateway

RFDAZA

Chicago Greater Rockford

Fri 1/15

12:33 pm-3:18 pm

Nonstop3h 45m

Phoenix-Mesa Gateway

Mon 1/18

7:30 am-11:43 am

Nonstop3h 13m

$246

ChicagoPhoenix

RFD Chicago Greater Rockford - AZA Phoenix-Mesa Gateway

RFDAZA

Chicago Greater Rockford

Wed 12/9

4:01 pm-6:45 pm

Nonstop3h 44m

Phoenix-Mesa Gateway

Fri 12/18

2:57 pm-7:05 pm

Nonstop3h 08m

$246
Quickest round-trip

ChicagoPhoenix

RFD Chicago Greater Rockford - AZA Phoenix-Mesa Gateway

RFDAZA

Chicago Greater Rockford

Fri 9/4

12:09 pm-1:34 pm

Nonstop3h 25m

Phoenix-Mesa Gateway

Mon 9/7

7:40 am-12:49 pm

Nonstop3h 09m

$246

ChicagoPhoenix

RFD Chicago Greater Rockford - AZA Phoenix-Mesa Gateway

RFDAZA

Chicago Greater Rockford

Fri 9/4

12:09 pm-1:34 pm

Nonstop3h 25m

Phoenix-Mesa Gateway

Mon 9/7

7:40 am-12:49 pm

Nonstop3h 09m

$246

ChicagoPhoenix

RFD Chicago Greater Rockford - AZA Phoenix-Mesa Gateway

RFDAZA

Chicago Greater Rockford

Sat 10/10

8:58 pm-10:29 pm

Nonstop3h 31m

Phoenix-Mesa Gateway

Mon 10/12

7:30 am-12:37 pm

Nonstop3h 07m

$246

ChicagoPhoenix

RFD Chicago Greater Rockford - AZA Phoenix-Mesa Gateway

RFDAZA

Chicago Greater Rockford

Sat 10/3

8:58 pm-10:29 pm

Nonstop3h 31m

Phoenix-Mesa Gateway

Wed 10/21

10:14 am-7:54 am

2 stops43h 40m

$286

ChicagoPhoenix

RFD Chicago Greater Rockford - AZA Phoenix-Mesa Gateway

RFDAZA

Chicago Greater Rockford

Mon 10/5

6:31 pm-9:24 am

2 stops40h 53m

Phoenix-Mesa Gateway

Mon 10/19

7:30 am-12:37 pm

Nonstop3h 07m

$305

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Chicago to Phoenix-Mesa Gateway Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Phoenix-Mesa Gateway Airport?

The month of August is, on average, the cheapest month to fly to Phoenix-Mesa Gateway Airport from Chicago, with most prices found around $158. If you aren’t able to travel to Phoenix-Mesa Gateway Airport during the month of August, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $169.

What is the cheapest day to depart on your flight to Phoenix-Mesa Gateway Airport?

The cheapest day to depart from Chicago to Phoenix-Mesa Gateway Airport is on a Thursday. Travelers who choose to depart for Phoenix-Mesa Gateway Airport on a Thursday will often find tickets for as low as $159. On the other hand, Sunday is the most expensive day to depart from Chicago because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $466.

What is the cheapest time of day to depart on your flight to Phoenix-Mesa Gateway Airport?

Flying to Phoenix-Mesa Gateway Airport from Chicago at noon is the least expensive time of day to depart. momondo users have found prices as low as $202 when looking at flights departing at noon. In contrast, the most expensive time of day to depart to Phoenix-Mesa Gateway Airport is in the morning when prices are around $256.

What is the cheapest Chicago to Phoenix-Mesa Gateway flight route?

Fly from Chicago Greater Rockford to Phoenix-Mesa Gateway for the best Chicago - Phoenix-Mesa Gateway flight prices

What cabin class options are available on Chicago to Phoenix-Mesa Gateway Airport flights?

There is only 1 cabin class available to choose from on Chicago to Phoenix-Mesa Gateway Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

When to book flights from Chicago to Phoenix-Mesa Gateway Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to Phoenix-Mesa Gateway Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago to Phoenix-Mesa Gateway Airport (CHI to AZA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Phoenix-Mesa Gateway Airport

Best Price Found

$89

Fastest flight time

3h 20m

Direct flights

Tue, Thu, Sat and Sun
The best one-way flight to Phoenix-Mesa Gateway Airport from Chicago in the past 72 hours is $89. The best round-trip flight deal from Chicago to Phoenix-Mesa Gateway Airport found on momondo in the last 72 hours is $159.
The fastest flight from Chicago to Phoenix-Mesa Gateway Airport takes 3h 20m
Direct flights go from Chicago to Phoenix-Mesa Gateway Airport on Tuesday, Thursday, Saturday and Sunday. The only airline offering direct flights is Allegiant Air.
Search flight deals

Frequently asked questions about flying from Chicago to Phoenix-Mesa Gateway Airport

  • How far is Chicago to Phoenix-Mesa Gateway by plane?

    The distance between Chicago and Phoenix-Mesa Gateway is about 1435.8 mi. In terms of flight time, this usually takes a little over 3h 20m.

  • When did momondo last update prices for flights from Chicago to Phoenix-Mesa Gateway Airport?

    Prices for flights from Chicago to Phoenix-Mesa Gateway Airport were last updated today.

  • How many operators does momondo search for flights from Chicago to Phoenix-Mesa Gateway Airport?

  • How old do you have to be to fly from Chicago to Phoenix-Mesa Gateway Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Phoenix-Mesa Gateway Airport.

  • What documentation or ID do you need to fly to Phoenix-Mesa Gateway Airport?

    The travel and health documents required for your trip to Phoenix-Mesa Gateway Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Phoenix-Mesa Gateway Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Chicago to Phoenix-Mesa Gateway Airport?

  • What is the most popular airline from Chicago to Phoenix-Mesa Gateway Airport?

Best airlines flying from Chicago to Phoenix-Mesa Gateway Airport

Compare and see reviews for airlines that fly from Chicago to Phoenix-Mesa Gateway Airport with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $66Free CancellationRating
5.6
2,723 reviews
Search Frontier flights
Allegiant AirPriceFrom $131Free CancellationRating
7.3
679 reviews
Search Allegiant Air flights

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Phoenix?

It is quick and easy to find Chicago to Phoenix flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Phoenix that suits you.

Can I find flights from Chicago to Phoenix with flexible booking policies on momondo?

momondo does allow users to show only those flights to Phoenix from Chicago which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Chicago to Phoenix?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Chicago to Phoenix.

I’m not ready to book a flight from Chicago to Phoenix right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Chicago to Phoenix now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Phoenix and let you know when they change.

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