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Cheap flights from Chicago to Phoenix from $89

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 5/15. 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

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Allegiant Air Logo
8:35 pm - 10:09 pm
RFD
-
AZA
3h 34mnonstop
Allegiant Air Logo
2:44 pm - 7:45 pm
AZA
-
RFD
3h 01mnonstop
$170Allegiant Air
Mon, May 11 - Fri, May 15
Allegiant Air Logo
2:51 pm - 4:25 pm
RFD
-
AZA
3h 34mnonstop
Allegiant Air Logo
2:44 pm - 7:45 pm
AZA
-
RFD
3h 01mnonstop
$172Allegiant Air
Wed, May 6 - Fri, May 8
Allegiant Air Logo
9:13 pm - 10:48 pm
RFD
-
AZA
3h 35mnonstop
Allegiant Air Logo
7:05 am - 12:14 pm
AZA
-
RFD
3h 09mnonstop
$175Allegiant Air
Fri, May 29 - Sat, Jun 27
Allegiant Air Logo
8:35 pm - 10:09 pm
RFD
-
AZA
3h 34mnonstop
Allegiant Air Logo
2:44 pm - 7:45 pm
AZA
-
RFD
3h 01mnonstop
$178Allegiant Air
Mon, Apr 27 - Fri, May 1
Allegiant Air Logo
8:50 pm - 10:14 pm
RFD
-
AZA
3h 24mnonstop
Allegiant Air Logo
3:11 pm - 8:20 pm
AZA
-
RFD
3h 09mnonstop
$179Allegiant Air
Wed, Jun 10 - Mon, Jun 15
Allegiant Air Logo
1:01 pm - 2:36 pm
RFD
-
AZA
3h 35mnonstop
Allegiant Air Logo
3:17 pm - 8:23 pm
AZA
-
RFD
3h 06mnonstop
$180Allegiant Air
Sat, May 30 - Mon, Jun 1
Multiple Airlines Logo
7:50 pm - 5:25 pm
ORD
-
AZA
23h 35m
1 stop
Multiple Airlines Logo
10:00 am - 6:08 am
AZA
-
ORD
18h 08m
2 stops
$393Multiple Airlines
Thu, Apr 16 - Thu, Apr 23
Sun Country Air Logo
7:27 pm - 9:42 am
ORD
-
AZA
16h 15m
1 stop
Sun Country Air Logo
6:23 pm - 6:18 pm
AZA
-
ORD
21h 55m
1 stop
$417Sun Country Air
Fri, Apr 17 - Wed, Apr 22
Sun Country Air Logo
7:05 pm - 9:30 am
ORD
-
AZA
16h 25m
1 stop
Sun Country Air Logo
6:23 pm - 6:54 pm
AZA
-
ORD
22h 31m
1 stop
$437Sun Country Air
Fri, Apr 10 - Wed, Apr 15
Sun Country Air Logo
7:05 pm - 9:30 am
ORD
-
AZA
16h 25m
1 stop
Sun Country Air Logo
5:35 pm - 12:00 pm
AZA
-
ORD
16h 25m
1 stop
$457Sun Country Air
Fri, Apr 10 - Thu, Apr 16

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
May 11
RFD8:35 pmChicago Greater Rockford
3h 34m
AZA10:09 pmPhoenix-Mesa Gateway
May 15
AZA2:44 pmPhoenix-Mesa Gateway
3h 01m
RFD7:45 pmChicago Greater Rockford
$170
Allegiant Air
May 6
RFD2:51 pmChicago Greater Rockford
3h 34m
AZA4:25 pmPhoenix-Mesa Gateway
May 8
AZA2:44 pmPhoenix-Mesa Gateway
3h 01m
RFD7:45 pmChicago Greater Rockford
$172
Allegiant Air
May 29
RFD9:13 pmChicago Greater Rockford
3h 35m
AZA10:48 pmPhoenix-Mesa Gateway
Jun 27
AZA7:05 amPhoenix-Mesa Gateway
3h 09m
RFD12:14 pmChicago Greater Rockford
$175

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
Apr 17
ORD7:27 pmChicago O'Hare Intl
16h 15m
1 stop
AZA9:42 amPhoenix-Mesa Gateway
Apr 22
AZA6:23 pmPhoenix-Mesa Gateway
21h 55m
1 stop
ORD6:18 pmChicago O'Hare Intl
$417
Sun Country Air
Apr 10
ORD7:05 pmChicago O'Hare Intl
16h 25m
1 stop
AZA9:30 amPhoenix-Mesa Gateway
Apr 15
AZA6:23 pmPhoenix-Mesa Gateway
22h 31m
1 stop
ORD6:54 pmChicago O'Hare Intl
$437
Sun Country Air
Apr 10
ORD7:05 pmChicago O'Hare Intl
16h 25m
1 stop
AZA9:30 amPhoenix-Mesa Gateway
Apr 16
AZA5:35 pmPhoenix-Mesa Gateway
16h 25m
1 stop
ORD12:00 pmChicago O'Hare Intl
$457

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 March 23, 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 - AZA

RFDAZA

Chicago Greater Rockford

Mon 5/11

8:35 pm-10:09 pm

Nonstop3h 34m

Phoenix-Mesa Gateway

Fri 5/15

2:44 pm-7:45 pm

Nonstop3h 01m

$170

ChicagoPhoenix

RFD - AZA

RFDAZA

Chicago Greater Rockford

Wed 5/6

2:51 pm-4:25 pm

Nonstop3h 34m

Phoenix-Mesa Gateway

Fri 5/8

2:44 pm-7:45 pm

Nonstop3h 01m

$172

ChicagoPhoenix

RFD - AZA

RFDAZA

Chicago Greater Rockford

Fri 5/29

9:13 pm-10:48 pm

Nonstop3h 35m

Phoenix-Mesa Gateway

Sat 6/27

7:05 am-12:14 pm

Nonstop3h 09m

$175

ChicagoPhoenix

RFD - AZA

RFDAZA

Chicago Greater Rockford

Mon 4/27

8:35 pm-10:09 pm

Nonstop3h 34m

Phoenix-Mesa Gateway

Fri 5/1

2:44 pm-7:45 pm

Nonstop3h 01m

$178
Quickest round-trip

ChicagoPhoenix

RFD - AZA

RFDAZA

Chicago Greater Rockford

Wed 6/10

8:50 pm-10:14 pm

Nonstop3h 24m

Phoenix-Mesa Gateway

Mon 6/15

3:11 pm-8:20 pm

Nonstop3h 09m

$179

ChicagoPhoenix

RFD - AZA

RFDAZA

Chicago Greater Rockford

Sat 5/30

1:01 pm-2:36 pm

Nonstop3h 35m

Phoenix-Mesa Gateway

Mon 6/1

3:17 pm-8:23 pm

Nonstop3h 06m

$180

ChicagoPhoenix

ORD - AZA

ORDAZA

Chicago O'Hare Intl

Thu 4/16

7:50 pm-5:25 pm

1 stop23h 35m

Phoenix-Mesa Gateway

Thu 4/23

10:00 am-6:08 am

2 stops18h 08m

$393

ChicagoPhoenix

ORD - AZA

ORDAZA

Chicago O'Hare Intl

Fri 4/17

7:27 pm-9:42 am

1 stop16h 15m

Phoenix-Mesa Gateway

Wed 4/22

6:23 pm-6:18 pm

1 stop21h 55m

$417

ChicagoPhoenix

ORD - AZA

ORDAZA

Chicago O'Hare Intl

Fri 4/10

7:05 pm-9:30 am

1 stop16h 25m

Phoenix-Mesa Gateway

Wed 4/15

6:23 pm-6:54 pm

1 stop22h 31m

$437

ChicagoPhoenix

ORD - AZA

ORDAZA

Chicago O'Hare Intl

Fri 4/10

7:05 pm-9:30 am

1 stop16h 25m

Phoenix-Mesa Gateway

Thu 4/16

5:35 pm-12:00 pm

1 stop16h 25m

$457

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 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 in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $219 when looking at flights departing in the afternoon. In contrast, the most expensive time of day to depart to Phoenix-Mesa Gateway Airport is in the morning when prices are around $272.

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 flights?

There is only 1 cabin class available to choose from on Chicago to Phoenix-Mesa Gateway 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

$71

Fastest flight time

3h 22m

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 $71. The best round-trip flight deal from Chicago to Phoenix-Mesa Gateway Airport found on momondo in the last 72 hours is $201.
The fastest flight from Chicago to Phoenix-Mesa Gateway Airport takes 3h 22m
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

  • 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 22m.

  • 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
5.7
3,020 reviews
Search Frontier flights
Allegiant AirPriceFrom $129Free CancellationRating
7.3
710 reviews
Search Allegiant Air flights

  • Allegiant Air Flights From Chicago to Phoenix-Mesa Gateway Airport

    Allegiant Air flies from Chicago to Phoenix-Mesa Gateway Airport around 3 times per week, with 710 momondo users rating the airline 7.3/10. The cheapest Allegiant Air deal from Chicago to Phoenix-Mesa Gateway Airport in the last 72 hours was $129 (round-trip), much lower than the average airfare cost of $242 for Allegiant Air flights on this route.

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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