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Cheap flights from Chicago to Phoenix from $78

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 4/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

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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
$134Allegiant Air
Mon, Apr 27 - Mon, May 4
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
$139Allegiant Air
Mon, Apr 27 - Mon, May 4
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
$140Allegiant Air
Fri, May 1 - Fri, May 8
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
$150Allegiant Air
Fri, May 1 - Mon, May 4
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
$153Allegiant Air
Mon, May 4 - Mon, May 11
Allegiant Air Logo
7:51 pm - 10:39 pm
RFD
-
AZA
3h 48mnonstop
Allegiant Air Logo
7:10 am - 11:10 am
AZA
-
RFD
3h 00mnonstop
$161Allegiant Air
Mon, Feb 16 - Sat, Feb 21
Allegiant Air Logo
8:35 pm - 10:09 pm
RFD
-
AZA
3h 34mnonstop
Allegiant Air Logo
9:00 am - 2:01 pm
AZA
-
RFD
3h 01mnonstop
$168Allegiant Air
Mon, Apr 20 - Wed, Apr 29
Multiple Airlines Logo
8:55 pm - 10:21 am
ORD
-
AZA
15h 26m
1 stop
Multiple Airlines Logo
4:59 pm - 6:08 am
AZA
-
ORD
11h 09m
1 stop
$320Multiple Airlines
Tue, Mar 24 - Sat, Mar 28
Sun Country Air Logo
7:05 pm - 9:30 am
ORD
-
AZA
16h 25m
1 stop
Sun Country Air Logo
6:23 pm - 6:21 pm
AZA
-
ORD
21h 58m
1 stop
$340Sun 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
5:10 pm - 10:51 am
AZA
-
ORD
15h 41m
1 stop
$373Sun Country Air
Fri, Apr 10 - Sun, Apr 12

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
Apr 27
RFD8:35 pmChicago Greater Rockford
3h 34m
AZA10:09 pmPhoenix-Mesa Gateway
May 4
AZA2:44 pmPhoenix-Mesa Gateway
3h 01m
RFD7:45 pmChicago Greater Rockford
$134
Allegiant Air
Apr 27
RFD8:35 pmChicago Greater Rockford
3h 34m
AZA10:09 pmPhoenix-Mesa Gateway
May 4
AZA2:44 pmPhoenix-Mesa Gateway
3h 01m
RFD7:45 pmChicago Greater Rockford
$139
Allegiant Air
May 1
RFD8:35 pmChicago Greater Rockford
3h 34m
AZA10:09 pmPhoenix-Mesa Gateway
May 8
AZA2:44 pmPhoenix-Mesa Gateway
3h 01m
RFD7:45 pmChicago Greater Rockford
$140

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 10
ORD7:05 pmChicago O'Hare Intl
16h 25m
1 stop
AZA9:30 amPhoenix-Mesa Gateway
Apr 15
AZA6:23 pmPhoenix-Mesa Gateway
21h 58m
1 stop
ORD6:21 pmChicago O'Hare Intl
$340
Sun Country Air
Apr 10
ORD7:05 pmChicago O'Hare Intl
16h 25m
1 stop
AZA9:30 amPhoenix-Mesa Gateway
Apr 12
AZA5:10 pmPhoenix-Mesa Gateway
15h 41m
1 stop
ORD10:51 amChicago O'Hare Intl
$373
Sun Country Air
Apr 9
ORD7:05 pmChicago O'Hare Intl
24h 13m
1 stop
AZA5:18 pmPhoenix-Mesa Gateway
Apr 16
AZA5:25 pmPhoenix-Mesa Gateway
23h 02m
1 stop
ORD6:27 pmChicago O'Hare Intl
$380

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 January 29, 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

ChicagoPhoenix

RFD - AZA

RFDAZA

Chicago Greater Rockford

Mon 4/27

8:35 pm-10:09 pm

Nonstop3h 34m

Phoenix-Mesa Gateway

Mon 5/4

2:44 pm-7:45 pm

Nonstop3h 01m

$134

ChicagoPhoenix

RFD - AZA

RFDAZA

Chicago Greater Rockford

Mon 4/27

8:35 pm-10:09 pm

Nonstop3h 34m

Phoenix-Mesa Gateway

Mon 5/4

2:44 pm-7:45 pm

Nonstop3h 01m

$139

ChicagoPhoenix

RFD - AZA

RFDAZA

Chicago Greater Rockford

Fri 5/1

8:35 pm-10:09 pm

Nonstop3h 34m

Phoenix-Mesa Gateway

Fri 5/8

2:44 pm-7:45 pm

Nonstop3h 01m

$140

ChicagoPhoenix

RFD - AZA

RFDAZA

Chicago Greater Rockford

Fri 5/1

8:35 pm-10:09 pm

Nonstop3h 34m

Phoenix-Mesa Gateway

Mon 5/4

2:44 pm-7:45 pm

Nonstop3h 01m

$150

ChicagoPhoenix

RFD - AZA

RFDAZA

Chicago Greater Rockford

Mon 5/4

8:35 pm-10:09 pm

Nonstop3h 34m

Phoenix-Mesa Gateway

Mon 5/11

2:44 pm-7:45 pm

Nonstop3h 01m

$153

ChicagoPhoenix

RFD - AZA

RFDAZA

Chicago Greater Rockford

Mon 2/16

7:51 pm-10:39 pm

Nonstop3h 48m

Phoenix-Mesa Gateway

Sat 2/21

7:10 am-11:10 am

Nonstop3h 00m

$161

ChicagoPhoenix

RFD - AZA

RFDAZA

Chicago Greater Rockford

Mon 4/20

8:35 pm-10:09 pm

Nonstop3h 34m

Phoenix-Mesa Gateway

Wed 4/29

9:00 am-2:01 pm

Nonstop3h 01m

$168

ChicagoPhoenix

ORD - AZA

ORDAZA

Chicago O'Hare Intl

Tue 3/24

8:55 pm-10:21 am

1 stop15h 26m

Phoenix-Mesa Gateway

Sat 3/28

4:59 pm-6:08 am

1 stop11h 09m

$320

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-6:21 pm

1 stop21h 58m

$340

ChicagoPhoenix

ORD - AZA

ORDAZA

Chicago O'Hare Intl

Fri 4/10

7:05 pm-9:30 am

1 stop16h 25m

Phoenix-Mesa Gateway

Sun 4/12

5:10 pm-10:51 am

1 stop15h 41m

$373

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 Tuesday. Travelers who choose to depart for Phoenix-Mesa Gateway Airport on a Tuesday will often find tickets for as low as $118. 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 $444.

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 $181 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 $258.

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

$168

Fastest flight time

3h 22m

Direct flights

Tue, Thu, Sat and Sun
The best flight deal from Chicago to Phoenix-Mesa Gateway Airport found on momondo in the last 72 hours is $168
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. There are no airlines offering direct flights.
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 $58Free CancellationRating
5.7
3,056 reviews
Search Frontier flights
Allegiant AirPriceFrom $118Free CancellationRating
7.2
706 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 1 time per week, with 706 momondo users rating the airline 7.2/10. The cheapest Allegiant Air deal from Chicago to Phoenix-Mesa Gateway Airport in the last 72 hours was $118 (round-trip), much lower than the average airfare cost of $217 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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