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Cheap flights from Chicago to Phoenix from $79

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 9/26. 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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Cheap round-trip flights

Frontier Logo
10:56 pm - 12:47 amMDW-PHX
3h 51mnonstop
Frontier Logo
10:59 pm - 9:47 amPHX-MDW
8h 48m1 stop
$142Frontier
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Mon, Oct 20 - Wed, Oct 22
Frontier Logo
8:00 am - 1:17 pmORD-PHX
31h 17m1 stop
Frontier Logo
7:25 am - 12:58 pmPHX-ORD
3h 33mnonstop
$142Frontier
Find Deal
Wed, Oct 8 - Mon, Oct 13
Frontier Logo
8:30 am - 10:23 amMDW-PHX
3h 53mnonstop
Frontier Logo
10:53 pm - 11:30 amPHX-MDW
11h 37m1 stop
$143Frontier
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Thu, Oct 30 - Sun, Nov 2
Frontier Logo
10:51 am - 8:19 pmORD-PHX
11h 28m1 stop
Frontier Logo
7:45 pm - 1:15 amPHX-ORD
3h 30mnonstop
$143Frontier
Find Deal
Sun, Oct 26 - Thu, Oct 30
Allegiant Air Logo
8:04 pm - 10:34 pmRFD-AZA
3h 30mnonstop
Allegiant Air Logo
1:45 pm - 5:50 pmAZA-RFD
3h 05mnonstop
$168Allegiant Air
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Wed, Nov 5 - Fri, Nov 7
Multiple Airlines Logo
6:40 am - 12:06 pmORD-PHX
7h 26m1 stop
Multiple Airlines Logo
4:14 pm - 11:53 pmPHX-ORD
5h 39m1 stop
$169Multiple Airlines
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Tue, Oct 14 - Tue, Oct 21
Allegiant Air Logo
8:47 pm - 10:16 pmRFD-AZA
3h 29mnonstop
Allegiant Air Logo
2:55 pm - 8:05 pmAZA-RFD
3h 10mnonstop
$176Allegiant Air
Find Deal
Fri, Sep 26 - Fri, Oct 3
American Airlines Logo
6:00 am - 9:01 amORD-PHX
4h 01mnonstop
American Airlines Logo
12:45 am - 5:05 amPHX-ORD
3h 20mnonstop
$179American Airlines
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Fri, Feb 20 - Fri, Feb 20
Southwest Logo
10:10 am - 12:00 pmMDW-PHX
3h 50mnonstop
Southwest Logo
5:20 am - 9:35 amPHX-MDW
3h 15mnonstop
$196Southwest
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Fri, Oct 31 - Fri, Nov 7
Multiple Airlines Logo
6:35 am - 11:02 amORD-AZA
30h 27m2 stops
Multiple Airlines Logo
9:00 am - 6:25 amAZA-ORD
20h 25m2 stops
$404Multiple Airlines
Find Deal
Fri, Oct 31 - Thu, Nov 6

Frontier flights from Chicago to Phoenix

Our best Frontier deals on Chicago to Phoenix flight tickets
Frontier
Oct 20
MDW10:56 pmChicago Midway
3h 51m
PHX12:47 amPhoenix Sky Harbor Intl
Oct 22
PHX10:59 pmPhoenix Sky Harbor Intl
8h 48m
1 stop
MDW9:47 amChicago Midway
$142
Find similar
Frontier
Oct 26
ORD10:51 amChicago O'Hare Intl
11h 28m
1 stop
PHX8:19 pmPhoenix Sky Harbor Intl
Oct 30
PHX7:45 pmPhoenix Sky Harbor Intl
3h 30m
ORD1:15 amChicago O'Hare Intl
$143
Find similar
Frontier
Oct 20
MDW5:20 pmChicago Midway
7h 12m
1 stop
PHX10:32 pmPhoenix Sky Harbor Intl
Oct 22
PHX10:59 pmPhoenix Sky Harbor Intl
8h 48m
1 stop
MDW9:47 amChicago Midway
$147
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Allegiant Air flights from Chicago to Phoenix

Our best Allegiant Air deals on Chicago to Phoenix flight tickets
Allegiant Air
Nov 5
RFD8:04 pmChicago Greater Rockford
3h 30m
AZA10:34 pmPhoenix-Mesa Gateway
Nov 7
AZA1:45 pmPhoenix-Mesa Gateway
3h 05m
RFD5:50 pmChicago Greater Rockford
$168
Find similar
Allegiant Air
Sep 26
RFD8:47 pmChicago Greater Rockford
3h 29m
AZA10:16 pmPhoenix-Mesa Gateway
Oct 3
AZA2:55 pmPhoenix-Mesa Gateway
3h 10m
RFD8:05 pmChicago Greater Rockford
$176
Find similar
Allegiant Air
Oct 31
RFD9:25 pmChicago Greater Rockford
3h 31m
AZA10:56 pmPhoenix-Mesa Gateway
Nov 7
AZA1:45 pmPhoenix-Mesa Gateway
3h 05m
RFD5:50 pmChicago Greater Rockford
$177
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chicago to Phoenix 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 September 16, 2025.
Use the filters below to find and compare flights from Chicago to Phoenix that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoPhoenix

MDW - PHX

MDWPHX

Chicago Midway

Mon 10/20

10:56 pm-12:47 am

Nonstop3h 51m

Phoenix Sky Harbor Intl

Wed 10/22

10:59 pm-9:47 am

1 stop8h 48m

$142

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Wed 10/8

8:00 am-1:17 pm

1 stop31h 17m

Phoenix Sky Harbor Intl

Mon 10/13

7:25 am-12:58 pm

Nonstop3h 33m

$142

ChicagoPhoenix

MDW - PHX

MDWPHX

Chicago Midway

Thu 10/30

8:30 am-10:23 am

Nonstop3h 53m

Phoenix Sky Harbor Intl

Sun 11/2

10:53 pm-11:30 am

1 stop11h 37m

$143

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Sun 10/26

10:51 am-8:19 pm

1 stop11h 28m

Phoenix Sky Harbor Intl

Thu 10/30

7:45 pm-1:15 am

Nonstop3h 30m

$143

ChicagoPhoenix

RFD - AZA

RFDAZA

Chicago Greater Rockford

Wed 11/5

8:04 pm-10:34 pm

Nonstop3h 30m

Phoenix-Mesa Gateway

Fri 11/7

1:45 pm-5:50 pm

Nonstop3h 05m

$168

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Tue 10/14

6:40 am-12:06 pm

1 stop7h 26m

Phoenix Sky Harbor Intl

Tue 10/21

4:14 pm-11:53 pm

1 stop5h 39m

$169

ChicagoPhoenix

RFD - AZA

RFDAZA

Chicago Greater Rockford

Fri 9/26

8:47 pm-10:16 pm

Nonstop3h 29m

Phoenix-Mesa Gateway

Fri 10/3

2:55 pm-8:05 pm

Nonstop3h 10m

$176

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Fri 2/20

6:00 am-9:01 am

Nonstop4h 01m

Phoenix Sky Harbor Intl

Fri 2/20

12:45 am-5:05 am

Nonstop3h 20m

$179

ChicagoPhoenix

MDW - PHX

MDWPHX

Chicago Midway

Fri 10/31

10:10 am-12:00 pm

Nonstop3h 50m

Phoenix Sky Harbor Intl

Fri 11/7

5:20 am-9:35 am

Nonstop3h 15m

$196

ChicagoPhoenix

ORD - AZA

ORDAZA

Chicago O'Hare Intl

Fri 10/31

6:35 am-11:02 am

2 stops30h 27m

Phoenix-Mesa Gateway

Thu 11/6

9:00 am-6:25 am

2 stops20h 25m

$404

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Phoenix from

How to get the cheapest flight ticket from Chicago to Phoenix

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 typical price of a round-trip flight between Chicago and Phoenix?

What is the cheapest month to fly to Phoenix?

If you are unable to visit Phoenix during the month of September, then departing from Chicago during the month August is also very affordable. Most momondo users find prices during this month for around $229.

What is the cheapest day to depart on your flight to Phoenix?

On average, the least expensive day to fly to Phoenix from Chicago is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $305. However, this price may fluctuate depending on the airline, the season, and holidays. 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 $391.

What is the cheapest time of day to depart on your flight to Phoenix?

The cheapest time of day to fly to Phoenix is in the evening when flights can be purchased for as low as $283. In the morning is when there is more demand to fly to Phoenix, so prices are often more expensive at around $358 per ticket.

What is the cheapest Chicago to Phoenix flight route?

Fly from Chicago O'Hare Intl to Phoenix Sky Harbor Intl for the best Chicago - Phoenix flight prices

How far in advance should I book a flight to Phoenix?

You are more likely to see cheaper flights to Phoenix from Chicago when booking weeks ahead of your departure date. In general, you can expect to find flights to Phoenix for around $292 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Phoenix from Chicago for as low as $255 on momondo.

What cabin class options are available on Chicago to Phoenix flights?

There are 4 cabin classes available to choose from on Chicago to Phoenix flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Chicago to Phoenix flight deals and tips

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

Fastest flight time

3h 29m

Direct flights

Tue, Thu, Sat and Sun

Airports in Phoenix

1 airport
The fastest flight from Chicago to Phoenix takes 3h 29m
Direct flights go from Chicago to Phoenix on Tuesday, Thursday, Saturday and Sunday. There are no airlines offering direct flights.
There is 1 airport near Phoenix: Phoenix-Mesa Gateway (AZA)
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  • How far is Chicago to Phoenix by plane?

    There are 1450.8 mi between Chicago and Phoenix. In terms of flight time, this usually takes a little over 3h 29m.

  • When did momondo last update prices for flights from Chicago to Phoenix?

    Prices for flights from Chicago to Phoenix refresh daily.

  • How many operators does momondo search for flights from Chicago to Phoenix?

  • How old do you have to be to fly from Chicago to Phoenix?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Phoenix.

  • What documentation or ID do you need to fly to Phoenix?

    The travel and health documents required for your trip to Phoenix 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. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Chicago to Phoenix

Compare and see reviews for airlines that fly from Chicago to Phoenix with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $69Free CancellationRating
5.8
3,174 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $95Free CancellationRating
6.3
8,019 reviews
Search Spirit Airlines flights
Allegiant AirPriceFrom $138Free CancellationRating
7.2
699 reviews
Search Allegiant Air flights
Alaska AirlinesPriceFrom $154Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $187Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $190Free CancellationRating
7.4
8,924 reviews
Search United Airlines flights
SouthwestPriceFrom $206Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
DeltaPriceFrom $216Free CancellationRating
7.9
7,957 reviews
Search Delta flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Chicago to Phoenix. momondo saves you time and could save you money on your trip.

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

Yes. momondo enables you to select and highlight flights to Phoenix from Chicago with this policy.

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

momondo helps you find the best flight between Chicago and Phoenix by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are simply researching potential flights to Phoenix, momondo offers a useful price alert feature which will track prices for flights to Phoenix from Chicago and alert you when they change.

An easier way to manage your Phoenix trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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Find better results for your trip to the United States

Fly into one of these airports located in Phoenix

Airports listed have a maximum distance of 25.4 mi from Phoenix
Phoenix-Mesa Gateway Airport