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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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0 bags

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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
Find Deal
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
7:50 am - 9:40 amMDW-PHX
3h 50mnonstop
Frontier Logo
5:30 am - 5:49 pmPHX-MDW
11h 19m1 stop
$143Frontier
Find Deal
Sun, Oct 26 - Mon, Nov 3
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
Multiple Airlines Logo
6:40 am - 12:06 pmORD-PHX
7h 26m1 stop
Multiple Airlines Logo
3:30 pm - 9:10 pmPHX-ORD
3h 40mnonstop
$144Multiple Airlines
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Tue, Oct 14 - Thu, Oct 23
Multiple Airlines Logo
9:20 am - 3:00 pmORD-PHX
7h 40m1 stop
Multiple Airlines Logo
8:10 pm - 12:45 amPHX-ORD
3h 35mnonstop
$152Multiple Airlines
Find Deal
Fri, Oct 31 - Sun, Nov 2
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
Find Deal
Fri, Feb 20 - Fri, Feb 20
United Airlines Logo
9:15 am - 11:22 amORD-PHX
4h 07mnonstop
United Airlines Logo
6:03 pm - 11:30 pmPHX-ORD
3h 27mnonstop
$189United Airlines
Find Deal
Fri, Oct 31 - Sat, Nov 1
Southwest Logo
7:55 am - 9:45 amMDW-PHX
3h 50mnonstop
Southwest Logo
5:10 pm - 10:30 pmPHX-MDW
3h 20mnonstop
$189Southwest
Find Deal
Fri, Oct 31 - Sat, Nov 1
Southwest Logo
7:55 am - 9:45 amMDW-PHX
3h 50mnonstop
Southwest Logo
8:10 pm - 12:25 amPHX-MDW
3h 15mnonstop
$196Southwest
Find Deal
Fri, Oct 31 - Thu, Nov 6

Frontier flights from Chicago to Phoenix Sky Harbor Intl Airport

Our best Frontier deals on Chicago to Phoenix Sky Harbor Intl Airport 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
MDW7:50 amChicago Midway
3h 50m
PHX9:40 amPhoenix Sky Harbor Intl
Nov 3
PHX5:30 amPhoenix Sky Harbor Intl
11h 19m
1 stop
MDW5:49 pmChicago Midway
$143
Find similar
Frontier
Oct 27
MDW10:56 pmChicago Midway
3h 51m
PHX12:47 amPhoenix Sky Harbor Intl
Nov 3
PHX5:30 amPhoenix Sky Harbor Intl
11h 19m
1 stop
MDW5:49 pmChicago Midway
$144
Find similar

Southwest flights from Chicago to Phoenix Sky Harbor Intl Airport

Our best Southwest deals on Chicago to Phoenix Sky Harbor Intl Airport flight tickets
Southwest
Oct 31
MDW7:55 amChicago Midway
3h 50m
PHX9:45 amPhoenix Sky Harbor Intl
Nov 1
PHX5:10 pmPhoenix Sky Harbor Intl
3h 20m
MDW10:30 pmChicago Midway
$189
Find similar
Southwest
Oct 31
MDW7:55 amChicago Midway
3h 50m
PHX9:45 amPhoenix Sky Harbor Intl
Nov 6
PHX8:10 pmPhoenix Sky Harbor Intl
3h 15m
MDW12:25 amChicago Midway
$196
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chicago to Phoenix Sky Harbor Intl 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 September 17, 2025.
Use the filters below to find and compare flights from Chicago to Phoenix Sky Harbor Intl Airport 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

Sun 10/26

7:50 am-9:40 am

Nonstop3h 50m

Phoenix Sky Harbor Intl

Mon 11/3

5:30 am-5:49 pm

1 stop11h 19m

$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

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Tue 10/14

6:40 am-12:06 pm

1 stop7h 26m

Phoenix Sky Harbor Intl

Thu 10/23

3:30 pm-9:10 pm

Nonstop3h 40m

$144

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Fri 10/31

9:20 am-3:00 pm

1 stop7h 40m

Phoenix Sky Harbor Intl

Sun 11/2

8:10 pm-12:45 am

Nonstop3h 35m

$152

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

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Fri 10/31

9:15 am-11:22 am

Nonstop4h 07m

Phoenix Sky Harbor Intl

Sat 11/1

6:03 pm-11:30 pm

Nonstop3h 27m

$189

ChicagoPhoenix

MDW - PHX

MDWPHX

Chicago Midway

Fri 10/31

7:55 am-9:45 am

Nonstop3h 50m

Phoenix Sky Harbor Intl

Sat 11/1

5:10 pm-10:30 pm

Nonstop3h 20m

$189

ChicagoPhoenix

MDW - PHX

MDWPHX

Chicago Midway

Fri 10/31

7:55 am-9:45 am

Nonstop3h 50m

Phoenix Sky Harbor Intl

Thu 11/6

8:10 pm-12:25 am

Nonstop3h 15m

$196

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 Sky Harbor Intl 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 Sky Harbor Intl Airport?

In general, September is the cheapest month to fly from Chicago to Phoenix Sky Harbor Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $217. If you are unable to visit Phoenix Sky Harbor Intl Airport 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 Sky Harbor Intl Airport?

On average, the least expensive day to fly to Phoenix Sky Harbor Intl Airport 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. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $391. These prices are subject to change though, so be sure to set up a Price Alert for flights to Phoenix Sky Harbor Intl Airport.

What is the cheapest time of day to depart on your flight to Phoenix Sky Harbor Intl Airport?

In the evening is the cheapest time of day to fly from Chicago to Phoenix Sky Harbor Intl Airport when you can find flight prices for as low as $283. Flying to Phoenix Sky Harbor Intl Airport in the evening is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $358. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Chicago to Phoenix Sky Harbor Intl flight route?

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

How far in advance should I book a flight to Phoenix Sky Harbor Intl Airport?

You are more likely to see cheaper flights to Phoenix Sky Harbor Intl Airport from Chicago when booking weeks ahead of your departure date. In general, you can expect to find flights to Phoenix Sky Harbor Intl Airport 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 Sky Harbor Intl Airport from Chicago for as low as $255 on momondo.

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

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

Can stopping save me money on Chicago to Phoenix Sky Harbor Intl Airport flights?

No. A direct flight is the cheapest option for a flight between Chicago to Phoenix Sky Harbor Intl Airport.

How have Chicago to Phoenix Sky Harbor Intl Airport flight prices changed over time?

As of September 2025, prices for Chicago to Phoenix Sky Harbor Intl Airport flights are approximately 21% more expensive when compared to flights at the same time last year.

When to book flights from Chicago to Phoenix Sky Harbor Intl Airport

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

Cheap Chicago to Phoenix Sky Harbor Intl Airport (CHI to PHX) flight deals and tips

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

Best Price Found

$114

Fastest flight time

3h 40m

Direct flights

Every day
The best one-way flight to Phoenix Sky Harbor Intl Airport from Chicago in the past 72 hours is $114. The best round-trip flight deal from Chicago to Phoenix Sky Harbor Intl Airport found on momondo in the last 72 hours is $177.
The fastest flight from Chicago to Phoenix Sky Harbor Intl Airport takes 3h 40m
Direct flights go from Chicago to Phoenix Sky Harbor Intl Airport every day.
Search flight deals

  • How far is Chicago to Phoenix Sky Harbor Intl by plane?

    A flight from Chicago to Phoenix Sky Harbor Intl will travel around 1447.5 mi. 3h 47m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Chicago to Phoenix Sky Harbor Intl Airport?

    Prices for flights from Chicago to Phoenix Sky Harbor Intl Airport refresh daily.

  • How many operators does momondo search for flights from Chicago to Phoenix Sky Harbor Intl Airport?

  • How old do you have to be to fly from Chicago to Phoenix Sky Harbor Intl Airport?

    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 Sky Harbor Intl Airport.

  • What documentation or ID do you need to fly to Phoenix Sky Harbor Intl Airport?

    The travel and health documents required for your trip to Phoenix Sky Harbor Intl 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 Sky Harbor Intl 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 Sky Harbor Intl Airport?

  • What is the most popular airline from Chicago to Phoenix Sky Harbor Intl Airport?

Best airlines flying from Chicago to Phoenix Sky Harbor Intl Airport

Compare and see reviews for airlines that fly from Chicago to Phoenix Sky Harbor Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $89Free CancellationRating
5.8
3,173 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $95Free CancellationRating
6.3
8,023 reviews
Search Spirit Airlines 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
8,926 reviews
Search United Airlines flights
SouthwestPriceFrom $206Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
DeltaPriceFrom $216Free CancellationRating
7.9
7,961 reviews
Search Delta flights

  • Southwest Flights From Chicago to Phoenix Sky Harbor Intl Airport

    Across 52 Southwest flights from Chicago to Phoenix Sky Harbor Intl Airport this week, the average price was $366, with the best Southwest deals starting from $206 round-trip. 4,242 users have rated Southwest on momondo, with an average score of 8.0/10.

  • United Airlines Flights From Chicago to Phoenix Sky Harbor Intl Airport

    Another popular option for Chicago to Phoenix Sky Harbor Intl Airport flights is United Airlines (7.4/10, 8,926 ratings). United Airlines flies from Chicago to Phoenix Sky Harbor Intl Airport around 36 times per week, with deals starting from $190 round-trip and rising to an average price of around $366.

Traveling to a place near Phoenix?

Book flights to Phoenix if you plan to visit one of these locations
Scottsdale
Mesa
Tempe
Glendale
Chandler
Gilbert
Peoria
Surprise
Casa Grande
Buckeye
Apache Junction
Goodyear
Payson
Wickenburg
Avondale
Paradise Valley
Camp Verde
Fountain Hills
Litchfield Park
Cave Creek

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?

All flight searches from Chicago to Phoenix on momondo can be filtered to show those which offer flexible booking policies.

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 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 Sky Harbor Intl Airport trip

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