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Cheap flights from Chicago O'Hare Intl Airport 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 O'Hare Intl Airport 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.
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Find the cheapest flights from Chicago O'Hare Intl Airport to Phoenix

Cheap round-trip flights

Frontier Logo
6:00 am - 11:54 pmORD-PHX
19h 54m1 stop
Frontier Logo
7:32 am - 12:12 amPHX-ORD
14h 40m1 stop
$147Frontier
Find Deal
Fri, Oct 24 - Wed, Oct 29
Frontier Logo
10:43 pm - 6:50 pmORD-PHX
22h 07m1 stop
Frontier Logo
6:00 am - 4:56 pmPHX-ORD
9h 56m1 stop
$148Frontier
Find Deal
Fri, Oct 31 - Fri, Nov 7
Frontier Logo
5:11 am - 3:03 pmORD-PHX
11h 52m1 stop
Frontier Logo
6:00 am - 4:56 pmPHX-ORD
9h 56m1 stop
$149Frontier
Find Deal
Fri, Oct 31 - Fri, Nov 7
American Airlines Logo
5:30 pm - 7:21 pmORD-PHX
3h 51mnonstop
American Airlines Logo
7:50 pm - 12:12 amPHX-ORD
3h 22mnonstop
$177American Airlines
Find Deal
Sat, Nov 1 - Sat, Nov 8
Multiple Airlines Logo
3:30 pm - 6:34 pmORD-PHX
4h 04mnonstop
Multiple Airlines Logo
3:48 pm - 11:32 pmPHX-ORD
6h 44m1 stop
$179Multiple Airlines
Find Deal
Sun, Nov 16 - Sat, Nov 22
Multiple Airlines Logo
9:20 am - 6:07 pmORD-PHX
9h 47m1 stop
Multiple Airlines Logo
10:53 pm - 3:39 pmPHX-ORD
15h 46m1 stop
$186Multiple Airlines
Find Deal
Tue, Nov 4 - Mon, Nov 10
United Airlines Logo
7:25 am - 9:23 amORD-PHX
3h 58mnonstop
United Airlines Logo
2:30 pm - 8:01 pmPHX-ORD
3h 31mnonstop
$195United Airlines
Find Deal
Thu, Oct 30 - Sat, Nov 1
American Airlines Logo
6:55 pm - 9:01 pmORD-PHX
4h 06mnonstop
American Airlines Logo
12:58 am - 5:20 amPHX-ORD
3h 22mnonstop
$196American Airlines
Find Deal
Fri, Oct 31 - Thu, Nov 6
United Airlines Logo
7:30 am - 9:19 amORD-PHX
3h 49mnonstop
United Airlines Logo
7:30 am - 12:59 pmPHX-ORD
3h 29mnonstop
$197United Airlines
Find Deal
Sat, Oct 25 - Sat, Nov 1
Southwest Logo
4:25 pm - 7:25 pmORD-PHX
4h 00mnonstop
Southwest Logo
9:05 am - 1:30 pmPHX-ORD
3h 25mnonstop
$199Southwest
Find Deal
Wed, Jan 28 - Wed, Feb 4

American Airlines flights from Chicago O'Hare Intl Airport to Phoenix Sky Harbor Intl Airport

Our best American Airlines deals on Chicago O'Hare Intl Airport to Phoenix Sky Harbor Intl Airport flight tickets
American Airlines
Nov 1
ORD5:30 pmChicago O'Hare Intl
3h 51m
PHX7:21 pmPhoenix Sky Harbor Intl
Nov 8
PHX7:50 pmPhoenix Sky Harbor Intl
3h 22m
ORD12:12 amChicago O'Hare Intl
$177
Find similar
American Airlines
Oct 31
ORD6:55 pmChicago O'Hare Intl
4h 06m
PHX9:01 pmPhoenix Sky Harbor Intl
Nov 6
PHX12:58 amPhoenix Sky Harbor Intl
3h 22m
ORD5:20 amChicago O'Hare Intl
$196
Find similar

Frontier flights from Chicago O'Hare Intl Airport to Phoenix Sky Harbor Intl Airport

Our best Frontier deals on Chicago O'Hare Intl Airport to Phoenix Sky Harbor Intl Airport flight tickets
Frontier
Oct 24
ORD6:00 amChicago O'Hare Intl
19h 54m
1 stop
PHX11:54 pmPhoenix Sky Harbor Intl
Oct 29
PHX7:32 amPhoenix Sky Harbor Intl
14h 40m
1 stop
ORD12:12 amChicago O'Hare Intl
$147
Find similar
Frontier
Oct 6
ORD10:19 pmChicago O'Hare Intl
15h 47m
1 stop
PHX12:06 pmPhoenix Sky Harbor Intl
Oct 15
PHX12:30 pmPhoenix Sky Harbor Intl
9h 29m
1 stop
ORD11:59 pmChicago O'Hare Intl
$148
Find similar
Frontier
Oct 31
ORD5:11 amChicago O'Hare Intl
11h 52m
1 stop
PHX3:03 pmPhoenix Sky Harbor Intl
Nov 7
PHX6:00 amPhoenix Sky Harbor Intl
9h 56m
1 stop
ORD4:56 pmChicago O'Hare Intl
$149
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport 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 29, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Phoenix Sky Harbor Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Fri 10/24

6:00 am-11:54 pm

1 stop19h 54m

Phoenix Sky Harbor Intl

Wed 10/29

7:32 am-12:12 am

1 stop14h 40m

$147

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Fri 10/31

10:43 pm-6:50 pm

1 stop22h 07m

Phoenix Sky Harbor Intl

Fri 11/7

6:00 am-4:56 pm

1 stop9h 56m

$148

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Fri 10/31

5:11 am-3:03 pm

1 stop11h 52m

Phoenix Sky Harbor Intl

Fri 11/7

6:00 am-4:56 pm

1 stop9h 56m

$149

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Sat 11/1

5:30 pm-7:21 pm

Nonstop3h 51m

Phoenix Sky Harbor Intl

Sat 11/8

7:50 pm-12:12 am

Nonstop3h 22m

$177

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Sun 11/16

3:30 pm-6:34 pm

Nonstop4h 04m

Phoenix Sky Harbor Intl

Sat 11/22

3:48 pm-11:32 pm

1 stop6h 44m

$179

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Tue 11/4

9:20 am-6:07 pm

1 stop9h 47m

Phoenix Sky Harbor Intl

Mon 11/10

10:53 pm-3:39 pm

1 stop15h 46m

$186

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Thu 10/30

7:25 am-9:23 am

Nonstop3h 58m

Phoenix Sky Harbor Intl

Sat 11/1

2:30 pm-8:01 pm

Nonstop3h 31m

$195

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Fri 10/31

6:55 pm-9:01 pm

Nonstop4h 06m

Phoenix Sky Harbor Intl

Thu 11/6

12:58 am-5:20 am

Nonstop3h 22m

$196

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Sat 10/25

7:30 am-9:19 am

Nonstop3h 49m

Phoenix Sky Harbor Intl

Sat 11/1

7:30 am-12:59 pm

Nonstop3h 29m

$197

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Wed 1/28

4:25 pm-7:25 pm

Nonstop4h 00m

Phoenix Sky Harbor Intl

Wed 2/4

9:05 am-1:30 pm

Nonstop3h 25m

$199

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 O'Hare Intl Airport 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, August is the cheapest month to fly from Chicago O'Hare Intl Airport to Phoenix Sky Harbor Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $228. If you are unable to visit Phoenix Sky Harbor Intl Airport during the month of August, then departing from Chicago O'Hare Intl Airport during the month September is also very affordable. Most momondo users find prices during this month for around $253.

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 O'Hare Intl Airport is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $306. 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 $390. 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 O'Hare Intl Airport to Phoenix Sky Harbor Intl Airport when you can find flight prices for as low as $284. 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 $360. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

Fly from Chicago O'Hare Intl to Phoenix Sky Harbor Intl for the best Chicago O'Hare Intl - 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 O'Hare Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Phoenix Sky Harbor Intl Airport for around $293 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 O'Hare Intl Airport for as low as $255 on momondo.

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

There are 4 cabin classes available to choose from on Chicago O'Hare Intl 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 O'Hare Intl Airport to Phoenix Sky Harbor Intl Airport flights?

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

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

As of September 2025, prices for Chicago O'Hare Intl Airport to Phoenix Sky Harbor Intl Airport flights are approximately 31% more expensive when compared to flights at the same time last year.

When to book flights from Chicago O'Hare Intl Airport to Phoenix Sky Harbor Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago O'Hare Intl Airport 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 O'Hare Intl Airport to Phoenix Sky Harbor Intl Airport (ORD to PHX) flight deals and tips

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

Best Price Found

$118

Fastest flight time

3h 49m

Direct flights

Every day
The best one-way flight to Phoenix Sky Harbor Intl Airport from Chicago O'Hare Intl Airport in the past 72 hours is $118. The best round-trip flight deal from Chicago O'Hare Intl Airport to Phoenix Sky Harbor Intl Airport found on momondo in the last 72 hours is $234.
The fastest flight from Chicago O'Hare Intl Airport to Phoenix Sky Harbor Intl Airport takes 3h 49m
Direct flights go from Chicago O'Hare Intl Airport to Phoenix Sky Harbor Intl Airport every day.
Search flight deals

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

    Phoenix Sky Harbor Intl is 1435.8 mi away from Chicago O'Hare Intl. Typically, this will take 3h 49m by plane in normal conditions.

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

    Prices for flights from Chicago O'Hare Intl Airport to Phoenix Sky Harbor Intl Airport are updated daily.

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

  • How old do you have to be to fly from Chicago O'Hare Intl Airport 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 O'Hare Intl Airport 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 you'll need for your trip to Phoenix Sky Harbor Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Phoenix Sky Harbor Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Chicago O'Hare Intl Airport to Phoenix Sky Harbor Intl Airport?

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

Best airlines flying from Chicago O'Hare Intl Airport to Phoenix Sky Harbor Intl Airport

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Phoenix Sky Harbor Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $92Free CancellationRating
5.8
3,158 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $98Free CancellationRating
6.3
8,050 reviews
Search Spirit Airlines flights
Alaska AirlinesPriceFrom $154Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $181Free CancellationRating
7.4
8,924 reviews
Search United Airlines flights
American AirlinesPriceFrom $188Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $206Free CancellationRating
8.0
4,246 reviews
Search Southwest flights
DeltaPriceFrom $236Free CancellationRating
7.9
7,964 reviews
Search Delta flights

  • Southwest Flights From Chicago O'Hare Intl Airport to Phoenix Sky Harbor Intl Airport

    Southwest operates around 3 flights from Chicago O'Hare Intl Airport to Phoenix Sky Harbor Intl Airport every week. The average price of these flights found in the last 72 hours has been $369, but momondo users have found Southwest deals from Chicago O'Hare Intl Airport to Phoenix Sky Harbor Intl Airport from as low as $206 round-trip. Southwest has been scored 8.0/10 in 4,246 reviews.

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

    $181 is the best United Airlines flight deal from Chicago O'Hare Intl Airport to Phoenix Sky Harbor Intl Airport found on momondo over the last 72 hours. The average United Airlines ticket price found was closer to $361, however, with flight time and availability significantly affecting the price. United Airlines (7.4/10 from 8,924 user reviews) flies into Phoenix Sky Harbor Intl Airport from Chicago O'Hare Intl Airport 36 times in an average week so prices can vary.

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
Goodyear
Apache Junction
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?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Chicago to Phoenix. Millions of users trust and use momondo every year so you are in good hands.

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?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Phoenix from Chicago.

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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