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Cheap flights from Phoenix Sky Harbor Intl Airport to Chicago 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 Phoenix Sky Harbor Intl Airport to Chicago departing on 10/31. 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 Phoenix Sky Harbor Intl Airport to Chicago

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
10:57 am - 11:29 pmPHX-ORD
11h 32m1 stop
Frontier Logo
6:00 am - 1:13 pmORD-PHX
8h 13m1 stop
$133Frontier
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Sat, Nov 8 - Sat, Nov 15
Multiple Airlines Logo
6:00 am - 10:39 amPHX-ORD
3h 39mnonstop
Multiple Airlines Logo
2:59 pm - 11:16 pmORD-PHX
9h 17m1 stop
$134Multiple Airlines
Find Deal
Fri, Feb 27 - Tue, Mar 3
Frontier Logo
7:43 pm - 2:17 pmPHX-ORD
17h 34m1 stop
Frontier Logo
3:51 pm - 12:35 amORD-PHX
9h 44m1 stop
$135Frontier
Find Deal
Wed, Dec 17 - Wed, Dec 31
Multiple Airlines Logo
7:43 pm - 5:32 amPHX-ORD
8h 49m1 stop
Multiple Airlines Logo
8:48 pm - 11:50 pmORD-PHX
4h 02mnonstop
$136Multiple Airlines
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Tue, Dec 2 - Thu, Jan 8
Frontier Logo
11:50 am - 12:59 amPHX-ORD
12h 09m1 stop
Frontier Logo
11:00 am - 1:52 pmORD-PHX
3h 52mnonstop
$137Frontier
Find Deal
Tue, Nov 4 - Tue, Nov 11
Frontier Logo
9:05 pm - 12:15 amPHX-ORD
26h 10m1 stop
Frontier Logo
3:30 pm - 6:34 pmORD-PHX
4h 04mnonstop
$138Frontier
Find Deal
Wed, Nov 5 - Mon, Nov 10
American Airlines Logo
8:06 pm - 12:31 amPHX-ORD
3h 25mnonstop
American Airlines Logo
5:00 am - 8:00 amORD-PHX
4h 00mnonstop
$139American Airlines
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Thu, Dec 11 - Thu, Jan 8
American Airlines Logo
5:30 am - 9:59 amPHX-ORD
3h 29mnonstop
American Airlines Logo
8:50 pm - 11:52 pmORD-PHX
4h 02mnonstop
$142American Airlines
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Fri, Dec 12 - Sat, Dec 13
Alaska Airlines Logo
12:08 pm - 11:59 pmPHX-ORD
10h 51m1 stop
Alaska Airlines Logo
8:55 am - 11:59 pmORD-PHX
16h 04m1 stop
$164Alaska Airlines
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Sat, Dec 6 - Sat, Dec 13
Alaska Airlines Logo
6:02 am - 11:50 pmPHX-ORD
16h 48m1 stop
Alaska Airlines Logo
3:05 pm - 9:40 amORD-PHX
19h 35m1 stop
$170Alaska Airlines
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Sun, Dec 7 - Wed, Dec 10

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

Our best Frontier deals on Phoenix Sky Harbor Intl Airport to Chicago O'Hare Intl Airport flight tickets
Frontier
Nov 8
PHX10:57 amPhoenix Sky Harbor Intl
11h 32m
1 stop
ORD11:29 pmChicago O'Hare Intl
Nov 15
ORD6:00 amChicago O'Hare Intl
8h 13m
1 stop
PHX1:13 pmPhoenix Sky Harbor Intl
$133
Find similar
Frontier
Dec 17
PHX7:43 pmPhoenix Sky Harbor Intl
17h 34m
1 stop
ORD2:17 pmChicago O'Hare Intl
Dec 31
ORD3:51 pmChicago O'Hare Intl
9h 44m
1 stop
PHX12:35 amPhoenix Sky Harbor Intl
$135
Find similar
Frontier
Nov 4
PHX11:50 amPhoenix Sky Harbor Intl
12h 09m
1 stop
ORD12:59 amChicago O'Hare Intl
Nov 11
ORD11:00 amChicago O'Hare Intl
3h 52m
PHX1:52 pmPhoenix Sky Harbor Intl
$137
Find similar

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

Our best Alaska Airlines deals on Phoenix Sky Harbor Intl Airport to Chicago O'Hare Intl Airport flight tickets
Alaska Airlines
Dec 6
PHX12:08 pmPhoenix Sky Harbor Intl
10h 51m
1 stop
ORD11:59 pmChicago O'Hare Intl
Dec 13
ORD8:55 amChicago O'Hare Intl
16h 04m
1 stop
PHX11:59 pmPhoenix Sky Harbor Intl
$164
Find similar
Alaska Airlines
Dec 7
PHX6:02 amPhoenix Sky Harbor Intl
16h 48m
1 stop
ORD11:50 pmChicago O'Hare Intl
Dec 10
ORD3:05 pmChicago O'Hare Intl
19h 35m
1 stop
PHX9:40 amPhoenix Sky Harbor Intl
$170
Find similar
Alaska Airlines
Dec 12
PHX6:00 amPhoenix Sky Harbor Intl
15h 30m
1 stop
ORD10:30 pmChicago O'Hare Intl
Dec 14
ORD8:59 pmChicago O'Hare Intl
13h 41m
1 stop
PHX9:40 amPhoenix Sky Harbor Intl
$172
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Phoenix Sky Harbor Intl Airport to Chicago O'Hare 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 October 23, 2025.
Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

Sat 11/8

10:57 am-11:29 pm

1 stop11h 32m

Chicago O'Hare Intl

Sat 11/15

6:00 am-1:13 pm

1 stop8h 13m

$133

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

Fri 2/27

6:00 am-10:39 am

Nonstop3h 39m

Chicago O'Hare Intl

Tue 3/3

2:59 pm-11:16 pm

1 stop9h 17m

$134

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

Wed 12/17

7:43 pm-2:17 pm

1 stop17h 34m

Chicago O'Hare Intl

Wed 12/31

3:51 pm-12:35 am

1 stop9h 44m

$135

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

Tue 12/2

7:43 pm-5:32 am

1 stop8h 49m

Chicago O'Hare Intl

Thu 1/8

8:48 pm-11:50 pm

Nonstop4h 02m

$136

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

Tue 11/4

11:50 am-12:59 am

1 stop12h 09m

Chicago O'Hare Intl

Tue 11/11

11:00 am-1:52 pm

Nonstop3h 52m

$137

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

Wed 11/5

9:05 pm-12:15 am

1 stop26h 10m

Chicago O'Hare Intl

Mon 11/10

3:30 pm-6:34 pm

Nonstop4h 04m

$138

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

Thu 12/11

8:06 pm-12:31 am

Nonstop3h 25m

Chicago O'Hare Intl

Thu 1/8

5:00 am-8:00 am

Nonstop4h 00m

$139

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

Fri 12/12

5:30 am-9:59 am

Nonstop3h 29m

Chicago O'Hare Intl

Sat 12/13

8:50 pm-11:52 pm

Nonstop4h 02m

$142

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

Sat 12/6

12:08 pm-11:59 pm

1 stop10h 51m

Chicago O'Hare Intl

Sat 12/13

8:55 am-11:59 pm

1 stop16h 04m

$164

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

Sun 12/7

6:02 am-11:50 pm

1 stop16h 48m

Chicago O'Hare Intl

Wed 12/10

3:05 pm-9:40 am

1 stop19h 35m

$170

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 Phoenix Sky Harbor Intl Airport to Chicago O'Hare 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 Chicago O'Hare Intl Airport?

The month of February is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Phoenix Sky Harbor Intl Airport averaging around $247.

What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?

The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Friday when prices can be found for as low as $371. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Phoenix Sky Harbor Intl Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $644.

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

Flying to Chicago O'Hare Intl Airport from Phoenix Sky Harbor Intl Airport in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $316 when looking at flights departing in the afternoon. Try not to purchase tickets at noon because they tend to be around $746. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

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

How far in advance should I book a flight to Chicago O'Hare Intl Airport?

You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from Phoenix Sky Harbor Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $285 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from Phoenix Sky Harbor Intl Airport for as low as $245 on momondo.

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

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

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

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

As of October 2025, prices for Phoenix Sky Harbor Intl Airport to Chicago O'Hare Intl Airport flights are approximately 64% more expensive when compared to flights at the same time last year.

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

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

Cheap Phoenix Sky Harbor Intl Airport to Chicago O'Hare Intl Airport (PHX to ORD) flight deals and tips

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

Best Price Found

$139

Fastest flight time

3h 20m

Direct flights

Every day
The best one-way flight to Chicago O'Hare Intl Airport from Phoenix Sky Harbor Intl Airport in the past 72 hours is $139. The best round-trip flight deal from Phoenix Sky Harbor Intl Airport to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $273.
The fastest flight from Phoenix Sky Harbor Intl Airport to Chicago O'Hare Intl Airport takes 3h 20m
Direct flights go from Phoenix Sky Harbor Intl Airport to Chicago O'Hare Intl Airport every day.
Search flight deals

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

    A flight from Phoenix Sky Harbor Intl to Chicago O'Hare Intl will travel around 1435.8 mi. In terms of flight time, this usually takes a little over 3h 25m.

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

    Prices for flights from Phoenix Sky Harbor Intl Airport to Chicago O'Hare Intl Airport were last updated today.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Phoenix Sky Harbor Intl Airport to Chicago O'Hare Intl Airport.

  • What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

    The required travel and health documents for your Chicago O'Hare Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Chicago O'Hare Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

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

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

Compare and see reviews for airlines that fly from Phoenix Sky Harbor Intl Airport to Chicago O'Hare Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $79Free CancellationRating
6.3
8,104 reviews
Search Spirit Airlines flights
FrontierPriceFrom $100Free CancellationRating
5.8
3,128 reviews
Search Frontier flights
American AirlinesPriceFrom $197Free CancellationRating
7.2
11,033 reviews
Search American Airlines flights
United AirlinesPriceFrom $199Free CancellationRating
7.4
8,995 reviews
Search United Airlines flights
SouthwestPriceFrom $207Free CancellationRating
8.0
4,236 reviews
Search Southwest flights

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

    Across 5 Southwest flights from Phoenix Sky Harbor Intl Airport to Chicago O'Hare Intl Airport this week, the average price was $352, with the best Southwest deals starting from $207 round-trip. 4,236 users have rated Southwest on momondo, with an average score of 8.0/10.

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

    Across 8,995 United Airlines reviews on momondo, the average score is 7.4/10. United Airlines flies from Phoenix Sky Harbor Intl Airport to Chicago O'Hare Intl Airport about 11 times each week, with ticket deals ranging from $199 to $334. Price data is based on momondo searches in the last 72 hours.

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Lake Geneva
South Haven
Schaumburg
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Merrillville
Gurnee
Naperville
Rosemont
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New Buffalo
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Racine
Hammond
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Aurora
Benton Harbor

Why use momondo?

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

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

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

Flights from Phoenix to Chicago with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo provides multiple filters to help you find the best flight to Chicago from Phoenix. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

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

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