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Cheap flights from Phoenix Sky Harbor Intl Airport to Chicago from $41

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 9/4. 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

Frontier Logo
3:30 pm - 9:10 pmPHX-ORD
3h 40mnonstop
Frontier Logo
1:53 pm - 3:49 pmORD-PHX
3h 56mnonstop
$78Frontier
Find Deal
Thu, Oct 16 - Mon, Oct 20
Frontier Logo
3:30 pm - 9:10 pmPHX-ORD
3h 40mnonstop
Frontier Logo
1:53 pm - 3:49 pmORD-PHX
3h 56mnonstop
$79Frontier
Find Deal
Thu, Oct 16 - Mon, Oct 20
Frontier Logo
3:30 pm - 9:10 pmPHX-ORD
3h 40mnonstop
Frontier Logo
1:53 pm - 3:49 pmORD-PHX
3h 56mnonstop
$84Frontier
Find Deal
Thu, Oct 23 - Mon, Oct 27
Frontier Logo
5:06 pm - 10:40 pmPHX-ORD
3h 34mnonstop
Frontier Logo
2:07 pm - 4:11 pmORD-PHX
4h 04mnonstop
$90Frontier
Find Deal
Thu, Sep 4 - Thu, Sep 11
Frontier Logo
5:06 pm - 10:40 pmPHX-ORD
3h 34mnonstop
Frontier Logo
2:07 pm - 4:11 pmORD-PHX
4h 04mnonstop
$91Frontier
Find Deal
Thu, Sep 4 - Thu, Sep 11
Frontier Logo
10:30 am - 4:15 pmPHX-ORD
3h 45mnonstop
Frontier Logo
3:20 pm - 5:14 pmORD-PHX
3h 54mnonstop
$93Frontier
Find Deal
Mon, Aug 25 - Thu, Aug 28
Southwest Logo
4:50 pm - 10:20 pmPHX-ORD
3h 30mnonstop
Southwest Logo
3:10 pm - 4:55 pmORD-PHX
3h 45mnonstop
$124Southwest
Find Deal
Tue, Sep 2 - Thu, Sep 4
Southwest Logo
4:50 pm - 10:20 pmPHX-ORD
3h 30mnonstop
Southwest Logo
3:00 pm - 4:50 pmORD-PHX
3h 50mnonstop
$141Southwest
Find Deal
Fri, Sep 12 - Tue, Sep 16
Logo
12:01 pm - 10:48 pmPHX-ORD
8h 47m1 stop
Logo
2:07 pm - 4:11 pmORD-PHX
4h 04mnonstop
$143
Find Deal
Thu, Sep 4 - Thu, Sep 11
Southwest Logo
4:50 pm - 10:20 pmPHX-ORD
3h 30mnonstop
Southwest Logo
4:20 pm - 8:35 pmORD-PHX
6h 15m1 stop
$151Southwest
Find Deal
Fri, Sep 12 - Tue, Sep 16

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

Our best Southwest deals on Phoenix Sky Harbor Intl Airport to Chicago O'Hare Intl Airport flight tickets
Southwest
Sep 2
PHX4:50 pmPhoenix Sky Harbor Intl
3h 30m
ORD10:20 pmChicago O'Hare Intl
Sep 4
ORD3:10 pmChicago O'Hare Intl
3h 45m
PHX4:55 pmPhoenix Sky Harbor Intl
$124
Find similar
Southwest
Sep 12
PHX4:50 pmPhoenix Sky Harbor Intl
3h 30m
ORD10:20 pmChicago O'Hare Intl
Sep 16
ORD3:00 pmChicago O'Hare Intl
3h 50m
PHX4:50 pmPhoenix Sky Harbor Intl
$141
Find similar
Southwest
Sep 12
PHX4:50 pmPhoenix Sky Harbor Intl
3h 30m
ORD10:20 pmChicago O'Hare Intl
Sep 16
ORD4:20 pmChicago O'Hare Intl
6h 15m
1 stop
PHX8:35 pmPhoenix Sky Harbor Intl
$151
Find similar

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
Oct 16
PHX3:30 pmPhoenix Sky Harbor Intl
3h 40m
ORD9:10 pmChicago O'Hare Intl
Oct 20
ORD1:53 pmChicago O'Hare Intl
3h 56m
PHX3:49 pmPhoenix Sky Harbor Intl
$78
Find similar
Frontier
Oct 16
PHX3:30 pmPhoenix Sky Harbor Intl
3h 40m
ORD9:10 pmChicago O'Hare Intl
Oct 20
ORD1:53 pmChicago O'Hare Intl
3h 56m
PHX3:49 pmPhoenix Sky Harbor Intl
$79
Find similar
Frontier
Oct 23
PHX3:30 pmPhoenix Sky Harbor Intl
3h 40m
ORD9:10 pmChicago O'Hare Intl
Oct 27
ORD1:53 pmChicago O'Hare Intl
3h 56m
PHX3:49 pmPhoenix Sky Harbor Intl
$84
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 August 10, 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

Thu 10/16

3:30 pm-9:10 pm

Nonstop3h 40m

Chicago O'Hare Intl

Mon 10/20

1:53 pm-3:49 pm

Nonstop3h 56m

$78

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

Thu 10/16

3:30 pm-9:10 pm

Nonstop3h 40m

Chicago O'Hare Intl

Mon 10/20

1:53 pm-3:49 pm

Nonstop3h 56m

$79

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

Thu 10/23

3:30 pm-9:10 pm

Nonstop3h 40m

Chicago O'Hare Intl

Mon 10/27

1:53 pm-3:49 pm

Nonstop3h 56m

$84

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

Thu 9/4

5:06 pm-10:40 pm

Nonstop3h 34m

Chicago O'Hare Intl

Thu 9/11

2:07 pm-4:11 pm

Nonstop4h 04m

$90

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

Thu 9/4

5:06 pm-10:40 pm

Nonstop3h 34m

Chicago O'Hare Intl

Thu 9/11

2:07 pm-4:11 pm

Nonstop4h 04m

$91

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

Mon 8/25

10:30 am-4:15 pm

Nonstop3h 45m

Chicago O'Hare Intl

Thu 8/28

3:20 pm-5:14 pm

Nonstop3h 54m

$93

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

Tue 9/2

4:50 pm-10:20 pm

Nonstop3h 30m

Chicago O'Hare Intl

Thu 9/4

3:10 pm-4:55 pm

Nonstop3h 45m

$124

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

Fri 9/12

4:50 pm-10:20 pm

Nonstop3h 30m

Chicago O'Hare Intl

Tue 9/16

3:00 pm-4:50 pm

Nonstop3h 50m

$141

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

Thu 9/4

12:01 pm-10:48 pm

1 stop8h 47m

Chicago O'Hare Intl

Thu 9/11

2:07 pm-4:11 pm

Nonstop4h 04m

$143

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

Fri 9/12

4:50 pm-10:20 pm

Nonstop3h 30m

Chicago O'Hare Intl

Tue 9/16

4:20 pm-8:35 pm

1 stop6h 15m

$151

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 Chicago from

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 January is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Phoenix Sky Harbor Intl Airport averaging around $228.

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 Thursday when prices can be found for as low as $378. 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 $680.

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 $308 when looking at flights departing in the afternoon. Try not to purchase tickets at noon because they tend to be around $718. 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 $278 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 $244 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?

You could potentially save up to 24% on your flight if you consider stops on a Phoenix Sky Harbor Intl Airport to Chicago O'Hare Intl Airport flight.

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

As of August 2025, prices for Phoenix Sky Harbor Intl Airport to Chicago O'Hare Intl Airport flights are approximately 5% cheaper 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

$41

Fastest flight time

3h 22m

Direct flights

Mon, Tue, Wed, Thu, Fri and Sat
The best one-way flight to Chicago O'Hare Intl Airport from Phoenix Sky Harbor Intl Airport in the past 72 hours is $41. 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 $78.
The fastest flight from Phoenix Sky Harbor Intl Airport to Chicago O'Hare Intl Airport takes 3h 22m
Direct flights go from Phoenix Sky Harbor Intl Airport to Chicago O'Hare Intl Airport on Monday, Tuesday, Wednesday, Thursday, Friday and Saturday. Airlines offering direct flights are: United Airlines, Southwest and American Airlines.
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 30m.

  • 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 $78Free CancellationRating
6.3
8,042 reviews
Search Spirit Airlines flights
FrontierPriceFrom $89Free CancellationRating
5.8
3,221 reviews
Search Frontier flights
DeltaPriceFrom $162Free CancellationRating
8.0
7,979 reviews
Search Delta flights
American AirlinesPriceFrom $182Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $188Free CancellationRating
7.4
8,920 reviews
Search United Airlines flights
SouthwestPriceFrom $205Free CancellationRating
8.0
4,248 reviews
Search Southwest flights

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

    Across 11 Southwest flights from Phoenix Sky Harbor Intl Airport to Chicago O'Hare Intl Airport this week, the average price was $363, with the best Southwest deals starting from $205 round-trip. 4,248 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 8,920 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 37 times each week, with ticket deals ranging from $188 to $336. 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
Rockford
Schaumburg
South Haven
Merrillville
Gurnee
Naperville
Rosemont
Kenosha
New Buffalo
Joliet
Oak Brook
Racine
Hammond
Tinley Park
Elgin
Orland Park
Aurora
Janesville
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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