$28 Cheap Flights from Phoenix (PHX) to Chicago (ORD)

View $28 flight on Fri, May 8, 2026Opens in a new window

Popular airlines from Phoenix Sky Harbor Intl. Airport (PHX) to Chicago O'Hare Intl. Airport (ORD)

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Cheap Flights from Phoenix to Chicago (PHX-ORD)

Prices were available within the past 7 days and start at $28 for one-way flights and $56 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Sat, May 9 - Sat, May 16
PHX
Phoenix
ORD
Chicago
$56 Roundtrip, just found
$56
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, May 9 from Phoenix to Chicago, returning Sat, May 16, priced at $56 just found
Frontier Airlines
Sat, May 9 - Sat, May 16
PHX
Phoenix
ORD
Chicago
$66 Roundtrip, just found
$66
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, May 9 from Phoenix to Chicago, returning Sat, May 16, priced at $66 just found
Frontier Airlines
Fri, May 15 - Sat, May 16
PHX
Phoenix
ORD
Chicago
$79 Roundtrip, found 2 hours ago
$79
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Fri, May 15 from Phoenix to Chicago, returning Sat, May 16, priced at $79 found 2 hours ago
Frontier Airlines
Sat, Apr 18 - Sat, Apr 25
PHX
Phoenix
ORD
Chicago
$82 Roundtrip, just found
$82
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, Apr 18 from Phoenix to Chicago, returning Sat, Apr 25, priced at $82 just found
Frontier Airlines
Fri, May 8 - Thu, May 14
PHX
Phoenix
ORD
Chicago
$87 Roundtrip, found 2 hours ago
$87
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Fri, May 8 from Phoenix to Chicago, returning Thu, May 14, priced at $87 found 2 hours ago
Frontier Airlines
Sat, May 9 - Fri, May 15
PHX
Phoenix
ORD
Chicago
$89 Roundtrip, found 2 hours ago
$89
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Sat, May 9 from Phoenix to Chicago, returning Fri, May 15, priced at $89 found 2 hours ago
United
Wed, Apr 29 - Mon, May 4
PHX
Phoenix
ORD
Chicago
$118 Roundtrip, found 4 hours ago
$118
Roundtrip
found 4 hours ago
Select United flight, departing Wed, Apr 29 from Phoenix to Chicago, returning Mon, May 4, priced at $118 found 4 hours ago
Southwest Airlines
Thu, May 7 - Sat, May 9
PHX
Phoenix
ORD
Chicago
$169 Roundtrip, found 2 hours ago
$169
Roundtrip
found 2 hours ago
Select Southwest Airlines flight, departing Thu, May 7 from Phoenix to Chicago, returning Sat, May 9, priced at $169 found 2 hours ago
American Airlines
Fri, Apr 24 - Mon, Apr 27
PHX
Phoenix
ORD
Chicago
$175 Roundtrip, just found
$175
Roundtrip
just found
Select American Airlines flight, departing Fri, Apr 24 from Phoenix to Chicago, returning Mon, Apr 27, priced at $175 just found
Alaska Airlines
Wed, May 6 - Wed, May 13
PHX
Phoenix
ORD
Chicago
$185 Roundtrip, just found
$185
Roundtrip
just found
Select Alaska Airlines flight, departing Wed, May 6 from Phoenix to Chicago, returning Wed, May 13, priced at $185 just found

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Alternative airports near Chicago

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Midway Intl. MDW. Closest option available. Average driving time to city center is 16 minutes. Flights from $268
MDW
Midway Intl.
Closest
Average driving time to city center16 min
Flights from $268

Find the cheapest month to fly from Phoenix (PHX) to Chicago (ORD)

February is typically the cheapest month to fly

From $64 - $173 per traveler.

Frequently asked questions

How much does a flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Chicago, IL (ORD-O'Hare Intl.) cost?
You can find cheap one-way flights from $28 and cheap return flights from $56 Phoenix, AZ (PHX-Sky Harbor Intl.) to Chicago, IL (ORD-O'Hare Intl.) with Expedia. One-way flights usually range from $142 to $1273, and return flights typically cost between $270 and $1378. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Phoenix, AZ (PHX-Sky Harbor Intl.) to Chicago, IL (ORD-O'Hare Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Phoenix, AZ (PHX-Sky Harbor Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
The cheapest month to fly from PHX to ORD is May when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Phoenix, AZ (PHX-Sky Harbor Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
Choose from 3 airlines operating direct flights from PHX to ORD:

  • United operates around 72 direct flights from PHX to ORD every week
  • American Airlines operates around 70 direct flights from PHX to ORD every week
  • Frontier Airlines operates around 10 direct flights from PHX to ORD every week

What is the cheapest airline that flies from Phoenix, AZ (PHX-Sky Harbor Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
Sun Country Airlines is one of the cheapest airlines offering connecting flights from Phoenix, AZ (PHX) to Chicago, IL (ORD) with a layover, with round-trip tickets starting from around $292. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Phoenix, AZ (PHX-Sky Harbor Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
To find a cheap flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Chicago, IL (ORD-O'Hare Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Phoenix, AZ (PHX-Sky Harbor Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
The best airline to fly with from Phoenix, AZ (PHX) to Chicago, IL (ORD) will differ from traveler to traveler. If you like to fly early, American Airlines offers early morning flights. If price is the most important factor, Frontier Airlines typically offers the lowest fares. American Airlines offers the most daily flights from PHX to ORD, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Phoenix, AZ (PHX-Sky Harbor Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Phoenix, AZ (PHX-Sky Harbor Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
There are approximately 23 nonstop flights per day from Sky Harbor Intl. (PHX) to O'Hare Intl. (ORD). For more options, look at flights that include layovers.
What is the earliest flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
The earliest flight from Phoenix (PHX) to Chicago (ORD) typically departs at around 12:00 AM, operated by Frontier Airlines. This seasonal service is available in February and March, giving you a chance to arrive in Chicago early. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Phoenix, AZ (PHX-Sky Harbor Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
The most popular departure times for flights from Sky Harbor Intl. (PHX) to O'Hare Intl. (ORD) are in the early morning, from 6am to 9am. About 26% of passengers prefer this time window. Major carriers like American Airlines and United Airlines offer flights during this window. This timing is favored as it allows travelers to arrive in Chicago with a full day ahead of them.
How long does it take to fly from Phoenix, AZ (PHX-Sky Harbor Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
Flying nonstop from PHX to ORD takes around 3 hours 30 minutes, with the route covering approximately 1,437 miles. Flights with a layover typically take 3 hours 50 minutes longer than direct options. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Phoenix, AZ (PHX-Sky Harbor Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
Business class seats are offered on the PHX to ORD route with American Airlines.First class cabins are available on:

  • American Airlines
  • United Airlines
  • Delta Air Lines
  • Spirit Airlines

How much is a business class flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
A direct, return business class ticket from Phoenix (PHX) to Chicago (ORD) typically costs between $1,565 - $2,220. A non-stop, one-way business class flight is usually around $696 - $1,074. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Phoenix, AZ (PHX-Sky Harbor Intl.) to Chicago, IL (ORD-O'Hare Intl.) if you opt for a connecting flight.*Prices based on flights available on Expedia in the last year.
How do I earn miles on a Phoenix, AZ (PHX-Sky Harbor Intl.) to Chicago, IL (ORD-O'Hare Intl.) flight with Expedia?
It's easy to earn miles on a Phoenix, AZ (PHX-Sky Harbor Intl.) to Chicago, IL (ORD-O'Hare Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Chicago from Sky Harbor Intl. (PHX)?
From Sky Harbor Intl. (PHX), you can fly into O'Hare Intl. (ORD) and Midway Intl. (MDW) in Chicago. Some flights may connect through major hubs like Portland Intl. (PDX), San Diego Intl. (SAN), Seattle - Tacoma Intl. (SEA) before reaching Chicago. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Phoenix, AZ (PHX-Sky Harbor Intl.) to Chicago, IL (ORD-O'Hare Intl.) at the last minute?
Typically, booking a last minute flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Chicago, IL (ORD-O'Hare Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Phoenix, AZ (PHX-Sky Harbor Intl.) to Chicago, IL (ORD-O'Hare Intl.) flight and hotel package?
Securing a Phoenix, AZ (PHX-Sky Harbor Intl.) to Chicago, IL (ORD-O'Hare Intl.) Chicago Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
If you booked your Phoenix, AZ (PHX-Sky Harbor Intl.) to Chicago, IL (ORD-O'Hare Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Sky Harbor Intl.
Destination airport
O'Hare Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, Sun Country Airlines, United
Roundtrip price
$56
Distance
1437 mi
Average flight time
4 hours 30 mins

Book with confidence

Phoenix to Chicago Flights

The cheapest times to fly from Phoenix to Chicago

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Phoenix to Chicago are during the month of May. You can find some of the cheapest flights from Phoenix to Chicago with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Phoenix to Chicago

Sunday is one of the best days to book for cheap flights from Phoenix to Chicago: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Phoenix to Chicago

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Phoenix to Chicago in 2026. You can also book with separate airlines for your outbound and return journeys, from $28 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Phoenix to Chicago flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Phoenix to Chicago airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Phoenix to Chicago Flights

*Flight schedules are subject to change.

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*Available to One Key members.