$81 Cheap Flights from Chicago (ORD) to Phoenix (PHX)

View $81 flight on Mon, May 5, 2025Opens in a new window

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

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Find available prices by choosing your travel dates.

Cheap Flights from Chicago to Phoenix (ORD-PHX)

Prices were available within the past 7 days and start at $81 for one-way flights and $157 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Mon, Apr 28 - Wed, Apr 30
ORD
Chicago
PHX
Phoenix
$157 Roundtrip, just found
$157
Roundtrip
just found
Select Spirit Airlines flight, departing Mon, Apr 28 from Chicago to Phoenix, returning Wed, Apr 30, priced at $157 just found
Spirit Airlines
Mon, Apr 28 - Thu, May 1
ORD
Chicago
PHX
Phoenix
$162 Roundtrip, found 2 hours ago
$162
Roundtrip
found 2 hours ago
Select Spirit Airlines flight, departing Mon, Apr 28 from Chicago to Phoenix, returning Thu, May 1, priced at $162 found 2 hours ago
Spirit Airlines
Sat, May 10 - Mon, May 12
ORD
Chicago
PHX
Phoenix
$165 Roundtrip, found 1 hour ago
$165
Roundtrip
found 1 hour ago
Select Spirit Airlines flight, departing Sat, May 10 from Chicago to Phoenix, returning Mon, May 12, priced at $165 found 1 hour ago
Frontier Airlines
Sun, May 11 - Thu, May 15
ORD
Chicago
PHX
Phoenix
$166 Roundtrip, found 1 hour ago
$166
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Sun, May 11 from Chicago to Phoenix, returning Thu, May 15, priced at $166 found 1 hour ago
Frontier Airlines
Sat, Apr 26 - Wed, Apr 30
ORD
Chicago
PHX
Phoenix
$168 Roundtrip, found 1 hour ago
$168
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Sat, Apr 26 from Chicago to Phoenix, returning Wed, Apr 30, priced at $168 found 1 hour ago
Spirit Airlines
Sun, May 18 - Wed, May 21
ORD
Chicago
PHX
Phoenix
$171 Roundtrip, just found
$171
Roundtrip
just found
Select Spirit Airlines flight, departing Sun, May 18 from Chicago to Phoenix, returning Wed, May 21, priced at $171 just found
Frontier Airlines
Sun, May 11 - Tue, May 20
ORD
Chicago
PHX
Phoenix
$172 Roundtrip, found 1 hour ago
$172
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Sun, May 11 from Chicago to Phoenix, returning Tue, May 20, priced at $172 found 1 hour ago
American Airlines
Sat, May 17 - Tue, May 20
ORD
Chicago
PHX
Phoenix
$179 Roundtrip, just found
$179
Roundtrip
just found
Select American Airlines flight, departing Sat, May 17 from Chicago to Phoenix, returning Tue, May 20, priced at $179 just found
Southwest Airlines
Tue, May 13 - Wed, May 14
ORD
Chicago
PHX
Phoenix
$199 Roundtrip, found 11 hours ago
$199
Roundtrip
found 11 hours ago
Select Southwest Airlines flight, departing Tue, May 13 from Chicago to Phoenix, returning Wed, May 14, priced at $199 found 11 hours ago
Alaska Airlines
Tue, May 6 - Tue, May 13
ORD
Chicago
PHX
Phoenix
$208 Roundtrip, just found
$208
Roundtrip
just found
Select Alaska Airlines flight, departing Tue, May 6 from Chicago to Phoenix, returning Tue, May 13, priced at $208 just found
Flights from Chicago (ORD) to Phoenix (PHX)
Origin airport
O'Hare Intl.
Destination airport
Sky Harbor Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, JetBlue Airways, Southwest Airlines, Spirit Airlines, Sun Country Airlines, United
Roundtrip price
$157
Distance
1437 mi

Chicago to Phoenix Flights

The cheapest times to fly from Chicago to Phoenix

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 Chicago to Phoenix are during the month of April. You can find some of the cheapest flights from Chicago to Phoenix with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Chicago to Phoenix

Sunday is one of the best days to book for cheap flights from Chicago to Phoenix: 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 Chicago to Phoenix

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 Chicago to Phoenix in 2025. You can also book with separate airlines for your outbound and return journeys, from $81 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 Chicago to Phoenix 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 Chicago to Phoenix 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.

Frequently asked questions

How much does a flight from O'Hare Intl. Airport (ORD) to Sky Harbor Intl. Airport (PHX) cost?
Book cheap return fares starting from $154 from O’Hare Intl. Airport (ORD) to Sky Harbor Intl. Airport (PHX). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Frontier Airlines flight leaving ORD on April 26 2025 and touching down at PHX. The price was last updated on April 11 2025 and has not changed since.
What is the cheapest month to fly from ORD to PHX?
The cheapest flights from ORD to PHX are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from O'Hare Intl. Airport (ORD) to Sky Harbor Intl. Airport (PHX)?
Enjoy a seamless journey to Sky Harbor Intl. Airport (PHX). 4 airlines offer direct flights from O’Hare Intl. Airport (ORD), including:

  • American Airlines
  • United Airlines
  • Southwest Airlines

What is the cheapest airline that flies from ORD to PHX?
With prices as low as $74 for a one-way journey from ORD to PHX, Frontier Airlines is currently the cheapest airline on this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from ORD on June 11 2025. Prices were last updated on April 11 2025 and have not changed since.
How many flights per day from O'Hare Intl. Airport (ORD) to Sky Harbor Intl. Airport (PHX)?
With an average of 13 direct flights that operate from O’Hare Intl. Airport (ORD) to Sky Harbor Intl. Airport (PHX) each day, you’ll be jetting off in no time.
What are the most popular departure times for flights from O'Hare Intl. Airport (ORD) to Sky Harbor Intl. Airport (PHX)?
The 1 PM departures from ORD to PHX are the busiest. Prices can be higher for these popular slots. If you want to save on your trip, choose a less crowded time to fly.
What day of the week has the most flights from ORD to PHX?
If you jet off on a Friday, you’ll get the widest range of options for flights from O’Hare Intl. Airport (ORD) to Sky Harbor Intl. Airport (PHX).
What is the earliest flight from O'Hare Intl. Airport (ORD) to Sky Harbor Intl. Airport (PHX)?
The earliest flight leaving O’Hare Intl. Airport (ORD) is at around 6:00AM UTC-6. Catch this flight and you’ll touch down at Sky Harbor Intl. Airport (PHX) at approximately 9:04AM UTC-7. The overall travel time is 4h 4m.
How long does it take to fly from O'Hare Intl. Airport (ORD) to Sky Harbor Intl. Airport (PHX)?
Flights from ORD to PHX have an average travel time of 4 hours and 3 minutes. The distance between the two is 1,450 mi.
What airline has the least delays from ORD to PHX?
With 93% of journeys usually arriving on schedule, Southwest Airlines has the best on-time performance for nonstop flights from O’Hare Intl. Airport (ORD) to Sky Harbor Intl. Airport (PHX). To check your flight status and get notified if anything changes, head to the Expedia App.
What is the best time to fly from O'Hare Intl. Airport (ORD) to Sky Harbor Intl. Airport (PHX)?
To touch down at Sky Harbor Intl. Airport (PHX) on time, choose a flight that leaves from O’Hare Intl. Airport (ORD) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for Phoenix from O'Hare Intl. Airport (ORD)?
Sky Harbor Intl. Airport (PHX) is the only airport in Phoenix with direct flights from O’Hare Intl. Airport (ORD). Compare the available options and find cheap fares on Expedia.
Is it cheaper to buy a plane ticket from O'Hare Intl. Airport (ORD) to Sky Harbor Intl. Airport (PHX) last-minute?
Booking your plane ticket from ORD to PHX right before your journey is usually more expensive. But if there’s some wiggle room with your travel times and dates, you could land a cheap last-minute fare.
Is it cheaper to book an ORD to PHX flight and hotel package?
Securing an ORD to PHX flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Pick from our impressive range of stays and then add car rentals, flights and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from O'Hare Intl. Airport (ORD) to Sky Harbor Intl. Airport (PHX)?
Usually, it’s possible to cancel or reschedule your ORD to PHX flight. However, for bookings made more than 24 hours ago, additional charges may apply. Check your airline’s policies in your itinerary to see what changes are possible and if any costs are involved. You’ll also find further details on our Customer Service portal.

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*Available to One Key members.