$122 Cheap Flights from Chicago (ORD) to Mesa (AZA)

View $122 flight on Mon, Nov 17, 2025Opens in a new window

Popular airlines from Chicago O'Hare Intl. Airport (ORD) to Phoenix - Mesa Gateway Airport (AZA)

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Cheap Flights from Chicago to Mesa (ORD-AZA)

Prices were available within the past 7 days and start at $122 for one-way flights and $263 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun Country Airlines
Mon, Nov 17 - Wed, Nov 26
ORD
Chicago
AZA
Mesa
$263 Roundtrip, found 6 days ago
$263
Roundtrip
found 6 days ago
Select Sun Country Airlines flight, departing Mon, Nov 17 from Chicago to Mesa, returning Wed, Nov 26, priced at $263 found 6 days ago
Sun Country Airlines
Mon, Nov 17 - Wed, Nov 26
ORD
Chicago
AZA
Mesa
$293 Roundtrip, found 5 days ago
$293
Roundtrip
found 5 days ago
Select Sun Country Airlines flight, departing Mon, Nov 17 from Chicago to Mesa, returning Wed, Nov 26, priced at $293 found 5 days ago
Sun Country Airlines
Mon, Nov 17 - Wed, Nov 26
ORD
Chicago
AZA
Mesa
$303 Roundtrip, found 19 hours ago
$303
Roundtrip
found 19 hours ago
Select Sun Country Airlines flight, departing Mon, Nov 17 from Chicago to Mesa, returning Wed, Nov 26, priced at $303 found 19 hours ago
Sun Country Airlines
Thu, Nov 13 - Wed, Nov 26
ORD
Chicago
AZA
Mesa
$307 Roundtrip, found 5 days ago
$307
Roundtrip
found 5 days ago
Select Sun Country Airlines flight, departing Thu, Nov 13 from Chicago to Mesa, returning Wed, Nov 26, priced at $307 found 5 days ago
Sun Country Airlines
Mon, Nov 17 - Tue, Nov 25
ORD
Chicago
AZA
Mesa
$308 Roundtrip, found 3 days ago
$308
Roundtrip
found 3 days ago
Select Sun Country Airlines flight, departing Mon, Nov 17 from Chicago to Mesa, returning Tue, Nov 25, priced at $308 found 3 days ago
Sun Country Airlines
Mon, Nov 24 - Wed, Nov 26
ORD
Chicago
AZA
Mesa
$313 Roundtrip, found 6 days ago
$313
Roundtrip
found 6 days ago
Select Sun Country Airlines flight, departing Mon, Nov 24 from Chicago to Mesa, returning Wed, Nov 26, priced at $313 found 6 days ago
Sun Country Airlines
Fri, Nov 28 - Fri, Dec 19
ORD
Chicago
AZA
Mesa
$314 Roundtrip, found 6 days ago
$314
Roundtrip
found 6 days ago
Select Sun Country Airlines flight, departing Fri, Nov 28 from Chicago to Mesa, returning Fri, Dec 19, priced at $314 found 6 days ago
Sun Country Airlines
Mon, Nov 17 - Wed, Nov 26
ORD
Chicago
AZA
Mesa
$317 Roundtrip, found 3 days ago
$317
Roundtrip
found 3 days ago
Select Sun Country Airlines flight, departing Mon, Nov 17 from Chicago to Mesa, returning Wed, Nov 26, priced at $317 found 3 days ago
Sun Country Airlines
Fri, Nov 28 - Thu, Dec 11
ORD
Chicago
AZA
Mesa
$319 Roundtrip, found 6 days ago
$319
Roundtrip
found 6 days ago
Select Sun Country Airlines flight, departing Fri, Nov 28 from Chicago to Mesa, returning Thu, Dec 11, priced at $319 found 6 days ago
Sun Country Airlines
Thu, Dec 18 - Wed, Dec 31
ORD
Chicago
AZA
Mesa
$322 Roundtrip, found 19 hours ago
$322
Roundtrip
found 19 hours ago
Select Sun Country Airlines flight, departing Thu, Dec 18 from Chicago to Mesa, returning Wed, Dec 31, priced at $322 found 19 hours ago

Alternative airports near Mesa

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

Select flight to Sky Harbor Intl. PHX. Cheapest option available. Average driving time to city center is 18 minutes. Flights from $132
PHX
Sky Harbor Intl.
Cheapest
Average driving time to city center18 min
Flights from $132

Frequently asked questions

How much does a flight from O'Hare Intl. Airport (ORD) to Phoenix - Mesa Gateway Airport (AZA) cost?
Snag a cheap one-way flight from $122 or cheap return flight from $263 from O'Hare Intl. Airport (ORD) to Phoenix - Mesa Gateway Airport (AZA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from O'Hare Intl. Airport (ORD) to Phoenix - Mesa Gateway Airport (AZA)?
Planning your getaway for November is a good way to save, as it's the cheapest month for flights between ORD and AZA. You'll typically find the lowest fares during off-peak months.
What is the cheapest airline that flies from O'Hare Intl. Airport (ORD) to Phoenix - Mesa Gateway Airport (AZA)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll take you from ORD to AZA. Then, sort your results by "Price (lowest to highest)" to score a great deal.
How many flights per day from O'Hare Intl. Airport (ORD) to Phoenix - Mesa Gateway Airport (AZA)?
Direct flights from O'Hare Intl. Airport (ORD) to Phoenix - Mesa Gateway Airport (AZA) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from ORD to AZA?
Generally you'll find the greatest selection of flight options on a Friday. Tuesdays are often the quietest.* However, this can change depending on the airline, time of year and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from O'Hare Intl. Airport (ORD) to Phoenix - Mesa Gateway Airport (AZA)?
To arrive at Phoenix - Mesa Gateway Airport (AZA) without delays, pick a flight that leaves O'Hare Intl. Airport (ORD) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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)?
Compare your flight options from O'Hare Intl. Airport (ORD) to Sky Harbor Intl. Airport (PHX). This is the only airport in Phoenix you can arrive at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from O'Hare Intl. Airport (ORD) to Phoenix - Mesa Gateway Airport (AZA) last-minute?
Booking your ticket from ORD to AZA right before your journey is typically more expensive. However, if there's some wiggle room with your departure dates and times, you could land a cheap last-minute fare.
Is it cheaper to book an ORD to AZA flight and hotel package?
Compared with arranging hotels and flights separately, booking an ORD to AZA flight and hotel package with Expedia could result in significant savings. Better still, managing everything in one place takes the hassle out of travel planning. Simply pick your flights and select from our wide range of stays, then tailor your trip with extras like tours and car rentals.
Can I cancel or change the date of my flight from O'Hare Intl. Airport (ORD) to Phoenix - Mesa Gateway Airport (AZA)?
If you reserved your ORD to AZA flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more details.

Travel information

Origin airport
O'Hare Intl.
Destination airport
Phoenix - Mesa Gateway
Airlines serving
Sun Country Airlines
Roundtrip price
$263
Distance
1425 mi

Book with confidence

Chicago to Mesa Flights

The cheapest times to fly from Chicago to Mesa

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

 

The best time to book a flight from Chicago to Mesa

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

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 Mesa in 2025. You can also book with separate airlines for your outbound and return journeys, from $122 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 Mesa 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 Mesa 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.

 

Chicago to Mesa Flights

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*Available to One Key members.