$243 Cheap Flights from Phoenix (PHX) to Champaign (CMI)

View $243 flight on Tue, Oct 7, 2025Opens in a new window

Popular airlines from Phoenix Sky Harbor Intl. Airport (PHX) to Champaign, IL (CMI-University Of Illinois Urbana-Champaign Williard)

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Cheap Flights from Phoenix to Champaign (PHX-CMI)

Prices were available within the past 7 days and start at $243 for one-way flights and $406 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, May 5 - Sat, May 9
PHX
Phoenix
CMI
Champaign
$406 Roundtrip, found 6 hours ago
$406
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Tue, May 5 from Phoenix to Champaign, returning Sat, May 9, priced at $406 found 6 hours ago
American Airlines
Sat, Sep 20 - Sun, Sep 21
PHX
Phoenix
CMI
Champaign
$428 Roundtrip, found 2 days ago
$428
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Sep 20 from Phoenix to Champaign, returning Sun, Sep 21, priced at $428 found 2 days ago
American Airlines
Sat, Sep 20 - Sun, Sep 21
PHX
Phoenix
CMI
Champaign
$434 Roundtrip, found 4 days ago
$434
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sat, Sep 20 from Phoenix to Champaign, returning Sun, Sep 21, priced at $434 found 4 days ago
American Airlines
Tue, May 5 - Sat, May 9
PHX
Phoenix
CMI
Champaign
$434 Roundtrip, found 6 hours ago
$434
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Tue, May 5 from Phoenix to Champaign, returning Sat, May 9, priced at $434 found 6 hours ago
American Airlines
Thu, Sep 18 - Mon, Sep 22
PHX
Phoenix
CMI
Champaign
$450 Roundtrip, found 16 hours ago
$450
Roundtrip
found 16 hours ago
Select American Airlines flight, departing Thu, Sep 18 from Phoenix to Champaign, returning Mon, Sep 22, priced at $450 found 16 hours ago
American Airlines
Tue, May 5 - Sat, May 9
PHX
Phoenix
CMI
Champaign
$462 Roundtrip, found 6 hours ago
$462
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Tue, May 5 from Phoenix to Champaign, returning Sat, May 9, priced at $462 found 6 hours ago
American Airlines
Tue, Oct 7 - Sun, Oct 12
PHX
Phoenix
CMI
Champaign
$473 Roundtrip, found 2 days ago
$473
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Oct 7 from Phoenix to Champaign, returning Sun, Oct 12, priced at $473 found 2 days ago
American Airlines
Tue, May 5 - Sat, May 9
PHX
Phoenix
CMI
Champaign
$481 Roundtrip, found 6 hours ago
$481
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Tue, May 5 from Phoenix to Champaign, returning Sat, May 9, priced at $481 found 6 hours ago
American Airlines
Tue, May 5 - Sat, May 9
PHX
Phoenix
CMI
Champaign
$486 Roundtrip, found 6 hours ago
$486
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Tue, May 5 from Phoenix to Champaign, returning Sat, May 9, priced at $486 found 6 hours ago
American Airlines
Tue, May 5 - Sat, May 9
PHX
Phoenix
CMI
Champaign
$490 Roundtrip, found 6 hours ago
$490
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Tue, May 5 from Phoenix to Champaign, returning Sat, May 9, priced at $490 found 6 hours ago

Alternative airports near Champaign

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

Select flight to University Of Illinois Urbana-Champaign Williard CMI. Cheapest and Closest option available. Average driving time to city center is 11 minutes. Flights from $486
CMI
University Of Illinois Urbana-Champaign Williard
CheapestClosest
Average driving time to city center11 min
Flights from $486
Flights from Phoenix (PHX) to Champaign (CMI)
Origin airport
Sky Harbor Intl.
Destination airport
University Of Illinois Urbana-Champaign Williard
Airlines serving
American Airlines
Roundtrip price
$406
Distance
1386 mi

Phoenix to Champaign Flights

The cheapest times to fly from Phoenix to Champaign

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

 

The best time to book a flight from Phoenix to Champaign

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

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 Champaign in 2025. You can also book with separate airlines for your outbound and return journeys, from $243 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 Champaign 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 Champaign 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 Sky Harbor Intl. Airport (PHX) to University Of Illinois Urbana-Champaign Williard Airport (CMI) cost?
Get a cheap one-way flight from $243 or cheap return flight from $406 from Sky Harbor Intl. Airport (PHX) to University Of Illinois Urbana-Champaign Williard Airport (CMI) 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 Sky Harbor Intl. Airport (PHX) to University Of Illinois Urbana-Champaign Williard Airport (CMI)?
Flying in May is a great way to save, as it's the cheapest month for flights between PHX and CMI. You'll usually find the lowest fares during the off-season.
What is the cheapest airline that flies from Sky Harbor Intl. Airport (PHX) to University Of Illinois Urbana-Champaign Williard Airport (CMI)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest PHX to CMI flight.
How many flights per day from Sky Harbor Intl. Airport (PHX) to University Of Illinois Urbana-Champaign Williard Airport (CMI)?
Direct flights from Sky Harbor Intl. Airport (PHX) to University Of Illinois Urbana-Champaign Williard Airport (CMI) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from PHX to CMI?
Generally you'll have the most choice when it comes to flights on a Friday. Tuesdays tend to be the quietest.* But this can change depending on the season, airline 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 Sky Harbor Intl. Airport (PHX) to University Of Illinois Urbana-Champaign Williard Airport (CMI)?
To avoid possible delays on the Sky Harbor Intl. Airport (PHX) to University Of Illinois Urbana-Champaign Williard Airport (CMI) route, fly before 3 PM. Departures after this time have a 22% higher chance of cancellation.**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.
Is it cheaper to buy a plane ticket from Sky Harbor Intl. Airport (PHX) to University Of Illinois Urbana-Champaign Williard Airport (CMI) last-minute?
Last-minute bookings from PHX to CMI are usually more expensive. To lock in the lowest rates, start searching for flights as soon as possible. That being said, if you can play around with your travel dates, it's possible to land a cheap fare right before you leave.
Is it cheaper to book a PHX to CMI flight and hotel package?
Compared with arranging hotels and flights separately, booking a PHX to CMI flight and hotel package with Expedia could result in significant savings. Better still, having everything in one convenient place takes the hassle out of travel planning. Simply secure your flights and choose from our wide range of hotels, then personalize your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Sky Harbor Intl. Airport (PHX) to University Of Illinois Urbana-Champaign Williard Airport (CMI)?
If you booked your PHX to CMI flight in the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of fare you purchased, 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 for more details.

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*Available to One Key members.