$178 Cheap Flights from Austin (AUS) to Champaign (CMI)

View $178 flight on Thu, May 29, 2025Opens in a new window

Popular airlines from Austin-Bergstrom Intl. Airport (AUS) to Champaign, IL (CMI-University Of Illinois Urbana-Champaign Williard)

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Find available prices by choosing your travel dates.

Cheap Flights from Austin to Champaign (AUS-CMI)

Prices were available within the past 7 days and start at $178 for one-way flights and $356 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, Sep 13 - Tue, Sep 16
AUS
Austin
CMI
Champaign
$356 Roundtrip, found 22 hours ago
$356
Roundtrip
found 22 hours ago
Select American Airlines flight, departing Sat, Sep 13 from Austin to Champaign, returning Tue, Sep 16, priced at $356 found 22 hours ago
American Airlines
Fri, May 30 - Sat, May 31
AUS
Austin
CMI
Champaign
$392 Roundtrip, found 23 hours ago
$392
Roundtrip
found 23 hours ago
Select American Airlines flight, departing Fri, May 30 from Austin to Champaign, returning Sat, May 31, priced at $392 found 23 hours ago
American Airlines
Sat, May 10 - Sun, May 11
AUS
Austin
CMI
Champaign
$396 Roundtrip, found 6 days ago
$396
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sat, May 10 from Austin to Champaign, returning Sun, May 11, priced at $396 found 6 days ago
American Airlines
Sat, Jun 14 - Wed, Jun 18
AUS
Austin
CMI
Champaign
$398 Roundtrip, found 2 days ago
$398
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Jun 14 from Austin to Champaign, returning Wed, Jun 18, priced at $398 found 2 days ago
American Airlines
Fri, May 23 - Mon, May 26
AUS
Austin
CMI
Champaign
$416 Roundtrip, found 3 hours ago
$416
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Fri, May 23 from Austin to Champaign, returning Mon, May 26, priced at $416 found 3 hours ago
American Airlines
Sun, Dec 28 - Sun, Jan 11
AUS
Austin
CMI
Champaign
$422 Roundtrip, found 6 days ago
$422
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sun, Dec 28 from Austin to Champaign, returning Sun, Jan 11, priced at $422 found 6 days ago
American Airlines
Sat, May 3 - Sat, May 10
AUS
Austin
CMI
Champaign
$425 Roundtrip, found 6 days ago
$425
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sat, May 3 from Austin to Champaign, returning Sat, May 10, priced at $425 found 6 days ago
American Airlines
Sat, Nov 1 - Sat, Nov 8
AUS
Austin
CMI
Champaign
$426 Roundtrip, found 11 hours ago
$426
Roundtrip
found 11 hours ago
Select American Airlines flight, departing Sat, Nov 1 from Austin to Champaign, returning Sat, Nov 8, priced at $426 found 11 hours ago
American Airlines
Sun, Nov 2 - Wed, Nov 5
AUS
Austin
CMI
Champaign
$428 Roundtrip, found 11 hours ago
$428
Roundtrip
found 11 hours ago
Select American Airlines flight, departing Sun, Nov 2 from Austin to Champaign, returning Wed, Nov 5, priced at $428 found 11 hours ago
American Airlines
Sat, May 10 - Sun, May 11
AUS
Austin
CMI
Champaign
$431 Roundtrip, found 6 days ago
$431
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sat, May 10 from Austin to Champaign, returning Sun, May 11, priced at $431 found 6 days ago
Flights from Austin (AUS) to Champaign (CMI)
Origin airport
Austin-Bergstrom Intl.
Destination airport
University Of Illinois Urbana-Champaign Williard
Airlines serving
American Airlines
Roundtrip price
$356
Distance
861 mi

Austin to Champaign Flights

The cheapest times to fly from Austin 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 Austin to Champaign are during the month of September. You can find some of the cheapest flights from Austin to Champaign with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Austin to Champaign

Sunday is one of the best days to book for cheap flights from Austin 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 Austin 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 Austin to Champaign in 2025. You can also book with separate airlines for your outbound and return journeys, from $178 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 Austin 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 Austin 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 Austin-Bergstrom Intl. Airport (AUS) to University Of Illinois Urbana-Champaign Williard Airport (CMI) cost?
Discover the latest flight deals from AUS to CMI by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from AUS to CMI?
The cheapest flights from AUS to CMI are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from AUS to CMI?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from AUS to CMI. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Austin-Bergstrom Intl. Airport (AUS) to University Of Illinois Urbana-Champaign Williard Airport (CMI)?
There are no daily direct flights available from Austin-Bergstrom Intl. Airport (AUS) to University Of Illinois Urbana-Champaign Williard Airport (CMI). But you can opt for flights with layovers. Filter your search results on Expedia to include one or two stops, and you’ll be cruising above the clouds in no time.
What day of the week has the most flights from AUS to CMI?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can vary based on a number of factors, such as the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Austin-Bergstrom Intl. Airport (AUS) to University Of Illinois Urbana-Champaign Williard Airport (CMI)?
To arrive at University Of Illinois Urbana-Champaign Williard Airport (CMI) on schedule, select a flight that takes off from Austin-Bergstrom Intl. Airport (AUS) 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.
Is it cheaper to buy a plane ticket from Austin-Bergstrom Intl. Airport (AUS) to University Of Illinois Urbana-Champaign Williard Airport (CMI) last-minute?
Booking your plane ticket from AUS to CMI right before your journey is usually more expensive. However, if there’s some wiggle room with your travel times and dates, you could bag a cheap last-minute fare.
Is it cheaper to book an AUS to CMI flight and hotel package?
Compared with arranging flights and hotels separately, booking an AUS to CMI flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one convenient place takes the hassle out of planning your trip. Simply pick your flights and select from our extensive range of hotels, then customize your trip with other add-ons like activities and car rentals.
Can I cancel or change the date of my flight from Austin-Bergstrom Intl. Airport (AUS) to University Of Illinois Urbana-Champaign Williard Airport (CMI)?
If you booked your AUS 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, visit our Customer Service portal if you want more information.

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*Available to One Key members.