$263 Cheap Flights from Champaign (CMI) to Austin (AUS)

View $263 flight on Thu, Sep 4, 2025Opens in a new window

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

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Cheap Flights from Champaign to Austin (CMI-AUS)

Prices were available within the past 7 days and start at $263 for one-way flights and $306 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Nov 26 - Wed, Dec 3
CMI
Champaign
AUS
Austin
$306 Roundtrip, found 2 days ago
$306
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Nov 26 from Champaign to Austin, returning Wed, Dec 3, priced at $306 found 2 days ago
American Airlines
Fri, Oct 24 - Tue, Oct 28
CMI
Champaign
AUS
Austin
$326 Roundtrip, found 8 hours ago
$326
Roundtrip
found 8 hours ago
Select American Airlines flight, departing Fri, Oct 24 from Champaign to Austin, returning Tue, Oct 28, priced at $326 found 8 hours ago
American Airlines
Thu, Nov 13 - Sun, Nov 16
CMI
Champaign
AUS
Austin
$346 Roundtrip, found 1 day ago
$346
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Nov 13 from Champaign to Austin, returning Sun, Nov 16, priced at $346 found 1 day ago
American Airlines
Wed, Nov 26 - Wed, Dec 3
CMI
Champaign
AUS
Austin
$366 Roundtrip, found 2 days ago
$366
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Nov 26 from Champaign to Austin, returning Wed, Dec 3, priced at $366 found 2 days ago
American Airlines
Fri, Oct 24 - Tue, Oct 28
CMI
Champaign
AUS
Austin
$367 Roundtrip, found 8 hours ago
$367
Roundtrip
found 8 hours ago
Select American Airlines flight, departing Fri, Oct 24 from Champaign to Austin, returning Tue, Oct 28, priced at $367 found 8 hours ago
American Airlines
Wed, Nov 12 - Sat, Nov 15
CMI
Champaign
AUS
Austin
$376 Roundtrip, found 1 day ago
$376
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Nov 12 from Champaign to Austin, returning Sat, Nov 15, priced at $376 found 1 day ago
American Airlines
Wed, Nov 26 - Sat, Dec 13
CMI
Champaign
AUS
Austin
$382 Roundtrip, found 5 days ago
$382
Roundtrip
found 5 days ago
Select American Airlines flight, departing Wed, Nov 26 from Champaign to Austin, returning Sat, Dec 13, priced at $382 found 5 days ago
American Airlines
Wed, Dec 31 - Sat, Jan 3
CMI
Champaign
AUS
Austin
$384 Roundtrip, found 2 days ago
$384
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Dec 31 from Champaign to Austin, returning Sat, Jan 3, priced at $384 found 2 days ago
American Airlines
Wed, Nov 19 - Fri, Nov 28
CMI
Champaign
AUS
Austin
$386 Roundtrip, found 3 days ago
$386
Roundtrip
found 3 days ago
Select American Airlines flight, departing Wed, Nov 19 from Champaign to Austin, returning Fri, Nov 28, priced at $386 found 3 days ago
American Airlines
Thu, Nov 13 - Sun, Nov 16
CMI
Champaign
AUS
Austin
$387 Roundtrip, found 1 day ago
$387
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Nov 13 from Champaign to Austin, returning Sun, Nov 16, priced at $387 found 1 day ago

Alternative airports near Austin

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

Select flight to Austin-Bergstrom Intl. AUS. Cheapest and Closest option available. Average driving time to city center is 11 minutes. Flights from $540
AUS
Austin-Bergstrom Intl.
CheapestClosest
Average driving time to city center11 min
Flights from $540
Flights from Champaign (CMI) to Austin (AUS)
Origin airport
University Of Illinois Urbana-Champaign Williard
Destination airport
Austin-Bergstrom Intl.
Airlines serving
American Airlines
Roundtrip price
$306
Distance
861 mi

Champaign to Austin Flights

The cheapest times to fly from Champaign to Austin

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

 

The best time to book a flight from Champaign to Austin

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

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 Champaign to Austin in 2025. You can also book with separate airlines for your outbound and return journeys, from $263 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 Champaign to Austin 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 Champaign to Austin 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 University Of Illinois Urbana-Champaign Williard Airport (CMI) to Austin-Bergstrom Intl. Airport (AUS) cost?
Secure a cheap one-way flight from $263 or cheap return flight from $306 from University Of Illinois Urbana-Champaign Williard Airport (CMI) to Austin-Bergstrom Intl. Airport (AUS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from University Of Illinois Urbana-Champaign Williard Airport (CMI) to Austin-Bergstrom Intl. Airport (AUS)?
November is the least expensive month to fly from CMI to AUS. Planning your trip for the off-season is often the key to finding a great deal.
What is the cheapest airline that flies from University Of Illinois Urbana-Champaign Williard Airport (CMI) to Austin-Bergstrom Intl. Airport (AUS)?
To find the cheapest airline that'll fly you from CMI to AUS, use Expedia's filter tool. Tailor your search based on your travel style, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from University Of Illinois Urbana-Champaign Williard Airport (CMI) to Austin-Bergstrom Intl. Airport (AUS)?
Direct flights from University Of Illinois Urbana-Champaign Williard Airport (CMI) to Austin-Bergstrom Intl. Airport (AUS) 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 details and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from CMI to AUS?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can vary depending on a range of factors, including 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 University Of Illinois Urbana-Champaign Williard Airport (CMI) to Austin-Bergstrom Intl. Airport (AUS)?
Book a flight from University Of Illinois Urbana-Champaign Williard Airport (CMI) to Austin-Bergstrom Intl. Airport (AUS) that leaves before 3 PM to reduce the likelihood of delays and cancellations. Later departures are on average 22% more likely to be canceled.**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 University Of Illinois Urbana-Champaign Williard Airport (CMI) to Austin-Bergstrom Intl. Airport (AUS) last-minute?
Waiting until just before your departure to book a ticket from CMI to AUS often results in higher prices. While you might find some last-minute discounts, there's no guarantee. Keep your travel schedule open for a better chance of snagging a bargain.
Is it cheaper to book a CMI to AUS flight and hotel package?
Compared with arranging hotels and flights separately, booking a CMI to AUS flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one easy place will take the stress out of planning your trip. Just secure your flights and choose from our wide range of hotels, then tailor your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from University Of Illinois Urbana-Champaign Williard Airport (CMI) to Austin-Bergstrom Intl. Airport (AUS)?
If you reserved your CMI to AUS flight in the last 24 hours, you may be able to modify or cancel it without fees. 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 for more details.

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*Available to One Key members.