$158 Cheap Flights from Champaign (CMI) to Chattanooga (CHA)

View $158 flight on Thu, Dec 4, 2025Opens in a new window

Popular airlines from Champaign, IL (CMI-University Of Illinois Urbana-Champaign Williard) to Chattanooga Metropolitan Airport (CHA)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Champaign to Chattanooga (CMI-CHA)

Prices were available within the past 7 days and start at $158 for one-way flights and $316 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Nov 5 - Wed, Nov 12
CMI
Champaign
CHA
Chattanooga
$316 Roundtrip, found 2 days ago
$316
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Nov 5 from Champaign to Chattanooga, returning Wed, Nov 12, priced at $316 found 2 days ago
American Airlines
Thu, Dec 4 - Sun, Dec 14
CMI
Champaign
CHA
Chattanooga
$346 Roundtrip, found 21 hours ago
$346
Roundtrip
found 21 hours ago
Select American Airlines flight, departing Thu, Dec 4 from Champaign to Chattanooga, returning Sun, Dec 14, priced at $346 found 21 hours ago
American Airlines
Wed, Nov 5 - Wed, Nov 12
CMI
Champaign
CHA
Chattanooga
$373 Roundtrip, found 2 days ago
$373
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Nov 5 from Champaign to Chattanooga, returning Wed, Nov 12, priced at $373 found 2 days ago
American Airlines
Sun, Nov 2 - Tue, Nov 18
CMI
Champaign
CHA
Chattanooga
$376 Roundtrip, found 10 hours ago
$376
Roundtrip
found 10 hours ago
Select American Airlines flight, departing Sun, Nov 2 from Champaign to Chattanooga, returning Tue, Nov 18, priced at $376 found 10 hours ago
American Airlines
Tue, Nov 4 - Tue, Nov 18
CMI
Champaign
CHA
Chattanooga
$382 Roundtrip, found 10 hours ago
$382
Roundtrip
found 10 hours ago
Select American Airlines flight, departing Tue, Nov 4 from Champaign to Chattanooga, returning Tue, Nov 18, priced at $382 found 10 hours ago
American Airlines
Tue, Nov 25 - Tue, Dec 9
CMI
Champaign
CHA
Chattanooga
$387 Roundtrip, found 10 hours ago
$387
Roundtrip
found 10 hours ago
Select American Airlines flight, departing Tue, Nov 25 from Champaign to Chattanooga, returning Tue, Dec 9, priced at $387 found 10 hours ago
American Airlines
Wed, Jul 16 - Sat, Jul 19
CMI
Champaign
CHA
Chattanooga
$388 Roundtrip, found 3 days ago
$388
Roundtrip
found 3 days ago
Select American Airlines flight, departing Wed, Jul 16 from Champaign to Chattanooga, returning Sat, Jul 19, priced at $388 found 3 days ago
American Airlines
Tue, Aug 5 - Wed, Aug 20
CMI
Champaign
CHA
Chattanooga
$392 Roundtrip, found 12 hours ago
$392
Roundtrip
found 12 hours ago
Select American Airlines flight, departing Tue, Aug 5 from Champaign to Chattanooga, returning Wed, Aug 20, priced at $392 found 12 hours ago
American Airlines
Tue, Aug 5 - Sat, Aug 16
CMI
Champaign
CHA
Chattanooga
$397 Roundtrip, found 12 hours ago
$397
Roundtrip
found 12 hours ago
Select American Airlines flight, departing Tue, Aug 5 from Champaign to Chattanooga, returning Sat, Aug 16, priced at $397 found 12 hours ago
American Airlines
Sun, Oct 26 - Fri, Nov 14
CMI
Champaign
CHA
Chattanooga
$412 Roundtrip, found 13 hours ago
$412
Roundtrip
found 13 hours ago
Select American Airlines flight, departing Sun, Oct 26 from Champaign to Chattanooga, returning Fri, Nov 14, priced at $412 found 13 hours ago
Flights from Champaign (CMI) to Chattanooga (CHA)
Origin airport
University Of Illinois Urbana-Champaign Williard
Destination airport
Chattanooga Metropolitan
Airlines serving
American Airlines
Roundtrip price
$316
Distance
384 mi

Champaign to Chattanooga Flights

The cheapest times to fly from Champaign to Chattanooga

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

 

The best time to book a flight from Champaign to Chattanooga

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

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 Chattanooga in 2025. You can also book with separate airlines for your outbound and return journeys, from $158 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 Chattanooga 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 Chattanooga 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 Chattanooga Metropolitan Airport (CHA) cost?
Discover the latest flight deals from CMI to CHA 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 CMI to CHA?
The cheapest flights from CMI to CHA 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 CMI to CHA?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from CMI to CHA. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from University Of Illinois Urbana-Champaign Williard Airport (CMI) to Chattanooga Metropolitan Airport (CHA)?
You'll need to catch a flight with a layover when traveling from University Of Illinois Urbana-Champaign Williard Airport (CMI) to Chattanooga Metropolitan Airport (CHA). Direct flights don't operate daily on this route. However, just filter your search to include one or two stops to discover the best option for your trip.
What day of the week has the most flights from CMI to CHA?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can change based on a number of factors, such as the time of year and carrier.*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 Chattanooga Metropolitan Airport (CHA)?
Choose a flight from University Of Illinois Urbana-Champaign Williard Airport (CMI) to Chattanooga Metropolitan Airport (CHA) that takes off before 3 PM to reduce the risk of cancellations. Departures after this hour 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 Chattanooga Metropolitan Airport (CHA) last-minute?
Waiting until just before your trip to book your flight from CMI to CHA often results in higher prices. Although you may find some last-minute offers, they're not always guaranteed. Keep your travel plans flexible for a better chance of landing a bargain.
Is it cheaper to book a CMI to CHA flight and hotel package?
You'll generally save money by securing a CMI to CHA flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. After selecting your preferred flights and accommodations, consider adding extras like car rentals, tours and activities.
Can I cancel or change the date of my flight from University Of Illinois Urbana-Champaign Williard Airport (CMI) to Chattanooga Metropolitan Airport (CHA)?
Typically, you can cancel or reschedule your CMI to CHA flight. However, there may be additional fees, especially if you made your booking over 24 hours ago. Check your itinerary for the airline's fees and rules on flight changes, or if you want more details, head to our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.