$197 Cheap Flights from Atlanta (ATL) to Champaign (CMI)

View $197 flight on Fri, Aug 15, 2025Opens in a new window

Popular airlines from Hartsfield-Jackson Atlanta International Airport (ATL) to Champaign, IL (CMI-University Of Illinois Urbana-Champaign Williard)

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Cheap Flights from Atlanta to Champaign (ATL-CMI)

Prices were available within the past 7 days and start at $197 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
Fri, Sep 26 - Sat, Sep 27
ATL
Atlanta
CMI
Champaign
$316 Roundtrip, found 2 hours ago
$316
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Fri, Sep 26 from Atlanta to Champaign, returning Sat, Sep 27, priced at $316 found 2 hours ago
American Airlines
Thu, Aug 14 - Sun, Aug 17
ATL
Atlanta
CMI
Champaign
$322 Roundtrip, found 10 hours ago
$322
Roundtrip
found 10 hours ago
Select American Airlines flight, departing Thu, Aug 14 from Atlanta to Champaign, returning Sun, Aug 17, priced at $322 found 10 hours ago
American Airlines
Thu, Aug 21 - Sun, Aug 24
ATL
Atlanta
CMI
Champaign
$326 Roundtrip, just found
$326
Roundtrip
just found
Select American Airlines flight, departing Thu, Aug 21 from Atlanta to Champaign, returning Sun, Aug 24, priced at $326 just found
American Airlines
Thu, Aug 21 - Sun, Aug 24
ATL
Atlanta
CMI
Champaign
$332 Roundtrip, just found
$332
Roundtrip
just found
Select American Airlines flight, departing Thu, Aug 21 from Atlanta to Champaign, returning Sun, Aug 24, priced at $332 just found
American Airlines
Sat, Jul 26 - Fri, Aug 1
ATL
Atlanta
CMI
Champaign
$341 Roundtrip, found 5 days ago
$341
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sat, Jul 26 from Atlanta to Champaign, returning Fri, Aug 1, priced at $341 found 5 days ago
American Airlines
Fri, Aug 8 - Sat, Aug 9
ATL
Atlanta
CMI
Champaign
$346 Roundtrip, just found
$346
Roundtrip
just found
Select American Airlines flight, departing Fri, Aug 8 from Atlanta to Champaign, returning Sat, Aug 9, priced at $346 just found
American Airlines
Thu, Aug 7 - Sun, Aug 10
ATL
Atlanta
CMI
Champaign
$352 Roundtrip, just found
$352
Roundtrip
just found
Select American Airlines flight, departing Thu, Aug 7 from Atlanta to Champaign, returning Sun, Aug 10, priced at $352 just found
American Airlines
Fri, Oct 24 - Sun, Oct 26
ATL
Atlanta
CMI
Champaign
$353 Roundtrip, found 4 days ago
$353
Roundtrip
found 4 days ago
Select American Airlines flight, departing Fri, Oct 24 from Atlanta to Champaign, returning Sun, Oct 26, priced at $353 found 4 days ago
American Airlines
Thu, Aug 21 - Sun, Aug 24
ATL
Atlanta
CMI
Champaign
$356 Roundtrip, just found
$356
Roundtrip
just found
Select American Airlines flight, departing Thu, Aug 21 from Atlanta to Champaign, returning Sun, Aug 24, priced at $356 just found
American Airlines
Sat, Jul 26 - Fri, Aug 1
ATL
Atlanta
CMI
Champaign
$361 Roundtrip, found 5 days ago
$361
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sat, Jul 26 from Atlanta to Champaign, returning Fri, Aug 1, priced at $361 found 5 days ago

Find the cheapest month to fly from Atlanta (ATL) to Champaign (CMI)

September is typically the cheapest month to fly

From $228 - $583 per traveler.

Graph displaying average flight prices per month

Flights from Atlanta (ATL) to Champaign (CMI)
Origin airport
Hartsfield-Jackson Atlanta Intl.
Destination airport
University Of Illinois Urbana-Champaign Williard
Airlines serving
American Airlines
Roundtrip price
$316
Distance
489 mi

Atlanta to Champaign Flights

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

 

The best time to book a flight from Atlanta to Champaign

Sunday is one of the best days to book for cheap flights from Atlanta 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 Atlanta 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 Atlanta to Champaign in 2025. You can also book with separate airlines for your outbound and return journeys, from $197 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 Atlanta 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 Atlanta 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 Hartsfield-Jackson Atlanta Intl. Airport (ATL) to University Of Illinois Urbana-Champaign Williard Airport (CMI) cost?
Discover the latest flight deals from ATL 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 ATL to CMI?
The cheapest flights from ATL 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 ATL to CMI?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from ATL to CMI. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to University Of Illinois Urbana-Champaign Williard Airport (CMI)?
You'll have to book a flight with a layover when traveling from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to University Of Illinois Urbana-Champaign Williard Airport (CMI). There are no daily direct flights on this route. However, simply filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from ATL to CMI?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can change based on a range 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 Hartsfield-Jackson Atlanta Intl. Airport (ATL) to University Of Illinois Urbana-Champaign Williard Airport (CMI)?
To land at University Of Illinois Urbana-Champaign Williard Airport (CMI) on schedule, book a flight that leaves Hartsfield-Jackson Atlanta Intl. Airport (ATL) 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.
What airports do you fly into for Champaign from Hartsfield-Jackson Atlanta Intl. Airport (ATL)?
If you've booked a direct flight from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to Champaign, Central Illinois Regional Airport (BMI) is the only airport you can land at.
Is it cheaper to buy a plane ticket from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to University Of Illinois Urbana-Champaign Williard Airport (CMI) last-minute?
Booking your flight from ATL to CMI shortly before your getaway is usually more expensive. But if there's some wiggle room with your travel times and dates, you could score a cheap last-minute fare.
Is it cheaper to book an ATL to CMI flight and hotel package?
You'll generally save money by booking an ATL to CMI flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. After choosing your preferred flights and accommodations, consider adding extras including tours, activities and car rentals.
Can I cancel or change the date of my flight from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to University Of Illinois Urbana-Champaign Williard Airport (CMI)?
In most cases, you're able to reschedule or cancel your ATL to CMI flight. However, additional fees may apply, especially if your booking was made over 24 hours ago. Double-check your itinerary for the airline's fees and guidelines on flight changes, or if you need further information, head to our Customer Service portal.

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*Available to One Key members.