$248 Cheap Flights from Atlanta (ATL) to Champaign (CMI)

View $248 flight on Sat, Sep 20, 2025Opens in a new window

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

Cheap Flights from Atlanta to Champaign (ATL-CMI)

Prices were available within the past 7 days and start at $248 for one-way flights and $336 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Fri, Oct 24 - Sun, Oct 26
ATL
Atlanta
CMI
Champaign
$336 Roundtrip, found 3 hours ago
$336
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Fri, Oct 24 from Atlanta to Champaign, returning Sun, Oct 26, priced at $336 found 3 hours ago
American Airlines
Thu, Oct 16 - Tue, Oct 21
ATL
Atlanta
CMI
Champaign
$346 Roundtrip, found 17 hours ago
$346
Roundtrip
found 17 hours ago
Select American Airlines flight, departing Thu, Oct 16 from Atlanta to Champaign, returning Tue, Oct 21, priced at $346 found 17 hours ago
American Airlines
Thu, Oct 2 - Tue, Oct 14
ATL
Atlanta
CMI
Champaign
$351 Roundtrip, found 3 days ago
$351
Roundtrip
found 3 days ago
Select American Airlines flight, departing Thu, Oct 2 from Atlanta to Champaign, returning Tue, Oct 14, priced at $351 found 3 days ago
American Airlines
Thu, Oct 9 - Wed, Oct 15
ATL
Atlanta
CMI
Champaign
$356 Roundtrip, found 3 hours ago
$356
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Thu, Oct 9 from Atlanta to Champaign, returning Wed, Oct 15, priced at $356 found 3 hours ago
American Airlines
Mon, Sep 29 - Mon, Oct 6
ATL
Atlanta
CMI
Champaign
$361 Roundtrip, found 14 hours ago
$361
Roundtrip
found 14 hours ago
Select American Airlines flight, departing Mon, Sep 29 from Atlanta to Champaign, returning Mon, Oct 6, priced at $361 found 14 hours ago
American Airlines
Fri, Apr 24 - Sun, Apr 26
ATL
Atlanta
CMI
Champaign
$383 Roundtrip, found 1 day ago
$383
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Apr 24 from Atlanta to Champaign, returning Sun, Apr 26, priced at $383 found 1 day ago
American Airlines
Tue, Oct 14 - Tue, Oct 21
ATL
Atlanta
CMI
Champaign
$387 Roundtrip, found 3 days ago
$387
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Oct 14 from Atlanta to Champaign, returning Tue, Oct 21, priced at $387 found 3 days ago
American Airlines
Tue, Oct 14 - Tue, Oct 21
ATL
Atlanta
CMI
Champaign
$392 Roundtrip, found 3 days ago
$392
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Oct 14 from Atlanta to Champaign, returning Tue, Oct 21, priced at $392 found 3 days ago
American Airlines
Tue, Oct 7 - Tue, Oct 14
ATL
Atlanta
CMI
Champaign
$393 Roundtrip, found 3 days ago
$393
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Oct 7 from Atlanta to Champaign, returning Tue, Oct 14, priced at $393 found 3 days ago
American Airlines
Fri, Oct 24 - Sun, Oct 26
ATL
Atlanta
CMI
Champaign
$396 Roundtrip, found 3 hours ago
$396
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Fri, Oct 24 from Atlanta to Champaign, returning Sun, Oct 26, priced at $396 found 3 hours ago

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

November is typically the cheapest month to fly

From $258 - $662 per traveler.

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?
Secure a cheap one-way flight from $248 or cheap return flight from $336 from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to University Of Illinois Urbana-Champaign Williard Airport (CMI) 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 Hartsfield-Jackson Atlanta Intl. Airport (ATL) to University Of Illinois Urbana-Champaign Williard Airport (CMI)?
The cheapest month to fly from ATL to CMI is October, when there's less demand. Off-peak months are generally when better flight deals are available between these airports.
What is the cheapest airline that flies from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to University Of Illinois Urbana-Champaign Williard Airport (CMI)?
To find the cheapest airline flying from ATL to CMI, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
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.

Travel information

Travel information

Origin airport
Hartsfield-Jackson Atlanta Intl.
Destination airport
University Of Illinois Urbana-Champaign Williard
Airlines serving
American Airlines
Roundtrip price
$336
Distance
489 mi

Book with confidence

Book with confidence

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 October. 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 $248 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.

 

Atlanta to Champaign Flights

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*Available to One Key members.