$293 Cheap Flights from Champaign (CMI) to Atlanta (ATL)

View $293 flight on Thu, Nov 27, 2025Opens in a new window

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

Cheap Flights from Champaign to Atlanta (CMI-ATL)

Prices were available within the past 7 days and start at $293 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, Dec 12 - Sun, Dec 14
CMI
Champaign
ATL
Atlanta
$336 Roundtrip, found 19 hours ago
$336
Roundtrip
found 19 hours ago
Select American Airlines flight, departing Fri, Dec 12 from Champaign to Atlanta, returning Sun, Dec 14, priced at $336 found 19 hours ago
American Airlines
Wed, Dec 10 - Sat, Dec 13
CMI
Champaign
ATL
Atlanta
$342 Roundtrip, found 1 day ago
$342
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Dec 10 from Champaign to Atlanta, returning Sat, Dec 13, priced at $342 found 1 day ago
American Airlines
Fri, Dec 12 - Sun, Dec 14
CMI
Champaign
ATL
Atlanta
$346 Roundtrip, found 19 hours ago
$346
Roundtrip
found 19 hours ago
Select American Airlines flight, departing Fri, Dec 12 from Champaign to Atlanta, returning Sun, Dec 14, priced at $346 found 19 hours ago
American Airlines
Fri, Dec 5 - Sun, Dec 7
CMI
Champaign
ATL
Atlanta
$352 Roundtrip, found 3 days ago
$352
Roundtrip
found 3 days ago
Select American Airlines flight, departing Fri, Dec 5 from Champaign to Atlanta, returning Sun, Dec 7, priced at $352 found 3 days ago
American Airlines
Wed, Nov 19 - Wed, Nov 26
CMI
Champaign
ATL
Atlanta
$371 Roundtrip, found 17 hours ago
$371
Roundtrip
found 17 hours ago
Select American Airlines flight, departing Wed, Nov 19 from Champaign to Atlanta, returning Wed, Nov 26, priced at $371 found 17 hours ago
American Airlines
Tue, Nov 18 - Tue, Nov 25
CMI
Champaign
ATL
Atlanta
$377 Roundtrip, found 1 day ago
$377
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Nov 18 from Champaign to Atlanta, returning Tue, Nov 25, priced at $377 found 1 day ago
American Airlines
Thu, Nov 20 - Sun, Nov 23
CMI
Champaign
ATL
Atlanta
$386 Roundtrip, found 6 hours ago
$386
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Thu, Nov 20 from Champaign to Atlanta, returning Sun, Nov 23, priced at $386 found 6 hours ago
American Airlines
Fri, Dec 12 - Sun, Dec 14
CMI
Champaign
ATL
Atlanta
$396 Roundtrip, found 19 hours ago
$396
Roundtrip
found 19 hours ago
Select American Airlines flight, departing Fri, Dec 12 from Champaign to Atlanta, returning Sun, Dec 14, priced at $396 found 19 hours ago
American Airlines
Wed, Dec 10 - Sat, Dec 13
CMI
Champaign
ATL
Atlanta
$402 Roundtrip, found 1 day ago
$402
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Dec 10 from Champaign to Atlanta, returning Sat, Dec 13, priced at $402 found 1 day ago
American Airlines
Thu, Nov 27 - Thu, Dec 4
CMI
Champaign
ATL
Atlanta
$403 Roundtrip, found 3 days ago
$403
Roundtrip
found 3 days ago
Select American Airlines flight, departing Thu, Nov 27 from Champaign to Atlanta, returning Thu, Dec 4, priced at $403 found 3 days ago

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

February is typically the cheapest month to fly

From $305 - $637 per traveler.

Alternative airports near Atlanta

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

Select flight to Hartsfield-Jackson Atlanta Intl. ATL. Cheapest option available. Average driving time to city center is 16 minutes. Flights from $386
ATL
Hartsfield-Jackson Atlanta Intl.
Cheapest
Average driving time to city center16 min
Flights from $386

Frequently asked questions

How much does a flight from University Of Illinois Urbana-Champaign Williard Airport (CMI) to Hartsfield-Jackson Atlanta Intl. Airport (ATL) cost?
Lock in a cheap one-way flight from $293 or cheap return flight from $336 from University Of Illinois Urbana-Champaign Williard Airport (CMI) to Hartsfield-Jackson Atlanta Intl. Airport (ATL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from University Of Illinois Urbana-Champaign Williard Airport (CMI) to Hartsfield-Jackson Atlanta Intl. Airport (ATL)?
December is the least expensive month to fly from CMI to ATL. Traveling during quieter months is often the key to finding better deals on flights.
Which airlines fly direct from University Of Illinois Urbana-Champaign Williard Airport (CMI) to Hartsfield-Jackson Atlanta Intl. Airport (ATL)?
There are no direct flights from Champaign, IL (CMI-University Of Illinois Urbana-Champaign Williard) to Hartsfield-Jackson Atlanta Intl. Airport (ATL). However, you'll find other airports that have nonstop flights. Begin your journey at Central Illinois Regional Airport (BMI) and head straight to Atlanta without layovers.
What is the cheapest airline that flies from University Of Illinois Urbana-Champaign Williard Airport (CMI) to Hartsfield-Jackson Atlanta Intl. Airport (ATL)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest CMI to ATL flight.
How many flights per day from University Of Illinois Urbana-Champaign Williard Airport (CMI) to Hartsfield-Jackson Atlanta Intl. Airport (ATL)?
There aren't any daily direct flights from University Of Illinois Urbana-Champaign Williard Airport (CMI) to Hartsfield-Jackson Atlanta Intl. Airport (ATL). But you can book flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be soaring above the clouds before you know it.
What day of the week has the most flights from CMI to ATL?
Generally you'll find the widest variety of flight choices on a Friday. Tuesdays are often the quietest.* However, this can vary depending on the time of year, carrier and other factors.*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 Hartsfield-Jackson Atlanta Intl. Airport (ATL)?
To avoid potential delays on the University Of Illinois Urbana-Champaign Williard Airport (CMI) to Hartsfield-Jackson Atlanta Intl. Airport (ATL) route, fly before 3 PM. Departures after this hour are 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 Hartsfield-Jackson Atlanta Intl. Airport (ATL) last-minute?
Last-minute fares from CMI to ATL are generally more expensive. To secure the best prices, start looking for flights well in advance. That said, if your travel plans are flexible, it's possible to find a cheap ticket right before your trip.
Is it cheaper to book a CMI to ATL flight and hotel package?
Booking a CMI to ATL flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Pick from our wide range of stays and then add car rentals, flights and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from University Of Illinois Urbana-Champaign Williard Airport (CMI) to Hartsfield-Jackson Atlanta Intl. Airport (ATL)?
In most cases, you can cancel or reschedule your CMI to ATL flight. However, there may be additional fees, especially if you booked over 24 hours ago. Check your itinerary for the airline's guidelines and fees on flight changes, or if you'd like further information, go to our Customer Service portal.

Travel information

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

Book with confidence

Champaign to Atlanta Flights

The cheapest times to fly from Champaign to Atlanta

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

 

The best time to book a flight from Champaign to Atlanta

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

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 Atlanta in 2025. You can also book with separate airlines for your outbound and return journeys, from $293 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 Atlanta 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 Atlanta 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.

 

Champaign to Atlanta Flights

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*Available to One Key members.