Cheap Flights from Louisville (SDF) to Champaign (CMI)

Popular airlines from Louisville Intl. Airport (SDF) to Champaign, IL (CMI-University Of Illinois Urbana-Champaign Williard)

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Cheap Flights from Louisville to Champaign (SDF-CMI)

Prices were available within the past 7 days and start at for one-way flights and $468 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Fri, Feb 6 - Mon, Feb 9
SDF
Louisville
CMI
Champaign
$468 Roundtrip, found 6 days ago
$468
Roundtrip
found 6 days ago
Select American Airlines flight, departing Fri, Feb 6 from Louisville to Champaign, returning Mon, Feb 9, priced at $468 found 6 days ago
American Airlines
Fri, Feb 6 - Tue, Feb 10
SDF
Louisville
CMI
Champaign
$471 Roundtrip, found 6 days ago
$471
Roundtrip
found 6 days ago
Select American Airlines flight, departing Fri, Feb 6 from Louisville to Champaign, returning Tue, Feb 10, priced at $471 found 6 days ago
American Airlines
Fri, Feb 6 - Sun, Feb 15
SDF
Louisville
CMI
Champaign
$514 Roundtrip, found 6 days ago
$514
Roundtrip
found 6 days ago
Select American Airlines flight, departing Fri, Feb 6 from Louisville to Champaign, returning Sun, Feb 15, priced at $514 found 6 days ago
American Airlines
Fri, Feb 6 - Fri, Feb 13
SDF
Louisville
CMI
Champaign
$520 Roundtrip, found 6 days ago
$520
Roundtrip
found 6 days ago
Select American Airlines flight, departing Fri, Feb 6 from Louisville to Champaign, returning Fri, Feb 13, priced at $520 found 6 days ago
American Airlines
Sun, Feb 8 - Fri, Feb 13
SDF
Louisville
CMI
Champaign
$704 Roundtrip, found 6 days ago
$704
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sun, Feb 8 from Louisville to Champaign, returning Fri, Feb 13, priced at $704 found 6 days ago
American Airlines
Mon, Feb 9 - Thu, Feb 12
SDF
Louisville
CMI
Champaign
$838 Roundtrip, found 2 days ago
$838
Roundtrip
found 2 days ago
Select American Airlines flight, departing Mon, Feb 9 from Louisville to Champaign, returning Thu, Feb 12, priced at $838 found 2 days ago
American Airlines
Mon, Feb 9 - Thu, Feb 12
SDF
Louisville
CMI
Champaign
$890 Roundtrip, found 2 days ago
$890
Roundtrip
found 2 days ago
Select American Airlines flight, departing Mon, Feb 9 from Louisville to Champaign, returning Thu, Feb 12, priced at $890 found 2 days ago
American Airlines
Mon, Feb 9 - Thu, Feb 12
SDF
Louisville
CMI
Champaign
$938 Roundtrip, found 2 days ago
$938
Roundtrip
found 2 days ago
Select American Airlines flight, departing Mon, Feb 9 from Louisville to Champaign, returning Thu, Feb 12, priced at $938 found 2 days ago
American Airlines
Mon, Feb 9 - Thu, Feb 12
SDF
Louisville
CMI
Champaign
$960 Roundtrip, found 2 days ago
$960
Roundtrip
found 2 days ago
Select American Airlines flight, departing Mon, Feb 9 from Louisville to Champaign, returning Thu, Feb 12, priced at $960 found 2 days ago
American Airlines
Mon, Feb 9 - Thu, Feb 12
SDF
Louisville
CMI
Champaign
$980 Roundtrip, found 2 days ago
$980
Roundtrip
found 2 days ago
Select American Airlines flight, departing Mon, Feb 9 from Louisville to Champaign, returning Thu, Feb 12, priced at $980 found 2 days ago
American Airlines
Mon, Feb 9 - Thu, Feb 12
SDF
Louisville
CMI
Champaign
$990 Roundtrip, found 2 days ago
$990
Roundtrip
found 2 days ago
Select American Airlines flight, departing Mon, Feb 9 from Louisville to Champaign, returning Thu, Feb 12, priced at $990 found 2 days ago
American Airlines
Mon, Feb 9 - Thu, Feb 12
SDF
Louisville
CMI
Champaign
$1,012 Roundtrip, found 2 days ago
$1,012
Roundtrip
found 2 days ago
Select American Airlines flight, departing Mon, Feb 9 from Louisville to Champaign, returning Thu, Feb 12, priced at $1,012 found 2 days ago
American Airlines
Mon, Feb 9 - Thu, Feb 12
SDF
Louisville
CMI
Champaign
$1,032 Roundtrip, found 2 days ago
$1,032
Roundtrip
found 2 days ago
Select American Airlines flight, departing Mon, Feb 9 from Louisville to Champaign, returning Thu, Feb 12, priced at $1,032 found 2 days ago

Frequently asked questions

How much does a flight from Louisville Intl. Airport (SDF) to University Of Illinois Urbana-Champaign Williard Airport (CMI) cost?
Snag a cheap one-way flight or cheap return flight from $468 from Louisville Intl. Airport (SDF) 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 deals on this route.
What is the cheapest month to fly from Louisville Intl. Airport (SDF) to University Of Illinois Urbana-Champaign Williard Airport (CMI)?
Planning your getaway for February can help you save, as it's the cheapest month for flights between SDF and CMI. You'll usually find the lowest fares during the off-season.
What is the cheapest airline that flies from Louisville Intl. Airport (SDF) to University Of Illinois Urbana-Champaign Williard Airport (CMI)?
To find the cheapest airline flying from SDF to CMI, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Louisville Intl. Airport (SDF) to University Of Illinois Urbana-Champaign Williard Airport (CMI)?
You'll have to book a flight with a layover if you're traveling from Louisville Intl. Airport (SDF) to University Of Illinois Urbana-Champaign Williard Airport (CMI). There are no daily direct flights on this route. However, just filter your search to include one or more stops to find the best option for your trip.
What day of the week has the most flights from SDF to CMI?
Typically you'll find the widest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* But this can change depending on the airline, season 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 Louisville Intl. Airport (SDF) to University Of Illinois Urbana-Champaign Williard Airport (CMI)?
Choose a flight from Louisville Intl. Airport (SDF) to University Of Illinois Urbana-Champaign Williard Airport (CMI) that takes off before 3 PM to reduce the likelihood of delays. Departures later than this 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 Louisville Intl. Airport (SDF) to University Of Illinois Urbana-Champaign Williard Airport (CMI) last-minute?
Last-minute fares from SDF to CMI are generally more expensive. To secure the cheapest rates, start looking for flights well ahead of time. That said, if your travel plans are flexible, you may find a cheap fare just before your departure.
Is it cheaper to book a SDF to CMI flight and hotel package?
Compared with arranging flights and hotels separately, booking a SDF to CMI flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one place will take the hassle out of travel planning. Simply secure your flights and select from our extensive range of stays, then customize your trip with extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Louisville Intl. Airport (SDF) to University Of Illinois Urbana-Champaign Williard Airport (CMI)?
If you reserved your SDF to CMI flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you'd like more information.

Travel information

Origin airport
Louisville Intl.
Destination airport
University Of Illinois Urbana-Champaign Williard
Roundtrip price
$468
Distance
186 mi

Book with confidence

Louisville to Champaign Flights

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

 

The best time to book a flight from Louisville to Champaign

Sunday is one of the best days to book for cheap flights from Louisville 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 Louisville 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 Louisville to Champaign in 2025. You can also book with separate airlines for your outbound and return journeys, from 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 Louisville 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 Louisville 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.

 

Louisville to Champaign Flights

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*Available to One Key members.