$223 Cheap Flights from Champaign (CMI) to Appleton (ATW)

View $223 flight on Mon, Jan 26, 2026Opens in a new window

Popular airlines from Champaign, IL (CMI-University Of Illinois Urbana-Champaign Williard) to Appleton, WI (ATW-Appleton Intl.)

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

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

Cheap Flights from Champaign to Appleton (CMI-ATW)

Prices were available within the past 7 days and start at $223 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much does a flight from University Of Illinois Urbana-Champaign Williard Airport (CMI) to Appleton Intl. Airport (ATW) cost?
Secure a cheap one-way flight from $223 or cheap return flight from University Of Illinois Urbana-Champaign Williard Airport (CMI) to Appleton Intl. Airport (ATW) 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 University Of Illinois Urbana-Champaign Williard Airport (CMI) to Appleton Intl. Airport (ATW)?
The cheapest month to fly from CMI to ATW is , when there's less demand. Off-peak season is often when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from University Of Illinois Urbana-Champaign Williard Airport (CMI) to Appleton Intl. Airport (ATW)?
Use the filter tool on Expedia to compare different airlines and find the most affordable carrier that'll take you from CMI to ATW. Then, sort your results by "Price (lowest to highest)" to snap up the best deal available.
How many flights per day from University Of Illinois Urbana-Champaign Williard Airport (CMI) to Appleton Intl. Airport (ATW)?
There aren't any daily direct flights available from University Of Illinois Urbana-Champaign Williard Airport (CMI) to Appleton Intl. Airport (ATW). But you can book flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be on your way in no time at all.
What day of the week has the most flights from CMI to ATW?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can vary based on a range 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 Appleton Intl. Airport (ATW)?
Select a flight from University Of Illinois Urbana-Champaign Williard Airport (CMI) to Appleton Intl. Airport (ATW) that leaves before 3 PM to reduce the risk of cancellations. Departures after this time 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 Appleton Intl. Airport (ATW) last-minute?
Waiting until just before your trip to book a ticket from CMI to ATW generally means paying more. Although you may find some last-minute discounts, they're not always guaranteed. Be flexible with your itinerary for a better chance of landing a bargain.
Is it cheaper to book a CMI to ATW flight and hotel package?
Opting for a CMI to ATW flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Choose from our wide range of stays and then add car rentals, flights and activities to your booking. Bundle everything 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 Appleton Intl. Airport (ATW)?
If you reserved your CMI to ATW flight in the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for more information.

Travel information

Origin airport
University Of Illinois Urbana-Champaign Williard
Destination airport
Appleton Intl.
Distance
292 mi

Book with confidence

Champaign to Appleton Flights

The cheapest times to fly from Champaign to Appleton

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

 

The best time to book a flight from Champaign to Appleton

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

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 Appleton in 2026. You can also book with separate airlines for your outbound and return journeys, from $223 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 Appleton 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 Appleton 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 Appleton Flights

Explore a world of travel with Expedia

*Available to One Key members.