Cheap Flights from Decatur (DEC) to Champaign (CMI)

Popular airlines from Decatur, IL (DEC) to Champaign, IL (CMI-University Of Illinois Urbana-Champaign Williard)

Frequently asked questions

How much does a flight from Decatur Airport (DEC) to University Of Illinois Urbana-Champaign Williard Airport (CMI) cost?
Grab a cheap one-way flight or cheap return flight from Decatur Airport (DEC) 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 Decatur Airport (DEC) to University Of Illinois Urbana-Champaign Williard Airport (CMI)?
The cheapest month to fly from DEC to CMI is , when there's less demand. Off-peak months are often when airlines offer better prices between these airports.
What is the cheapest airline that flies from Decatur Airport (DEC) to University Of Illinois Urbana-Champaign Williard Airport (CMI)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll take you from DEC to CMI. Then, sort your results by "Price (lowest to highest)" to snap up a good deal.
How many flights per day from Decatur Airport (DEC) to University Of Illinois Urbana-Champaign Williard Airport (CMI)?
There are no daily direct flights available from Decatur Airport (DEC) to University Of Illinois Urbana-Champaign Williard Airport (CMI). But you can opt for flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be cruising above the clouds in no time.
What day of the week has the most flights from DEC to CMI?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can change based on various factors, including the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Decatur Airport (DEC) to University Of Illinois Urbana-Champaign Williard Airport (CMI)?
To reach University Of Illinois Urbana-Champaign Williard Airport (CMI) without delays, choose a flight that leaves from Decatur Airport (DEC) before 3 PM. The likelihood 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.
Is it cheaper to buy a plane ticket from Decatur Airport (DEC) to University Of Illinois Urbana-Champaign Williard Airport (CMI) last-minute?
Booking your ticket from DEC to CMI just before your journey is generally more expensive. But if there's some wiggle room with your itinerary, you could score a cheap last-minute fare.
Is it cheaper to book a DEC to CMI flight and hotel package?
Booking a DEC to CMI flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Choose from our extensive 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 Decatur Airport (DEC) to University Of Illinois Urbana-Champaign Williard Airport (CMI)?
If you booked your DEC to CMI flight in the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of ticket you have, 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 further details.

Travel information

Origin airport
Decatur
Destination airport
University Of Illinois Urbana-Champaign Williard
Distance
35 mi

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Decatur to Champaign Flights

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

 

The best time to book a flight from Decatur to Champaign

Sunday is one of the best days to book for cheap flights from Decatur 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 Decatur 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 Decatur 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 Decatur 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 Decatur 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.

 

Decatur to Champaign Flights

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*Available to One Key members.