$352 Cheap Flights from Dayton (DAY) to Champaign (CMI)

View $352 flight on Sat, Oct 18, 2025Opens in a new window

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

Cheap Flights from Dayton to Champaign (DAY-CMI)

Prices were available within the past 7 days and start at $352 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 20 - Tue, Mar 3
DAY
Dayton
CMI
Champaign
$468 Roundtrip, found 11 hours ago
$468
Roundtrip
found 11 hours ago
Select American Airlines flight, departing Fri, Feb 20 from Dayton to Champaign, returning Tue, Mar 3, priced at $468 found 11 hours ago
American Airlines
Wed, Feb 25 - Tue, Mar 3
DAY
Dayton
CMI
Champaign
$470 Roundtrip, found 11 hours ago
$470
Roundtrip
found 11 hours ago
Select American Airlines flight, departing Wed, Feb 25 from Dayton to Champaign, returning Tue, Mar 3, priced at $470 found 11 hours ago
American Airlines
Wed, Feb 25 - Wed, Mar 4
DAY
Dayton
CMI
Champaign
$472 Roundtrip, found 11 hours ago
$472
Roundtrip
found 11 hours ago
Select American Airlines flight, departing Wed, Feb 25 from Dayton to Champaign, returning Wed, Mar 4, priced at $472 found 11 hours ago
American Airlines
Fri, Feb 20 - Mon, Mar 2
DAY
Dayton
CMI
Champaign
$474 Roundtrip, found 11 hours ago
$474
Roundtrip
found 11 hours ago
Select American Airlines flight, departing Fri, Feb 20 from Dayton to Champaign, returning Mon, Mar 2, priced at $474 found 11 hours ago
American Airlines
Fri, Feb 20 - Sat, Mar 7
DAY
Dayton
CMI
Champaign
$476 Roundtrip, found 11 hours ago
$476
Roundtrip
found 11 hours ago
Select American Airlines flight, departing Fri, Feb 20 from Dayton to Champaign, returning Sat, Mar 7, priced at $476 found 11 hours ago
American Airlines
Wed, Feb 25 - Sat, Mar 7
DAY
Dayton
CMI
Champaign
$478 Roundtrip, found 11 hours ago
$478
Roundtrip
found 11 hours ago
Select American Airlines flight, departing Wed, Feb 25 from Dayton to Champaign, returning Sat, Mar 7, priced at $478 found 11 hours ago
American Airlines
Fri, Feb 20 - Wed, Mar 11
DAY
Dayton
CMI
Champaign
$487 Roundtrip, found 11 hours ago
$487
Roundtrip
found 11 hours ago
Select American Airlines flight, departing Fri, Feb 20 from Dayton to Champaign, returning Wed, Mar 11, priced at $487 found 11 hours ago
American Airlines
Wed, Feb 25 - Wed, Mar 11
DAY
Dayton
CMI
Champaign
$489 Roundtrip, found 11 hours ago
$489
Roundtrip
found 11 hours ago
Select American Airlines flight, departing Wed, Feb 25 from Dayton to Champaign, returning Wed, Mar 11, priced at $489 found 11 hours ago
American Airlines
Fri, Feb 20 - Mon, Feb 23
DAY
Dayton
CMI
Champaign
$494 Roundtrip, found 11 hours ago
$494
Roundtrip
found 11 hours ago
Select American Airlines flight, departing Fri, Feb 20 from Dayton to Champaign, returning Mon, Feb 23, priced at $494 found 11 hours ago
American Airlines
Sat, Feb 21 - Mon, Feb 23
DAY
Dayton
CMI
Champaign
$496 Roundtrip, found 11 hours ago
$496
Roundtrip
found 11 hours ago
Select American Airlines flight, departing Sat, Feb 21 from Dayton to Champaign, returning Mon, Feb 23, priced at $496 found 11 hours ago
American Airlines
Fri, Feb 20 - Sat, Mar 14
DAY
Dayton
CMI
Champaign
$498 Roundtrip, found 11 hours ago
$498
Roundtrip
found 11 hours ago
Select American Airlines flight, departing Fri, Feb 20 from Dayton to Champaign, returning Sat, Mar 14, priced at $498 found 11 hours ago
American Airlines
Fri, Feb 20 - Sun, Mar 1
DAY
Dayton
CMI
Champaign
$500 Roundtrip, found 11 hours ago
$500
Roundtrip
found 11 hours ago
Select American Airlines flight, departing Fri, Feb 20 from Dayton to Champaign, returning Sun, Mar 1, priced at $500 found 11 hours ago

Alternative airports near Champaign

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

Select flight to University Of Illinois Urbana-Champaign Williard CMI. Cheapest and Closest option available. Average driving time to city center is 11 minutes. Flights from $470
CMI
University Of Illinois Urbana-Champaign Williard
CheapestClosest
Average driving time to city center11 min
Flights from $470

Frequently asked questions

How much does a flight from James M. Cox Dayton Intl. Airport (DAY) to University Of Illinois Urbana-Champaign Williard Airport (CMI) cost?
Lock in a cheap one-way flight from $352 or cheap return flight from $468 from James M. Cox Dayton Intl. Airport (DAY) 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 James M. Cox Dayton Intl. Airport (DAY) to University Of Illinois Urbana-Champaign Williard Airport (CMI)?
February is the least expensive month to fly from DAY to CMI. Timing your trip outside of the busy season is often the key to finding a great deal.
What is the cheapest airline that flies from James M. Cox Dayton Intl. Airport (DAY) to University Of Illinois Urbana-Champaign Williard Airport (CMI)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll fly you from DAY to CMI. Then, sort your results by "Price (lowest to highest)" to pick up the best deal available.
How many flights per day from James M. Cox Dayton Intl. Airport (DAY) to University Of Illinois Urbana-Champaign Williard Airport (CMI)?
Direct flights from James M. Cox Dayton Intl. Airport (DAY) to University Of Illinois Urbana-Champaign Williard Airport (CMI) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from DAY to CMI?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from James M. Cox Dayton Intl. Airport (DAY) to University Of Illinois Urbana-Champaign Williard Airport (CMI)?
To reach University Of Illinois Urbana-Champaign Williard Airport (CMI) on schedule, opt for a flight that takes off from James M. Cox Dayton Intl. Airport (DAY) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**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 James M. Cox Dayton Intl. Airport (DAY) to University Of Illinois Urbana-Champaign Williard Airport (CMI) last-minute?
Booking your flight from DAY to CMI shortly before your trip is typically more expensive. However, if there's some wiggle room with your departure dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a DAY to CMI flight and hotel package?
You'll typically save money by booking a DAY to CMI flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. After selecting your ideal flights and accommodations, consider adding extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from James M. Cox Dayton Intl. Airport (DAY) to University Of Illinois Urbana-Champaign Williard Airport (CMI)?
If you reserved your DAY to CMI flight within the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of fare you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for further details.

Travel information

Origin airport
James M. Cox Dayton Intl.
Destination airport
University Of Illinois Urbana-Champaign Williard
Airlines serving
American Airlines
Roundtrip price
$468
Distance
214 mi

Book with confidence

Dayton to Champaign Flights

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

 

The best time to book a flight from Dayton to Champaign

Sunday is one of the best days to book for cheap flights from Dayton 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 Dayton 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 Dayton to Champaign in 2025. You can also book with separate airlines for your outbound and return journeys, from $352 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 Dayton 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 Dayton 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.

 

Dayton to Champaign Flights

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*Available to One Key members.