$259 Cheap Flights from Washington (DCA) to Champaign (CMI)

Popular airlines from Ronald Reagan Washington National Airport (DCA) to Champaign, IL (CMI-University Of Illinois Urbana-Champaign Williard)

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Find available prices by choosing your travel dates.

Cheap Flights from Washington to Champaign (DCA-CMI)

Prices were available within the past 7 days and start at $259 for one-way flights and $283 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
Flights from Washington (DCA) to Champaign (CMI)
Origin airport
Ronald Reagan Washington National
Destination airport
University Of Illinois Urbana-Champaign Williard
Airlines serving
American Airlines
Roundtrip price
$283
Distance
603 mi

Washington to Champaign Flights

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

The best time to book a flight from Washington to Champaign

Sunday is one of the best days to book for cheap flights from Washington 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 Washington 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 Washington to Champaign in 2025. You can also book with separate airlines for your outbound and return journeys, from $259 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 Washington 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 Washington 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.

Frequently asked questions

Is it cheaper to buy a plane ticket from National Airport to Willard Airport last minute?
Booking your journey from Ronald Reagan Washington National Airport (DCA) to University Of Illinois Urbana-Champaign Williard Airport (CMI) at the last minute could save you a nice sum if you’re lucky enough to find an awesome deal. However, airfares usually don’t get cheaper as the departure date nears. If you choose to wait, flights could also be booked up or the best seats taken (because who wants the middle seat?). If you’d rather play it safe, book well in advance of when you want to leave. Keep in mind that some of the best deals can be found up to a year in advance. If your favorite carrier hasn’t released its airfares yet, check back regularly as deals are updated on Expedia all the time.
What airports do you fly into for Champaign from Washington?
Washington to Champaign flights arrive at University Of Illinois Urbana-Champaign Williard Airport (CMI). Freshen up at your hotel and then head out and tick off some of the city’s noteworthy sights, such as Marketplace and University of Illinois Assembly Hall. The airport is roughly 6 mi south of the center of Champaign.
Can I change the date of my flight from Ronald Reagan Washington National Airport (DCA) to Willard Airport?
It’s so easy to make changes to your National Airport to CMI trip yourself. Access your details via the Expedia Trips portal and select “change flight.” Look for new flights and book the one that works best. You’ll see an estimate of your flight change cost, if applicable. You can also use our Customer Service portal to chat to our Virtual Agent and get answers to your questions.

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