$311 Cheap Flights from Washington (DCA) to Champaign (CMI)

View $311 flight on Wed, Oct 29, 2025Opens in a new window

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

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Cheap Flights from Washington to Champaign (DCA-CMI)

Prices were available within the past 7 days and start at $311 for one-way flights and $298 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Oct 29 - Wed, Nov 5
DCA
Washington
CMI
Champaign
$298 Roundtrip, found 16 hours ago
$298
Roundtrip
found 16 hours ago
Select American Airlines flight, departing Wed, Oct 29 from Washington to Champaign, returning Wed, Nov 5, priced at $298 found 16 hours ago
American Airlines
Mon, Sep 29 - Mon, Oct 6
DCA
Washington
CMI
Champaign
$303 Roundtrip, found 3 days ago
$303
Roundtrip
found 3 days ago
Select American Airlines flight, departing Mon, Sep 29 from Washington to Champaign, returning Mon, Oct 6, priced at $303 found 3 days ago
American Airlines
Fri, Oct 3 - Sat, Oct 4
DCA
Washington
CMI
Champaign
$308 Roundtrip, found 15 hours ago
$308
Roundtrip
found 15 hours ago
Select American Airlines flight, departing Fri, Oct 3 from Washington to Champaign, returning Sat, Oct 4, priced at $308 found 15 hours ago
American Airlines
Fri, Sep 26 - Fri, Oct 3
DCA
Washington
CMI
Champaign
$333 Roundtrip, found 4 days ago
$333
Roundtrip
found 4 days ago
Select American Airlines flight, departing Fri, Sep 26 from Washington to Champaign, returning Fri, Oct 3, priced at $333 found 4 days ago
American Airlines
Wed, Sep 24 - Sat, Sep 27
DCA
Washington
CMI
Champaign
$358 Roundtrip, found 18 hours ago
$358
Roundtrip
found 18 hours ago
Select American Airlines flight, departing Wed, Sep 24 from Washington to Champaign, returning Sat, Sep 27, priced at $358 found 18 hours ago
American Airlines
Fri, Sep 26 - Fri, Oct 3
DCA
Washington
CMI
Champaign
$362 Roundtrip, found 6 days ago
$362
Roundtrip
found 6 days ago
Select American Airlines flight, departing Fri, Sep 26 from Washington to Champaign, returning Fri, Oct 3, priced at $362 found 6 days ago
American Airlines
Sun, Nov 23 - Wed, Dec 10
DCA
Washington
CMI
Champaign
$368 Roundtrip, found 16 hours ago
$368
Roundtrip
found 16 hours ago
Select American Airlines flight, departing Sun, Nov 23 from Washington to Champaign, returning Wed, Dec 10, priced at $368 found 16 hours ago
American Airlines
Fri, Oct 3 - Sat, Oct 4
DCA
Washington
CMI
Champaign
$373 Roundtrip, found 15 hours ago
$373
Roundtrip
found 15 hours ago
Select American Airlines flight, departing Fri, Oct 3 from Washington to Champaign, returning Sat, Oct 4, priced at $373 found 15 hours ago
American Airlines
Fri, Oct 3 - Sat, Oct 4
DCA
Washington
CMI
Champaign
$378 Roundtrip, found 15 hours ago
$378
Roundtrip
found 15 hours ago
Select American Airlines flight, departing Fri, Oct 3 from Washington to Champaign, returning Sat, Oct 4, priced at $378 found 15 hours ago
American Airlines
Fri, Nov 7 - Sun, Nov 9
DCA
Washington
CMI
Champaign
$394 Roundtrip, found 6 days ago
$394
Roundtrip
found 6 days ago
Select American Airlines flight, departing Fri, Nov 7 from Washington to Champaign, returning Sun, Nov 9, priced at $394 found 6 days ago

Frequently asked questions

How much does a flight from Ronald Reagan Washington National Airport (DCA) to University Of Illinois Urbana-Champaign Williard Airport (CMI) cost?
Snag a cheap one-way flight from $311 or cheap return flight from $298 from Ronald Reagan Washington National Airport (DCA) 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 Ronald Reagan Washington National Airport (DCA) to University Of Illinois Urbana-Champaign Williard Airport (CMI)?
October is the most affordable month to fly from DCA to CMI. Timing your trip outside of the busy season is often the key to better flight prices.
How many flights per day from Ronald Reagan Washington National Airport (DCA) to University Of Illinois Urbana-Champaign Williard Airport (CMI)?
You'll need to catch a flight with a layover when traveling from Ronald Reagan Washington National Airport (DCA) to University Of Illinois Urbana-Champaign Williard Airport (CMI). Direct flights don't operate daily on this route. However, just filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from DCA to CMI?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can change based on a number of factors, such as 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 Ronald Reagan Washington National Airport (DCA) to University Of Illinois Urbana-Champaign Williard Airport (CMI)?
To avoid potential delays on the Ronald Reagan Washington National Airport (DCA) to University Of Illinois Urbana-Champaign Williard Airport (CMI) route, aim to travel before 3 PM. Later departures have a 22% higher chance of cancellation.**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 Ronald Reagan Washington National Airport (DCA) to University Of Illinois Urbana-Champaign Williard Airport (CMI) last-minute?
Last-minute fares from DCA to CMI are generally more expensive. To lock in the best rates, start looking for flights well ahead of time. That being said, if you're flexible with your travel plans, you may find a cheap fare just before your departure.
Is it cheaper to book a DCA to CMI flight and hotel package?
Compared with arranging flights and hotels separately, booking a DCA to CMI flight and hotel package with Expedia could lead to significant savings. Better yet, managing everything in one place takes the hassle out of travel planning. Simply secure your flights and choose from our wide range of stays, then customize your trip with other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from Ronald Reagan Washington National Airport (DCA) to University Of Illinois Urbana-Champaign Williard Airport (CMI)?
In most cases, you're able to cancel or reschedule your DCA to CMI flight. However, additional charges may apply, especially if you booked more than 24 hours ago. Check your itinerary for the airline's fees and rules on flight changes, or if you need further details, visit our Customer Service portal.

Travel information

Travel information

Origin airport
Ronald Reagan Washington National
Destination airport
University Of Illinois Urbana-Champaign Williard
Airlines serving
American Airlines
Roundtrip price
$298
Distance
603 mi

Book with confidence

Book with confidence

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 October. 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 $311 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.

 

Washington to Champaign Flights

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