$279 Cheap Flights from Champaign (CMI) to Washington (DCA)

View $279 flight on Mon, Jul 28, 2025Opens in a new window

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Cheap Flights from Champaign to Washington (CMI-DCA)

Prices were available within the past 7 days and start at $279 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
Thu, Jun 19 - Sun, Jun 22
CMI
Champaign
DCA
Washington
$298 Roundtrip, found 4 hours ago
$298
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Thu, Jun 19 from Champaign to Washington, returning Sun, Jun 22, priced at $298 found 4 hours ago
American Airlines
Wed, May 14 - Sun, May 18
CMI
Champaign
DCA
Washington
$303 Roundtrip, found 2 days ago
$303
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, May 14 from Champaign to Washington, returning Sun, May 18, priced at $303 found 2 days ago
American Airlines
Wed, May 14 - Sun, May 18
CMI
Champaign
DCA
Washington
$308 Roundtrip, found 14 hours ago
$308
Roundtrip
found 14 hours ago
Select American Airlines flight, departing Wed, May 14 from Champaign to Washington, returning Sun, May 18, priced at $308 found 14 hours ago
American Airlines
Fri, Jul 4 - Fri, Jul 4
CMI
Champaign
DCA
Washington
$363 Roundtrip, found 3 days ago
$363
Roundtrip
found 3 days ago
Select American Airlines flight, departing Fri, Jul 4 from Champaign to Washington, returning Fri, Jul 4, priced at $363 found 3 days ago
American Airlines
Thu, Jun 19 - Sun, Jun 22
CMI
Champaign
DCA
Washington
$368 Roundtrip, found 4 hours ago
$368
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Thu, Jun 19 from Champaign to Washington, returning Sun, Jun 22, priced at $368 found 4 hours ago
American Airlines
Wed, May 14 - Sun, May 18
CMI
Champaign
DCA
Washington
$373 Roundtrip, found 14 hours ago
$373
Roundtrip
found 14 hours ago
Select American Airlines flight, departing Wed, May 14 from Champaign to Washington, returning Sun, May 18, priced at $373 found 14 hours ago
American Airlines
Wed, May 14 - Sun, May 18
CMI
Champaign
DCA
Washington
$378 Roundtrip, found 14 hours ago
$378
Roundtrip
found 14 hours ago
Select American Airlines flight, departing Wed, May 14 from Champaign to Washington, returning Sun, May 18, priced at $378 found 14 hours ago
American Airlines
Tue, Nov 4 - Sat, Nov 22
CMI
Champaign
DCA
Washington
$388 Roundtrip, found 2 days ago
$388
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Nov 4 from Champaign to Washington, returning Sat, Nov 22, priced at $388 found 2 days ago
American Airlines
Sun, May 4 - Sat, May 17
CMI
Champaign
DCA
Washington
$393 Roundtrip, found 3 days ago
$393
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sun, May 4 from Champaign to Washington, returning Sat, May 17, priced at $393 found 3 days ago
American Airlines
Mon, May 5 - Mon, May 12
CMI
Champaign
DCA
Washington
$398 Roundtrip, found 1 day ago
$398
Roundtrip
found 1 day ago
Select American Airlines flight, departing Mon, May 5 from Champaign to Washington, returning Mon, May 12, priced at $398 found 1 day ago

Frequently asked questions

How much does a flight from University Of Illinois Urbana-Champaign Williard Airport (CMI) to Ronald Reagan Washington National Airport (DCA) cost?
Discover the latest flight deals from CMI to DCA by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from CMI to DCA?
The cheapest flights from CMI to DCA are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from CMI to DCA?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from CMI to DCA. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from University Of Illinois Urbana-Champaign Williard Airport (CMI) to Ronald Reagan Washington National Airport (DCA)?
You’ll have to take a flight with a layover if you’re traveling from University Of Illinois Urbana-Champaign Williard Airport (CMI) to Ronald Reagan Washington National Airport (DCA). There are no daily direct flights on this route. However, just filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from CMI to DCA?
You’ll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during public holidays or peak travel times.*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 Ronald Reagan Washington National Airport (DCA)?
Select a flight from University Of Illinois Urbana-Champaign Williard Airport (CMI) to Ronald Reagan Washington National Airport (DCA) that leaves before 3 PM to reduce the likelihood of delays. Later departures have a 22% higher chance of being canceled, on average.**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 Ronald Reagan Washington National Airport (DCA) last-minute?
Last-minute bookings from CMI to DCA are typically more expensive. To lock in the best rates, start searching for flights well ahead of time. That said, if you’re flexible with your travel dates, you may find a cheap ticket just before your departure.
Is it cheaper to book a CMI to DCA flight and hotel package?
You’ll generally save money by booking a CMI to DCA flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it’s simple to manage it all in one place. Once you’ve selected your ideal flights and accommodations, consider adding extras such as activities, tours and car rentals.
Can I cancel or change the date of my flight from University Of Illinois Urbana-Champaign Williard Airport (CMI) to Ronald Reagan Washington National Airport (DCA)?
Generally, it’s possible to reschedule or cancel your CMI to DCA flight. However, for bookings made more than 24 hours ago, additional charges may apply. Refer to your airline’s policies in your itinerary to see what changes are allowed and if any costs are involved. You’ll also find more information on our Customer Service portal.
*Available to One Key members.