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Dulles Intl

$444+ Cheap flights from Champaign (CMI) to Dulles Intl (IAD)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/24. Fares are subject to change and may not be available on all flights or dates of travel.
CMI — IAD
Jun 26 — Jul 31
Fri 6/26
Fri 7/3
1 adult, Economy
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Cheap flight deals from Champaign to Dulles Intl

Cheapest flights from Champaign to Dulles Intl
Explore the most affordable flight options available from Champaign to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 27, 2026.

This American Airlines deal was found by Cheapflights users on 5/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/241:23 pm
CMI
-
IAD
2 stops9h 25m
American Airlines
Mon 9/287:57 am
IAD
-
CMI
2 stops11h 13m
American Airlines
Deal found 5/26$444
This American Airlines deal was found by Cheapflights users on 5/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/116:41 pm
CMI
-
IAD
2 stops16h 15m
American Airlines
Mon 9/147:57 am
IAD
-
CMI
2 stops13h 59m
American Airlines
Deal found 5/26$562
This United Airlines deal was found by Cheapflights users on 5/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/201:32 pm
CMI
-
IAD
1 stop4h 42m
United Airlines
Sun 11/2912:35 pm
IAD
-
CMI
2 stops5h 53m
United Airlines
Deal found 5/23$742
This American Airlines deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:00 am
CMI
-
IAD
1 stop6h 03m
American Airlines
Sun 8/302:53 pm
IAD
-
CMI
1 stop8h 07m
American Airlines
Deal found 5/22$1,102

Find flight deals from Champaign to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Champaign (CMI) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 27, 2026.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$444
(American Airlines)
Provider with most accurate pricing for Champaign University-Willard-Washington, D.C. Dulles Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Champaign University-Willard-Washington, D.C. Dulles Intl flights.
Search Deals
From Champaign University-Willard to Washington, D.C. Dulles Intl
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Champaign to Dulles Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 27, 2026.
Use the filters below to find and compare flights from Champaign to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChampaignWashington, D.C.

CMI - IAD

CMIIAD

Champaign University-Willard

Thu 9/24

1:23 pm-11:48 pm

2 stops9h 25m

Washington, D.C. Dulles Intl

Mon 9/28

7:57 am-6:10 pm

2 stops11h 13m

$444

ChampaignWashington, D.C.

CMI - IAD

CMIIAD

Champaign University-Willard

Fri 9/11

6:41 pm-11:56 am

2 stops16h 15m

Washington, D.C. Dulles Intl

Mon 9/14

7:57 am-8:56 pm

2 stops13h 59m

$562
Quickest round-trip

ChampaignWashington, D.C.

CMI - IAD

CMIIAD

Champaign University-Willard

Fri 11/20

1:32 pm-7:14 pm

1 stop4h 42m

Washington, D.C. Dulles Intl

Sun 11/29

12:35 pm-5:28 pm

2 stops5h 53m

$742

ChampaignWashington, D.C.

CMI - IAD

CMIIAD

Champaign University-Willard

Thu 8/27

7:00 am-2:03 pm

1 stop6h 03m

Washington, D.C. Dulles Intl

Sun 8/30

2:53 pm-10:00 pm

1 stop8h 07m

$1,102

ChampaignWashington, D.C.

CMI - IAD

CMIIAD

Champaign University-Willard

Fri 8/28

7:00 am-2:03 pm

1 stop6h 03m

Washington, D.C. Dulles Intl

Sun 8/30

5:08 am-11:11 am

2 stops7h 03m

$1,141
Cheapest one-way

ChampaignWashington, D.C.

CMI - IAD

CMIIAD

Champaign University-Willard

Wed 6/10

2:46 pm-11:08 am

1 stop19h 22m

$814

ChampaignWashington, D.C.

CMI - IAD

CMIIAD

Champaign University-Willard

Tue 6/9

2:46 pm-11:08 am

1 stop19h 22m

$814
Quickest one-way

ChampaignWashington, D.C.

CMI - IAD

CMIIAD

Champaign University-Willard

Sun 6/21

7:31 am-6:34 pm

1 stop10h 03m

$895

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/26

Sorted by cheapest first
  • Most accurate provider: When it comes to deals on Champaign-Washington, D.C. Dulles Intl Airport flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Champaign-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. Expedia <90% of the time. Price accuracy is based on data collected from Champaign-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Champaign-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Champaign-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Champaign to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Champaign with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Champaign to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Champaign to Washington, D.C. Dulles Intl?

    If you book a flight to Washington, D.C. Dulles Intl from Champaign, you will be flying from University-Willard, which is the city’s only airport. Champaign University-Willard (CMI) is located 11.3 mi from the center of Champaign. There are 0 flights from University-Willard to Washington, D.C. Dulles Intl per day from 0 different airlines.

  • How long is the flight from Champaign to Washington, D.C. Dulles Intl Airport?

    There are many flights that can get you from Champaign to Washington, D.C. Dulles Intl Airport in 4h 42m. Fly via American Airlines or United Airlines to get the fastest option. Champaign and Washington, D.C. Dulles Intl Airport are separated by a distance of 581 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Champaign to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on Champaign to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Champaign to Dulles Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Champaign to Dulles Intl.

  • Can I find deals for business class flights from Champaign to Dulles Intl?

    Yes. Cheapflights offers flight deals from Champaign to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Tysons
Owings Mills
Springfield
Arlington
Reston
Herndon
Fredericksburg
Rockville
Hyattsville
Manassas
Hanover
Chantilly
Laurel
Falls Church
Waldorf
Silver Spring
Largo
Clinton
Hunt Valley

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