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Dulles Intl

$284+ 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 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
CMI — IAD
Aug 12 — Aug 191
Wed 8/12
Wed 8/19
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 July 13, 2026.

This United Airlines deal was found by Cheapflights users on 7/10. 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.
Wed 11/111:32 pm
CMI
-
IAD
1 stop6h 32m
United Airlines
Sun 11/158:16 am
IAD
-
CMI
1 stop5h 34m
United Airlines
Deal found 7/10$284
This United Airlines deal was found by Cheapflights users on 7/8. 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.
Tue 11/246:30 am
CMI
-
IAD
1 stop4h 16m
United Airlines
Tue 12/18:35 am
IAD
-
CMI
1 stop5h 15m
United Airlines
Deal found 7/8$350
This United Airlines deal was found by Cheapflights users on 7/8. 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.
Sat 11/211:32 pm
CMI
-
IAD
1 stop6h 32m
United Airlines
Fri 11/278:16 am
IAD
-
CMI
1 stop5h 34m
United Airlines
Deal found 7/8$364
This American Airlines deal was found by Cheapflights users on 7/11. 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.
Sat 8/86:00 am
CMI
-
IAD
2 stops15h 55m
American Airlines
Sat 8/157:57 am
IAD
-
CMI
2 stops13h 31m
American Airlines
Deal found 7/11$445
This United Airlines deal was found by Cheapflights users on 7/8. 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.
Tue 11/246:30 am
CMI
-
IAD
1 stop4h 16m
United Airlines
Mon 11/305:28 pm
IAD
-
CMI
1 stop5h 54m
United Airlines
Deal found 7/8$495
This American Airlines deal was found by Cheapflights users on 7/10. 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.
Wed 11/116:48 pm
CMI
-
IAD
2 stops17h 24m
American Airlines
Sun 11/158:09 pm
IAD
-
CMI
2 stops16h 34m
American Airlines
Deal found 7/10$574

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 July 13, 2026.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$284
(United Airlines)
Provider with most accurate pricing for Champaign University-Willard-Washington, D.C. Dulles Intl flight deals.
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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 July 13, 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

Wed 11/11

1:32 pm-9:04 pm

1 stop6h 32m

Washington, D.C. Dulles Intl

Sun 11/15

8:16 am-12:50 pm

1 stop5h 34m

$284
Quickest round-trip

ChampaignWashington, D.C.

CMI - IAD

CMIIAD

Champaign University-Willard

Tue 11/24

6:30 am-11:46 am

1 stop4h 16m

Washington, D.C. Dulles Intl

Tue 12/1

8:35 am-12:50 pm

1 stop5h 15m

$350

ChampaignWashington, D.C.

CMI - IAD

CMIIAD

Champaign University-Willard

Sat 11/21

1:32 pm-9:04 pm

1 stop6h 32m

Washington, D.C. Dulles Intl

Fri 11/27

8:16 am-12:50 pm

1 stop5h 34m

$364

ChampaignWashington, D.C.

CMI - IAD

CMIIAD

Champaign University-Willard

Sat 8/8

6:00 am-10:55 pm

2 stops15h 55m

Washington, D.C. Dulles Intl

Sat 8/15

7:57 am-8:28 pm

2 stops13h 31m

$445
Cheapest one-way
Quickest one-way

ChampaignWashington, D.C.

CMI - IAD

CMIIAD

Champaign University-Willard

Sat 8/1

2:46 pm-10:38 pm

1 stop6h 52m

$689

ChampaignWashington, D.C.

CMI - IAD

CMIIAD

Champaign University-Willard

Sat 8/1

2:46 pm-3:40 pm

2 stops47h 54m

$1,835

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/11

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 6h 32m. Fly via United Airlines to get the fastest option. Champaign and Washington, D.C. Dulles Intl Airport are separated by a distance of 581 mi.

  • 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
Arlington
Tysons
Owings Mills
Springfield
Lanham
Reston
Herndon
Rockville
Hyattsville
Manassas
Falls Church
Fredericksburg
Hanover
Chantilly
Laurel
Sterling
Silver Spring
Clinton
Hunt Valley

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