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Dulles Intl

$274+ Cheap flights from Champaign (CMI) to Dulles Intl (IAD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/3. Fares are subject to change and may not be available on all flights or dates of travel.
CMI — IAD
Mar 28 — Apr 41
Sat 3/28
Sat 4/4
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 February 26, 2026.

This United Airlines deal was found by Cheapflights users on 2/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/201:32 pm
CMI
-
IAD
1 stop6h 33m
United Airlines
Sat 10/248:35 am
IAD
-
CMI
1 stop5h 15m
United Airlines
Deal found 2/22$328
This United Airlines deal was found by Cheapflights users on 2/23. 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.
Wed 8/199:49 am
CMI
-
IAD
1 stop5h 12m
United Airlines
Sat 8/221:05 pm
IAD
-
CMI
1 stop5h 23m
United Airlines
Deal found 2/23$363
This United Airlines deal was found by Cheapflights users on 2/25. 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 7/36:30 am
CMI
-
IAD
1 stop4h 22m
United Airlines
Mon 7/68:15 am
IAD
-
CMI
1 stop5h 35m
United Airlines
Deal found 2/25$428
This United Airlines deal was found by Cheapflights users on 2/23. 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 6/59:49 am
CMI
-
IAD
1 stop5h 37m
United Airlines
Fri 6/1210:15 pm
IAD
-
CMI
1 stop15h 35m
United Airlines
Deal found 2/23$472
This American Airlines deal was found by Cheapflights users on 2/25. 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.
Mon 4/206:58 pm
CMI
-
IAD
2 stops19h 25m
American Airlines
Thu 4/236:25 am
IAD
-
CMI
2 stops16h 10m
American Airlines
Deal found 2/25$629

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 February 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$363
(United Airlines)

One-way from

$274
(United Airlines)

Popular in

March

Cheapest in

July

Average price

$383
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
Search Deals
One-way flight from Champaign University-Willard to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($39 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 February 26, 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

ChampaignWashington, D.C.

CMI - IAD

CMIIAD

Champaign University-Willard

Wed 8/19

9:49 am-4:01 pm

1 stop5h 12m

Washington, D.C. Dulles Intl

Sat 8/22

1:05 pm-5:28 pm

1 stop5h 23m

$363

ChampaignWashington, D.C.

CMI - IAD

CMIIAD

Champaign University-Willard

Fri 7/3

6:30 am-11:52 am

1 stop4h 22m

Washington, D.C. Dulles Intl

Mon 7/6

8:15 am-12:50 pm

1 stop5h 35m

$428

ChampaignWashington, D.C.

CMI - IAD

CMIIAD

Champaign University-Willard

Fri 6/5

6:30 am-11:52 am

1 stop4h 22m

Washington, D.C. Dulles Intl

Fri 6/12

10:24 pm-12:50 pm

2 stops15h 26m

$506

ChampaignWashington, D.C.

CMI - IAD

CMIIAD

Champaign University-Willard

Fri 7/3

9:49 am-4:26 pm

1 stop5h 37m

$274

ChampaignWashington, D.C.

CMI - IAD

CMIIAD

Champaign University-Willard

Sun 4/12

7:00 am-5:09 pm

1 stop9h 09m

$590

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/25

Sorted by cheapest first

Compare providers for flights from Champaign to Dulles Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Champaign to Dulles Intl in February.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Champaign-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Champaign-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% 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 FlightHub the most. FlightHub 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 5h 12m. 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
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Silver Spring
Herndon
Hyattsville
Fredericksburg
Hanover
Laurel
Rockville
Upper Marlboro
Linthicum Heights
Manassas
Bowie
Largo
Clinton
Towson

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