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$564+ Cheap flights from Dulles Intl (IAD) to Champaign (CMI)

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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — CMI
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheap flight deals from Dulles Intl to Champaign

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Champaign (CMI). 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 August 14, 2025.

Round-trip from

$564
(American Airlines)

Popular in

June

Cheapest in

March

Average price

$378
From Washington, D.C. Dulles Intl to Champaign University-Willard
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Highest demand for flights based on searches. 32% potential increase in price ($215 potential increase over avg. RT price).
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Cheapest flight prices on average. 9% potential price decrease ($38 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Dulles Intl to Champaign

Cheapest flights from Dulles Intl to Champaign
Explore the most affordable flight options available from Dulles Intl to Champaign. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This American Airlines deal was found by Cheapflights users on 8/12. 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 9/102:21 pmIAD - CMI
2 stops21h 26mAmerican Airlines
Wed 9/177:12 amCMI - IAD
2 stops10h 39mAmerican Airlines
Deal found 8/12$564
This American Airlines deal was found by Cheapflights users on 8/14. 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 8/2811:51 amIAD - CMI
1 stop9h 52mAmerican Airlines
Sat 8/306:00 amCMI - IAD
1 stop12h 00mAmerican Airlines
Deal found 8/14$838
This American Airlines deal was found by Cheapflights users on 8/13. 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 8/286:27 amIAD - CMI
1 stop9h 49mAmerican Airlines
Mon 9/16:00 amCMI - IAD
1 stop10h 13mAmerican Airlines
Deal found 8/13$871

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Champaign 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 August 14, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Champaign that are best for you.

Fly from

Dulles Intl

Fly to

Champaign

Route

Depart

Return

Price

Washington, D.C.Champaign

IAD - CMI

IADCMI

Washington, D.C. Dulles Intl

Wed 9/10

2:21 pm-10:47 am

2 stops21h 26m

Champaign University-Willard

Wed 9/17

7:12 am-6:51 pm

2 stops10h 39m

$564

Washington, D.C.Champaign

IAD - CMI

IADCMI

Washington, D.C. Dulles Intl

Fri 8/29

11:51 am-8:42 pm

1 stop9h 51m

Champaign University-Willard

Tue 9/2

6:47 am-6:56 pm

1 stop11h 09m

$838

Washington, D.C.Champaign

IAD - CMI

IADCMI

Washington, D.C. Dulles Intl

Thu 8/28

11:51 am-8:43 pm

1 stop9h 52m

Champaign University-Willard

Sat 8/30

6:00 am-7:00 pm

1 stop12h 00m

$838

Washington, D.C.Champaign

IAD - CMI

IADCMI

Washington, D.C. Dulles Intl

Thu 8/28

6:27 am-3:16 pm

1 stop9h 49m

Champaign University-Willard

Mon 9/1

6:00 am-5:13 pm

1 stop10h 13m

$871

Washington, D.C.Champaign

IAD - CMI

IADCMI

Washington, D.C. Dulles Intl

Sun 11/30

6:04 am-2:45 pm

1 stop9h 41m

$1,206

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Best time to book a flight from Dulles Intl to Champaign

Have a flexible travel schedule? Discover the best time to fly to Champaign from Dulles Intl 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 Dulles Intl to Champaign. 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 into for flights to Champaign from Washington, D.C. Dulles Intl?

    Located just 11.3 mi from the city center, Champaign University-Willard is the airport most travelers will use when flying to Champaign from Washington, D.C. Dulles Intl. Booking flights from Washington, D.C. Dulles Intl to University-Willard (CMI) should be relatively easy as there are 0 daily inbound flights from Washington, D.C. Dulles Intl from 0 different airlines.

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

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

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

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

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

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

  • What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Champaign?

    Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Champaign (average of $384). Flying from Washington, D.C. Dulles Intl Airport to Champaign in June is currently the most expensive (average of $549). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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