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Dulles Intl

$581+ 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 2/14. Fares are subject to change and may not be available on all flights or dates of travel.
CMI — IAD
Feb 7 — Feb 141
Sat 2/7
Sat 2/14
1 adult, Economy
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Cheap 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 January 8, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$632
(American Airlines)

One-way from

$581
(American Airlines)

Popular in

January

Cheapest in

July

Average price

$706
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.
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From Champaign University-Willard to Washington, D.C. Dulles Intl
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One-way flight from Champaign University-Willard to Washington, D.C. Dulles Intl
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Highest demand for flights based on searches. 25% potential increase in price ($169 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find 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 January 8, 2026.

This American Airlines deal was found by Cheapflights users on 1/7. 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 4/106:45 amCMI - IAD
1 stop15h 43mAmerican Airlines
Mon 4/135:55 pmIAD - CMI
1 stop21h 36mAmerican Airlines
Deal found 1/7$632
This American Airlines deal was found by Cheapflights users on 1/7. 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 3/139:52 amCMI - IAD
2 stops9h 38mAmerican Airlines
Mon 3/169:18 amIAD - CMI
2 stops13h 26mAmerican Airlines
Deal found 1/7$728
This American Airlines deal was found by Cheapflights users on 1/6. 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 1/223:45 pmCMI - IAD
2 stops19h 51mAmerican Airlines
Mon 1/265:46 pmIAD - CMI
2 stops18h 04mAmerican Airlines
Deal found 1/6$814

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 January 8, 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

Champaign

Fly to

Dulles Intl

Route

Depart

Return

Price

ChampaignWashington, D.C.

CMI - IAD

CMIIAD

Champaign University-Willard

Fri 4/10

6:45 am-11:28 pm

1 stop15h 43m

Washington, D.C. Dulles Intl

Mon 4/13

5:55 pm-2:31 pm

1 stop21h 36m

$632

ChampaignWashington, D.C.

CMI - IAD

CMIIAD

Champaign University-Willard

Fri 3/13

9:52 am-8:30 pm

2 stops9h 38m

Washington, D.C. Dulles Intl

Mon 3/16

9:18 am-9:44 pm

2 stops13h 26m

$728

ChampaignWashington, D.C.

CMI - IAD

CMIIAD

Champaign University-Willard

Thu 1/22

3:45 pm-12:36 pm

2 stops19h 51m

Washington, D.C. Dulles Intl

Mon 1/26

5:46 pm-10:50 am

2 stops18h 04m

$814

ChampaignWashington, D.C.

CMI - IAD

CMIIAD

Champaign University-Willard

Sat 2/14

7:00 am-4:34 pm

1 stop8h 34m

$581

ChampaignWashington, D.C.

CMI - IAD

CMIIAD

Champaign University-Willard

Fri 1/16

7:03 am-4:30 pm

1 stop8h 27m

$822

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/7

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 January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy2 starsTrust 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Champaign-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 15h 43m. Fly via American 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
Hanover
Fredericksburg
Linthicum Heights
Rockville
Laurel
Towson
Manassas
National Harbor
Bowie
Largo
McLean
Clinton
Upper Marlboro

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