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 10h 41m. 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.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

What is the cheapest time of day to fly from CMI to IAD?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Champaign to Washington, D.C. Dulles Intl Airport as you normally would.

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.

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.

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.

$493+ Cheap Flights from Champaign to Washington, D.C. Dulles Intl Airport

Q: E

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.

Q: 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.

Q: 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.

Q: 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.

Q: 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.

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Cheap flight deals from Champaign to Dulles Intl

Cheapest

Best

Last-minute

One-way

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 October 8, 2026.

Fri 11/612:13 pm -

2 stops10h 41m

Mon 11/910:44 am -

2 stops10h 37m

Deal found 10/6

$566

Sat 12/125:59 am -

2 stops11h 45m

Mon 12/219:11 am -

2 stops12h 50m

Deal found 10/6

$593

Mon 11/166:05 am -

2 stops15h 54m

Tue 11/246:00 am -

2 stops13h 30m

Deal found 10/8

$622

Fri 10/166:00 am -

2 stops14h 16m

Tue 10/2010:35 am -

2 stops10h 50m

Deal found 10/5

$900

Fri 10/166:00 am -

2 stops11h 45m

Fri 10/239:15 am -

2 stops12h 10m

Deal found 10/4

$944

Best flights from Champaign to Dulles Intl
Discover carefully curated flight deals from Champaign to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 8, 2026.

Fri 11/612:13 pm -

2 stops10h 41m

Mon 11/910:44 am -

2 stops10h 37m

Deal found 10/6

$566

Sat 12/125:59 am -

2 stops11h 45m

Mon 12/219:11 am -

2 stops12h 50m

Deal found 10/6

$593

Mon 11/162:32 pm -

1 stop24h 16m

Tue 11/246:57 pm -

2 stops17h 41m

Deal found 10/8

$813

Sun 11/82:32 pm -

1 stop22h 01m

Thu 11/127:14 am -

1 stop15h 48m

Deal found 10/8

$1,233

Last-minute flights from Champaign to Dulles Intl
Discover last-minute flight deals from Champaign to Dulles Intl. Data last updated October 8, 2026 and is based on user searches.

Fri 10/166:00 am -

2 stops14h 16m

Tue 10/2010:35 am -

2 stops10h 50m

Deal found 10/5

$900

Fri 10/166:00 am -

2 stops11h 45m

Fri 10/239:15 am -

2 stops12h 10m

Deal found 10/4

$944

Fri 11/612:13 pm -

2 stops10h 41m

Mon 11/910:44 am -

2 stops10h 37m

Deal found 10/6

$566

Sun 11/82:32 pm -

1 stop22h 01m

Thu 11/129:33 am -

2 stops11h 48m

Deal found 10/8

$1,172

Mon 11/166:05 am -

2 stops15h 54m

Tue 11/246:00 am -

2 stops13h 30m

Deal found 10/8

$622

Find flight deals from Champaign to Dulles Intl

Most accurate provider	Expedia 1 star
Most trusted provider	Expedia 3 stars
Round-trip from	$566 (American Airlines)
One-way from	$493 (American Airlines)
Popular in	June
Cheapest in	May
Average price	$472

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

Search Deals

One-way flight from Champaign University-Willard to Washington, D.C. Dulles Intl

Search Deals

Highest demand for flights based on searches. 23% potential increase in price ($152 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 15% potential price decrease ($66 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

Cheapflights Fare Finder

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 Champaign University-Willard - IAD Washington, D.C. Dulles Intl

CMIIAD

Champaign University-Willard

Fri 11/6

12:13 pm-11:54 pm

2 stops10h 41m

Washington, D.C. Dulles Intl

Mon 11/9

10:44 am-8:21 pm

2 stops10h 37m

$566

ChampaignWashington, D.C.

CMI Champaign University-Willard - IAD Washington, D.C. Dulles Intl

CMIIAD

Champaign University-Willard

Sat 12/12

5:59 am-6:44 pm

2 stops11h 45m

Washington, D.C. Dulles Intl

Mon 12/21

9:11 am-9:01 pm

2 stops12h 50m

$593

ChampaignWashington, D.C.

CMI Champaign University-Willard - IAD Washington, D.C. Dulles Intl

CMIIAD

Champaign University-Willard

Sun 12/20

8:31 am-10:45 pm

2 stops13h 14m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$628

ChampaignWashington, D.C.

CMI Champaign University-Willard - IAD Washington, D.C. Dulles Intl

CMIIAD

Champaign University-Willard

Mon 11/16

2:32 pm-3:48 pm

1 stop24h 16m

Washington, D.C. Dulles Intl

Tue 11/24

6:57 pm-11:38 am

2 stops17h 41m

$813

Quickest round-trip

ChampaignWashington, D.C.

CMI Champaign University-Willard - IAD Washington, D.C. Dulles Intl

CMIIAD

Champaign University-Willard

Fri 11/20

2:29 pm-11:09 pm

1 stop7h 40m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$912

ChampaignWashington, D.C.

CMI Champaign University-Willard - IAD Washington, D.C. Dulles Intl

CMIIAD

Champaign University-Willard

Sun 11/8

2:32 pm-1:33 pm

1 stop22h 01m

Washington, D.C. Dulles Intl

Thu 11/12

7:14 am-10:02 pm

1 stop15h 48m

$1,233

ChampaignWashington, D.C.

CMI Champaign University-Willard - IAD Washington, D.C. Dulles Intl

CMIIAD

Champaign University-Willard

Tue 10/20

2:37 pm-8:45 am

2 stops41h 08m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$1,770

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/5

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.

CMI-IAD

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

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 10h 41m. 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.

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$493+ 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 12/20. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Champaign to Dulles Intl with Cheapflights

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Cheap flight deals from Champaign to Dulles Intl

Cheapest flights from Champaign to Dulles IntlExplore 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 October 8, 2026.

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 October 8, 2026.

Best flights from Champaign to Dulles IntlDiscover carefully curated flight deals from Champaign to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 8, 2026.

Discover carefully curated flight deals from Champaign to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 8, 2026.

Last-minute flights from Champaign to Dulles IntlDiscover last-minute flight deals from Champaign to Dulles Intl. Data last updated October 8, 2026 and is based on user searches.

Discover last-minute flight deals from Champaign to Dulles Intl. Data last updated October 8, 2026 and is based on user searches.

One-way flights from Champaign to Dulles IntlSearch for one-way flight options from Champaign to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated October 8, 2026.

Search for one-way flight options from Champaign to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated October 8, 2026.

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Use the filters below to find and compare flights from Champaign to Washington, D.C. Dulles Intl Airport that are best for you.

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.

Related info for your journey

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

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

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

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

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

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Champaign and Dulles Intl flights

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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 October 8, 2026.

Best flights from Champaign to Dulles Intl
Discover carefully curated flight deals from Champaign to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 8, 2026.

Last-minute flights from Champaign to Dulles Intl
Discover last-minute flight deals from Champaign to Dulles Intl. Data last updated October 8, 2026 and is based on user searches.

One-way flights from Champaign to Dulles Intl
Search for one-way flight options from Champaign to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated October 8, 2026.