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 54m. 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.

$419+ 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 September 11, 2026.

Sat 11/146:05 am -

2 stops15h 54m

Wed 11/187:00 am -

2 stops12h 18m

Deal found 9/8

$419

Wed 11/186:05 am -

2 stops9h 38m

Thu 11/266:00 am -

2 stops9h 52m

Deal found 9/6

$672

Wed 11/1812:13 pm -

2 stops9h 46m

Mon 11/308:07 pm -

2 stops25h 11m

Deal found 9/7

$720

Wed 11/186:05 am -

2 stops9h 38m

Fri 11/279:33 am -

2 stops11h 45m

Deal found 9/6

$757

Thu 11/197:01 pm -

2 stops12h 58m

Mon 11/308:07 pm -

2 stops25h 11m

Deal found 9/7

$810

Fri 11/205:53 am -

2 stops12h 44m

Mon 11/308:07 pm -

2 stops25h 11m

Deal found 9/7

$830

Tue 11/176:08 am -

2 stops15h 51m

Thu 11/266:00 am -

2 stops9h 52m

Deal found 9/6

$1,017

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 September 11, 2026.

Sat 11/146:05 am -

2 stops15h 54m

Wed 11/187:00 am -

2 stops12h 18m

Deal found 9/8

$419

Wed 11/1812:13 pm -

2 stops9h 46m

Mon 11/308:07 pm -

2 stops25h 11m

Deal found 9/7

$720

Thu 11/197:01 pm -

2 stops12h 58m

Mon 11/308:07 pm -

2 stops25h 11m

Deal found 9/7

$810

Fri 11/205:53 am -

2 stops12h 44m

Mon 11/308:07 pm -

2 stops25h 11m

Deal found 9/7

$830

Fri 11/205:53 am -

2 stops12h 44m

Sat 11/286:00 am -

2 stops14h 22m

Deal found 9/6

$1,104

Thu 11/195:53 am -

2 stops16h 16m

Sun 11/296:57 pm -

1 stop20h 02m

Deal found 9/7

$1,136

Wed 11/1812:13 pm -

2 stops9h 46m

Tue 12/15:41 pm -

2 stops27h 40m

Deal found 9/6

$1,150

Mon 11/235:53 am -

2 stops12h 44m

Fri 11/279:33 am -

2 stops11h 45m

Deal found 9/6

$1,213

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 September 11, 2026.

Wed 10/147:11 am -

1 stop10h 12m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/10

$549

Fri 11/202:29 pm -

1 stop26h 38m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/9

$601

Sat 11/2112:14 pm -

2 stops8h 47m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/9

$712

Sun 11/2212:14 pm -

2 stops8h 47m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/9

$772

Sun 10/47:16 am -

1 stop10h 28m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/10

$857

Wed 10/142:37 pm -

2 stops48h 03m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/10

$1,770

Find flight deals from Champaign to Dulles Intl

Most accurate provider	Expedia 1 star
Most trusted provider	Expedia 3 stars
Round-trip from	$419 (American Airlines)
Popular in	June
Cheapest in	May
Average price	$469

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

Search Deals

Highest demand for flights based on searches. 23% potential increase in price ($151 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 15% potential price decrease ($67 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 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

Sat 11/14

6:05 am-10:59 pm

2 stops15h 54m

Washington, D.C. Dulles Intl

Wed 11/18

7:00 am-6:18 pm

2 stops12h 18m

$419

ChampaignWashington, D.C.

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

CMIIAD

Champaign University-Willard

Wed 10/14

7:11 am-6:23 pm

1 stop10h 12m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$549

ChampaignWashington, D.C.

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

CMIIAD

Champaign University-Willard

Fri 11/20

5:53 am-7:37 pm

2 stops12h 44m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$697

Quickest round-trip

ChampaignWashington, D.C.

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

CMIIAD

Champaign University-Willard

Sat 11/21

12:14 pm-10:01 pm

2 stops8h 47m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$712

ChampaignWashington, D.C.

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

CMIIAD

Champaign University-Willard

Wed 11/18

12:13 pm-10:59 pm

2 stops9h 46m

Washington, D.C. Dulles Intl

Mon 11/30

8:07 pm-8:18 pm

2 stops25h 11m

$720

ChampaignWashington, D.C.

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

CMIIAD

Champaign University-Willard

Sun 11/22

12:14 pm-10:01 pm

2 stops8h 47m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$772

ChampaignWashington, D.C.

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

CMIIAD

Champaign University-Willard

Thu 11/19

7:01 pm-8:59 am

2 stops12h 58m

Washington, D.C. Dulles Intl

Mon 11/30

8:07 pm-8:18 pm

2 stops25h 11m

$810

ChampaignWashington, D.C.

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

CMIIAD

Champaign University-Willard

Fri 11/20

5:53 am-7:37 pm

2 stops12h 44m

Washington, D.C. Dulles Intl

Mon 11/30

8:07 pm-8:18 pm

2 stops25h 11m

$830

ChampaignWashington, D.C.

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

CMIIAD

Champaign University-Willard

Fri 11/20

5:53 am-7:37 pm

2 stops12h 44m

Washington, D.C. Dulles Intl

Sat 11/28

6:00 am-7:22 pm

2 stops14h 22m

$1,104

ChampaignWashington, D.C.

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

CMIIAD

Champaign University-Willard

Thu 11/19

5:53 am-11:09 pm

2 stops16h 16m

Washington, D.C. Dulles Intl

Sun 11/29

6:57 pm-1:59 pm

1 stop20h 02m

$1,136

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 14 resultsSorted 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 15h 54m. 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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$419+ 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 11/14. 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 September 11, 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 September 11, 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 September 11, 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 September 11, 2026.

Last-minute flights from Champaign to Dulles IntlDiscover last-minute flight deals from Champaign to Dulles Intl. Data last updated September 11, 2026 and is based on user searches.

Discover last-minute flight deals from Champaign to Dulles Intl. Data last updated September 11, 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 September 11, 2026.

Search for one-way flight options from Champaign to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated September 11, 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?

Traveling to a place near Washington, D.C. Dulles Intl Airport?

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Alternative routes for Champaign to Dulles Intl

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Complete your trip

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Other flights to Dulles Intl

Explore flights to Dulles Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 11, 2026.

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Champaign and Dulles Intl flights

Browse other Champaign and Dulles Intl flight options. Last updated on September 11, 2026.

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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 September 11, 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 September 11, 2026.

Last-minute flights from Champaign to Dulles Intl
Discover last-minute flight deals from Champaign to Dulles Intl. Data last updated September 11, 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 September 11, 2026.