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 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.

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

Currently, July is the cheapest month in which you can book a flight from Champaign to Washington, D.C. Dulles Intl Airport (average of $303). Flying from Champaign to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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.

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 month to fly from Champaign to Washington, D.C. Dulles Intl Airport?

July can be a great time to fly to Washington, D.C. Dulles Intl Airport from Champaign with a flight ticket averaging about $486. Cheapflights users have found deals in the month of July for as cheap as $298. The most expensive prices can be found in the month of November.

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.

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.

$531+ Flights from Champaign to Washington, D.C. Dulles Intl Airport

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Cheap flight deals from Champaign to Dulles Intl

Round-trip from	$531 (American Airlines)
Popular in	November
Cheapest in	July
Average price	$308

From Champaign University-Willard to Washington, D.C. Dulles Intl

Search Deals

Highest demand for flights based on searches. 23% potential increase in price ($148 potential increase over avg. RT price).

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Cheapest flight prices on average. 4% potential price decrease ($21 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 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 agosto 20, 2025.

mié. 10/297:00 amCMI - IAD

2 stops10h 54mAmerican Airlines

sáb. 11/16:34 amIAD - CMI

2 stops12h 57mAmerican Airlines

Deal found 8/18

$531

mar. 10/286:40 amCMI - IAD

1 stop15h 11mAmerican Airlines

vie. 10/3111:41 amIAD - CMI

1 stop28h 38mAmerican Airlines

Deal found 8/18

$554

mié. 9/246:00 amCMI - IAD

1 stop9h 50mAmerican Airlines

sáb. 9/276:25 amIAD - CMI

1 stop9h 34mAmerican Airlines

Deal found 8/18

$594

jue. 9/257:12 amCMI - IAD

2 stops11h 30mAmerican Airlines

dom. 9/2812:04 pmIAD - CMI

2 stops10h 47mAmerican Airlines

Deal found 8/19

$633

mar. 9/23:46 pmCMI - IAD

2 stops17h 21mAmerican Airlines

sáb. 9/67:17 pmIAD - CMI

2 stops20h 45mAmerican Airlines

Deal found 8/18

$654

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 agosto 20, 2025.

mié. 10/297:00 amCMI - IAD

2 stops10h 54mAmerican Airlines

sáb. 11/16:34 amIAD - CMI

2 stops12h 57mAmerican Airlines

Deal found 8/18

$531

mar. 10/286:40 amCMI - IAD

1 stop15h 11mAmerican Airlines

vie. 10/3111:41 amIAD - CMI

1 stop28h 38mAmerican Airlines

Deal found 8/18

$554

mié. 9/246:00 amCMI - IAD

1 stop9h 50mAmerican Airlines

sáb. 9/276:25 amIAD - CMI

1 stop9h 34mAmerican Airlines

Deal found 8/18

$594

jue. 9/257:12 amCMI - IAD

2 stops11h 30mAmerican Airlines

dom. 9/2812:04 pmIAD - CMI

2 stops10h 47mAmerican Airlines

Deal found 8/19

$633

mar. 9/23:46 pmCMI - IAD

2 stops17h 21mAmerican Airlines

sáb. 9/67:17 pmIAD - CMI

2 stops20h 45mAmerican Airlines

Deal found 8/18

$654

Last-minute flights from Champaign to Dulles Intl
Discover last-minute flight deals from Champaign to Dulles Intl. Data last updated agosto 20, 2025 and is based on user searches.

mar. 9/23:46 pmCMI - IAD

2 stops17h 21mAmerican Airlines

sáb. 9/67:17 pmIAD - CMI

2 stops20h 45mAmerican Airlines

Deal found 8/18

$654

jue. 9/46:00 amCMI - IAD

1 stop9h 50mAmerican Airlines

lun. 9/86:25 amIAD - CMI

1 stop9h 34mAmerican Airlines

Deal found 8/20

$871

mié. 9/246:00 amCMI - IAD

1 stop9h 50mAmerican Airlines

sáb. 9/276:25 amIAD - CMI

1 stop9h 34mAmerican Airlines

Deal found 8/18

$594

jue. 9/257:12 amCMI - IAD

2 stops11h 30mAmerican Airlines

dom. 9/2812:04 pmIAD - CMI

2 stops10h 47mAmerican Airlines

Deal found 8/19

$633

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 agosto 20, 2025.

mié. 12/2411:28 amCMI - IAD

2 stops11h 34mAmerican Airlines

Deal found 8/19

$548

lun. 12/15:02 amCMI - IAD

1 stop10h 09mAmerican Airlines

Deal found 8/18

$837

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

ChampaignWashington, D.C.

CMI - IAD

CMIIAD

Champaign University-Willard

mié. 10/29

7:00 am-6:54 pm

2 stops10h 54m

Washington, D.C. Dulles Intl

sáb. 11/1

6:34 am-6:31 pm

2 stops12h 57m

$531

ChampaignWashington, D.C.

CMI - IAD

CMIIAD

Champaign University-Willard

mar. 10/28

6:40 am-10:51 pm

1 stop15h 11m

Washington, D.C. Dulles Intl

vie. 10/31

11:41 am-3:19 pm

1 stop28h 38m

$554

ChampaignWashington, D.C.

CMI - IAD

CMIIAD

Champaign University-Willard

mié. 9/24

6:00 am-4:50 pm

1 stop9h 50m

Washington, D.C. Dulles Intl

sáb. 9/27

6:25 am-2:59 pm

1 stop9h 34m

$594

ChampaignWashington, D.C.

CMI - IAD

CMIIAD

Champaign University-Willard

jue. 9/25

7:12 am-7:42 pm

2 stops11h 30m

Washington, D.C. Dulles Intl

dom. 9/28

12:04 pm-9:51 pm

2 stops10h 47m

$633

ChampaignWashington, D.C.

CMI - IAD

CMIIAD

Champaign University-Willard

mar. 9/2

3:46 pm-10:07 am

2 stops17h 21m

Washington, D.C. Dulles Intl

sáb. 9/6

7:17 pm-3:02 pm

2 stops20h 45m

$654

ChampaignWashington, D.C.

CMI - IAD

CMIIAD

Champaign University-Willard

mié. 12/24

11:28 am-12:02 am

2 stops11h 34m

$548

ChampaignWashington, D.C.

CMI - IAD

CMIIAD

Champaign University-Willard

lun. 12/1

5:02 am-4:11 pm

1 stop10h 09m

$837

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/19

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

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 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.
What is the cheapest month to book a flight from Champaign to Washington, D.C. Dulles Intl Airport?
Currently, July is the cheapest month in which you can book a flight from Champaign to Washington, D.C. Dulles Intl Airport (average of $303). Flying from Champaign to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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.

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$531+ 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 10/29. 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

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Champaign to Dulles Intl

Round-trip from

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Cheapest in

Average price

Find 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 agosto 20, 2025.

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 agosto 20, 2025.

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.

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

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?

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?

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

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

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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 agosto 20, 2025.