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Champaign

$384+ Cheap flights from Washington to Champaign (CMI)

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 12/29. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CMI
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Washington to Champaign

Cheapest flights from Washington to Champaign
Explore the most affordable flight options available from Washington to Champaign. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This American Airlines deal was found by Cheapflights users on 12/16. 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.
Sat 12/2712:14 amSEA - CMI
1 stop8h 46mAmerican Airlines
Thu 1/16:52 amCMI - SEA
1 stop10h 02mAmerican Airlines
Deal found 12/16$530
This American Airlines deal was found by Cheapflights users on 12/16. 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.
Sat 12/2712:14 amSEA - CMI
1 stop8h 46mAmerican Airlines
Fri 1/22:57 pmCMI - SEA
1 stop8h 14mAmerican Airlines
Deal found 12/16$644
This American Airlines deal was found by Cheapflights users on 12/17. 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.
Sun 12/2812:14 amSEA - CMI
1 stop8h 46mAmerican Airlines
Sun 1/42:57 pmCMI - SEA
1 stop10h 11mAmerican Airlines
Deal found 12/17$691
This American Airlines deal was found by Cheapflights users on 12/16. 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.
Mon 12/2912:14 amSEA - CMI
1 stop8h 46mAmerican Airlines
Sun 1/42:57 pmCMI - SEA
1 stop8h 14mAmerican Airlines
Deal found 12/16$711
This American Airlines deal was found by Cheapflights users on 12/15. 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 12/315:23 amSEA - CMI
2 stops11h 17mAmerican Airlines
Sun 1/411:29 amCMI - SEA
1 stop13h 44mAmerican Airlines
Deal found 12/15$889

Find flight deals from Washington to Champaign

Keep the following information in mind while searching for Washington to Champaign flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$407
(American Airlines)

One-way from

$384
(American Airlines)

Popular in

December

Cheapest in

January

Average price

$834
Provider with most accurate pricing for Seattle/Tacoma Intl-Champaign University-Willard flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Champaign University-Willard flights.
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From Washington to Champaign University-Willard
Search Deals
One-way flight from Washington to Champaign University-Willard
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($92 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($35 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington 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 December 18, 2025.
Use the filters below to find and compare flights from Washington to Champaign that are best for you.

Fly from

Washington

Fly to

Champaign

Route

Depart

Return

Price

SeattleChampaign

SEA - CMI

SEACMI

Seattle/Tacoma Intl

Tue 1/6

11:55 am-9:06 pm

1 stop7h 11m

Champaign University-Willard

Sat 1/10

7:03 am-3:34 pm

1 stop10h 31m

$407

SeattleChampaign

SEA - CMI

SEACMI

Seattle/Tacoma Intl

Tue 1/6

11:55 am-9:06 pm

1 stop7h 11m

Champaign University-Willard

Sun 1/11

3:45 pm-11:51 pm

1 stop10h 06m

$487

SeattleChampaign

SEA - CMI

SEACMI

Seattle/Tacoma Intl

Sat 12/27

12:14 am-11:00 am

1 stop8h 46m

Champaign University-Willard

Thu 1/1

6:52 am-2:54 pm

1 stop10h 02m

$530

PortlandChampaign

PDX - CMI

PDXCMI

Portland

Thu 1/1

11:53 am-8:37 pm

1 stop6h 44m

Champaign University-Willard

Fri 1/16

7:03 am-1:21 pm

1 stop8h 18m

$544

PortlandChampaign

PDX - CMI

PDXCMI

Portland

Fri 1/9

12:35 pm-9:17 pm

1 stop6h 42m

Champaign University-Willard

Mon 1/12

7:03 am-1:21 pm

1 stop8h 18m

$558

SeattleChampaign

SEA - CMI

SEACMI

Seattle/Tacoma Intl

Sat 12/27

12:14 am-11:00 am

1 stop8h 46m

Champaign University-Willard

Fri 1/2

2:57 pm-9:11 pm

1 stop8h 14m

$644

SeattleChampaign

SEA - CMI

SEACMI

Seattle/Tacoma Intl

Sun 12/28

12:14 am-11:00 am

1 stop8h 46m

Champaign University-Willard

Sun 1/4

2:57 pm-11:08 pm

1 stop10h 11m

$691

SeattleChampaign

SEA - CMI

SEACMI

Seattle/Tacoma Intl

Tue 12/30

12:14 am-11:00 am

1 stop8h 46m

Champaign University-Willard

Sun 1/4

2:57 pm-9:11 pm

1 stop8h 14m

$711

SeattleChampaign

SEA - CMI

SEACMI

Seattle/Tacoma Intl

Mon 12/29

12:14 am-11:00 am

1 stop8h 46m

Champaign University-Willard

Sun 1/4

2:57 pm-9:11 pm

1 stop8h 14m

$711

SeattleChampaign

SEA - CMI

SEACMI

Seattle/Tacoma Intl

Mon 12/29

12:14 am-11:00 am

1 stop8h 46m

$384

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 12 results
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Best time to book a flight from Washington to Champaign

Have a flexible travel schedule? Discover the best time to fly to Champaign from Washington 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.

Cheapflights Insights

Everything you need to know about your flight from Washington to Champaign

What is the cheapest month to book a flight from State of Washington to Champaign?

Currently, January is the cheapest month in which you can book a flight from State of Washington to Champaign (average of $220). Flying from State of Washington to Champaign in July is currently the most expensive (average of $356). 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.

How much does it cost to fly round-trip from State of Washington to Champaign?

Related info for your journey

Find useful and relevant information for your journey from Washington 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?

    Located just 11.3 mi from the city center, Champaign University-Willard (CMI) is the airport most travelers will use when flying to Champaign from Washington.

  • How long is the flight from State of Washington to Champaign?

    Airlines like American Airlines fly from State of Washington to Champaign in about 7h 11m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 1757 mi.

  • What are the most popular routes from State of Washington to Champaign?

    Most travelers choose Seattle/Tacoma Intl - Champaign University-Willard, Portland - Champaign University-Willard or Spokane - Champaign University-Willard when deciding on the best route from State of Washington to Champaign.

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

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

  • How can I find direct flights from Washington to Champaign?

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

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

    Yes. Cheapflights offers flight deals from Washington 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 State of Washington to Champaign?

    Currently, January is the cheapest month in which you can book a flight from State of Washington to Champaign (average of $220). Flying from State of Washington to Champaign in July is currently the most expensive (average of $356). 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

Traveling to a place near Champaign?

Book flights to Champaign if you plan to visit one of these locations
Urbana
Danville

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Alternative routes for Washington to Champaign

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Washington to Champaign

Discover the top airline that operate flights from Washington to Champaign. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$220Average$514FlexibilityNo cancel feeOn-time71%

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