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$348+ Cheap flights from Champaign (CMI) to Washington

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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
CMI — SEA
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Champaign to Washington

Cheapest flights from Champaign to Washington
Explore the most affordable flight options available from Champaign to Washington. 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 12/15. 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.
Tue 12/307:10 pmCMI - SEA
1 stop16h 52mAmerican Airlines
Fri 1/212:14 amSEA - CMI
1 stop8h 46mAmerican Airlines
Deal found 12/15$1,019
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.
Sun 12/286:52 amCMI - PDX
1 stop20h 02mAmerican Airlines
Fri 1/211:59 pmPDX - CMI
1 stop12h 40mAmerican Airlines
Deal found 12/16$1,155

Find flight deals from Champaign to Washington

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

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$348
(American Airlines)

Popular in

November

Cheapest in

March

Average price

$590
Provider with most accurate pricing for Champaign University-Willard-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Champaign University-Willard-Seattle/Tacoma Intl flights.
Search Deals
From Champaign University-Willard to Washington
Search Deals
Highest demand for flights based on searches. 42% potential increase in price ($413 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 18% potential price decrease ($88 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Champaign to Washington 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 Champaign to Washington that are best for you.

Fly from

Champaign

Fly to

Washington

Route

Depart

Return

Price

ChampaignSeattle

CMI - SEA

CMISEA

Champaign University-Willard

Wed 4/15

6:44 pm-11:05 pm

1 stop6h 21m

Seattle/Tacoma Intl

Sat 4/18

11:51 am-9:29 pm

1 stop7h 38m

$348

ChampaignSeattle

CMI - SEA

CMISEA

Champaign University-Willard

Wed 4/15

6:44 pm-11:05 pm

1 stop6h 21m

Seattle/Tacoma Intl

Sun 4/19

5:47 am-2:26 pm

1 stop6h 39m

$397

ChampaignPortland

CMI - PDX

CMIPDX

Champaign University-Willard

Sun 1/18

11:24 am-8:22 pm

1 stop10h 58m

Portland

Sat 1/24

6:00 am-6:23 pm

1 stop10h 23m

$501

ChampaignPortland

CMI - PDX

CMIPDX

Champaign University-Willard

Fri 1/9

7:03 am-1:21 pm

1 stop8h 18m

Portland

Fri 2/6

12:35 pm-9:17 pm

1 stop6h 42m

$542

ChampaignPortland

CMI - PDX

CMIPDX

Champaign University-Willard

Fri 1/9

3:45 pm-10:11 pm

1 stop8h 26m

Portland

Mon 1/12

12:35 pm-9:17 pm

1 stop6h 42m

$558

ChampaignPortland

CMI - PDX

CMIPDX

Champaign University-Willard

Fri 1/9

3:45 pm-10:11 pm

1 stop8h 26m

Portland

Sat 1/10

12:35 pm-9:17 pm

1 stop6h 42m

$558

ChampaignSeattle

CMI - SEA

CMISEA

Champaign University-Willard

Fri 5/29

3:53 pm-10:54 pm

1 stop9h 01m

Seattle/Tacoma Intl

Sat 6/6

1:31 pm-9:34 pm

1 stop6h 03m

$570

ChampaignPortland

CMI - PDX

CMIPDX

Champaign University-Willard

Thu 1/1

6:52 am-6:02 pm

1 stop13h 10m

Portland

Sun 1/4

12:49 am-2:27 pm

1 stop11h 38m

$616

ChampaignPortland

CMI - PDX

CMIPDX

Champaign University-Willard

Fri 1/9

7:03 am-1:21 pm

1 stop8h 18m

$453

ChampaignSeattle

CMI - SEA

CMISEA

Champaign University-Willard

Sat 1/3

6:52 am-2:54 pm

1 stop10h 02m

$569

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Best time to book a flight from Champaign to Washington

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

Cheapflights Insights

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

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

Currently, April is the cheapest month in which you can book a flight from Champaign to State of Washington (average of $248). Flying from Champaign to State of Washington in July is currently the most expensive (average of $360). 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.

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington. Reviews last updated December 18, 2025.
Read through reviews of airlines operating flights from Champaign to Washington, such as American Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
11,054 reviews

Entertainment

6.9

Food

6.5

Boarding

7.5

Comfort

7.2

Crew

8.0

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit
American Airlines
7.2
Good
11,054 reviews
American Airlines
7.2
Good
11,054 reviews

Entertainment

6.9

Food

6.5

Boarding

7.5

Comfort

7.2

Crew

8.0

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit

Related info for your journey

Find useful and relevant information for your journey from Champaign to Washington. 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?

    If you book a flight to Washington 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.

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

    There are many flights that can get you from Champaign to State of Washington in 6h 21m. Fly via American Airlines to get the fastest option. The distance between Champaign and State of Washington is about 1757 mi.

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

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

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

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

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

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

    Currently, April is the cheapest month in which you can book a flight from Champaign to State of Washington (average of $248). Flying from Champaign to State of Washington in July is currently the most expensive (average of $360). 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

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Top airline flying from Champaign to Washington

Discover the top airline that operate flights from Champaign to Washington. 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$280Average$493FlexibilityNo cancel feeOn-time71%

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