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Cheap flights from Champaign to Seattle from $298

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Champaign to Seattle departing on 3/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Champaign to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
3:47 pm - 11:13 pm
CMI
-
SEA
9h 26m
1 stop
American Airlines Logo
5:30 am - 2:24 pm
SEA
-
CMI
6h 54m
1 stop
$298American Airlines
Thu, Mar 12 - Mon, Mar 16
American Airlines Logo
3:47 pm - 11:04 pm
CMI
-
SEA
9h 17m
1 stop
American Airlines Logo
12:07 am - 9:21 am
SEA
-
CMI
7h 14m
1 stop
$348American Airlines
Tue, Feb 17 - Fri, Feb 20
American Airlines Logo
3:47 pm - 11:13 pm
CMI
-
SEA
9h 26m
1 stop
American Airlines Logo
7:21 am - 3:17 pm
SEA
-
CMI
5h 56m
1 stop
$358American Airlines
Thu, Mar 12 - Tue, Mar 17
United Airlines Logo
1:32 pm - 10:18 pm
CMI
-
SEA
10h 46m
2 stops
United Airlines Logo
10:40 pm - 8:54 am
SEA
-
CMI
8h 14m
1 stop
$364United Airlines
Fri, Jul 10 - Wed, Jul 22
United Airlines Logo
9:49 am - 10:18 pm
CMI
-
SEA
14h 29m
2 stops
United Airlines Logo
8:45 am - 11:59 pm
SEA
-
CMI
13h 14m
2 stops
$369United Airlines
Fri, Jul 10 - Wed, Jul 22
American Airlines Logo
6:00 am - 12:47 pm
CMI
-
SEA
8h 47m
1 stop
American Airlines Logo
12:13 am - 9:22 am
SEA
-
CMI
7h 09m
1 stop
$388American Airlines
Thu, Mar 12 - Sun, Mar 15
American Airlines Logo
6:00 am - 12:47 pm
CMI
-
SEA
8h 47m
1 stop
American Airlines Logo
12:07 am - 9:22 am
SEA
-
CMI
7h 15m
1 stop
$397American Airlines
Wed, Mar 11 - Sat, Mar 21
United Airlines Logo
1:32 pm - 10:18 pm
CMI
-
SEA
10h 46m
2 stops
United Airlines Logo
10:40 pm - 8:54 am
SEA
-
CMI
8h 14m
1 stop
$404United Airlines
Fri, Jun 12 - Mon, Jun 22
American Airlines Logo
3:47 pm - 11:04 pm
CMI
-
SEA
9h 17m
1 stop
American Airlines Logo
12:13 am - 9:23 am
SEA
-
CMI
7h 10m
1 stop
$417American Airlines
Wed, Mar 18 - Fri, Mar 20
United Airlines Logo
1:32 pm - 7:06 pm
CMI
-
SEA
7h 34m
1 stop
United Airlines Logo
10:40 pm - 8:54 am
SEA
-
CMI
8h 14m
1 stop
$438United Airlines
Wed, Jun 10 - Mon, Jun 22

United Airlines flights from Champaign to Seattle

Our best United Airlines deals on Champaign to Seattle flight tickets
United Airlines
May 29
CMI1:32 pmChampaign University-Willard
11h 49m
2 stops
SEA11:21 pmSeattle/Tacoma Intl
Jun 6
SEA11:52 pmSeattle/Tacoma Intl
7h 02m
1 stop
CMI8:54 amChampaign University-Willard
$364
United Airlines
Jul 10
CMI9:49 amChampaign University-Willard
14h 29m
2 stops
SEA10:18 pmSeattle/Tacoma Intl
Jul 22
SEA8:45 amSeattle/Tacoma Intl
13h 14m
2 stops
CMI11:59 pmChampaign University-Willard
$369
United Airlines
Jun 12
CMI1:32 pmChampaign University-Willard
10h 46m
2 stops
SEA10:18 pmSeattle/Tacoma Intl
Jun 22
SEA10:40 pmSeattle/Tacoma Intl
8h 14m
1 stop
CMI8:54 amChampaign University-Willard
$404

American Airlines flights from Champaign to Seattle

Our best American Airlines deals on Champaign to Seattle flight tickets
American Airlines
Mar 12
CMI3:47 pmChampaign University-Willard
9h 26m
1 stop
SEA11:13 pmSeattle/Tacoma Intl
Mar 16
SEA5:30 amSeattle/Tacoma Intl
6h 54m
1 stop
CMI2:24 pmChampaign University-Willard
$298
American Airlines
Feb 17
CMI3:47 pmChampaign University-Willard
9h 17m
1 stop
SEA11:04 pmSeattle/Tacoma Intl
Feb 20
SEA12:07 amSeattle/Tacoma Intl
7h 14m
1 stop
CMI9:21 amChampaign University-Willard
$348
American Airlines
Mar 12
CMI3:47 pmChampaign University-Willard
9h 26m
1 stop
SEA11:13 pmSeattle/Tacoma Intl
Mar 17
SEA7:21 amSeattle/Tacoma Intl
5h 56m
1 stop
CMI3:17 pmChampaign University-Willard
$358

momondo Fare Finder

 
Customize your flight search to find flights from Champaign to Seattle 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, momondo users made 832,500 searches. Data last updated February 3, 2026.
Use the filters below to find and compare flights from Champaign to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChampaignSeattle

CMI - SEA

CMISEA

Champaign University-Willard

Thu 3/12

3:47 pm-11:13 pm

1 stop9h 26m

Seattle/Tacoma Intl

Mon 3/16

5:30 am-2:24 pm

1 stop6h 54m

$298

ChampaignSeattle

CMI - SEA

CMISEA

Champaign University-Willard

Tue 2/17

3:47 pm-11:04 pm

1 stop9h 17m

Seattle/Tacoma Intl

Fri 2/20

12:07 am-9:21 am

1 stop7h 14m

$348

ChampaignSeattle

CMI - SEA

CMISEA

Champaign University-Willard

Thu 3/12

3:47 pm-11:13 pm

1 stop9h 26m

Seattle/Tacoma Intl

Tue 3/17

7:21 am-3:17 pm

1 stop5h 56m

$358

ChampaignSeattle

CMI - SEA

CMISEA

Champaign University-Willard

Fri 7/10

1:32 pm-10:18 pm

2 stops10h 46m

Seattle/Tacoma Intl

Wed 7/22

10:40 pm-8:54 am

1 stop8h 14m

$364

ChampaignSeattle

CMI - SEA

CMISEA

Champaign University-Willard

Fri 7/10

9:49 am-10:18 pm

2 stops14h 29m

Seattle/Tacoma Intl

Wed 7/22

8:45 am-11:59 pm

2 stops13h 14m

$369

ChampaignSeattle

CMI - SEA

CMISEA

Champaign University-Willard

Thu 3/12

6:00 am-12:47 pm

1 stop8h 47m

Seattle/Tacoma Intl

Sun 3/15

12:13 am-9:22 am

1 stop7h 09m

$388

ChampaignSeattle

CMI - SEA

CMISEA

Champaign University-Willard

Wed 3/11

6:00 am-12:47 pm

1 stop8h 47m

Seattle/Tacoma Intl

Sat 3/21

12:07 am-9:22 am

1 stop7h 15m

$397

ChampaignSeattle

CMI - SEA

CMISEA

Champaign University-Willard

Fri 6/12

1:32 pm-10:18 pm

2 stops10h 46m

Seattle/Tacoma Intl

Mon 6/22

10:40 pm-8:54 am

1 stop8h 14m

$404

ChampaignSeattle

CMI - SEA

CMISEA

Champaign University-Willard

Wed 3/18

3:47 pm-11:04 pm

1 stop9h 17m

Seattle/Tacoma Intl

Fri 3/20

12:13 am-9:23 am

1 stop7h 10m

$417

ChampaignSeattle

CMI - SEA

CMISEA

Champaign University-Willard

Wed 6/10

1:32 pm-7:06 pm

1 stop7h 34m

Seattle/Tacoma Intl

Mon 6/22

10:40 pm-8:54 am

1 stop8h 14m

$438

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
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See travel insights to Seattle from

How to get the cheapest flight ticket from Champaign to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Champaign University-Willard to Seattle/Tacoma Intl?

American Airlines is the most popular carrier operating from Champaign University-Willard to Seattle/Tacoma Intl

When to book flights from Champaign to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Champaign to Seattle according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Champaign to Seattle (CMI to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Champaign to Seattle

Fastest flight time

7h 54m

Direct flights

None
The fastest flight from Champaign to Seattle takes 7h 54m
There are no direct flights from Champaign to Seattle. There are no popular flight routes from Champaign to Seattle.
Search flight deals

  • How far is Champaign University-Willard to Seattle/Tacoma Intl by plane?

    A flight from Champaign University-Willard to Seattle/Tacoma Intl will travel around 1755.7 mi. Flights usually cover this in 7h 54m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Champaign University-Willard Airport to Seattle/Tacoma Intl Airport?

    Prices for flights from Champaign University-Willard Airport to Seattle/Tacoma Intl Airport were last updated today.

  • How many operators does momondo search for flights from Champaign University-Willard Airport to Seattle/Tacoma Intl Airport?

  • How old do you have to be to fly from Champaign University-Willard Airport to Seattle/Tacoma Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Champaign University-Willard Airport to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The required travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Champaign to Seattle?

Best airlines flying from Champaign to Seattle

Compare and see reviews for airlines that fly from Champaign to Seattle with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $280Free CancellationRating
7.2
11,216 reviews
Search American Airlines flights

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Leavenworth
SeaTac
Ocean Shores
Renton
Olympia
Lynnwood
Kent
Marysville
Redmond
Puyallup
Cle Elum
Tukwila
Lakewood
Federal Way
Westport
Kirkland
Centralia
Fife
Tumwater

Why use momondo?

Why should I use momondo to find a flight deal from Champaign to Seattle?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Champaign to Seattle. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Champaign to Seattle with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Champaign to Seattle flights to just show those with flexible booking policies.

How can momondo help me find flights from Champaign to Seattle?

momondo helps you find the best flight between Champaign and Seattle by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Champaign to Seattle right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Champaign to Seattle now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Seattle and let you know when they change.

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