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Cheap flights from Seattle to Champaign from $269

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Champaign departing on 3/1. 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 Seattle to Champaign

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
12:07 am - 9:12 am
SEA
-
CMI
7h 05m
1 stop
American Airlines Logo
3:47 pm - 11:13 pm
CMI
-
SEA
9h 26m
1 stop
$269American Airlines
Sun, Mar 1 - Mon, Mar 9
United Airlines Logo
2:23 pm - 11:49 pm
SEA
-
CMI
7h 26m
1 stop
United Airlines Logo
1:32 pm - 9:59 pm
CMI
-
SEA
10h 27m
2 stops
$274United Airlines
Tue, May 19 - Sat, May 23
United Airlines Logo
7:36 pm - 9:06 am
SEA
-
CMI
11h 30m
2 stops
United Airlines Logo
1:32 pm - 9:59 pm
CMI
-
SEA
10h 27m
2 stops
$279United Airlines
Tue, May 19 - Sat, May 23
American Airlines Logo
5:37 am - 2:24 pm
SEA
-
CMI
6h 47m
1 stop
American Airlines Logo
7:00 am - 3:57 pm
CMI
-
SEA
10h 57m
1 stop
$348American Airlines
Tue, Feb 24 - Sat, Feb 28
American Airlines Logo
10:25 am - 9:07 pm
SEA
-
CMI
8h 42m
1 stop
American Airlines Logo
6:54 pm - 12:30 am
CMI
-
SEA
7h 36m
1 stop
$358American Airlines
Tue, May 5 - Mon, May 11
United Airlines Logo
2:23 pm - 11:49 pm
SEA
-
CMI
7h 26m
1 stop
United Airlines Logo
6:30 am - 11:38 am
CMI
-
SEA
7h 08m
1 stop
$388United Airlines
Tue, May 19 - Sat, May 23
United Airlines Logo
8:51 am - 11:49 pm
SEA
-
CMI
12h 58m
2 stops
United Airlines Logo
7:00 pm - 11:57 pm
CMI
-
SEA
6h 57m
1 stop
$394United Airlines
Tue, May 5 - Mon, May 11
American Airlines Logo
11:28 pm - 6:28 pm
SEA
-
CMI
17h 00m
1 stop
American Airlines Logo
6:58 pm - 10:14 am
CMI
-
SEA
17h 16m
1 stop
$419American Airlines
Fri, Apr 10 - Mon, Apr 13
American Airlines Logo
12:07 am - 9:21 am
SEA
-
CMI
7h 14m
1 stop
American Airlines Logo
3:47 pm - 12:24 am
CMI
-
SEA
10h 37m
1 stop
$440American Airlines
Wed, Mar 4 - Thu, Mar 12
American Airlines Logo
10:25 am - 8:57 pm
SEA
-
CMI
8h 32m
1 stop
American Airlines Logo
6:58 pm - 10:14 am
CMI
-
SEA
17h 16m
1 stop
$474American Airlines
Wed, Apr 8 - Fri, Apr 10

United Airlines flights from Seattle to Champaign

Our best United Airlines deals on Seattle to Champaign flight tickets
United Airlines
May 19
SEA2:23 pmSeattle/Tacoma Intl
7h 26m
1 stop
CMI11:49 pmChampaign University-Willard
May 23
CMI1:32 pmChampaign University-Willard
10h 27m
2 stops
SEA9:59 pmSeattle/Tacoma Intl
$274
United Airlines
May 19
SEA7:36 pmSeattle/Tacoma Intl
11h 30m
2 stops
CMI9:06 amChampaign University-Willard
May 23
CMI1:32 pmChampaign University-Willard
10h 27m
2 stops
SEA9:59 pmSeattle/Tacoma Intl
$279
United Airlines
May 19
SEA2:23 pmSeattle/Tacoma Intl
7h 26m
1 stop
CMI11:49 pmChampaign University-Willard
May 23
CMI6:30 amChampaign University-Willard
7h 08m
1 stop
SEA11:38 amSeattle/Tacoma Intl
$388

American Airlines flights from Seattle to Champaign

Our best American Airlines deals on Seattle to Champaign flight tickets
American Airlines
Mar 1
SEA12:07 amSeattle/Tacoma Intl
7h 05m
1 stop
CMI9:12 amChampaign University-Willard
Mar 9
CMI3:47 pmChampaign University-Willard
9h 26m
1 stop
SEA11:13 pmSeattle/Tacoma Intl
$269
American Airlines
Feb 24
SEA5:37 amSeattle/Tacoma Intl
6h 47m
1 stop
CMI2:24 pmChampaign University-Willard
Feb 28
CMI7:00 amChampaign University-Willard
10h 57m
1 stop
SEA3:57 pmSeattle/Tacoma Intl
$348
American Airlines
May 5
SEA10:25 amSeattle/Tacoma Intl
8h 42m
1 stop
CMI9:07 pmChampaign University-Willard
May 11
CMI6:54 pmChampaign University-Willard
7h 36m
1 stop
SEA12:30 amSeattle/Tacoma Intl
$358

momondo Fare Finder

 
Customize your flight search to find flights from Seattle 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, momondo users made 832,500 searches. Data last updated February 13, 2026.
Use the filters below to find and compare flights from Seattle to Champaign that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleChampaign

SEA - CMI

SEACMI

Seattle/Tacoma Intl

Sun 3/1

12:07 am-9:12 am

1 stop7h 05m

Champaign University-Willard

Mon 3/9

3:47 pm-11:13 pm

1 stop9h 26m

$269

SeattleChampaign

SEA - CMI

SEACMI

Seattle/Tacoma Intl

Tue 5/19

2:23 pm-11:49 pm

1 stop7h 26m

Champaign University-Willard

Sat 5/23

1:32 pm-9:59 pm

2 stops10h 27m

$274

SeattleChampaign

SEA - CMI

SEACMI

Seattle/Tacoma Intl

Tue 5/19

7:36 pm-9:06 am

2 stops11h 30m

Champaign University-Willard

Sat 5/23

1:32 pm-9:59 pm

2 stops10h 27m

$279

SeattleChampaign

SEA - CMI

SEACMI

Seattle/Tacoma Intl

Tue 2/24

5:37 am-2:24 pm

1 stop6h 47m

Champaign University-Willard

Sat 2/28

7:00 am-3:57 pm

1 stop10h 57m

$348

SeattleChampaign

SEA - CMI

SEACMI

Seattle/Tacoma Intl

Tue 5/5

10:25 am-9:07 pm

1 stop8h 42m

Champaign University-Willard

Mon 5/11

6:54 pm-12:30 am

1 stop7h 36m

$358

SeattleChampaign

SEA - CMI

SEACMI

Seattle/Tacoma Intl

Tue 5/19

2:23 pm-11:49 pm

1 stop7h 26m

Champaign University-Willard

Sat 5/23

6:30 am-11:38 am

1 stop7h 08m

$388

SeattleChampaign

SEA - CMI

SEACMI

Seattle/Tacoma Intl

Tue 5/5

8:51 am-11:49 pm

2 stops12h 58m

Champaign University-Willard

Mon 5/11

7:00 pm-11:57 pm

1 stop6h 57m

$394

SeattleChampaign

SEA - CMI

SEACMI

Seattle/Tacoma Intl

Fri 4/10

11:28 pm-6:28 pm

1 stop17h 00m

Champaign University-Willard

Mon 4/13

6:58 pm-10:14 am

1 stop17h 16m

$419

SeattleChampaign

SEA - CMI

SEACMI

Seattle/Tacoma Intl

Wed 3/4

12:07 am-9:21 am

1 stop7h 14m

Champaign University-Willard

Thu 3/12

3:47 pm-12:24 am

1 stop10h 37m

$440

SeattleChampaign

SEA - CMI

SEACMI

Seattle/Tacoma Intl

Wed 4/8

10:25 am-8:57 pm

1 stop8h 32m

Champaign University-Willard

Fri 4/10

6:58 pm-10:14 am

1 stop17h 16m

$474

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Champaign from

How to get the cheapest flight ticket from Seattle to Champaign

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

Can stopping save me money on Seattle to Champaign flights?

You could potentially save up to 40% on your flight if you consider stops on a Seattle to Champaign flight.

When to book flights from Seattle to Champaign

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

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

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

Fastest flight time

6h 07m

Direct flights

None
The fastest flight from Seattle to Champaign takes 6h 07m
There are no direct flights from Seattle to Champaign. There are no popular flight routes from Seattle to Champaign.
Search flight deals

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

    The straight-line distance from Seattle/Tacoma Intl to Champaign University-Willard is 1755.7 mi. A reasonable flight in good conditions will take 6h 07m.

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

    Prices for flights from Seattle/Tacoma Intl Airport to Champaign University-Willard Airport refresh daily.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Champaign University-Willard Airport.

  • What documentation or ID do you need to fly to Champaign University-Willard Airport?

    The necessary travel and health documents for your Champaign University-Willard Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from Seattle to Champaign

Compare and see reviews for airlines that fly from Seattle to Champaign with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $320Free CancellationRating
7.2
11,278 reviews
Search American Airlines flights

Traveling to a place near Champaign?

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

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Seattle to Champaign for you.

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

Yes. momondo enables you to select and highlight flights to Champaign from Seattle with this policy.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Champaign from Seattle.

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

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

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