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Cheap flights from Seattle to Champaign from $306

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 10/9. 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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Cheap round-trip flights

American Airlines Logo
6:10 am - 3:49 pmSEA-CMI
7h 39m1 stop
American Airlines Logo
7:01 pm - 12:27 amCMI-SEA
7h 26m1 stop
$306American Airlines
Find Deal
Thu, Oct 9 - Tue, Oct 14
American Airlines Logo
5:25 am - 3:16 pmSEA-CMI
7h 51m1 stop
American Airlines Logo
6:40 am - 2:15 pmCMI-SEA
9h 35m1 stop
$375American Airlines
Find Deal
Wed, Aug 13 - Sun, Aug 17
American Airlines Logo
12:34 am - 10:43 amSEA-CMI
8h 09m1 stop
American Airlines Logo
7:01 pm - 12:27 amCMI-SEA
7h 26m1 stop
$429American Airlines
Find Deal
Wed, Oct 8 - Tue, Oct 14
American Airlines Logo
12:46 am - 10:55 amSEA-CMI
8h 09m1 stop
American Airlines Logo
6:40 am - 2:15 pmCMI-SEA
9h 35m1 stop
$458American Airlines
Find Deal
Tue, Aug 12 - Sun, Aug 17
American Airlines Logo
11:20 pm - 10:43 amSEA-CMI
9h 23m2 stops
American Airlines Logo
4:19 pm - 12:27 amCMI-SEA
10h 08m1 stop
$800American Airlines
Find Deal
Thu, Oct 9 - Tue, Oct 14
American Airlines Logo
5:25 am - 3:16 pmSEA-CMI
7h 51m1 stop
American Airlines Logo
6:00 am - 2:01 pmCMI-SEA
10h 01m2 stops
$881American Airlines
Find Deal
Wed, Aug 13 - Sun, Aug 17
American Airlines Logo
12:46 am - 10:55 amSEA-CMI
8h 09m1 stop
American Airlines Logo
6:00 am - 2:01 pmCMI-SEA
10h 01m2 stops
$924American Airlines
Find Deal
Tue, Aug 12 - Sun, Aug 17
American Airlines Logo
12:34 am - 3:49 pmSEA-CMI
13h 15m1 stop
American Airlines Logo
11:13 am - 7:27 pmCMI-SEA
10h 14m2 stops
$1,055American Airlines
Find Deal
Wed, Oct 8 - Tue, Oct 14
American Airlines Logo
11:20 pm - 10:43 amSEA-CMI
9h 23m2 stops
American Airlines Logo
11:13 am - 5:10 pmCMI-SEA
7h 57m2 stops
$2,008American Airlines
Find Deal
Thu, Oct 9 - Tue, Oct 14

American Airlines flights from Seattle to Champaign

Our best American Airlines deals on Seattle to Champaign flight tickets
American Airlines
Oct 9
SEA6:10 amSeattle/Tacoma Intl
7h 39m
1 stop
CMI3:49 pmChampaign University-Willard
Oct 14
CMI7:01 pmChampaign University-Willard
7h 26m
1 stop
SEA12:27 amSeattle/Tacoma Intl
$306
Find similar
American Airlines
Aug 13
SEA5:25 amSeattle/Tacoma Intl
7h 51m
1 stop
CMI3:16 pmChampaign University-Willard
Aug 17
CMI6:40 amChampaign University-Willard
9h 35m
1 stop
SEA2:15 pmSeattle/Tacoma Intl
$375
Find similar
American Airlines
Oct 8
SEA12:34 amSeattle/Tacoma Intl
8h 09m
1 stop
CMI10:43 amChampaign University-Willard
Oct 14
CMI7:01 pmChampaign University-Willard
7h 26m
1 stop
SEA12:27 amSeattle/Tacoma Intl
$429
Find similar

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 July 30, 2025.
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

Thu 10/9

6:10 am-3:49 pm

1 stop7h 39m

Champaign University-Willard

Tue 10/14

7:01 pm-12:27 am

1 stop7h 26m

$306

SeattleChampaign

SEA - CMI

SEACMI

Seattle/Tacoma Intl

Wed 8/13

5:25 am-3:16 pm

1 stop7h 51m

Champaign University-Willard

Sun 8/17

6:40 am-2:15 pm

1 stop9h 35m

$375

SeattleChampaign

SEA - CMI

SEACMI

Seattle/Tacoma Intl

Wed 10/8

12:34 am-10:43 am

1 stop8h 09m

Champaign University-Willard

Tue 10/14

7:01 pm-12:27 am

1 stop7h 26m

$429

SeattleChampaign

SEA - CMI

SEACMI

Seattle/Tacoma Intl

Tue 8/12

12:46 am-10:55 am

1 stop8h 09m

Champaign University-Willard

Sun 8/17

6:40 am-2:15 pm

1 stop9h 35m

$458

SeattleChampaign

SEA - CMI

SEACMI

Seattle/Tacoma Intl

Thu 10/9

11:20 pm-10:43 am

2 stops9h 23m

Champaign University-Willard

Tue 10/14

4:19 pm-12:27 am

1 stop10h 08m

$800

SeattleChampaign

SEA - CMI

SEACMI

Seattle/Tacoma Intl

Wed 8/13

5:25 am-3:16 pm

1 stop7h 51m

Champaign University-Willard

Sun 8/17

6:00 am-2:01 pm

2 stops10h 01m

$881

SeattleChampaign

SEA - CMI

SEACMI

Seattle/Tacoma Intl

Tue 8/12

12:46 am-10:55 am

1 stop8h 09m

Champaign University-Willard

Sun 8/17

6:00 am-2:01 pm

2 stops10h 01m

$924

SeattleChampaign

SEA - CMI

SEACMI

Seattle/Tacoma Intl

Wed 10/8

12:34 am-3:49 pm

1 stop13h 15m

Champaign University-Willard

Tue 10/14

11:13 am-7:27 pm

2 stops10h 14m

$1,055

SeattleChampaign

SEA - CMI

SEACMI

Seattle/Tacoma Intl

Thu 10/9

11:20 pm-10:43 am

2 stops9h 23m

Champaign University-Willard

Tue 10/14

11:13 am-5:10 pm

2 stops7h 57m

$2,008

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

What is the cheapest day to depart on your flight to Champaign?

Our data shows that Thursday is the least expensive day to fly to Champaign. Tickets to fly out on this day can be as low as $445. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around $674. These prices are subject to change though, so be sure to set up a Price Alert for flights to Champaign.

What is the cheapest time of day to depart on your flight to Champaign?

Our most recent data shows that the best time of day to fly to Champaign is in the evening. Flights from Seattle to Champaign during this time can be as low as $499. In contrast, the most expensive time of day to depart to Champaign is at noon when prices are around $636.

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

Best Price Found

$306

Fastest flight time

7h 39m

Direct flights

None

Airports in Champaign

1 airport
The best flight deal from Seattle to Champaign found on momondo in the last 72 hours is $306
The fastest flight from Seattle to Champaign takes 7h 39m
There are no direct flights from Seattle to Champaign. Popular non-direct route for this connection is Seattle/Tacoma Intl Airport - Champaign University-Willard Airport.
There is 1 airport near Champaign: Champaign University-Willard (CMI)
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 7h 39m.

  • 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 $220Free CancellationRating
7.2
10,000 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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