Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Seattle to Champaign from $348

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 12/12. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Seattle to Champaign

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
5:18 am - 2:36 pmSEA-CMI
7h 18m1 stop
American Airlines Logo
6:52 am - 2:55 pmCMI-SEA
10h 03m1 stop
$348American Airlines
Find Deal
Fri, Dec 12 - Sun, Dec 14
American Airlines Logo
12:38 am - 10:51 amSEA-CMI
8h 13m1 stop
American Airlines Logo
6:06 am - 1:55 pmCMI-SEA
9h 49m1 stop
$428American Airlines
Find Deal
Thu, Dec 11 - Sun, Dec 14
American Airlines Logo
12:38 am - 10:51 amSEA-CMI
8h 13m1 stop
American Airlines Logo
2:57 pm - 9:11 pmCMI-SEA
8h 14m1 stop
$441American Airlines
Find Deal
Wed, Dec 10 - Thu, Jan 1
American Airlines Logo
12:14 am - 6:40 pmSEA-CMI
16h 26m1 stop
American Airlines Logo
7:10 pm - 10:02 amCMI-SEA
16h 52m1 stop
$543American Airlines
Find Deal
Mon, Dec 29 - Sun, Jan 4
American Airlines Logo
12:14 am - 6:40 pmSEA-CMI
16h 26m1 stop
American Airlines Logo
7:10 pm - 10:02 amCMI-SEA
16h 52m1 stop
$554American Airlines
Find Deal
Mon, Dec 29 - Sun, Jan 4
American Airlines Logo
2:52 pm - 11:00 amSEA-CMI
18h 08m1 stop
American Airlines Logo
7:10 pm - 10:02 amCMI-SEA
16h 52m1 stop
$579American Airlines
Find Deal
Tue, Dec 30 - Sun, Jan 4
American Airlines Logo
12:14 am - 6:40 pmSEA-CMI
16h 26m1 stop
American Airlines Logo
7:10 pm - 10:02 amCMI-SEA
16h 52m1 stop
$586American Airlines
Find Deal
Sun, Dec 28 - Sun, Jan 4
American Airlines Logo
2:52 pm - 11:00 amSEA-CMI
18h 08m1 stop
American Airlines Logo
7:10 pm - 10:02 amCMI-SEA
16h 52m1 stop
$599American Airlines
Find Deal
Tue, Dec 30 - Sun, Jan 4
American Airlines Logo
12:14 am - 11:00 amSEA-CMI
8h 46m1 stop
American Airlines Logo
3:13 pm - 11:08 pmCMI-SEA
9h 55m1 stop
$608American Airlines
Find Deal
Sun, Dec 28 - Sat, Jan 3
American Airlines Logo
12:14 am - 6:40 pmSEA-CMI
16h 26m1 stop
American Airlines Logo
11:29 am - 11:13 pmCMI-SEA
13h 44m1 stop
$626American Airlines
Find Deal
Sun, Dec 28 - Sun, Jan 4

American Airlines flights from Seattle to Champaign

Our best American Airlines deals on Seattle to Champaign flight tickets
American Airlines
Dec 12
SEA5:18 amSeattle/Tacoma Intl
7h 18m
1 stop
CMI2:36 pmChampaign University-Willard
Dec 14
CMI6:52 amChampaign University-Willard
10h 03m
1 stop
SEA2:55 pmSeattle/Tacoma Intl
$348
Find similar
American Airlines
Dec 11
SEA12:38 amSeattle/Tacoma Intl
8h 13m
1 stop
CMI10:51 amChampaign University-Willard
Dec 14
CMI6:06 amChampaign University-Willard
9h 49m
1 stop
SEA1:55 pmSeattle/Tacoma Intl
$428
Find similar
American Airlines
Dec 10
SEA12:38 amSeattle/Tacoma Intl
8h 13m
1 stop
CMI10:51 amChampaign University-Willard
Jan 1
CMI2:57 pmChampaign University-Willard
8h 14m
1 stop
SEA9:11 pmSeattle/Tacoma Intl
$441
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 November 4, 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

Fri 12/12

5:18 am-2:36 pm

1 stop7h 18m

Champaign University-Willard

Sun 12/14

6:52 am-2:55 pm

1 stop10h 03m

$348

SeattleChampaign

SEA - CMI

SEACMI

Seattle/Tacoma Intl

Thu 12/11

12:38 am-10:51 am

1 stop8h 13m

Champaign University-Willard

Sun 12/14

6:06 am-1:55 pm

1 stop9h 49m

$428

SeattleChampaign

SEA - CMI

SEACMI

Seattle/Tacoma Intl

Wed 12/10

12:38 am-10:51 am

1 stop8h 13m

Champaign University-Willard

Thu 1/1

2:57 pm-9:11 pm

1 stop8h 14m

$441

SeattleChampaign

SEA - CMI

SEACMI

Seattle/Tacoma Intl

Mon 12/29

12:14 am-6:40 pm

1 stop16h 26m

Champaign University-Willard

Sun 1/4

7:10 pm-10:02 am

1 stop16h 52m

$543

SeattleChampaign

SEA - CMI

SEACMI

Seattle/Tacoma Intl

Mon 12/29

12:14 am-6:40 pm

1 stop16h 26m

Champaign University-Willard

Sun 1/4

7:10 pm-10:02 am

1 stop16h 52m

$554

SeattleChampaign

SEA - CMI

SEACMI

Seattle/Tacoma Intl

Tue 12/30

2:52 pm-11:00 am

1 stop18h 08m

Champaign University-Willard

Sun 1/4

7:10 pm-10:02 am

1 stop16h 52m

$579

SeattleChampaign

SEA - CMI

SEACMI

Seattle/Tacoma Intl

Sun 12/28

12:14 am-6:40 pm

1 stop16h 26m

Champaign University-Willard

Sun 1/4

7:10 pm-10:02 am

1 stop16h 52m

$586

SeattleChampaign

SEA - CMI

SEACMI

Seattle/Tacoma Intl

Tue 12/30

2:52 pm-11:00 am

1 stop18h 08m

Champaign University-Willard

Sun 1/4

7:10 pm-10:02 am

1 stop16h 52m

$599

SeattleChampaign

SEA - CMI

SEACMI

Seattle/Tacoma Intl

Sun 12/28

12:14 am-11:00 am

1 stop8h 46m

Champaign University-Willard

Sat 1/3

3:13 pm-11:08 pm

1 stop9h 55m

$608

SeattleChampaign

SEA - CMI

SEACMI

Seattle/Tacoma Intl

Sun 12/28

12:14 am-6:40 pm

1 stop16h 26m

Champaign University-Willard

Sun 1/4

11:29 am-11:13 pm

1 stop13h 44m

$626

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

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

Direct flights

None
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 5h 58m.

  • 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
11,040 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.

An easier way to manage your Champaign trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 12/4
Thu 12/11
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States