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 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?

As of December 2025, there is 1 operator available to choose from 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.

$204 Cheap Flights from Champaign to Seattle in 2025/26

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Find the cheapest flights from Champaign to Seattle

Round-trip

One-way

Cheap round-trip flights

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6:44 pm - 11:05 pm

CMI

SEA

6h 21m1 stop

11:51 am - 9:29 pm

SEA

CMI

7h 38m1 stop

$348American Airlines

Wed, Apr 15 - Sat, Apr 18

6:44 pm - 11:05 pm

CMI

SEA

6h 21m1 stop

5:47 am - 2:26 pm

SEA

CMI

6h 39m1 stop

$397American Airlines

Wed, Apr 15 - Sun, Apr 19

3:02 pm - 7:20 pm

CMI

SEA

6h 18m1 stop

1:31 pm - 9:34 pm

SEA

CMI

6h 03m1 stop

$570American Airlines

Fri, May 29 - Sat, Jun 6

11:33 am - 7:48 pm

CMI

SEA

10h 15m2 stops

5:47 am - 2:26 pm

SEA

CMI

6h 39m1 stop

$791American Airlines

Wed, Apr 15 - Sat, Apr 18

11:33 am - 7:48 pm

CMI

SEA

10h 15m2 stops

5:47 am - 2:26 pm

SEA

CMI

6h 39m1 stop

$840American Airlines

Wed, Apr 15 - Sun, Apr 19

3:02 pm - 12:10 am

CMI

SEA

11h 08m1 stop

1:38 am - 2:03 pm

SEA

CMI

10h 25m2 stops

$894American Airlines

Fri, May 29 - Fri, Jun 5

11:33 am - 7:48 pm

CMI

SEA

10h 15m2 stops

10:01 am - 9:29 pm

SEA

CMI

9h 28m2 stops

$911American Airlines

Wed, Apr 15 - Sat, Apr 18

3:02 pm - 10:54 pm

CMI

SEA

9h 52m2 stops

1:38 am - 2:03 pm

SEA

CMI

10h 25m2 stops

$979American Airlines

Fri, May 29 - Fri, Jun 5

7:10 pm - 10:02 am

CMI

SEA

16h 52m1 stop

12:14 am - 11:00 am

SEA

CMI

8h 46m1 stop

$1,019American Airlines

Tue, Dec 30 - Fri, Jan 2

11:33 am - 7:48 pm

CMI

SEA

10h 15m2 stops

10:01 am - 9:29 pm

SEA

CMI

9h 28m2 stops

$1,094American Airlines

Wed, Apr 15 - Sun, Apr 19

American Airlines flights from Champaign to Seattle

Our best American Airlines deals on Champaign to Seattle flight tickets

American Airlines

Apr 15

CMI6:44 pmChampaign University-Willard

6h 21m

1 stop

SEA11:05 pmSeattle/Tacoma Intl

Apr 18

SEA11:51 amSeattle/Tacoma Intl

7h 38m

1 stop

CMI9:29 pmChampaign University-Willard

$348

Find similar

American Airlines

May 29

CMI3:02 pmChampaign University-Willard

6h 18m

1 stop

SEA7:20 pmSeattle/Tacoma Intl

Jun 6

SEA1:31 pmSeattle/Tacoma Intl

6h 03m

1 stop

CMI9:34 pmChampaign University-Willard

$570

Find similar

American Airlines

Apr 15

CMI11:33 amChampaign University-Willard

10h 15m

2 stops

SEA7:48 pmSeattle/Tacoma Intl

Apr 18

SEA5:47 amSeattle/Tacoma Intl

6h 39m

1 stop

CMI2:26 pmChampaign University-Willard

$791

Find similar

Fly from

Fly to

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

ChampaignSeattle

CMI - SEA

CMISEA

Champaign University-Willard

Fri 5/29

3:02 pm-7:20 pm

1 stop6h 18m

Seattle/Tacoma Intl

Sat 6/6

1:31 pm-9:34 pm

1 stop6h 03m

$570

ChampaignSeattle

CMI - SEA

CMISEA

Champaign University-Willard

Wed 4/15

11:33 am-7:48 pm

2 stops10h 15m

Seattle/Tacoma Intl

Sat 4/18

5:47 am-2:26 pm

1 stop6h 39m

$791

ChampaignSeattle

CMI - SEA

CMISEA

Champaign University-Willard

Wed 4/15

11:33 am-7:48 pm

2 stops10h 15m

Seattle/Tacoma Intl

Sun 4/19

5:47 am-2:26 pm

1 stop6h 39m

$840

ChampaignSeattle

CMI - SEA

CMISEA

Champaign University-Willard

Fri 5/29

3:02 pm-12:10 am

1 stop11h 08m

Seattle/Tacoma Intl

Fri 6/5

1:38 am-2:03 pm

2 stops10h 25m

$894

ChampaignSeattle

CMI - SEA

CMISEA

Champaign University-Willard

Wed 4/15

11:33 am-7:48 pm

2 stops10h 15m

Seattle/Tacoma Intl

Sat 4/18

10:01 am-9:29 pm

2 stops9h 28m

$911

ChampaignSeattle

CMI - SEA

CMISEA

Champaign University-Willard

Fri 5/29

3:02 pm-10:54 pm

2 stops9h 52m

Seattle/Tacoma Intl

Fri 6/5

1:38 am-2:03 pm

2 stops10h 25m

$979

ChampaignSeattle

CMI - SEA

CMISEA

Champaign University-Willard

Tue 12/30

7:10 pm-10:02 am

1 stop16h 52m

Seattle/Tacoma Intl

Fri 1/2

12:14 am-11:00 am

1 stop8h 46m

$1,019

ChampaignSeattle

CMI - SEA

CMISEA

Champaign University-Willard

Wed 4/15

11:33 am-7:48 pm

2 stops10h 15m

Seattle/Tacoma Intl

Sun 4/19

10:01 am-9:29 pm

2 stops9h 28m

$1,094

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first

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

Prices

Airlines

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

On average, the least expensive day to fly to Seattle from Champaign is on a Saturday. momondo users have found tickets for Saturday departures for as low as $371. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Friday is the most expensive day to depart from Champaign because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $658.

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

Flying to Seattle from Champaign at noon is the least expensive time of day to depart. momondo users have found prices as low as $397 when looking at flights departing at noon. Flights to Seattle are more costly in the morning, with an average ticket price of $529. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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	6h 18m
Direct flights	None

The fastest flight from Champaign to Seattle takes 6h 18m

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 6h 18m, 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?
As of December 2025, there is 1 operator available to choose from 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?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Champaign to Seattle is American Airlines (100% of total bookings).

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 Airlines	PriceFrom $280	Free Cancellation	Rating 7.2 11,054 reviews		Search American Airlines flights

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Kent

Marysville

Puyallup

Redmond

Tukwila

Cle Elum

Federal Way

Lakewood

Fife

Centralia

Westport

Kirkland

Shoreline

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.