Cheap flights from Seattle to Champaign (SEA - CMI)

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How to find the cheapest flight from
Seattle (SEA) to Champaign (CMI)

All the information you need to plan the best SEA to CMI flight in 2022: compare Seattle to Champaign flight prices with the expected peak season, weather and rainfall in Champaign.
What is the cheapest month to fly from Seattle to Champaign?

August is one of the best times of the year to fly to Champaign from Seattle. Prices for August average $501 per person but you can even find prices for as low as $376. The most expensive prices can be found in the month of June. Opting for a August flight can save you 61% on your journey compared to booking in August

When is the cheapest time to fly from Seattle to Champaign (SEA - CMI)?

It’s typically best to fly out from Seattle to Champaign in the afternoon. Doing so could potentially save you 28% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly round-trip from Seattle to Champaign?

Thursday is generally a great day to depart. Flying on this day could help you save up to 60%.

Cheap flights from Seattle to Champaign in January, February 2022

The best prices found for SEA to CMI flights for January, February
11 Feb - 15 Feb
$519pp
SEA
Seattle/Tacoma Intl
American Airlines
 
1 STOP
CMI
Champaign University-Willard
CMI
Champaign University-Willard
American Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
11 Feb - 15 Feb
$522pp
SEA
Seattle/Tacoma Intl
American Airlines
   
2 STOPS
CMI
Champaign University-Willard
CMI
Champaign University-Willard
American Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
10 Feb - 15 Feb
$523pp
SEA
Seattle/Tacoma Intl
American Airlines
   
2 STOPS
CMI
Champaign University-Willard
CMI
Champaign University-Willard
American Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl

Seattle/Tacoma Intl to Champaign 2022 flight deals

Cheap flights to Champaign from Seattle found for this year
1 Mar - 6 Mar
$468pp
SEA
Seattle/Tacoma Intl
American Airlines
 
1 STOP
CMI
Champaign University-Willard
CMI
Champaign University-Willard
American Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
1 Mar - 6 Mar
$478pp
SEA
Seattle/Tacoma Intl
American Airlines
 
1 STOP
CMI
Champaign University-Willard
CMI
Champaign University-Willard
American Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
11 May - 16 May
$485pp
SEA
Seattle/Tacoma Intl
American Airlines
 
1 STOP
CMI
Champaign University-Willard
CMI
Champaign University-Willard
American Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Seattle</span> to <span class="emphasized">Champaign</span> flights.

Flight FAQs

From Seattle to Champaign

Which airlines flying from Seattle/Tacoma Intl to Champaign University-Willard have flexible changes due to COVID-19?

Some of our airline partners flying from Seattle/Tacoma Intl to Champaign University-Willard have new flexible policies in place due to COVID-19. American Airlines is one of the carriers where you may find flexible change policies. You can use our site to filter for airlines like American Airlines with this kind of flexibility.

Can I find flights from Seattle to Champaign for under $500 on Cheapflights?

Yes, there are multiple flights from Seattle to Champaign for under $500. The cheapest flight booked recently is on American Airlines for just $468, but on average you can expect to pay $724.

What is the cheapest airline to fly from Seattle to Champaign round-trip?

According to our current data, American Airlines ($468), offers the cheapest pricing from Seattle to Champaign. You may be able to fly from Seattle to Champaign for 6% less than the average price by searching for this airline.

What are the cheapest flights from Seattle to Champaign?

On average you can expect to pay $567 for a flight from Seattle to Champaign. The cheapest flight overall is $193 while the most popular route, (Seattle/Tacoma Intl - Champaign University-Willard) is currently priced at $468.

COVID Restrictions

View COVID Travel Restrictions for Champaign, IL

Do I need a COVID test to fly to Champaign from Seattle?

Information is based on travel restrictions for travel to Champaign University-Willard within the United States

Most visitors from Seattle/Tacoma Intl need to provide a negative COVID-19 test result and/or quarantine to enter Champaign University-Willard.

COVID-19 testing requirements
Visitors from Seattle/Tacoma Intl must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 24 hours before departing to Champaign University-Willard.

Quarantine requirements
Visitors from Seattle/Tacoma Intl are not required to quarantine after entering Champaign University-Willard.

Do I need a test to fly back to Seattle from Champaign?

Returning to Seattle/Tacoma Intl from Champaign University-Willard

COVID-19 testing requirements
Visitors from Champaign University-Willard must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 24 hours before departing to Seattle/Tacoma Intl.

Quarantine requirements
Visitors from Champaign University-Willard are not required to quarantine after entering Seattle/Tacoma Intl.

Hide COVID Travel Restrictions for Champaign, IL

Alternative routes for Seattle to Champaign

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for Champaign

Things to know before you go - useful duration and weather info for your trip from Seattle to Champaign.
Average temperature for January in Champaign
41.0 °F
Avg rainfall for January in Champaign
2.3 ″

Airports servicing Seattle

Airports servicing Champaign

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