Title: CA $585 Cheap Flights from Seattle (SEA) to Champaign (CMI) - Expedia.ca ![](https://images.trvl-media.com/place/6023715/48596427-8aa1-4319-9fd7-beffe2d461e8.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/6023715/48596427-8aa1-4319-9fd7-beffe2d461e8.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # CA $585 Cheap Flights from Seattle (SEA) to Champaign (CMI) [View CA $585 flight on Sat, Dec 20, 2025](https://expedia.ca/Flights-Search?trip=oneway&leg1=from:SEA,to:CMI,departure:20/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:584.60&airProductToken=AQpkCjAIwYIBEgQyNDQyGJIBIK4cKM2ZgAMwtpuAAzhHQABYAWoETUFJTnIIRzBBV1VOTjEKMAjBggESBDM2NDYYrhwggkMonJ2AAzDcnYADOEdAAVgBagRNQUlOcghHMEFXVU5OMRIKCAEQARgBKgJBQRgBIgQIARABKAIoAygEMAs) - [Roundtrip](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from Seattle-Tacoma International Airport (SEA) to Champaign, IL (CMI-University Of Illinois Urbana-Champaign Williard) - ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:sea,to:cmi,departure:19/11/2025TANYT&leg2=from:cmi,to:sea,departure:26/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![notification illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* - ![deals illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 30% on select hotels after you book a flight\* - ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.ca/login) ## Cheap flights from Seattle (SEA) to Champaign (CMI) Prices were available within the past 7 days and start at CA $585 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ## Find the cheapest month to fly from Seattle (SEA) to Champaign (CMI) ### January is typically the cheapest month to fly From CA $291 - CA $1,087 per traveller. Flight from Seattle to Champaign (SEA - CMI) route information | Origin airport | Seattle - Tacoma Intl. | | --- | --- | | Destination airport | University Of Illinois Urbana-Champaign Williard | | Distance | 2813 km | ## Seattle to Savoy Flights **The easy way to book your flights from Seattle to Champaign**  With Expedia, it’s simple to find and book flights to Champaign from Seattle whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 16 airlines that cover this route. There are nonstop flights to University Of Illinois Urbana-Champaign Williard, too.   Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Seattle to Champaign today, tomorrow, or this week.   **Save dollars with cheap flights from Seattle - Tacoma Intl., SEA to University Of Illinois Urbana-Champaign Williard, CMI**  Sort your search results by price to find great deals on your flight from Seattle to Champaign—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Champaign from Seattle currently is just rising to .   Here are more money-saving tips:  - Fly in when flight prices are normally at their lowest  - Book about a month to 6 weeks before you travel for the best prices to Champaign   - Avoid peak season and weekends when flights can cost more - Early morning and late-night flights are sometimes cheaper, so try varying your travel times  - One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free!  **Reasons to choose Expedia for your flight to Champaign from Seattle**  Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Champaign with Expedia today. ## Frequently asked questions ### How much is a flight from Sea-Tac Airport to CMI? > The lowest price advertised for a round-trip journey from SEA to University Of Illinois Urbana-Champaign Williard Airport (CMI) is . But you better act quick. This price is based on fares offered within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from Seattle - Tacoma Intl. Airport (SEA) to CMI? > We understand that things come up unexpectedly, so we've made it as easy as possible for you to cancel your trip online. Just head to the [Customer Service Portal](https://www.expedia.ca/helpcenter) and follow the instructions. ### How do I find cheap flights from SEA to University Of Illinois Urbana-Champaign Williard Airport (CMI) that have flexible change policies? > Many airlines will allow you to move your flight at no extra charge. All you pay is the difference in the ticket price. When searching for Seattle - Tacoma Intl. Airport (SEA) to CMI flights, you'll find a "No change fees" filter for you to tick. ### How many hours is the flight from Sea-Tac Airport to Willard Airport? > You may like to bring your own entertainment (like some downloaded TV shows), as it takes roughly 5 hours and 32 minutes to touch down in CMI from Sea-Tac Airport. A pair of noise-cancelling headphones will also be useful. ### How far is the flight from Sea-Tac Airport to Willard Airport? > It's around 2,800 kilometres between Sea-Tac Airport and Willard Airport, so expect to be in your seat for a while. Keep yourself entertained with things like crossword puzzles or a good old-fashioned book. ### Which airlines fly direct from SEA to University Of Illinois Urbana-Champaign Williard Airport (CMI)? > You won't find any airlines flying directly between Sea-Tac Airport and CMI, so be prepared to make at least one stop on your journey. A layover, whether short or long, can be a nice way to break up a trip! ### Are Sea-Tac Airport to Willard Airport flight tickets cheaper when they're purchased at the last minute? > Booking last minute from Sea-Tac Airport to University Of Illinois Urbana-Champaign Williard Airport (CMI) can be hit-or-miss. You may be able to find a bargain, but then again, you could miss out entirely! If you'd prefer to play it safe and start your trip planning early on, Expedia compares flight deals up to a year in advance. Just remember that not all airlines release their prices so far in advance. Our advice? Check back often as updates are made regularly. ## Explore a world of travel with Expedia - Lodging - Flights - Packages - Cars ### Lodging - [Casino Hotels in Campustown](https://www.expedia.ca/Campustown-Champaign-Hotels-Casino-Hotel.0-n904099970127286272-0-tCasinoHotel.Travel-Guide-Filter-Hotels) - [Hotels & Resorts for Couples in Campustown](https://www.expedia.ca/Campustown-Champaign-Hotels-Couples-Resorts-Hotels.0-n904099970127286272-0-tCouplesResortsHotels.Travel-Guide-Filter-Hotels) - [Hotels with Wifi in Campustown](https://www.expedia.ca/Campustown-Champaign-Hotels-Hotel-With-Wifi.0-n904099970127286272-0-tHotelwithwifi.Travel-Guide-Filter-Hotels) - [Lgbt Friendly Hotels in Champaign](https://www.expedia.ca/Champaign-Hotels-LGBT-Friendly-Hotel.0-0-d6023715-tLGBTFriendlyHotel.Travel-Guide-Filter-Hotels) - [Champaign Hotels](https://www.expedia.ca/Champaign-Hotels.d6023715.Travel-Guide-Hotels) - [Pet-Friendly Hotels in Champaign Northwest](https://www.expedia.ca/Champaign-Northwest-Champaign-Hotels-Pet-Friendly-Hotel.0-n904293111608729600-0-tPetfriendlyHotel.Travel-Guide-Filter-Hotels) - 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