$516+ Cheap flights from Seattle to Champaign (SEA - CMI)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CMI
Nov 24 — Dec 11
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Champaign with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Seattle to Champaign
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Cheapest flights from Seattle to ChampaignExplore the most affordable flight options available from Seattle to Champaign. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 25, 2026.
Explore the most affordable flight options available from Seattle to Champaign. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 25, 2026.
This American Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/45:10 am -
1 stop6h 52m
Sat 11/73:21 pm -
1 stop6h 58m
Deal found 10/21![American Airlines logo]()
$516
This American Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1012:37 pm -
1 stop7h 27m
Thu 12/172:39 pm -
1 stop10h 30m
Deal found 10/21![American Airlines logo]()
$542
This American Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/612:47 pm -
1 stop7h 15m
Tue 11/1012:13 pm -
1 stop10h 07m
Deal found 10/21![American Airlines logo]()
$570
This American Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1412:47 pm -
1 stop7h 15m
Sat 11/217:01 pm -
1 stop7h 41m
Deal found 10/21![American Airlines logo]()
$604
This American Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3010:31 am -
1 stop7h 54m
Mon 11/26:59 pm -
1 stop7h 36m
Deal found 10/22![American Airlines logo]()
$624
This American Airlines deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2311:59 pm -
1 stop8h 56m
Tue 12/296:43 pm -
1 stop6h 59m
Deal found 10/24![American Airlines logo]()
$629
This American Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/35:10 am -
1 stop6h 52m
Sat 11/76:50 pm -
1 stop7h 45m
Deal found 10/21![American Airlines logo]()
$636
This American Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1410:46 am -
1 stop7h 35m
Mon 11/2312:14 pm -
1 stop10h 07m
Deal found 10/21![American Airlines logo]()
$649
This American Airlines deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2311:59 pm -
1 stop8h 56m
Wed 12/302:39 pm -
1 stop7h 43m
Deal found 10/24![American Airlines logo]()
$655
This American Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1312:47 pm -
1 stop7h 15m
Wed 11/257:01 pm -
1 stop7h 41m
Deal found 10/21![American Airlines logo]()
$658
This American Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/155:10 am -
1 stop6h 52m
Tue 11/247:01 pm -
1 stop7h 41m
Deal found 10/21![American Airlines logo]()
$681
This American Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/25:10 am -
1 stop6h 52m
Tue 11/106:08 am -
1 stop10h 12m
Deal found 10/21![American Airlines logo]()
$690
Best flights from Seattle to ChampaignDiscover carefully curated flight deals from Seattle to Champaign that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.
Discover carefully curated flight deals from Seattle to Champaign that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.
This American Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1010:51 am -
1 stop7h 34m
Thu 12/176:43 pm -
1 stop6h 59m
Deal found 10/25![American Airlines logo]()
$542
This American Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/15:10 am -
1 stop6h 52m
Sat 11/72:32 pm -
1 stop9h 39m
Deal found 10/21![American Airlines logo]()
$690
This American Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/305:00 am -
1 stop7h 07m
Tue 11/36:50 pm -
1 stop7h 45m
Deal found 10/22![American Airlines logo]()
$690
This American Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3111:17 am -
1 stop7h 08m
Sun 11/16:59 pm -
1 stop7h 36m
Deal found 10/22![American Airlines logo]()
$690
This American Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/510:43 am -
1 stop7h 38m
Wed 11/112:32 pm -
1 stop9h 39m
Deal found 10/23![American Airlines logo]()
$714
This American Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/305:00 am -
1 stop7h 07m
Sun 11/16:59 pm -
1 stop7h 36m
Deal found 10/22![American Airlines logo]()
$744
This American Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/35:10 am -
1 stop6h 52m
Fri 11/136:50 pm -
2 stops16h 46m
Deal found 10/21![American Airlines logo]()
$808
This American Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3111:17 am -
1 stop7h 08m
Thu 11/126:50 pm -
2 stops21h 01m
Deal found 10/21![American Airlines logo]()
$840
This American Airlines deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2212:47 am -
2 stops15h 23m
Wed 12/302:39 pm -
1 stop7h 43m
Deal found 10/24![American Airlines logo]()
$905
Last-minute flights from Seattle to ChampaignDiscover last-minute flight deals from Seattle to Champaign. Data last updated October 25, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Champaign. Data last updated October 25, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3010:31 am -
1 stop7h 54m
Mon 11/26:59 pm -
1 stop7h 36m
Deal found 10/22![American Airlines logo]()
$624
This American Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/210:27 am -
1 stop9h 35m
Sat 11/72:32 pm -
1 stop9h 39m
Deal found 10/21![American Airlines logo]()
$690
This American Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/35:10 am -
1 stop6h 52m
Wed 11/117:11 am -
1 stop8h 04m
Deal found 10/21![American Airlines logo]()
$636
This American Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/45:10 am -
1 stop6h 52m
Sat 11/73:21 pm -
1 stop6h 58m
Deal found 10/21![American Airlines logo]()
$516
This American Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/510:43 am -
1 stop7h 38m
Wed 11/112:32 pm -
1 stop9h 39m
Deal found 10/23![American Airlines logo]()
$714
This American Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/612:47 pm -
1 stop7h 15m
Tue 11/1012:13 pm -
1 stop10h 07m
Deal found 10/21![American Airlines logo]()
$570
This American Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1312:47 pm -
1 stop7h 15m
Wed 11/257:01 pm -
1 stop7h 41m
Deal found 10/21![American Airlines logo]()
$658
This American Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1312:47 pm -
1 stop7h 15m
Sun 11/227:01 pm -
1 stop7h 41m
Deal found 10/21![American Airlines logo]()
$703
This American Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1412:47 pm -
1 stop7h 15m
Sat 11/217:01 pm -
1 stop7h 41m
Deal found 10/21![American Airlines logo]()
$604
This American Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1410:46 am -
1 stop7h 35m
Thu 11/267:11 am -
1 stop8h 12m
Deal found 10/21![American Airlines logo]()
$649
This American Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/155:10 am -
1 stop6h 52m
Wed 11/257:01 pm -
1 stop7h 41m
Deal found 10/21![American Airlines logo]()
$681
This American Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/155:10 am -
1 stop6h 52m
Thu 11/267:11 am -
1 stop8h 12m
Deal found 10/21![American Airlines logo]()
$726
Find flight deals from Seattle to Champaign
Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Champaign (CMI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $516 (American Airlines) |
Popular in | May |
Cheapest in | March |
Average price | $732 |
Cheapflights 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, Cheapflights users made 7,457,451 searches. Data last updated October 25, 2026.
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
Cheapest round-trip
Quickest round-trip
SeattleChampaign
SEA Seattle/Tacoma Intl - CMI Champaign University-Willard
SEACMI
Seattle/Tacoma Intl
Thu 12/10
10:51 am-8:25 pm
1 stop7h 34m
Champaign University-Willard
Thu 12/17
6:43 pm-11:42 pm
1 stop6h 59m
$542
SeattleChampaign
SEA Seattle/Tacoma Intl - CMI Champaign University-Willard
SEACMI
Seattle/Tacoma Intl
Sun 11/1
5:10 am-2:02 pm
1 stop6h 52m
Champaign University-Willard
Sat 11/7
2:32 pm-10:11 pm
1 stop9h 39m
$690
SeattleChampaign
SEA Seattle/Tacoma Intl - CMI Champaign University-Willard
SEACMI
Seattle/Tacoma Intl
Fri 10/30
5:00 am-2:07 pm
1 stop7h 07m
Champaign University-Willard
Tue 11/3
6:50 pm-12:35 am
1 stop7h 45m
$690
SeattleChampaign
SEA Seattle/Tacoma Intl - CMI Champaign University-Willard
SEACMI
Seattle/Tacoma Intl
Sat 10/31
11:17 am-8:25 pm
1 stop7h 08m
Champaign University-Willard
Sun 11/1
6:59 pm-12:35 am
1 stop7h 36m
$690
SeattleChampaign
SEA Seattle/Tacoma Intl - CMI Champaign University-Willard
SEACMI
Seattle/Tacoma Intl
Thu 11/5
10:43 am-8:21 pm
1 stop7h 38m
Champaign University-Willard
Wed 11/11
2:32 pm-10:11 pm
1 stop9h 39m
$714
SeattleChampaign
SEA Seattle/Tacoma Intl - CMI Champaign University-Willard
SEACMI
Seattle/Tacoma Intl
Fri 10/30
5:00 am-2:07 pm
1 stop7h 07m
Champaign University-Willard
Sun 11/1
6:59 pm-12:35 am
1 stop7h 36m
$744
SeattleChampaign
SEA Seattle/Tacoma Intl - CMI Champaign University-Willard
SEACMI
Seattle/Tacoma Intl
Tue 11/3
5:10 am-2:02 pm
1 stop6h 52m
Champaign University-Willard
Fri 11/13
6:50 pm-9:36 am
2 stops16h 46m
$808
SeattleChampaign
SEA Seattle/Tacoma Intl - CMI Champaign University-Willard
SEACMI
Seattle/Tacoma Intl
Sat 10/31
11:17 am-8:25 pm
1 stop7h 08m
Champaign University-Willard
Thu 11/12
6:50 pm-1:51 pm
2 stops21h 01m
$840
SeattleChampaign
SEA Seattle/Tacoma Intl - CMI Champaign University-Willard
SEACMI
Seattle/Tacoma Intl
Tue 12/22
12:47 am-6:10 pm
2 stops15h 23m
Champaign University-Willard
Wed 12/30
2:39 pm-8:22 pm
1 stop7h 43m
$905
Sorted by cheapest first
Compare providers for flights from Seattle to Champaign
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Champaign in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Seattle-Champaign flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Champaign flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Champaign flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Seattle-Champaign flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Champaign flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Seattle to Champaign
Have a flexible travel schedule? Discover the best time to fly to Champaign from Seattle with our price prediction graph.
SEA-CMI
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Reviews of airlines servicing Champaign
Get insights into the airlines that provide service to Champaign. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Champaign. Reviews last updated October 25, 2026.
Get a feel of what it's like to fly with American Airlines from Seattle to Champaign by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.0
Boarding
7.4
Entertainment
6.8
Comfort
7.1
Crew
7.9
Food
6.4
Reviews
1 / 20
2.0
MediocreAnonymous,Aug 2025
BNA - ORD
Overall
7.0
Boarding
7.4
Entertainment
6.8
Comfort
7.1
Crew
7.9
Food
6.4
Reviews
1 / 20
2.0
MediocreAnonymous,Aug 2025
BNA - ORD
Related info for your journey
Find useful and relevant information for your journey from Seattle to Champaign. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Champaign?
Book flights to Champaign if you plan to visit one of these locationsUrbana
Danville
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Seattle and Champaign flights
Browse other Seattle and Champaign flight options. Last updated on October 25, 2026.
Other flights from Seattle
Browse through other flights departing from Seattle. Flights are based on user searches made on Cheapflights and were last updated on October 25, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Seattle to Champaign
Discover the top airline that operate flights from Seattle to Champaign. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$368 | Average$569 | FlexibilityNo cancel fee | On-time71% |