$589+ Cheap flights from Champaign to Knoxville (CMI - TYS)
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 10/4. Fares are subject to change and may not be available on all flights or dates of travel.
CMI — TYS
Oct 8 — Oct 151
Round-trip
1 adult, Economy
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Find cheap flights from Champaign to Knoxville 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 Champaign to Knoxville
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Best
Last-minute
Cheapest flights from Champaign to KnoxvilleExplore the most affordable flight options available from Champaign to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 8, 2026.
Explore the most affordable flight options available from Champaign to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 8, 2026.
This American Airlines deal was found by Cheapflights users on 9/4. 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 10/42:41 pm -
1 stop7h 41m
Sat 10/104:38 pm -
1 stop4h 47m
Deal found 9/4![American Airlines logo]()
$589
This American Airlines deal was found by Cheapflights users on 9/8. 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 10/21:23 pm -
1 stop5h 20m
Mon 10/57:24 am -
1 stop5h 44m
Deal found 9/8![American Airlines logo]()
$610
This American Airlines deal was found by Cheapflights users on 9/5. 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 9/172:41 pm -
1 stop7h 41m
Sat 9/191:22 pm -
1 stop5h 48m
Deal found 9/5![American Airlines logo]()
$634
This American Airlines deal was found by Cheapflights users on 9/5. 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 9/211:23 pm -
1 stop5h 20m
Fri 9/258:15 pm -
1 stop17h 37m
Deal found 9/5![American Airlines logo]()
$918
This American Airlines deal was found by Cheapflights users on 9/4. 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 10/12:41 pm -
1 stop7h 41m
Sun 10/47:00 am -
2 stops6h 52m
Deal found 9/4![American Airlines logo]()
$924
Best flights from Champaign to KnoxvilleDiscover carefully curated flight deals from Champaign to Knoxville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 8, 2026.
Discover carefully curated flight deals from Champaign to Knoxville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 8, 2026.
This American Airlines deal was found by Cheapflights users on 9/4. 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 10/42:41 pm -
1 stop7h 41m
Sat 10/104:38 pm -
1 stop4h 47m
Deal found 9/4![American Airlines logo]()
$589
This American Airlines deal was found by Cheapflights users on 9/8. 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 10/21:23 pm -
1 stop5h 20m
Mon 10/57:24 am -
1 stop5h 44m
Deal found 9/8![American Airlines logo]()
$610
This American Airlines deal was found by Cheapflights users on 9/4. 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 10/12:41 pm -
1 stop7h 41m
Sun 10/47:00 am -
2 stops6h 52m
Deal found 9/4![American Airlines logo]()
$924
This American Airlines deal was found by Cheapflights users on 9/5. 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 9/217:16 am -
1 stop5h 37m
Fri 9/2512:09 pm -
2 stops7h 01m
Deal found 9/5![American Airlines logo]()
$984
This American Airlines deal was found by Cheapflights users on 9/8. 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 9/236:00 am -
2 stops6h 33m
Sun 9/278:56 am -
2 stops10h 14m
Deal found 9/8![American Airlines logo]()
$1,274
Last-minute flights from Champaign to KnoxvilleDiscover last-minute flight deals from Champaign to Knoxville. Data last updated September 8, 2026 and is based on user searches.
Discover last-minute flight deals from Champaign to Knoxville. Data last updated September 8, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/5. 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 9/172:41 pm -
1 stop7h 41m
Sat 9/191:22 pm -
1 stop5h 48m
Deal found 9/5![American Airlines logo]()
$634
This American Airlines deal was found by Cheapflights users on 9/5. 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 9/211:23 pm -
1 stop5h 20m
Fri 9/258:15 pm -
1 stop17h 37m
Deal found 9/5![American Airlines logo]()
$918
This American Airlines deal was found by Cheapflights users on 9/4. 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 10/12:41 pm -
1 stop7h 41m
Sun 10/47:00 am -
2 stops6h 52m
Deal found 9/4![American Airlines logo]()
$924
This American Airlines deal was found by Cheapflights users on 9/8. 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 10/21:23 pm -
1 stop5h 20m
Mon 10/57:24 am -
1 stop5h 44m
Deal found 9/8![American Airlines logo]()
$610
This American Airlines deal was found by Cheapflights users on 9/4. 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 10/42:41 pm -
1 stop7h 41m
Sat 10/104:38 pm -
1 stop4h 47m
Deal found 9/4![American Airlines logo]()
$589
Find flight deals from Champaign to Knoxville
Discover tips and strategies to find the most affordable flight options for your journey from Champaign (CMI) to Knoxville (TYS). 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 September 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $589 (American Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Champaign to Knoxville 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 September 8, 2026.
Use the filters below to find and compare flights from Champaign to Knoxville that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChampaignKnoxville
CMI Champaign University-Willard - TYS Knoxville McGhee Tyson
CMITYS
Champaign University-Willard
Sun 10/4
2:41 pm-11:22 pm
1 stop7h 41m
Knoxville McGhee Tyson
Sat 10/10
4:38 pm-8:25 pm
1 stop4h 47m
$589
Quickest round-trip
ChampaignKnoxville
CMI Champaign University-Willard - TYS Knoxville McGhee Tyson
CMITYS
Champaign University-Willard
Fri 10/2
1:23 pm-7:43 pm
1 stop5h 20m
Knoxville McGhee Tyson
Mon 10/5
7:24 am-12:08 pm
1 stop5h 44m
$610
ChampaignKnoxville
CMI Champaign University-Willard - TYS Knoxville McGhee Tyson
CMITYS
Champaign University-Willard
Thu 10/1
2:41 pm-11:22 pm
1 stop7h 41m
Knoxville McGhee Tyson
Sun 10/4
7:00 am-12:52 pm
2 stops6h 52m
$924
ChampaignKnoxville
CMI Champaign University-Willard - TYS Knoxville McGhee Tyson
CMITYS
Champaign University-Willard
Mon 9/21
7:16 am-1:53 pm
1 stop5h 37m
Knoxville McGhee Tyson
Fri 9/25
12:09 pm-6:10 pm
2 stops7h 01m
$984
ChampaignKnoxville
CMI Champaign University-Willard - TYS Knoxville McGhee Tyson
CMITYS
Champaign University-Willard
Wed 9/23
6:00 am-1:33 pm
2 stops6h 33m
Knoxville McGhee Tyson
Sun 9/27
8:56 am-6:10 pm
2 stops10h 14m
$1,274
Sorted by cheapest first
Compare providers for flights from Champaign to Knoxville
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 Champaign to Knoxville in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Champaign-Knoxville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Champaign-Knoxville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Champaign-Knoxville flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Champaign-Knoxville 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 Champaign-Knoxville 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 Champaign to Knoxville
Have a flexible travel schedule? Discover the best time to fly to Knoxville from Champaign with our price prediction graph.
CMI-TYS
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.
Related info for your journey
Find useful and relevant information for your journey from Champaign to Knoxville. 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 Knoxville?
Book flights to Knoxville if you plan to visit one of these locationsCherokee
Crossville
Morristown
Bryson City
Murphy
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