$108+ Cheap flights from O'Hare Intl (ORD) to Knoxville (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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — TYS
Oct 17 — Oct 241
Round-trip
1 adult, Economy
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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
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Chicago O'Hare Intl to Knoxville McGhee Tyson are usually found in August or January, booked 70 days in advance, depart on a Saturday or Wednesday and return on a Friday
Cheap flight deals from O'Hare Intl to Knoxville
Cheapest
Best
Last-minute
One-way
Cheapest flights from O'Hare Intl to KnoxvilleExplore the most affordable flight options available from O'Hare Intl to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
Explore the most affordable flight options available from O'Hare Intl to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/218:04 am -
2 stops26h 25m
Mon 10/262:12 pm -
1 stop9h 27m
Deal found 9/16![Multiple Airlines logo]()
$264
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/53:50 pm -
1 stop20h 10m
Tue 10/137:04 pm -
1 stop21h 26m
Deal found 9/16![Multiple Airlines logo]()
$266
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/268:04 am -
1 stop10h 20m
Fri 10/3012:57 pm -
1 stop10h 46m
Deal found 9/16![Multiple Airlines logo]()
$267
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/308:00 am -
1 stop25h 05m
Tue 11/32:52 pm -
1 stop27h 11m
Deal found 9/16![Multiple Airlines logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/294:42 pm -
1 stop23h 55m
Thu 11/56:33 pm -
2 stops48h 43m
Deal found 9/14![Multiple Airlines logo]()
$273
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/248:04 am -
1 stop23h 21m
Thu 10/299:05 am -
1 stop7h 32m
Deal found 9/16![Multiple Airlines logo]()
$278
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/210:26 am -
2 stops29h 48m
Fri 11/61:17 pm -
1 stop10h 26m
Deal found 9/16![Multiple Airlines logo]()
$280
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/307:50 pm -
2 stops19h 10m
Mon 11/22:12 pm -
1 stop9h 31m
Deal found 9/16![Multiple Airlines logo]()
$293
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/224:41 pm -
1 stop23h 56m
Mon 10/262:12 pm -
1 stop9h 27m
Deal found 9/16![Multiple Airlines logo]()
$294
Best flights from O'Hare Intl to KnoxvilleDiscover carefully curated flight deals from O'Hare Intl to Knoxville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
Discover carefully curated flight deals from O'Hare Intl to Knoxville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/246:55 am -
Nonstop1h 58m
Thu 11/266:00 am -
Nonstop2h 09m
Deal found 9/15![United Airlines logo]()
$299
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/318:05 am -
1 stop4h 26m
Tue 11/37:26 am -
1 stop6h 33m
Deal found 9/16![Delta logo]()
$319
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:59 am -
Nonstop1h 46m
Mon 10/196:00 am -
Nonstop1h 56m
Deal found 9/15![United Airlines logo]()
$314
This United Airlines deal was found by Cheapflights users on 9/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:03 pm -
Nonstop1h 46m
Mon 10/196:00 am -
Nonstop1h 56m
Deal found 9/16![United Airlines logo]()
$347
This United Airlines deal was found by Cheapflights users on 9/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/266:55 am -
Nonstop1h 58m
Fri 10/306:45 am -
Nonstop2h 09m
Deal found 9/14![United Airlines logo]()
$427
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/126:03 pm -
Nonstop1h 46m
Fri 10/165:45 am -
1 stop4h 53m
Deal found 9/15![United Airlines logo]()
$437
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:03 pm -
Nonstop1h 46m
Sat 9/261:35 pm -
1 stop6h 06m
Deal found 9/15![United Airlines logo]()
$453
This United Airlines deal was found by Cheapflights users on 9/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:59 am -
Nonstop1h 46m
Mon 10/126:00 am -
Nonstop1h 56m
Deal found 9/12![United Airlines logo]()
$463
This United Airlines deal was found by Cheapflights users on 9/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:59 am -
Nonstop1h 46m
Sun 10/186:00 am -
Nonstop1h 56m
Deal found 9/13![United Airlines logo]()
$479
This United Airlines deal was found by Cheapflights users on 9/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/302:10 pm -
Nonstop1h 58m
Fri 10/26:00 am -
Nonstop1h 56m
Deal found 9/14![United Airlines logo]()
$487
This United Airlines deal was found by Cheapflights users on 9/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1510:30 am -
Nonstop1h 50m
Wed 12/1610:57 am -
Nonstop2h 03m
Deal found 9/16![United Airlines logo]()
$497
Last-minute flights from O'Hare Intl to KnoxvilleDiscover last-minute flight deals from O'Hare Intl to Knoxville. Data last updated September 17, 2026 and is based on user searches.
Discover last-minute flight deals from O'Hare Intl to Knoxville. Data last updated September 17, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/53:50 pm -
1 stop20h 10m
Tue 10/137:04 pm -
1 stop21h 26m
Deal found 9/16![Multiple Airlines logo]()
$266
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/218:04 am -
2 stops26h 25m
Mon 10/262:12 pm -
1 stop9h 27m
Deal found 9/16![Multiple Airlines logo]()
$264
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/224:41 pm -
1 stop23h 56m
Mon 10/262:12 pm -
1 stop9h 27m
Deal found 9/16![Multiple Airlines logo]()
$294
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/248:04 am -
1 stop23h 21m
Thu 10/299:05 am -
1 stop7h 32m
Deal found 9/16![Multiple Airlines logo]()
$278
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/268:04 am -
1 stop10h 20m
Fri 10/3012:57 pm -
1 stop10h 46m
Deal found 9/16![Multiple Airlines logo]()
$267
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/294:42 pm -
1 stop23h 55m
Thu 11/56:33 pm -
2 stops48h 43m
Deal found 9/14![Multiple Airlines logo]()
$273
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/308:00 am -
1 stop25h 05m
Tue 11/32:52 pm -
1 stop27h 11m
Deal found 9/16![Multiple Airlines logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/307:50 pm -
2 stops19h 10m
Mon 11/22:12 pm -
1 stop9h 31m
Deal found 9/16![Multiple Airlines logo]()
$293
This American Airlines deal was found by Cheapflights users on 9/15. 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 10/301:25 pm -
Nonstop1h 47m
Fri 11/64:59 pm -
Nonstop2h 12m
Deal found 9/15![American Airlines logo]()
$298
One-way flights from O'Hare Intl to KnoxvilleSearch for one-way flight options from O'Hare Intl to Knoxville. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
Search for one-way flight options from O'Hare Intl to Knoxville. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/124:42 pm -
1 stop24h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$108
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:30 am -
1 stop29h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$112
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/138:04 am -
1 stop25h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$119
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/107:45 pm -
1 stop21h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Multiple Airlines logo]()
$121
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/146:30 am -
1 stop29h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/277:50 pm -
2 stops38h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Multiple Airlines logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/67:11 am -
1 stop9h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Multiple Airlines logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/137:45 pm -
1 stop21h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$131
Find flight deals from O'Hare Intl to Knoxville
Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) 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 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $263 (Kiwi.com) |
One-way from | $108 (Kiwi.com) |
Popular in | September |
Cheapest in | August |
Average price | $412 |
Good round-trip deal | $274 or less |
Good one-way deal | $173 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from O'Hare Intl 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 17, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Knoxville that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoKnoxville
ORD Chicago O'Hare Intl - TYS Knoxville McGhee Tyson
ORDTYS
Chicago O'Hare Intl
Mon 11/16
6:55 am-9:53 am
Nonstop1h 58m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$194
ChicagoKnoxville
ORD Chicago O'Hare Intl - TYS Knoxville McGhee Tyson
ORDTYS
Chicago O'Hare Intl
Wed 10/14
8:04 am-6:40 pm
2 stops33h 36m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$223
ChicagoKnoxville
ORD Chicago O'Hare Intl - TYS Knoxville McGhee Tyson
ORDTYS
Chicago O'Hare Intl
Wed 10/14
6:40 pm-11:55 pm
1 stop4h 15m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$224
ChicagoKnoxville
ORD Chicago O'Hare Intl - TYS Knoxville McGhee Tyson
ORDTYS
Chicago O'Hare Intl
Wed 3/10
9:50 am-5:27 pm
1 stop6h 37m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$224
ChicagoKnoxville
ORD Chicago O'Hare Intl - TYS Knoxville McGhee Tyson
ORDTYS
Chicago O'Hare Intl
Sat 10/17
12:05 pm-7:32 pm
1 stop6h 27m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$224
ChicagoKnoxville
ORD Chicago O'Hare Intl - TYS Knoxville McGhee Tyson
ORDTYS
Chicago O'Hare Intl
Fri 3/12
5:30 am-11:06 am
1 stop4h 36m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$224
ChicagoKnoxville
ORD Chicago O'Hare Intl - TYS Knoxville McGhee Tyson
ORDTYS
Chicago O'Hare Intl
Tue 12/15
10:32 am-5:30 pm
1 stop5h 58m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$224
ChicagoKnoxville
ORD Chicago O'Hare Intl - TYS Knoxville McGhee Tyson
ORDTYS
Chicago O'Hare Intl
Thu 12/17
11:35 am-6:33 pm
1 stop5h 58m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$224
ChicagoKnoxville
ORD Chicago O'Hare Intl - TYS Knoxville McGhee Tyson
ORDTYS
Chicago O'Hare Intl
Thu 3/11
1:35 pm-9:34 pm
1 stop6h 59m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$224
Quickest round-trip
ChicagoKnoxville
ORD Chicago O'Hare Intl - TYS Knoxville McGhee Tyson
ORDTYS
Chicago O'Hare Intl
Thu 10/1
6:03 pm-8:49 pm
Nonstop1h 46m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$244
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from O'Hare Intl 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 O'Hare Intl to Knoxville in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Chicago O'Hare Intl Airport-Knoxville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago O'Hare Intl Airport-Knoxville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-Knoxville flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Chicago O'Hare Intl Airport-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 Chicago O'Hare Intl Airport-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 O'Hare Intl to Knoxville
Have a flexible travel schedule? Discover the best time to fly to Knoxville from O'Hare Intl with our price prediction graph.
ORD-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.
Cheapflights Insights
Everything you need to know about your flight from Chicago O'Hare Intl Airport to Knoxville
Prices
Airlines
How far ahead should I book a flight from Chicago O'Hare Intl Airport to Knoxville?
Booking 69 days in advance of your planned departure date is, on average, the best time to get cheap flights from Chicago O'Hare Intl Airport to Knoxville. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Knoxville?
Currently, August is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Knoxville (average of $274). Flying from Chicago O'Hare Intl Airport to Knoxville in September is currently the most expensive (average of $412). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from ORD to TYS?
Find hourly flight availability from O'Hare Intl to Knoxville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2026.
It’s typically best to fly out from Chicago O'Hare Intl Airport to Knoxville at noon. Doing so could potentially save you 9% on the flight price compared to flying in the afternoon, which is usually more expensive.
What is the cheapest day to fly from Chicago O'Hare Intl Airport to Knoxville?
Use this chart to determine the cheapest time to fly round-trip from O'Hare Intl to Knoxville. Price data was last updated on September 12, 2026.
Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to Knoxville flight should consider departing on Tuesday evenings when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Knoxville
Get insights into the airlines that provide service to Knoxville. 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 Knoxville. Reviews last updated September 17, 2026.
See what other customers who have flown with United Airlines and American Airlines from Chicago O'Hare Intl Airport to Knoxville have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.4
Entertainment
7.1
Food
6.7
Boarding
7.7
Comfort
7.3
Crew
8.1
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Overall
7.4
Entertainment
7.1
Food
6.7
Boarding
7.7
Comfort
7.3
Crew
8.1
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Overall
7.4
Entertainment
7.1
Food
6.7
Boarding
7.7
Comfort
7.3
Crew
8.1
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Related info for your journey
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Top 2 airlines flying from O'Hare Intl to Knoxville
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$189 | Average$333 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$207 | Average$333 | FlexibilityNo cancel fee | On-time71% |