$57+ Cheap flights from Chicago (CHI) 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 11/23. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — TYS
Oct 4 — Oct 111
Round-trip
1 adult, Economy
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Find cheap flights from Chicago 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.Cheapflights Tip: The best prices from Chicago to Knoxville McGhee Tyson are usually found in June or October, booked 73 days in advance, depart on a Thursday or Saturday and return on a Friday
Cheap flight deals from Chicago to Knoxville
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Cheapest flights from Chicago to KnoxvilleExplore the most affordable flight options available from Chicago to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 4, 2026.
Explore the most affordable flight options available from Chicago to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 11/133:16 pm -
Nonstop1h 30m
Sun 11/152:09 pm -
1 stop23h 09m
Deal found 9/3![Allegiant Air logo]()
$232
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 10/261:26 pm -
Nonstop1h 25m
Fri 10/309:41 pm -
2 stops21h 06m
Deal found 9/2![Multiple Airlines logo]()
$237
This Kiwi.com deal was found by Cheapflights users on 9/1. 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 10/302:26 pm -
Nonstop1h 25m
Sun 11/14:57 pm -
1 stop25h 57m
Deal found 9/1![Allegiant Air logo]()
$245
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 11/133:16 pm -
Nonstop1h 30m
Sun 11/156:33 pm -
2 stops30h 14m
Deal found 9/3![Multiple Airlines logo]()
$246
This Cheapflightsfares deal was found by Cheapflights users on 9/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/164:30 pm -
Nonstop1h 25m
Mon 11/212:04 pm -
Nonstop1h 32m
Deal found 9/2![Allegiant Air logo]()
$251
This Southwest deal was found by Cheapflights users on 9/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/196:30 pm -
1 stop3h 15m
Mon 10/267:25 pm -
1 stop5h 30m
Deal found 9/3![Southwest logo]()
$259
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 10/22:24 pm -
Nonstop1h 25m
Fri 10/93:14 pm -
1 stop6h 21m
Deal found 9/2![Allegiant Air logo]()
$260
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 10/17:11 am -
1 stop24h 04m
Tue 10/137:04 pm -
1 stop21h 26m
Deal found 9/3![Multiple Airlines logo]()
$263
This Southwest deal was found by Cheapflights users on 9/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2912:45 pm -
2 stops7h 50m
Sat 10/3112:25 pm -
1 stop5h 20m
Deal found 9/3![Southwest logo]()
$264
This Kiwi.com deal was found by Cheapflights users on 9/1. 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 9/297:11 am -
1 stop25h 54m
Tue 10/66:04 pm -
1 stop22h 16m
Deal found 9/1![Multiple Airlines logo]()
$266
This Kiwi.com deal was found by Cheapflights users on 9/1. 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 10/216:21 am -
2 stops34h 12m
Mon 10/2612:04 pm -
Nonstop1h 32m
Deal found 9/1![Multiple Airlines logo]()
$267
This Southwest deal was found by Cheapflights users on 9/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2611:45 am -
2 stops6h 40m
Wed 9/308:05 am -
2 stops8h 20m
Deal found 9/2![Southwest logo]()
$269
Best flights from Chicago to KnoxvilleDiscover carefully curated flight deals from Chicago to Knoxville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 4, 2026.
Discover carefully curated flight deals from Chicago to Knoxville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 4, 2026.
This Southwest deal was found by Cheapflights users on 8/31. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3010:10 am -
2 stops8h 45m
Wed 10/74:20 pm -
1 stop7h 55m
Deal found 8/31![Southwest logo]()
$264
This United Airlines deal was found by Cheapflights users on 9/2. 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 10/236:03 pm -
Nonstop1h 46m
Sat 10/2410:42 am -
Nonstop1h 58m
Deal found 9/2![United Airlines logo]()
$279
This Delta deal was found by Cheapflights users on 8/31. 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.
Thu 12/176:00 am -
1 stop4h 27m
Sat 1/97:30 am -
1 stop6h 03m
Deal found 8/31![Delta logo]()
$299
This United Airlines deal was found by Cheapflights users on 9/1. 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 10/16:59 am -
Nonstop1h 46m
Thu 10/810:42 am -
Nonstop1h 58m
Deal found 9/1![United Airlines logo]()
$279
This Southwest deal was found by Cheapflights users on 9/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1911:10 am -
2 stops10h 35m
Mon 10/267:25 pm -
2 stops6h 45m
Deal found 9/3![Southwest logo]()
$298
This Delta deal was found by Cheapflights users on 8/30. 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.
Wed 10/76:04 am -
1 stop3h 50m
Sun 10/117:26 am -
1 stop6h 21m
Deal found 8/30![Delta logo]()
$299
This Southwest deal was found by Cheapflights users on 8/31. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/265:00 am -
1 stop7h 10m
Fri 10/3012:50 pm -
2 stops9h 35m
Deal found 8/31![Southwest logo]()
$304
This United Airlines deal was found by Cheapflights users on 8/30. 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 8/30![United Airlines logo]()
$322
This Southwest deal was found by Cheapflights users on 9/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/47:05 am -
1 stop6h 00m
Mon 12/75:15 pm -
1 stop6h 25m
Deal found 9/3![Southwest logo]()
$305
This United Airlines deal was found by Cheapflights users on 8/31. 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 9/76:59 am -
Nonstop2h 00m
Mon 9/146:00 am -
Nonstop1h 55m
Deal found 8/31![United Airlines logo]()
$339
This Southwest deal was found by Cheapflights users on 9/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1911:45 am -
2 stops6h 40m
Thu 9/246:45 pm -
1 stop5h 45m
Deal found 9/3![Southwest logo]()
$319
This Delta deal was found by Cheapflights users on 8/31. 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.
Sun 11/226:49 am -
1 stop5h 46m
Wed 11/2511:43 am -
1 stop5h 35m
Deal found 8/31![Delta logo]()
$407
This United Airlines deal was found by Cheapflights users on 9/1. 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 9/3010:30 am -
Nonstop1h 44m
Sun 10/46:00 am -
Nonstop1h 56m
Deal found 9/1![United Airlines logo]()
$356
This Southwest deal was found by Cheapflights users on 9/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/38:10 am -
2 stops10h 25m
Sat 10/106:40 am -
2 stops9h 10m
Deal found 9/3![Southwest logo]()
$326
This United Airlines deal was found by Cheapflights users on 9/3. 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
Mon 9/286:00 am -
Nonstop1h 56m
Deal found 9/3![United Airlines logo]()
$357
This Southwest deal was found by Cheapflights users on 9/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2312:45 pm -
2 stops9h 00m
Mon 10/267:25 pm -
2 stops6h 45m
Deal found 9/2![Southwest logo]()
$333
This United Airlines deal was found by Cheapflights users on 9/3. 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
Sun 10/116:00 am -
Nonstop1h 56m
Deal found 9/3![United Airlines logo]()
$363
This Southwest deal was found by Cheapflights users on 9/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1512:45 pm -
2 stops6h 10m
Wed 9/1612:45 pm -
2 stops8h 25m
Deal found 9/1![Southwest logo]()
$339
This United Airlines deal was found by Cheapflights users on 9/3. 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 9/178:02 pm -
Nonstop1h 47m
Mon 9/216:00 am -
Nonstop1h 55m
Deal found 9/3![United Airlines logo]()
$386
This Southwest deal was found by Cheapflights users on 9/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/205:10 am -
1 stop8h 50m
Thu 9/246:45 pm -
1 stop5h 45m
Deal found 9/3![Southwest logo]()
$396
This United Airlines deal was found by Cheapflights users on 8/30. 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
Sun 10/186:00 am -
Nonstop1h 56m
Deal found 8/30![United Airlines logo]()
$398
Last-minute flights from Chicago to KnoxvilleDiscover last-minute flight deals from Chicago to Knoxville. Data last updated September 4, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to Knoxville. Data last updated September 4, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 9/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2611:45 am -
2 stops6h 40m
Wed 9/308:05 am -
2 stops8h 20m
Deal found 9/2![Southwest logo]()
$269
This Kiwi.com deal was found by Cheapflights users on 9/1. 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 9/297:11 am -
1 stop25h 54m
Tue 10/66:04 pm -
1 stop22h 16m
Deal found 9/1![Multiple Airlines logo]()
$266
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 10/17:11 am -
1 stop24h 04m
Tue 10/137:04 pm -
1 stop21h 26m
Deal found 9/3![Multiple Airlines logo]()
$263
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 10/22:24 pm -
Nonstop1h 25m
Fri 10/93:14 pm -
1 stop6h 21m
Deal found 9/2![Allegiant Air logo]()
$260
This Southwest deal was found by Cheapflights users on 9/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/39:55 am -
1 stop8h 40m
Sat 10/102:55 pm -
1 stop7h 50m
Deal found 9/3![Southwest logo]()
$270
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/164:30 pm -
Nonstop1h 25m
Mon 10/1912:04 pm -
Nonstop1h 32m
Deal found 9/4![Allegiant Air logo]()
$245
This Cheapflightsfares deal was found by Cheapflights users on 9/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/164:30 pm -
Nonstop1h 25m
Mon 11/212:04 pm -
Nonstop1h 32m
Deal found 9/2![Allegiant Air logo]()
$251
This Southwest deal was found by Cheapflights users on 9/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/196:30 pm -
1 stop3h 15m
Mon 10/267:25 pm -
1 stop5h 30m
Deal found 9/3![Southwest logo]()
$259
This Kiwi.com deal was found by Cheapflights users on 9/1. 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 10/216:21 am -
2 stops34h 12m
Mon 10/2612:04 pm -
Nonstop1h 32m
Deal found 9/1![Multiple Airlines logo]()
$267
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 10/261:26 pm -
Nonstop1h 25m
Fri 10/309:41 pm -
2 stops21h 06m
Deal found 9/2![Multiple Airlines logo]()
$237
This Southwest deal was found by Cheapflights users on 9/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2912:45 pm -
1 stop7h 50m
Sat 10/316:40 am -
1 stop4h 40m
Deal found 9/3![Southwest logo]()
$264
This Kiwi.com deal was found by Cheapflights users on 8/31. 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 10/302:26 pm -
Nonstop1h 25m
Sun 11/14:57 pm -
1 stop25h 57m
Deal found 8/31![Allegiant Air logo]()
$257
One-way flights from Chicago to KnoxvilleSearch for one-way flight options from Chicago to Knoxville. Find affordable one-way fares based on user searches. Data last updated September 4, 2026.
Search for one-way flight options from Chicago to Knoxville. Find affordable one-way fares based on user searches. Data last updated September 4, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 9/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/239:29 am -
Nonstop1h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Allegiant Air logo]()
$57
This CheapOair deal was found by Cheapflights users on 9/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/202:30 pm -
Nonstop1h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Allegiant Air logo]()
$79
This CheapOair deal was found by Cheapflights users on 9/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/22:24 pm -
Nonstop1h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Allegiant Air logo]()
$90
This Kiwi.com deal was found by Cheapflights users on 8/31. 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 10/27:11 am -
1 stop24h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/31![Multiple Airlines logo]()
$122
This Kiwi.com deal was found by Cheapflights users on 8/31. 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 9/237:11 am -
1 stop25h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/31![Multiple Airlines logo]()
$127
This Cheapflightsfares deal was found by Cheapflights users on 9/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/912:26 pm -
Nonstop1h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Allegiant Air logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 9/2. 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
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Multiple Airlines logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 8/30. 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 9/117:25 am -
1 stop10h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/30![Multiple Airlines logo]()
$130
This Southwest deal was found by Cheapflights users on 9/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/285:55 am -
1 stop5h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Southwest logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 10/37:11 am -
1 stop23h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Multiple Airlines logo]()
$132
This Kiwi.com deal was found by Cheapflights users on 8/31. 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 9/227:11 am -
1 stop25h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/31![Multiple Airlines logo]()
$135
This Southwest deal was found by Cheapflights users on 9/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3012:45 pm -
2 stops6h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Southwest logo]()
$135
Find flight deals from Chicago to Knoxville
Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) 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 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $232 (Kiwi.com) |
One-way from | $57 (Cheapflightsfares) |
Popular in | March |
Cheapest in | June |
Average price | $293 |
Good round-trip deal | $110 or less |
Good one-way deal | $92 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Chicago 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 4, 2026.
Use the filters below to find and compare flights from Chicago to Knoxville that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoKnoxville
MDW Chicago Midway - TYS Knoxville McGhee Tyson
MDWTYS
Chicago Midway
Wed 9/30
12:45 pm-7:55 pm
2 stops6h 10m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$135
ChicagoKnoxville
MDW Chicago Midway - TYS Knoxville McGhee Tyson
MDWTYS
Chicago Midway
Sat 10/3
6:45 am-12:00 pm
1 stop4h 15m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$150
ChicagoKnoxville
MDW Chicago Midway - TYS Knoxville McGhee Tyson
MDWTYS
Chicago Midway
Thu 11/26
5:40 am-1:50 pm
2 stops7h 10m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$158
ChicagoKnoxville
MDW Chicago Midway - TYS Knoxville McGhee Tyson
MDWTYS
Chicago Midway
Wed 9/16
7:40 am-12:05 pm
1 stop3h 25m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$165
ChicagoKnoxville
MDW Chicago Midway - TYS Knoxville McGhee Tyson
MDWTYS
Chicago Midway
Tue 9/15
7:40 am-12:05 pm
1 stop3h 25m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$165
ChicagoKnoxville
MDW Chicago Midway - TYS Knoxville McGhee Tyson
MDWTYS
Chicago Midway
Fri 9/11
1:05 pm-8:00 pm
2 stops5h 55m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$180
ChicagoKnoxville
MDW Chicago Midway - TYS Knoxville McGhee Tyson
MDWTYS
Chicago Midway
Thu 9/10
1:05 pm-8:00 pm
2 stops5h 55m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$180
ChicagoKnoxville
ORD Chicago O'Hare Intl - TYS Knoxville McGhee Tyson
ORDTYS
Chicago O'Hare Intl
Thu 10/15
6:59 am-9:45 am
Nonstop1h 46m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$184
ChicagoKnoxville
MDW Chicago Midway - TYS Knoxville McGhee Tyson
MDWTYS
Chicago Midway
Wed 9/23
12:40 pm-7:55 pm
2 stops6h 15m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$190
ChicagoKnoxville
ORD Chicago O'Hare Intl - TYS Knoxville McGhee Tyson
ORDTYS
Chicago O'Hare Intl
Thu 10/1
6:59 am-9:45 am
Nonstop1h 46m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$194
Showing 1-10 of 40 resultsSorted by cheapest first
Compare providers for flights from Chicago 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 Chicago 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 Chicago-Knoxville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago-Knoxville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago-Knoxville flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Chicago-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-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 Chicago to Knoxville
Have a flexible travel schedule? Discover the best time to fly to Knoxville from Chicago with our price prediction graph.
CHI-TYS
MDW-TYS
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 to Knoxville
CHI-TYS
MDW-TYS
ORD-TYS
What is the cheapest month to book a flight from Chicago to Knoxville?
Currently, June is the cheapest month in which you can book a flight from Chicago to Knoxville (average of $258). Flying from Chicago to Knoxville in May is currently the most expensive (average of $342). 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 CHI to TYS?
Find hourly flight availability from Chicago 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 4, 2026.
Unlike in the morning, when flights are generally more expensive, you can save up to 7% on flights from Chicago to Knoxville by exploring options for tickets at noon.
Weekly flight availability from Chicago to Knoxville
Explore weekly flight availability from Chicago to Knoxville. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 4, 2026.
The most flights from CHI to TYS are scheduled on a Thursday (30 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (10 on average).
How much does it cost to fly round-trip from Chicago to Knoxville?
Airfare is below average for this route at the moment.
Chicago to Knoxville flights typically cost between $249 and $420 in November.The cheapest round-trip price found within the last 5 days was $232 on Allegiant Air (Nov 13-Nov 15).
How far ahead should I book a flight from Chicago to Knoxville?
Booking 74 days in advance of your planned departure date is, on average, the best time to get cheap flights from Chicago 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 day to fly from Chicago to Knoxville?
Use this chart to determine the cheapest time to fly round-trip from Chicago to Knoxville. Price data was last updated on August 29, 2026.
Travelers seeking maximum savings on their Chicago to Knoxville flight should consider departing on Tuesday at noon when fares are most often at their lowest. Sunday mornings 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 4, 2026.
Read through reviews of airlines operating flights from Chicago to Knoxville, such as United Airlines,Allegiant Air, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.4
Entertainment
7.1
Comfort
7.3
Boarding
7.7
Crew
8.1
Food
6.7
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Overall
7.4
Entertainment
7.1
Comfort
7.3
Boarding
7.7
Crew
8.1
Food
6.7
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Overall
7.4
Entertainment
7.1
Comfort
7.3
Boarding
7.7
Crew
8.1
Food
6.7
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Overall
7.4
Entertainment
7.1
Comfort
7.3
Boarding
7.7
Crew
8.1
Food
6.7
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Related info for your journey
Find useful and relevant information for your journey from Chicago 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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Top 3 airlines flying from Chicago to Knoxville
Discover the top 3 airlines that operate flights from Chicago to Knoxville. 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 September 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$82 | Average$155 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$188 | Average$353 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$189 | Average$333 | FlexibilityNo cancel fee | On-time69% |