$42+ Cheap flights from Illinois to Tennessee
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 11/16. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BNA
Oct 22 — Oct 291
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Illinois to Tennessee 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 Illinois to Tennessee
Cheapest
Best
Last-minute
One-way
Cheapest flights from Illinois to TennesseeExplore the most affordable flight options available from Illinois to Tennessee. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 22, 2026.
Explore the most affordable flight options available from Illinois to Tennessee. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 22, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 9/20. 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.
Thu 11/54:26 pm -
1 stop16h 30m
Sat 11/79:43 am -
1 stop13h 33m
Deal found 9/20![Frontier logo]()
$116
This Southwest deal was found by Cheapflights users on 9/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/177:15 pm -
Nonstop1h 15m
Mon 10/1910:25 pm -
Nonstop1h 15m
Deal found 9/21![Southwest logo]()
$117
This Cheapflightsfares deal was found by Cheapflights users on 9/21. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/612:14 pm -
1 stop5h 19m
Sat 11/79:43 am -
1 stop13h 33m
Deal found 9/21![Frontier logo]()
$133
This Trip.com deal was found by Cheapflights users on 9/21. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/194:30 pm -
1 stop27h 13m
Thu 10/228:29 pm -
1 stop26h 44m
Deal found 9/21![Frontier logo]()
$136
This Southwest deal was found by Cheapflights users on 9/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2410:30 am -
1 stop4h 30m
Mon 10/266:55 pm -
1 stop5h 40m
Deal found 9/21![Southwest logo]()
$137
This Southwest deal was found by Cheapflights users on 9/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/69:45 pm -
Nonstop1h 20m
Sat 11/76:35 am -
Nonstop1h 15m
Deal found 9/21![Southwest logo]()
$144
This CheapOair deal was found by Cheapflights users on 9/18. 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.
Thu 11/1212:14 pm -
1 stop5h 19m
Fri 11/139:30 am -
1 stop3h 51m
Deal found 9/18![Multiple Airlines logo]()
$147
This Trip.com deal was found by Cheapflights users on 9/21. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/42:00 pm -
1 stop4h 03m
Mon 10/59:30 am -
1 stop3h 51m
Deal found 9/21![Southern / Mokulele logo]()
$150
This Expedia deal was found by Cheapflights users on 9/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/152:00 pm -
1 stop4h 03m
Mon 10/199:38 am -
1 stop13h 35m
Deal found 9/19![Multiple Airlines logo]()
$153
This Kiwi.com deal was found by Cheapflights users on 9/18. 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 10/148:04 am -
1 stop23h 15m
Thu 10/298:59 am -
1 stop7h 38m
Deal found 9/18![Multiple Airlines logo]()
$197
This CheapOair deal was found by Cheapflights users on 9/19. 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.
Tue 10/206:30 am -
1 stop7h 49m
Thu 10/293:11 pm -
1 stop9h 10m
Deal found 9/19![Frontier logo]()
$235
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/271:05 pm -
2 stops8h 10m
Sat 10/311:15 pm -
Nonstop1h 35m
Deal found 9/17![Southwest logo]()
$235
Best flights from Illinois to TennesseeDiscover carefully curated flight deals from Illinois to Tennessee that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 22, 2026.
Discover carefully curated flight deals from Illinois to Tennessee that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 22, 2026.
This Southwest deal was found by Cheapflights users on 9/19. 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 10/247:20 am -
Nonstop1h 10m
Mon 10/2610:25 pm -
Nonstop1h 15m
Deal found 9/19![Southwest logo]()
$117
This Southern / Mokulele deal was found by Cheapflights users on 9/19. 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 Southern / Mokulele is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/282:00 pm -
1 stop4h 03m
Wed 9/309:30 am -
1 stop3h 51m
Deal found 9/19![Southern / Mokulele logo]()
$172
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/77:59 pm -
1 stop18h 17m
Sun 11/88:26 pm -
1 stop26h 50m
Deal found 9/17![Frontier logo]()
$224
This Southwest deal was found by Cheapflights users on 9/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/177:15 pm -
Nonstop1h 15m
Mon 10/1910:25 pm -
Nonstop1h 15m
Deal found 9/21![Southwest logo]()
$117
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/169:20 pm -
Nonstop1h 56m
Sat 10/172:36 pm -
Nonstop2h 09m
Deal found 9/17![United Airlines logo]()
$269
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:44 pm -
1 stop3h 54m
Wed 10/216:10 am -
1 stop6h 37m
Deal found 9/17![Delta logo]()
$296
This Southwest deal was found by Cheapflights users on 9/18. 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 11/129:45 pm -
Nonstop1h 20m
Fri 11/138:05 pm -
Nonstop1h 15m
Deal found 9/18![Southwest logo]()
$144
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/196:40 pm -
1 stop4h 53m
Tue 10/203:38 pm -
Nonstop2h 00m
Deal found 9/17![American Airlines logo]()
$334
This Contour deal was found by Cheapflights users on 9/21. 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 Contour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/812:30 pm -
1 stop3h 40m
Mon 10/128:00 am -
1 stop3h 40m
Deal found 9/21![Contour logo]()
$342
This Southern / Mokulele deal was found by Cheapflights users on 9/20. 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 Southern / Mokulele is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/52:00 pm -
1 stop4h 03m
Fri 10/99:30 am -
1 stop3h 51m
Deal found 9/20![Southern / Mokulele logo]()
$172
This Southwest deal was found by Cheapflights users on 9/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/191:05 pm -
Nonstop1h 10m
Thu 10/2210:25 pm -
Nonstop1h 15m
Deal found 9/21![Southwest logo]()
$187
This Kiwi.com deal was found by Cheapflights users on 9/19. 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 10/174:51 pm -
2 stops42h 58m
Wed 10/218:29 pm -
1 stop11h 20m
Deal found 9/19![Multiple Airlines logo]()
$466
This United Airlines deal was found by Cheapflights users on 9/20. 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 10/208:40 am -
Nonstop1h 50m
Sat 10/316:00 am -
Nonstop1h 56m
Deal found 9/20![United Airlines logo]()
$277
This Delta deal was found by Cheapflights users on 9/20. 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.
Tue 10/2010:59 am -
1 stop4h 06m
Thu 10/222:10 pm -
1 stop3h 50m
Deal found 9/20![Delta logo]()
$297
This United Airlines deal was found by Cheapflights users on 9/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/910:45 am -
Nonstop1h 50m
Sat 12/126:00 am -
Nonstop1h 53m
Deal found 9/21![United Airlines logo]()
$277
This United Airlines deal was found by Cheapflights users on 9/19. 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 10/289:20 pm -
Nonstop1h 39m
Sat 10/317:34 am -
Nonstop1h 55m
Deal found 9/19![United Airlines logo]()
$277
This Kiwi.com deal was found by Cheapflights users on 9/18. 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 10/188:39 am -
1 stop23h 51m
Sun 10/2510:52 am -
2 stops29h 11m
Deal found 9/18![Allegiant Air logo]()
$678
This Delta deal was found by Cheapflights users on 9/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/96:49 am -
1 stop5h 46m
Sat 11/146:00 am -
1 stop6h 20m
Deal found 9/21![Delta logo]()
$317
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2710:10 am -
2 stops6h 10m
Sat 10/318:10 am -
2 stops7h 05m
Deal found 9/17![Southwest logo]()
$264
This United Airlines deal was found by Cheapflights users on 9/19. 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 10/199:25 pm -
Nonstop1h 49m
Mon 10/266:00 am -
Nonstop1h 56m
Deal found 9/19![United Airlines logo]()
$277
This Delta deal was found by Cheapflights users on 9/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/171:30 pm -
1 stop4h 00m
Sat 1/97:30 am -
1 stop6h 07m
Deal found 9/21![Delta logo]()
$319
This Southwest deal was found by Cheapflights users on 9/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/195:00 am -
1 stop7h 10m
Mon 11/27:25 pm -
1 stop5h 40m
Deal found 9/21![Southwest logo]()
$273
This United Airlines deal was found by Cheapflights users on 9/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:55 am -
Nonstop1h 45m
Mon 10/195:00 pm -
Nonstop2h 00m
Deal found 9/21![United Airlines logo]()
$287
This Delta deal was found by Cheapflights users on 9/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:04 am -
1 stop4h 14m
Tue 10/276:00 am -
1 stop4h 32m
Deal found 9/21![Delta logo]()
$319
This Southwest deal was found by Cheapflights users on 9/19. 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 12/98:00 am -
Nonstop1h 40m
Wed 12/162:45 pm -
Nonstop1h 30m
Deal found 9/19![Southwest logo]()
$277
This Delta deal was found by Cheapflights users on 9/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:04 am -
1 stop4h 14m
Sat 10/246:40 am -
1 stop4h 57m
Deal found 9/21![Delta logo]()
$319
This United Airlines deal was found by Cheapflights users on 9/19. 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 10/199:20 pm -
Nonstop1h 56m
Mon 10/266:14 pm -
Nonstop2h 03m
Deal found 9/19![United Airlines logo]()
$297
This Southwest deal was found by Cheapflights users on 9/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/219:30 am -
Nonstop1h 25m
Thu 10/292:25 pm -
Nonstop1h 30m
Deal found 9/21![Southwest logo]()
$277
This Delta deal was found by Cheapflights users on 9/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:04 am -
1 stop4h 14m
Mon 10/266:00 am -
1 stop4h 32m
Deal found 9/21![Delta logo]()
$319
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/239:25 pm -
Nonstop1h 49m
Mon 10/266:00 am -
Nonstop1h 56m
Deal found 9/17![United Airlines logo]()
$297
Last-minute flights from Illinois to TennesseeDiscover last-minute flight deals from Illinois to Tennessee. Data last updated September 22, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Tennessee. Data last updated September 22, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 9/18. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/302:00 pm -
1 stop4h 03m
Thu 10/19:30 am -
1 stop3h 51m
Deal found 9/18![Southern / Mokulele logo]()
$156
This Kiwi.com deal was found by Cheapflights users on 9/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/22:10 pm -
1 stop3h 43m
Mon 10/59:30 am -
1 stop4h 01m
Deal found 9/22![Southern / Mokulele logo]()
$170
This Trip.com deal was found by Cheapflights users on 9/21. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/42:00 pm -
1 stop4h 03m
Mon 10/59:30 am -
1 stop3h 51m
Deal found 9/21![Southern / Mokulele logo]()
$150
This Kiwi.com deal was found by Cheapflights users on 9/18. 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 10/148:04 am -
1 stop23h 15m
Thu 10/298:59 am -
1 stop7h 38m
Deal found 9/18![Multiple Airlines logo]()
$197
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/152:00 pm -
1 stop4h 03m
Thu 10/229:30 am -
1 stop3h 51m
Deal found 9/17![Southern / Mokulele logo]()
$158
This Expedia deal was found by Cheapflights users on 9/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/162:00 pm -
1 stop4h 03m
Mon 10/199:38 am -
1 stop13h 35m
Deal found 9/19![Multiple Airlines logo]()
$153
This Southwest deal was found by Cheapflights users on 9/19. 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 10/166:10 pm -
1 stop4h 50m
Mon 10/1910:25 pm -
Nonstop1h 15m
Deal found 9/19![Southwest logo]()
$154
This Southwest deal was found by Cheapflights users on 9/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/177:15 pm -
Nonstop1h 15m
Mon 10/1910:25 pm -
Nonstop1h 15m
Deal found 9/21![Southwest logo]()
$117
This Trip.com deal was found by Cheapflights users on 9/21. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/194:30 pm -
1 stop27h 13m
Thu 10/228:29 pm -
1 stop26h 44m
Deal found 9/21![Frontier logo]()
$136
This Southwest deal was found by Cheapflights users on 9/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2410:30 am -
1 stop4h 30m
Mon 10/266:55 pm -
1 stop5h 40m
Deal found 9/21![Southwest logo]()
$137
This Southwest deal was found by Cheapflights users on 9/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:50 pm -
Nonstop1h 10m
Fri 10/306:40 pm -
Nonstop1h 15m
Deal found 9/22![Southwest logo]()
$144
This United Airlines deal was found by Cheapflights users on 9/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/297:30 am -
1 stop5h 02m
Fri 10/309:43 am -
1 stop4h 46m
Deal found 9/22![United Airlines logo]()
$159
One-way flights from Illinois to TennesseeSearch for one-way flight options from Illinois to Tennessee. Find affordable one-way fares based on user searches. Data last updated September 22, 2026.
Search for one-way flight options from Illinois to Tennessee. Find affordable one-way fares based on user searches. Data last updated September 22, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/164:31 pm -
Nonstop1h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Allegiant Air logo]()
$42
This Kiwi.com deal was found by Cheapflights users on 9/18. 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 11/21:26 pm -
Nonstop1h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Allegiant Air logo]()
$48
This CheapOair deal was found by Cheapflights users on 9/20. 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.
Mon 10/261:26 pm -
Nonstop1h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Allegiant Air logo]()
$58
This Southwest deal was found by Cheapflights users on 9/20. 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 11/197:35 am -
Nonstop1h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Southwest logo]()
$59
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.
Fri 10/302:26 pm -
Nonstop1h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Allegiant Air logo]()
$61
This United Airlines deal was found by Cheapflights users on 9/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/107:30 am -
1 stop5h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![United Airlines logo]()
$64
This CheapOair deal was found by Cheapflights users on 9/20. 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.
Mon 10/194:30 pm -
1 stop27h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Frontier logo]()
$66
This Kiwi.com deal was found by Cheapflights users on 9/21. 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 Kiwi.com 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 9/21![Allegiant Air logo]()
$66
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.
Mon 10/512:56 pm -
Nonstop1h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Allegiant Air logo]()
$67
This Southwest deal was found by Cheapflights users on 9/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:00 am -
1 stop4h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Southwest logo]()
$69
This Cheapflightsfares deal was found by Cheapflights users on 9/21. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/612:14 pm -
1 stop5h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Frontier logo]()
$76
This Delta deal was found by Cheapflights users on 9/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2110:14 am -
1 stop4h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Delta logo]()
$79
Find flight deals from Illinois to Tennessee
Keep the following information in mind while searching for Illinois to Tennessee flight deals. Data was last updated September 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $116 (Cheapflightsfares) |
One-way from | $42 (Kiwi.com) |
Popular in | June |
Cheapest in | December |
Average price | $350 |
Good round-trip deal | $127 or less |
Good one-way deal | $44 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Illinois to Tennessee 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 22, 2026.
Use the filters below to find and compare flights from Illinois to Tennessee that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisNashville
STL Lambert-St Louis - BNA Nashville Intl
STLBNA
Lambert-St Louis
Thu 11/19
7:35 am-8:50 am
Nonstop1h 15m
Nashville Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$59
St. LouisNashville
STL Lambert-St Louis - BNA Nashville Intl
STLBNA
Lambert-St Louis
Tue 11/17
4:30 pm-5:45 pm
Nonstop1h 15m
Nashville Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$59
St. LouisNashville
STL Lambert-St Louis - BNA Nashville Intl
STLBNA
Lambert-St Louis
Tue 10/13
4:30 pm-5:40 pm
Nonstop1h 10m
Nashville Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$59
St. LouisNashville
STL Lambert-St Louis - BNA Nashville Intl
STLBNA
Lambert-St Louis
Tue 11/10
7:30 am-12:32 pm
1 stop5h 02m
Nashville Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$64
St. LouisNashville
STL Lambert-St Louis - BNA Nashville Intl
STLBNA
Lambert-St Louis
Mon 11/16
10:00 am-4:09 pm
1 stop6h 09m
Nashville Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$74
St. LouisNashville
STL Lambert-St Louis - BNA Nashville Intl
STLBNA
Lambert-St Louis
Wed 11/18
7:05 am-1:22 pm
1 stop6h 17m
Nashville Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$74
St. LouisNashville
STL Lambert-St Louis - BNA Nashville Intl
STLBNA
Lambert-St Louis
Tue 11/17
10:05 am-4:34 pm
1 stop6h 29m
Nashville Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$79
ChicagoKnoxville
MDW Chicago Midway - TYS Knoxville McGhee Tyson
MDWTYS
Chicago Midway
Fri 10/2
2:24 pm-4:49 pm
Nonstop1h 25m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$85
St. LouisNashville
STL Lambert-St Louis - BNA Nashville Intl
STLBNA
Lambert-St Louis
Fri 11/27
8:30 am-9:40 am
Nonstop1h 10m
Nashville Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$86
St. LouisNashville
STL Lambert-St Louis - BNA Nashville Intl
STLBNA
Lambert-St Louis
Wed 12/23
2:00 pm-6:03 pm
1 stop4h 03m
Nashville Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$88
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Illinois to Tennessee
Have a flexible travel schedule? Discover the best time to fly to Tennessee from Illinois with our price prediction graph.
STL-BNA
ORD-CHA
ORD-MEM
MDW-BNA
ORD-BNA
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 Illinois to Tennessee
USIL-USTN
STL-BNA
ORD-CHA
ORD-MEM
MDW-BNA
What is the cheapest month to book a flight from Illinois to Tennessee?
Currently, October is the cheapest month in which you can book a flight from Illinois to Tennessee (average of $260). Flying from Illinois to Tennessee in February is currently the most expensive (average of $346). 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 IL to TN?
Find hourly flight availability from Illinois to Tennessee. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 22, 2026.
When flying from Illinois to Tennessee, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 10% versus a flight at noon.
Weekly flight availability from Illinois to Tennessee
Explore weekly flight availability from Illinois to Tennessee. 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 22, 2026.
The most flights from USIL to USTN are scheduled on a Sunday (62 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (32 on average).
How much does it cost to fly round-trip from Illinois to Tennessee?
Airfare is typical for this route at the moment.
Illinois to Tennessee flights typically cost between $203 and $416 in October.The cheapest round-trip price found within the last 5 days was $235 on Frontier (Oct 20-Oct 29).
How far ahead should I book a flight from Illinois to Tennessee?
To ensure you get the cheapest price possible for a flight from Illinois to Tennessee, you should look to book at least 74 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest day to fly from Illinois to Tennessee?
Use this chart to determine the cheapest time to fly round-trip from Illinois to Tennessee. Price data was last updated on October 19, 2025.
Travelers seeking maximum savings on their Illinois to Tennessee flight should consider departing on Tuesday at noon when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Tennessee
Get insights into the airlines that provide service to Tennessee. 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 Tennessee. Reviews last updated September 22, 2026.
See what other customers who have flown with Southwest,United Airlines, andAllegiant Air from Illinois to Tennessee have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Overall
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentJohn,May 2025
PVD - BNA
Comfort
8.0
Overall
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentJohn,May 2025
PVD - BNA
Comfort
8.0
Overall
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentJohn,May 2025
PVD - BNA
Comfort
8.0
Overall
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentJohn,May 2025
PVD - BNA
Comfort
8.0
Overall
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentJohn,May 2025
PVD - BNA
Comfort
8.0
Overall
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentJohn,May 2025
PVD - BNA
Related info for your journey
Find useful and relevant information for your journey from Illinois to Tennessee. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Return Flight Options
Top destinations
Alternative routes for Illinois to Tennessee
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Tennessee by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Illinois to Tennessee by cabin class
Find flights from Illinois to Tennessee, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Illinois and Tennessee flights
Browse other Illinois and Tennessee flight options. Last updated on September 22, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Tennessee
Find the right flight back to Illinois after your stay in Tennessee
Illinois to Tennessee flights
Consider these flights traveling from Illinois to Tennessee.
Top 9 airlines flying from Illinois to Tennessee
Discover the top 9 airlines that operate flights from Illinois to Tennessee. 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 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$38 | Average$106 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$80 | Average$134 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$124 | Average$199 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$134 | Average$342 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$156 | Average$369 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$174 | Average$371 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$180 | Average$232 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$208 | Average$379 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$222 | Average$302 | FlexibilityNo cancel fee | On-time62% |