$56+ Cheap flights from Tennessee to Illinois
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/30. Fares are subject to change and may not be available on all flights or dates of travel.
BNA — ORD
Oct 17 — Oct 241
Round-trip
1 adult, Economy
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Find cheap flights from Tennessee to Illinois with Cheapflights
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Cheapest flights from Tennessee to IllinoisExplore the most affordable flight options available from Tennessee to Illinois. 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 Tennessee to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
This Kissandfly.com 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/159:30 am -
1 stop3h 51m
Mon 10/192:00 pm -
1 stop4h 03m
Deal found 9/13![Southern / Mokulele logo]()
$156
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/39:30 am -
1 stop3h 51m
Sun 12/62:00 pm -
1 stop4h 03m
Deal found 9/14![Southern / Mokulele logo]()
$167
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 10/29:30 am -
1 stop3h 51m
Sun 10/42:00 pm -
1 stop4h 03m
Deal found 9/16![Southern / Mokulele logo]()
$171
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/189:30 am -
1 stop3h 51m
Sat 12/199:50 am -
1 stop5h 13m
Deal found 9/16![Southern / Mokulele logo]()
$172
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/175:31 pm -
1 stop5h 42m
Mon 10/192:00 pm -
1 stop4h 03m
Deal found 9/14![Multiple Airlines logo]()
$187
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 9/179:40 am -
1 stop3h 51m
Sun 9/202:10 pm -
1 stop3h 43m
Deal found 9/15![Southern / Mokulele logo]()
$192
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/175:31 pm -
1 stop5h 42m
Mon 10/194:30 pm -
1 stop27h 13m
Deal found 9/16![Frontier logo]()
$200
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 10/159:30 am -
1 stop3h 51m
Mon 10/196:35 pm -
2 stops25h 08m
Deal found 9/15![Multiple Airlines logo]()
$204
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 10/136:11 pm -
1 stop21h 19m
Thu 11/128:00 am -
1 stop11h 04m
Deal found 9/14![Multiple Airlines logo]()
$206
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.
Tue 10/69:30 am -
1 stop3h 51m
Tue 10/132:00 pm -
1 stop19h 03m
Deal found 9/16![Southern / Mokulele logo]()
$212
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:51 pm -
1 stop12h 40m
Thu 10/226:30 am -
1 stop12h 44m
Deal found 9/16![Frontier logo]()
$212
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/149:05 am -
Nonstop1h 15m
Sat 10/177:15 pm -
Nonstop1h 15m
Deal found 9/14![Southwest logo]()
$216
Best flights from Tennessee to IllinoisDiscover carefully curated flight deals from Tennessee to Illinois 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 Tennessee to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
This Southern / Mokulele 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 Southern / Mokulele is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/229:30 am -
1 stop3h 51m
Mon 10/262:00 pm -
1 stop4h 03m
Deal found 9/16![Southern / Mokulele logo]()
$172
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/175:31 pm -
1 stop5h 42m
Mon 10/192:00 pm -
1 stop4h 03m
Deal found 9/14![Multiple Airlines logo]()
$187
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/26:25 am -
Nonstop1h 15m
Sat 12/55:10 pm -
Nonstop1h 10m
Deal found 9/14![Southwest logo]()
$216
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.
Wed 10/149:48 am -
Nonstop2h 11m
Wed 10/213:40 pm -
Nonstop1h 59m
Deal found 9/16![United Airlines logo]()
$219
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.
Wed 11/1111:59 am -
1 stop7h 06m
Wed 11/185:30 am -
1 stop4h 15m
Deal found 9/16![Delta logo]()
$239
This Contour 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 Contour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/68:00 am -
1 stop3h 40m
Sun 11/812:30 pm -
1 stop3h 40m
Deal found 9/16![Contour logo]()
$257
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:03 am -
Nonstop2h 08m
Sat 10/179:08 pm -
Nonstop1h 49m
Deal found 9/12![American Airlines logo]()
$299
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/249:30 am -
1 stop3h 51m
Sun 9/272:00 pm -
1 stop4h 03m
Deal found 9/16![Southern / Mokulele logo]()
$193
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 11/33:00 pm -
Nonstop2h 00m
Sat 11/710:45 am -
Nonstop1h 48m
Deal found 9/15![United Airlines logo]()
$219
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/108:10 pm -
Nonstop1h 35m
Tue 10/131:05 pm -
1 stop2h 55m
Deal found 9/14![Southwest logo]()
$225
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 12/96:00 am -
Nonstop1h 53m
Wed 1/66:20 pm -
Nonstop1h 55m
Deal found 9/14![United Airlines logo]()
$219
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/77:45 pm -
1 stop4h 07m
Sat 12/125:30 am -
1 stop5h 56m
Deal found 9/15![Delta logo]()
$254
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/178:00 am -
Nonstop1h 15m
Mon 10/195:50 pm -
Nonstop1h 10m
Deal found 9/16![Southwest logo]()
$231
This Contour 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 Contour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/128:00 am -
1 stop3h 40m
Mon 10/1912:30 pm -
1 stop3h 40m
Deal found 9/15![Contour logo]()
$257
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/65:45 pm -
Nonstop1h 15m
Sat 10/107:15 pm -
Nonstop1h 15m
Deal found 9/15![Southwest logo]()
$240
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/118:00 am -
1 stop6h 49m
Tue 1/1211:10 am -
1 stop4h 08m
Deal found 9/15![Delta logo]()
$270
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:03 am -
Nonstop2h 08m
Mon 10/129:08 pm -
Nonstop1h 49m
Deal found 9/13![American Airlines logo]()
$299
This Contour 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 Contour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/98:00 am -
1 stop3h 40m
Wed 1/612:30 pm -
1 stop3h 40m
Deal found 9/13![Contour logo]()
$272
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.
Wed 11/1111:18 am -
Nonstop2h 03m
Mon 11/1610:45 am -
Nonstop1h 47m
Deal found 9/16![United Airlines logo]()
$249
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:25 am -
2 stops10h 40m
Sat 11/1410:20 am -
Nonstop1h 40m
Deal found 9/13![Southwest logo]()
$249
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 10/157:34 am -
Nonstop1h 58m
Thu 10/226:55 am -
Nonstop1h 45m
Deal found 9/15![United Airlines logo]()
$249
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/157:30 am -
Nonstop2h 09m
Sun 10/188:05 am -
1 stop6h 07m
Deal found 9/12![American Airlines logo]()
$309
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.
Wed 10/2110:41 am -
1 stop6h 17m
Mon 10/265:27 am -
1 stop4h 09m
Deal found 9/17![Delta logo]()
$291
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/157:55 pm -
1 stop3h 25m
Mon 10/195:50 pm -
Nonstop1h 10m
Deal found 9/15![Southwest logo]()
$250
This Contour 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 Contour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/258:00 am -
1 stop3h 40m
Sun 11/2912:30 pm -
1 stop3h 40m
Deal found 9/14![Contour logo]()
$306
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/102:45 pm -
1 stop6h 06m
Mon 10/129:08 pm -
Nonstop1h 49m
Deal found 9/12![American Airlines logo]()
$309
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/75:05 am -
Nonstop1h 35m
Mon 11/96:30 pm -
Nonstop1h 35m
Deal found 9/14![Southwest logo]()
$250
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/56:03 am -
Nonstop2h 08m
Mon 10/129:08 pm -
Nonstop1h 49m
Deal found 9/16![American Airlines logo]()
$314
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.
Wed 11/117:00 am -
Nonstop2h 00m
Wed 11/188:43 am -
Nonstop2h 07m
Deal found 9/15![United Airlines logo]()
$288
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/102:56 pm -
1 stop4h 05m
Mon 12/145:14 pm -
1 stop4h 06m
Deal found 9/13![Delta logo]()
$319
Last-minute flights from Tennessee to IllinoisDiscover last-minute flight deals from Tennessee to Illinois. Data last updated September 17, 2026 and is based on user searches.
Discover last-minute flight deals from Tennessee to Illinois. Data last updated September 17, 2026 and is based on user searches.
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 9/179:40 am -
1 stop3h 51m
Sun 9/202:10 pm -
1 stop3h 43m
Deal found 9/15![Southern / Mokulele logo]()
$192
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 10/29:30 am -
1 stop3h 51m
Sun 10/42:00 pm -
1 stop4h 03m
Deal found 9/16![Southern / Mokulele logo]()
$171
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.
Tue 10/69:30 am -
1 stop3h 51m
Tue 10/132:00 pm -
1 stop19h 03m
Deal found 9/16![Southern / Mokulele logo]()
$212
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/116:30 pm -
1 stop18h 51m
Sun 10/182:00 pm -
1 stop4h 03m
Deal found 9/13![Southern / Mokulele logo]()
$217
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 10/136:11 pm -
1 stop21h 19m
Thu 11/128:00 am -
1 stop11h 04m
Deal found 9/14![Multiple Airlines logo]()
$206
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/149:05 am -
Nonstop1h 15m
Sat 10/177:15 pm -
Nonstop1h 15m
Deal found 9/14![Southwest logo]()
$216
This Kissandfly.com 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/159:30 am -
1 stop3h 51m
Mon 10/192:00 pm -
1 stop4h 03m
Deal found 9/13![Southern / Mokulele logo]()
$156
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 10/159:30 am -
1 stop3h 51m
Mon 10/196:35 pm -
2 stops25h 08m
Deal found 9/15![Multiple Airlines logo]()
$204
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:51 pm -
1 stop12h 40m
Thu 10/226:30 am -
1 stop12h 44m
Deal found 9/16![Frontier logo]()
$212
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/175:31 pm -
1 stop5h 42m
Mon 10/192:00 pm -
1 stop4h 03m
Deal found 9/14![Multiple Airlines logo]()
$187
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/175:31 pm -
1 stop5h 42m
Mon 10/194:30 pm -
1 stop27h 13m
Deal found 9/16![Frontier logo]()
$200
This Southern / Mokulele 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 Southern / Mokulele is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/229:30 am -
1 stop3h 51m
Mon 10/262:00 pm -
1 stop4h 03m
Deal found 9/16![Southern / Mokulele logo]()
$172
One-way flights from Tennessee to IllinoisSearch for one-way flight options from Tennessee to Illinois. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
Search for one-way flight options from Tennessee to Illinois. 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 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/301:04 pm -
Nonstop1h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Allegiant Air logo]()
$56
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/163:08 pm -
Nonstop1h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Allegiant Air logo]()
$62
This Kissandfly.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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/249:30 am -
1 stop3h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Southern / Mokulele logo]()
$76
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 10/159:30 am -
1 stop3h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Southern / Mokulele logo]()
$82
This Southern / Mokulele 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 Southern / Mokulele is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/139:30 am -
1 stop3h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Southern / Mokulele logo]()
$83
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 10/137:04 pm -
1 stop21h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$83
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/126:04 pm -
1 stop6h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$92
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 10/136:11 pm -
1 stop21h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$92
This Southern / Mokulele 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 Southern / Mokulele is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/239:30 am -
1 stop3h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Southern / Mokulele logo]()
$93
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/175:31 pm -
1 stop5h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$96
This Flightnetwork 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/21:02 pm -
Nonstop1h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Allegiant Air logo]()
$98
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 10/163:54 pm -
1 stop7h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Multiple Airlines logo]()
$102
Find flight deals from Tennessee to Illinois
Keep the following information in mind while searching for Tennessee to Illinois flight deals. Data was last updated September 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $156 (Kissandfly.com) |
One-way from | $56 (Kiwi.com) |
Popular in | January |
Cheapest in | October |
Average price | $292 |
Good round-trip deal | $84 or less |
Good one-way deal | $47 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Tennessee to Illinois 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 Tennessee to Illinois that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
NashvilleSt. Louis
BNA Nashville Intl - STL Lambert-St Louis
BNASTL
Nashville Intl
Wed 12/9
9:30 am-4:01 pm
1 stop6h 31m
Lambert-St Louis
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$82
NashvilleSt. Louis
BNA Nashville Intl - STL Lambert-St Louis
BNASTL
Nashville Intl
Thu 10/8
9:30 am-1:21 pm
1 stop3h 51m
Lambert-St Louis
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$83
NashvilleSt. Louis
BNA Nashville Intl - STL Lambert-St Louis
BNASTL
Nashville Intl
Fri 10/9
9:30 am-1:21 pm
1 stop3h 51m
Lambert-St Louis
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$83
NashvilleSt. Louis
BNA Nashville Intl - STL Lambert-St Louis
BNASTL
Nashville Intl
Tue 10/13
9:30 am-1:21 pm
1 stop3h 51m
Lambert-St Louis
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$83
NashvilleSt. Louis
BNA Nashville Intl - STL Lambert-St Louis
BNASTL
Nashville Intl
Fri 10/16
9:30 am-1:21 pm
1 stop3h 51m
Lambert-St Louis
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$83
NashvilleSt. Louis
BNA Nashville Intl - STL Lambert-St Louis
BNASTL
Nashville Intl
Mon 11/9
9:30 am-1:21 pm
1 stop3h 51m
Lambert-St Louis
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$83
NashvilleSt. Louis
BNA Nashville Intl - STL Lambert-St Louis
BNASTL
Nashville Intl
Wed 10/14
9:30 am-1:21 pm
1 stop3h 51m
Lambert-St Louis
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$83
NashvilleSt. Louis
BNA Nashville Intl - STL Lambert-St Louis
BNASTL
Nashville Intl
Wed 9/23
9:30 am-1:21 pm
1 stop3h 51m
Lambert-St Louis
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$93
KnoxvilleChicago
TYS Knoxville McGhee Tyson - MDW Chicago Midway
TYSMDW
Knoxville McGhee Tyson
Sat 10/31
6:40 am-10:20 am
1 stop4h 40m
Chicago Midway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$106
KnoxvilleChicago
TYS Knoxville McGhee Tyson - MDW Chicago Midway
TYSMDW
Knoxville McGhee Tyson
Sat 12/5
2:50 pm-7:35 pm
1 stop5h 45m
Chicago Midway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$106
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Tennessee to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois from Tennessee with our price prediction graph.
BNA-STL
MEM-ORD
BNA-ORD
TRI-ORD
BNA-MDW
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 Tennessee to Illinois
USTN-USIL
BNA-STL
MEM-ORD
BNA-ORD
TRI-ORD
What is the cheapest month to book a flight from Tennessee to Illinois?
Currently, January is the cheapest month in which you can book a flight from Tennessee to Illinois (average of $278). Flying from Tennessee to Illinois in July is currently the most expensive (average of $369). 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 TN to IL?
Find hourly flight availability from Tennessee to Illinois. 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 optimal to fly from Tennessee to Illinois in the morning. By choosing this option you can save up to 28% on the cost of your flight, compared to a flight at noon.
Weekly flight availability from Tennessee to Illinois
Explore weekly flight availability from Tennessee to Illinois. 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 17, 2026.
The most flights from USTN to USIL are scheduled on a Wednesday (67 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (31 on average).
How much does it cost to fly round-trip from Tennessee to Illinois?
Airfare is below average for this route at the moment.
Tennessee to Illinois flights typically cost between $235 and $413 in October.The cheapest round-trip price found within the last 5 days was $219 on United Airlines (Oct 14-Oct 21).
How far ahead should I book a flight from Tennessee to Illinois?
The price you pay for your flight from Tennessee to Illinois may vary depending on when you book. For the best chance of a lower fare, look to book 53 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest day to fly from Tennessee to Illinois?
Use this chart to determine the cheapest time to fly round-trip from Tennessee to Illinois. Price data was last updated on September 12, 2026.
Travelers seeking maximum savings on their Tennessee to Illinois flight should consider departing on Wednesday mornings when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Illinois
Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated September 17, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andUnited Airlines from Tennessee to Illinois to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Comfort
8.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Food
7.0
Comfort
8.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Food
7.0
Comfort
8.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Food
7.0
Comfort
8.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Food
7.0
Comfort
8.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Food
7.0
Comfort
8.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Related info for your journey
Find useful and relevant information for your journey from Tennessee to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Tennessee to Illinois
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Illinois by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Tennessee to Illinois by cabin class
Find flights from Tennessee to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Tennessee and Illinois flights
Browse other Tennessee and Illinois flight options. Last updated on September 17, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Illinois
Find the right flight back to Tennessee after your stay in Illinois
Tennessee to Illinois flights
Consider these flights traveling from Tennessee to Illinois.
Top 8 airlines flying from Tennessee to Illinois
Discover the top 8 airlines that operate flights from Tennessee to Illinois. 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 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$55 | Average$130 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$65 | Average$112 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$97 | Average$343 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$157 | Average$332 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$157 | Average$210 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$167 | Average$348 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$189 | Average$229 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$208 | Average$337 | FlexibilityNo cancel fee | On-timeN/A |