$48+ Cheap flights from Illinois to Tennessee
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/16. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BNA
Jul 18 — Jul 251
Round-trip
1 adult, Economy
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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 June 18, 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 June 18, 2026.
This Southwest deal was found by Cheapflights users on 6/16. 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.
Wed 7/810:15 am
STL
- BNA
Nonstop1h 10m
Southwest
Tue 7/149:45 pm
BNA
- STL
Nonstop1h 20m
Southwest
Deal found 6/16![Southwest logo]()
$109
This Southwest deal was found by Cheapflights users on 6/16. 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.
Tue 9/2210:45 am
STL
- BNA
2 stops5h 15m
Southwest
Tue 10/136:30 am
BNA
- STL
Nonstop1h 15m
Southwest
Deal found 6/16![Southwest logo]()
$124
This Cheapflightsfares deal was found by Cheapflights users on 6/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/52:48 pm
MDW
- TYS
Nonstop1h 30m
Allegiant Air
Thu 7/91:22 pm
TYS
- MDW
Nonstop1h 36m
Allegiant Air
Deal found 6/13![Allegiant Air logo]()
$132
This Cheapflightsfares deal was found by Cheapflights users on 6/17. 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.
Thu 8/62:49 pm
MDW
- TYS
Nonstop1h 30m
Allegiant Air
Sun 8/91:23 pm
TYS
- MDW
Nonstop1h 36m
Allegiant Air
Deal found 6/17![Allegiant Air logo]()
$139
This SmartFares deal was found by Cheapflights users on 6/15. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/92:00 pm
STL
- BNA
1 stop4h 03m
Southern / Mokulele
Mon 7/139:30 am
BNA
- STL
1 stop3h 51m
Southern / Mokulele
Deal found 6/15![Southern / Mokulele logo]()
$150
This Southwest deal was found by Cheapflights users on 6/13. 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 8/57:15 am
STL
- BNA
Nonstop1h 10m
Southwest
Sat 8/87:00 am
BNA
- STL
Nonstop1h 15m
Southwest
Deal found 6/13![Southwest logo]()
$152
This Cheapflightsfares deal was found by Cheapflights users on 6/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/302:48 pm
MDW
- TYS
Nonstop1h 30m
Allegiant Air
Thu 8/61:23 pm
TYS
- MDW
Nonstop1h 36m
Allegiant Air
Deal found 6/15![Allegiant Air logo]()
$154
This Cheapflightsfares deal was found by Cheapflights users on 6/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/192:48 pm
MDW
- TYS
Nonstop1h 30m
Allegiant Air
Thu 7/231:22 pm
TYS
- MDW
Nonstop1h 36m
Allegiant Air
Deal found 6/14![Allegiant Air logo]()
$155
This Southwest deal was found by Cheapflights users on 6/17. 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 7/289:40 pm
MDW
- MEM
Nonstop1h 45m
Southwest
Wed 7/295:20 am
MEM
- MDW
Nonstop1h 35m
Southwest
Deal found 6/17![Southwest logo]()
$157
This Delta deal was found by Cheapflights users on 6/13. 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.
Tue 7/146:58 pm
STL
- BNA
1 stop4h 17m
Delta
Tue 7/214:31 pm
BNA
- STL
1 stop5h 44m
Delta
Deal found 6/13![Delta logo]()
$157
This United Airlines deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/289:20 pm
ORD
- MEM
Nonstop2h 01m
United Airlines
Wed 7/296:35 pm
MEM
- ORD
Nonstop2h 05m
United Airlines
Deal found 6/16![United Airlines logo]()
$157
This American Airlines deal was found by Cheapflights users on 6/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2810:30 pm
ORD
- MEM
Nonstop1h 48m
American Airlines
Wed 7/296:20 am
MEM
- ORD
Nonstop2h 09m
American Airlines
Deal found 6/17![American Airlines logo]()
$158
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 June 18, 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 June 18, 2026.
This Southwest deal was found by Cheapflights users on 6/14. 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 7/81:45 pm
STL
- BNA
Nonstop1h 10m
Southwest
Tue 7/149:45 pm
BNA
- STL
Nonstop1h 20m
Southwest
Deal found 6/14![Southwest logo]()
$109
This Southwest deal was found by Cheapflights users on 6/16. 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.
Tue 9/227:15 am
STL
- BNA
Nonstop1h 10m
Southwest
Tue 10/138:40 pm
BNA
- STL
Nonstop1h 15m
Southwest
Deal found 6/16![Southwest logo]()
$109
This United Airlines deal was found by Cheapflights users on 6/17. 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.
Tue 10/69:10 pm
ORD
- MEM
Nonstop1h 56m
United Airlines
Wed 10/77:15 am
MEM
- ORD
Nonstop2h 06m
United Airlines
Deal found 6/17![United Airlines logo]()
$227
This Southwest deal was found by Cheapflights users on 6/17. 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 11/1010:30 am
STL
- BNA
Nonstop1h 10m
Southwest
Tue 11/176:20 am
BNA
- STL
Nonstop1h 15m
Southwest
Deal found 6/17![Southwest logo]()
$109
This American Airlines deal was found by Cheapflights users on 6/13. 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.
Wed 7/13:09 pm
ORD
- CHA
Nonstop1h 49m
American Airlines
Mon 7/64:33 pm
CHA
- ORD
1 stop6h 27m
American Airlines
Deal found 6/13![American Airlines logo]()
$259
This Delta deal was found by Cheapflights users on 6/15. 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 7/35:30 am
ORD
- MEM
1 stop7h 05m
Delta
Tue 7/711:38 am
MEM
- ORD
1 stop7h 07m
Delta
Deal found 6/15![Delta logo]()
$268
This Contour deal was found by Cheapflights users on 6/14. 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.
Thu 10/812:30 pm
ORD
- BNA
1 stop3h 40m
Contour
Sun 10/118:00 am
BNA
- ORD
1 stop3h 40m
Contour
Deal found 6/14![Contour logo]()
$285
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 8/3110:48 am
PIA
- BNA
1 stop10h 52m
Allegiant Air
Fri 9/48:43 pm
BNA
- PIA
2 stops40h 26m
Allegiant Air
Deal found 6/17![Allegiant Air logo]()
$404
This Southwest deal was found by Cheapflights users on 6/17. 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 7/285:10 am
MDW
- MEM
1 stop5h 35m
Southwest
Wed 7/298:25 am
MEM
- MDW
2 stops5h 10m
Southwest
Deal found 6/17![Southwest logo]()
$182
This Kiwi.com deal was found by Cheapflights users on 6/13. 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.
Thu 7/97:42 pm
PIA
- BNA
1 stop18h 29m
Multiple Airlines
Wed 7/155:05 pm
BNA
- PIA
2 stops42h 54m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$475
This United Airlines deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/3012:40 pm
ORD
- MEM
Nonstop2h 02m
United Airlines
Wed 7/157:25 am
MEM
- ORD
Nonstop2h 05m
United Airlines
Deal found 6/13![United Airlines logo]()
$248
This Delta deal was found by Cheapflights users on 6/13. 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.
Wed 7/82:07 pm
ORD
- TYS
1 stop6h 31m
Delta
Wed 7/225:23 pm
TYS
- ORD
1 stop4h 08m
Delta
Deal found 6/13![Delta logo]()
$269
This United Airlines deal was found by Cheapflights users on 6/15. 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 7/95:55 pm
ORD
- TYS
Nonstop1h 49m
United Airlines
Sun 7/126:00 am
TYS
- ORD
Nonstop1h 59m
United Airlines
Deal found 6/15![United Airlines logo]()
$249
This Contour deal was found by Cheapflights users on 6/14. 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.
Thu 7/2312:20 pm
ORD
- BNA
1 stop3h 50m
Contour
Mon 7/278:00 am
BNA
- ORD
1 stop3h 30m
Contour
Deal found 6/14![Contour logo]()
$285
This American Airlines deal was found by Cheapflights users on 6/13. 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 7/94:22 pm
PIA
- BNA
1 stop6h 03m
American Airlines
Wed 7/155:41 pm
BNA
- PIA
1 stop6h 41m
American Airlines
Deal found 6/13![American Airlines logo]()
$289
This Delta deal was found by Cheapflights users on 6/17. 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.
Thu 7/912:41 pm
MDW
- CHA
1 stop5h 52m
Delta
Sun 7/126:00 am
CHA
- MDW
1 stop4h 13m
Delta
Deal found 6/17![Delta logo]()
$269
This United Airlines deal was found by Cheapflights users on 6/15. 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 8/65:55 pm
ORD
- TYS
Nonstop1h 49m
United Airlines
Sun 8/96:00 am
TYS
- ORD
Nonstop1h 59m
United Airlines
Deal found 6/15![United Airlines logo]()
$249
This Southwest deal was found by Cheapflights users on 6/17. 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 8/186:40 am
MDW
- TYS
1 stop8h 50m
Southwest
Wed 8/191:55 pm
TYS
- MDW
1 stop7h 45m
Southwest
Deal found 6/17![Southwest logo]()
$237
This Delta deal was found by Cheapflights users on 6/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1012:41 pm
MDW
- CHA
1 stop5h 52m
Delta
Sun 7/126:00 am
CHA
- MDW
1 stop4h 13m
Delta
Deal found 6/18![Delta logo]()
$269
This United Airlines deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/135:55 pm
ORD
- TYS
Nonstop1h 49m
United Airlines
Mon 7/206:00 am
TYS
- ORD
Nonstop1h 59m
United Airlines
Deal found 6/13![United Airlines logo]()
$249
This American Airlines deal was found by Cheapflights users on 6/13. 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.
Wed 8/52:59 pm
ORD
- TYS
1 stop5h 35m
American Airlines
Sun 8/97:07 am
TYS
- ORD
1 stop5h 31m
American Airlines
Deal found 6/13![American Airlines logo]()
$314
This Delta deal was found by Cheapflights users on 6/17. 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 8/125:10 pm
MDW
- CHA
1 stop5h 33m
Delta
Sat 8/155:53 pm
CHA
- MDW
1 stop5h 43m
Delta
Deal found 6/17![Delta logo]()
$269
This Southwest deal was found by Cheapflights users on 6/14. 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.
Tue 6/3010:15 am
MDW
- MEM
Nonstop1h 35m
Southwest
Wed 7/155:20 am
MEM
- MDW
Nonstop1h 35m
Southwest
Deal found 6/14![Southwest logo]()
$248
This United Airlines deal was found by Cheapflights users on 6/16. 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 8/55:55 pm
ORD
- TYS
Nonstop1h 49m
United Airlines
Sat 8/86:00 am
TYS
- ORD
Nonstop1h 59m
United Airlines
Deal found 6/16![United Airlines logo]()
$249
This Delta deal was found by Cheapflights users on 6/13. 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 8/209:24 am
MDW
- CHA
1 stop3h 53m
Delta
Sat 8/225:53 pm
CHA
- MDW
1 stop5h 43m
Delta
Deal found 6/13![Delta logo]()
$269
This Southwest deal was found by Cheapflights users on 6/15. 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.
Wed 7/19:40 pm
MDW
- MEM
Nonstop1h 40m
Southwest
Wed 7/155:20 am
MEM
- MDW
Nonstop1h 35m
Southwest
Deal found 6/15![Southwest logo]()
$248
This United Airlines deal was found by Cheapflights users on 6/17. 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 7/176:55 am
ORD
- CHA
Nonstop1h 49m
United Airlines
Sun 7/196:00 am
CHA
- ORD
Nonstop1h 59m
United Airlines
Deal found 6/17![United Airlines logo]()
$249
This Delta deal was found by Cheapflights users on 6/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:05 am
MDW
- CHA
1 stop5h 21m
Delta
Wed 9/97:15 am
CHA
- MDW
1 stop4h 22m
Delta
Deal found 6/14![Delta logo]()
$269
This Southwest deal was found by Cheapflights users on 6/15. 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.
Sat 7/43:45 pm
MDW
- MEM
Nonstop1h 40m
Southwest
Wed 7/155:20 am
MEM
- MDW
Nonstop1h 35m
Southwest
Deal found 6/15![Southwest logo]()
$248
This United Airlines deal was found by Cheapflights users on 6/15. 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 7/146:55 am
ORD
- CHA
Nonstop1h 49m
United Airlines
Thu 7/236:00 am
CHA
- ORD
Nonstop1h 59m
United Airlines
Deal found 6/15![United Airlines logo]()
$249
Last-minute flights from Illinois to TennesseeDiscover last-minute flight deals from Illinois to Tennessee. Data last updated June 18, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Tennessee. Data last updated June 18, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 6/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/52:48 pm
MDW
- TYS
Nonstop1h 30m
Allegiant Air
Thu 7/91:22 pm
TYS
- MDW
Nonstop1h 36m
Allegiant Air
Deal found 6/13![Allegiant Air logo]()
$132
This Southwest deal was found by Cheapflights users on 6/16. 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.
Wed 7/810:15 am
STL
- BNA
Nonstop1h 10m
Southwest
Tue 7/149:45 pm
BNA
- STL
Nonstop1h 20m
Southwest
Deal found 6/16![Southwest logo]()
$109
This SmartFares deal was found by Cheapflights users on 6/15. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/92:00 pm
STL
- BNA
1 stop4h 03m
Southern / Mokulele
Mon 7/139:30 am
BNA
- STL
1 stop3h 51m
Southern / Mokulele
Deal found 6/15![Southern / Mokulele logo]()
$150
This Cheapflightsfares deal was found by Cheapflights users on 6/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/122:48 pm
MDW
- TYS
Nonstop1h 30m
Allegiant Air
Thu 7/161:22 pm
TYS
- MDW
Nonstop1h 36m
Allegiant Air
Deal found 6/13![Allegiant Air logo]()
$162
This Delta deal was found by Cheapflights users on 6/13. 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.
Tue 7/146:58 pm
STL
- BNA
1 stop4h 17m
Delta
Tue 7/214:31 pm
BNA
- STL
1 stop5h 44m
Delta
Deal found 6/13![Delta logo]()
$157
This United Airlines deal was found by Cheapflights users on 6/16. 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 7/159:00 am
ORD
- MEM
Nonstop2h 05m
United Airlines
Sat 7/182:22 pm
MEM
- ORD
Nonstop2h 07m
United Airlines
Deal found 6/16![United Airlines logo]()
$167
This Southwest deal was found by Cheapflights users on 6/17. 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.
Wed 7/1512:00 pm
MDW
- MEM
1 stop5h 30m
Southwest
Tue 7/215:20 am
MEM
- MDW
Nonstop1h 35m
Southwest
Deal found 6/17![Southwest logo]()
$167
This Cheapflightsfares deal was found by Cheapflights users on 6/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/192:48 pm
MDW
- TYS
Nonstop1h 30m
Allegiant Air
Thu 7/231:22 pm
TYS
- MDW
Nonstop1h 36m
Allegiant Air
Deal found 6/14![Allegiant Air logo]()
$155
This United Airlines deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/289:20 pm
ORD
- MEM
Nonstop2h 01m
United Airlines
Wed 7/296:35 pm
MEM
- ORD
Nonstop2h 05m
United Airlines
Deal found 6/16![United Airlines logo]()
$157
This Southwest deal was found by Cheapflights users on 6/17. 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 7/289:40 pm
MDW
- MEM
Nonstop1h 45m
Southwest
Wed 7/295:20 am
MEM
- MDW
Nonstop1h 35m
Southwest
Deal found 6/17![Southwest logo]()
$157
This American Airlines deal was found by Cheapflights users on 6/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2810:30 pm
ORD
- MEM
Nonstop1h 48m
American Airlines
Wed 7/296:20 am
MEM
- ORD
Nonstop2h 09m
American Airlines
Deal found 6/17![American Airlines logo]()
$158
This Cheapflightsfares deal was found by Cheapflights users on 6/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/302:48 pm
MDW
- TYS
Nonstop1h 30m
Allegiant Air
Thu 8/61:23 pm
TYS
- MDW
Nonstop1h 36m
Allegiant Air
Deal found 6/15![Allegiant Air logo]()
$154
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 June 18, 2026.
Search for one-way flight options from Illinois to Tennessee. Find affordable one-way fares based on user searches. Data last updated June 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/14. 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.
Sun 8/162:49 pm
MDW
- TYS
Nonstop1h 30m
Allegiant Air
Deal found 6/14![Allegiant Air logo]()
$48
This Southwest deal was found by Cheapflights users on 6/18. 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.
Tue 7/1410:15 am
STL
- BNA
Nonstop1h 10m
Southwest
Deal found 6/18![Southwest logo]()
$55
This Kiwi.com deal was found by Cheapflights users on 6/17. 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.
Thu 7/232:48 pm
MDW
- TYS
Nonstop1h 30m
Allegiant Air
Deal found 6/17![Allegiant Air logo]()
$60
This Kiwi.com deal was found by Cheapflights users on 6/17. 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.
Thu 7/302:48 pm
MDW
- TYS
Nonstop1h 30m
Allegiant Air
Deal found 6/17![Allegiant Air logo]()
$64
This Cheapflightsfares deal was found by Cheapflights users on 6/17. 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.
Thu 8/62:49 pm
MDW
- TYS
Nonstop1h 30m
Allegiant Air
Deal found 6/17![Allegiant Air logo]()
$67
This Southwest deal was found by Cheapflights users on 6/17. 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.
Wed 8/126:30 am
STL
- BNA
2 stops5h 40m
Southwest
Deal found 6/17![Southwest logo]()
$70
This Kiwi.com deal was found by Cheapflights users on 6/17. 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.
Thu 7/92:48 pm
MDW
- TYS
Nonstop1h 30m
Allegiant Air
Deal found 6/17![Allegiant Air logo]()
$72
This Delta deal was found by Cheapflights users on 6/16. 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 8/129:15 am
STL
- BNA
1 stop5h 33m
Delta
Deal found 6/16![Delta logo]()
$74
This Delta deal was found by Cheapflights users on 6/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/97:20 am
STL
- BNA
1 stop3h 49m
Delta
Deal found 6/14![Delta logo]()
$79
This Southwest deal was found by Cheapflights users on 6/18. 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.
Wed 7/1510:15 am
MDW
- MEM
Nonstop1h 35m
Southwest
Deal found 6/18![Southwest logo]()
$79
This American Airlines deal was found by Cheapflights users on 6/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1410:30 pm
ORD
- MEM
Nonstop1h 48m
American Airlines
Deal found 6/18![American Airlines logo]()
$79
This Kiwi.com deal was found by Cheapflights users on 6/14. 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.
Wed 7/88:05 am
ORD
- CHA
1 stop23h 04m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$81
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 June 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $109 (Southwest) |
One-way from | $48 (Kiwi.com) |
Popular in | February |
Cheapest in | December |
Average price | $345 |
Good round-trip deal | $94 or less |
Good one-way deal | $56 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 2,558,603 searches. Data last updated June 18, 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 - BNA
STLBNA
Lambert-St Louis
Wed 7/8
1:45 pm-2:55 pm
Nonstop1h 10m
Nashville Intl
Tue 7/14
9:45 pm-11:05 pm
Nonstop1h 20m
$109
Quickest round-trip
St. LouisNashville
STL - BNA
STLBNA
Lambert-St Louis
Tue 9/22
7:15 am-8:25 am
Nonstop1h 10m
Nashville Intl
Tue 10/13
8:40 pm-9:55 pm
Nonstop1h 15m
$109
St. LouisNashville
STL - BNA
STLBNA
Lambert-St Louis
Tue 11/10
10:30 am-11:40 am
Nonstop1h 10m
Nashville Intl
Tue 11/17
6:20 am-7:35 am
Nonstop1h 15m
$109
ChicagoMemphis
MDW - MEM
MDWMEM
Chicago Midway
Tue 7/28
5:10 am-10:45 am
1 stop5h 35m
Memphis
Wed 7/29
8:25 am-1:35 pm
2 stops5h 10m
$182
ChicagoMemphis
ORD - MEM
ORDMEM
Chicago O'Hare Intl
Tue 10/6
9:10 pm-11:06 pm
Nonstop1h 56m
Memphis
Wed 10/7
7:15 am-9:21 am
Nonstop2h 06m
$227
ChicagoKnoxville
MDW - TYS
MDWTYS
Chicago Midway
Tue 8/18
6:40 am-4:30 pm
1 stop8h 50m
Knoxville McGhee Tyson
Wed 8/19
1:55 pm-8:40 pm
1 stop7h 45m
$237
ChicagoMemphis
ORD - MEM
ORDMEM
Chicago O'Hare Intl
Tue 6/30
12:40 pm-2:42 pm
Nonstop2h 02m
Memphis
Wed 7/15
7:25 am-9:30 am
Nonstop2h 05m
$248
ChicagoMemphis
MDW - MEM
MDWMEM
Chicago Midway
Tue 6/30
10:15 am-11:50 am
Nonstop1h 35m
Memphis
Wed 7/15
5:20 am-6:55 am
Nonstop1h 35m
$248
ChicagoMemphis
MDW - MEM
MDWMEM
Chicago Midway
Wed 7/1
9:40 pm-11:20 pm
Nonstop1h 40m
Memphis
Wed 7/15
5:20 am-6:55 am
Nonstop1h 35m
$248
ChicagoMemphis
MDW - MEM
MDWMEM
Chicago Midway
Sat 7/4
3:45 pm-5:25 pm
Nonstop1h 40m
Memphis
Wed 7/15
5:20 am-6:55 am
Nonstop1h 35m
$248
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
MDW-TYS
MDW-MEM
ORD-MEM
ORD-CHA
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
MDW-TYS
MDW-MEM
ORD-MEM
What is the cheapest month to book a flight from Illinois to Tennessee?
Currently, December is the cheapest month in which you can book a flight from Illinois to Tennessee (average of $64). Flying from Illinois to Tennessee in February is currently the most expensive (average of $469). 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 June 18, 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 12% 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 June 18, 2026.
The most flights from USIL to USTN are scheduled on a Monday (60 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (19 on average).
How much does it cost to fly round-trip from Illinois to Tennessee?
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 80 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 Thursday afternoons 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 June 18, 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.
Overall
7.9
Comfort
8.0
Boarding
8.1
Food
7.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Overall
7.9
Comfort
8.0
Boarding
8.1
Food
7.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Overall
7.9
Comfort
8.0
Boarding
8.1
Food
7.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Overall
7.9
Comfort
8.0
Boarding
8.1
Food
7.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Overall
7.9
Comfort
8.0
Boarding
8.1
Food
7.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Overall
7.9
Comfort
8.0
Boarding
8.1
Food
7.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
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
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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 June 18, 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 8 airlines flying from Illinois to Tennessee
Discover the top 8 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 2,558,603 searches. Data last updated June 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$48 | Average$117 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$75 | Average$122 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$97 | Average$319 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$117 | Average$356 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$124 | Average$207 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$137 | Average$355 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$188 | Average$217 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$248 | Average$376 | FlexibilityNo cancel fee | On-timeN/A |