$52+ 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 5/28. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BNA
Apr 16 — Apr 231
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 March 17, 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 March 17, 2026.
This Southwest deal was found by Cheapflights users on 3/16. 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 4/72:30 pm
STL
- BNA
Nonstop1h 10m
Southwest
Tue 4/78:40 pm
BNA
- STL
Nonstop1h 20m
Southwest
Deal found 3/16![Southwest logo]()
$117
This Southwest deal was found by Cheapflights users on 3/16. 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.
Mon 4/138:45 pm
STL
- BNA
Nonstop1h 10m
Southwest
Tue 4/146:25 am
BNA
- STL
Nonstop1h 20m
Southwest
Deal found 3/16![Southwest logo]()
$137
This Southwest deal was found by Cheapflights users on 3/14. 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 4/117:05 am
STL
- BNA
Nonstop1h 10m
Southwest
Sat 4/187:45 am
BNA
- STL
1 stop4h 15m
Southwest
Deal found 3/14![Southwest logo]()
$146
This Southwest deal was found by Cheapflights users on 3/16. 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.
Mon 4/134:10 pm
STL
- BNA
1 stop4h 55m
Southwest
Mon 4/209:55 pm
BNA
- STL
Nonstop1h 20m
Southwest
Deal found 3/16![Southwest logo]()
$147
This Southwest deal was found by Cheapflights users on 3/14. 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 4/77:35 am
STL
- BNA
Nonstop1h 10m
Southwest
Tue 4/1412:40 pm
BNA
- STL
2 stops5h 15m
Southwest
Deal found 3/14![Southwest logo]()
$152
This Trip.com deal was found by Cheapflights users on 3/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/29:50 am
STL
- BNA
1 stop3h 58m
Southern / Mokulele
Sun 4/52:35 pm
BNA
- STL
1 stop4h 01m
Southern / Mokulele
Deal found 3/15![Southern / Mokulele logo]()
$153
This Trip.com deal was found by Cheapflights users on 3/14. 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.
Thu 4/29:50 am
STL
- BNA
1 stop3h 58m
Southern / Mokulele
Sun 4/122:35 pm
BNA
- STL
1 stop4h 01m
Southern / Mokulele
Deal found 3/14![Southern / Mokulele logo]()
$154
This Southwest deal was found by Cheapflights users on 3/16. 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.
Fri 4/173:45 pm
STL
- BNA
1 stop4h 30m
Southwest
Mon 4/206:30 pm
BNA
- STL
1 stop5h 25m
Southwest
Deal found 3/16![Southwest logo]()
$157
This Delta deal was found by Cheapflights users on 3/16. 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.
Mon 4/205:21 pm
MDW
- MEM
1 stop6h 05m
Delta
Tue 4/215:15 am
MEM
- MDW
1 stop6h 52m
Delta
Deal found 3/16![Delta logo]()
$197
This Southwest deal was found by Cheapflights users on 3/13. 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.
Tue 4/711:55 am
ORD
- MEM
1 stop5h 40m
Southwest
Thu 4/97:45 am
MEM
- ORD
1 stop5h 05m
Southwest
Deal found 3/13![Southwest logo]()
$197
This Southwest deal was found by Cheapflights users on 3/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/257:45 am
MDW
- MEM
1 stop6h 15m
Southwest
Wed 4/295:15 am
MEM
- MDW
Nonstop1h 35m
Southwest
Deal found 3/12![Southwest logo]()
$198
This Southwest deal was found by Cheapflights users on 3/14. 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.
Thu 4/92:40 pm
ORD
- MEM
1 stop8h 20m
Southwest
Mon 6/19:35 am
MEM
- ORD
1 stop5h 55m
Southwest
Deal found 3/14![Southwest logo]()
$202
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 March 17, 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 March 17, 2026.
This Southwest deal was found by Cheapflights users on 3/16. 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 4/72:30 pm
STL
- BNA
Nonstop1h 10m
Southwest
Tue 4/78:40 pm
BNA
- STL
Nonstop1h 20m
Southwest
Deal found 3/16![Southwest logo]()
$117
This Delta deal was found by Cheapflights users on 3/17. 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 4/174:41 pm
STL
- BNA
1 stop6h 43m
Delta
Mon 4/207:40 pm
BNA
- STL
1 stop3h 56m
Delta
Deal found 3/17![Delta logo]()
$157
This Kiwi.com deal was found by Cheapflights users on 3/17. 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 4/99:50 am
STL
- BNA
1 stop3h 58m
Southern / Mokulele
Sun 4/122:35 pm
BNA
- STL
1 stop4h 01m
Southern / Mokulele
Deal found 3/17![Southern / Mokulele logo]()
$171
This United Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/73:45 pm
ORD
- MEM
Nonstop2h 02m
United Airlines
Wed 4/82:45 pm
MEM
- ORD
Nonstop2h 03m
United Airlines
Deal found 3/12![United Airlines logo]()
$217
This Southwest deal was found by Cheapflights users on 3/13. 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.
Fri 4/32:35 pm
STL
- BNA
Nonstop1h 10m
Southwest
Mon 4/66:25 am
BNA
- STL
Nonstop1h 20m
Southwest
Deal found 3/13![Southwest logo]()
$137
This Southwest deal was found by Cheapflights users on 3/14. 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 4/47:35 am
STL
- BNA
Nonstop1h 10m
Southwest
Mon 4/66:25 am
BNA
- STL
Nonstop1h 20m
Southwest
Deal found 3/14![Southwest logo]()
$137
This American Airlines deal was found by Cheapflights users on 3/16. 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.
Sun 5/103:48 pm
MLI
- BNA
1 stop6h 35m
American Airlines
Sat 5/165:14 am
BNA
- MLI
2 stops7h 05m
American Airlines
Deal found 3/16![American Airlines logo]()
$314
This Southwest deal was found by Cheapflights users on 3/15. 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 4/292:30 pm
STL
- BNA
Nonstop1h 10m
Southwest
Wed 5/68:40 pm
BNA
- STL
Nonstop1h 20m
Southwest
Deal found 3/15![Southwest logo]()
$137
This KAYAK deal was found by Cheapflights users on 3/12. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/209:50 am
STL
- BNA
1 stop3h 58m
Southern / Mokulele
Tue 4/212:35 pm
BNA
- STL
1 stop4h 01m
Southern / Mokulele
Deal found 3/12![Southern / Mokulele logo]()
$172
This Southwest deal was found by Cheapflights users on 3/15. 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.
Mon 4/202:10 pm
STL
- BNA
Nonstop1h 10m
Southwest
Wed 4/2212:40 pm
BNA
- STL
2 stops5h 15m
Southwest
Deal found 3/15![Southwest logo]()
$152
This Delta deal was found by Cheapflights users on 3/14. 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.
Fri 5/155:41 pm
ORD
- MEM
1 stop4h 39m
Delta
Mon 5/186:35 am
MEM
- ORD
1 stop6h 25m
Delta
Deal found 3/14![Delta logo]()
$217
This United Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/28:50 am
ORD
- MEM
Nonstop2h 04m
United Airlines
Mon 4/67:30 am
MEM
- ORD
Nonstop1h 56m
United Airlines
Deal found 3/12![United Airlines logo]()
$219
This Southwest deal was found by Cheapflights users on 3/13. 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.
Mon 4/275:40 am
STL
- BNA
1 stop3h 50m
Southwest
Mon 5/46:20 pm
BNA
- STL
1 stop5h 20m
Southwest
Deal found 3/13![Southwest logo]()
$157
This Delta deal was found by Cheapflights users on 3/15. 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.
Sat 5/93:47 pm
ORD
- MEM
1 stop6h 33m
Delta
Mon 5/116:35 am
MEM
- ORD
1 stop6h 26m
Delta
Deal found 3/15![Delta logo]()
$217
This United Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/179:30 pm
ORD
- CHA
Nonstop1h 53m
United Airlines
Mon 4/208:30 am
CHA
- ORD
Nonstop2h 13m
United Airlines
Deal found 3/12![United Airlines logo]()
$229
This Delta deal was found by Cheapflights users on 3/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/205:21 pm
MDW
- MEM
1 stop6h 05m
Delta
Tue 4/215:15 am
MEM
- MDW
1 stop4h 41m
Delta
Deal found 3/12![Delta logo]()
$228
This United Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/36:05 pm
ORD
- CHA
Nonstop1h 49m
United Airlines
Thu 4/98:30 am
CHA
- ORD
Nonstop2h 13m
United Airlines
Deal found 3/12![United Airlines logo]()
$229
This United Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/39:30 pm
ORD
- CHA
Nonstop1h 53m
United Airlines
Wed 4/86:30 am
CHA
- ORD
Nonstop2h 09m
United Airlines
Deal found 3/12![United Airlines logo]()
$229
This Southwest deal was found by Cheapflights users on 3/14. 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 4/259:05 am
MDW
- MEM
1 stop6h 40m
Southwest
Tue 4/2812:20 pm
MEM
- MDW
2 stops7h 50m
Southwest
Deal found 3/14![Southwest logo]()
$202
This Delta deal was found by Cheapflights users on 3/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/97:10 am
ORD
- CHA
1 stop5h 59m
Delta
Thu 4/167:10 am
CHA
- ORD
1 stop4h 09m
Delta
Deal found 3/12![Delta logo]()
$249
This United Airlines deal was found by Cheapflights users on 3/17. 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 5/159:35 pm
ORD
- MEM
Nonstop2h 13m
United Airlines
Mon 5/189:02 am
MEM
- ORD
Nonstop1h 58m
United Airlines
Deal found 3/17![United Airlines logo]()
$237
This Southwest deal was found by Cheapflights users on 3/15. 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 4/259:05 am
MDW
- MEM
1 stop6h 40m
Southwest
Wed 4/2912:20 pm
MEM
- MDW
2 stops7h 40m
Southwest
Deal found 3/15![Southwest logo]()
$202
This Southwest deal was found by Cheapflights users on 3/17. 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.
Fri 5/156:00 am
MDW
- MEM
1 stop7h 50m
Southwest
Mon 5/1812:30 pm
MEM
- MDW
2 stops7h 35m
Southwest
Deal found 3/17![Southwest logo]()
$202
This Delta deal was found by Cheapflights users on 3/15. 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.
Thu 4/96:00 am
MDW
- CHA
1 stop6h 10m
Delta
Sun 4/127:30 am
CHA
- MDW
1 stop5h 59m
Delta
Deal found 3/15![Delta logo]()
$269
This United Airlines deal was found by Cheapflights users on 3/14. 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.
Sat 6/136:07 pm
ORD
- TYS
Nonstop1h 49m
United Airlines
Wed 6/176:30 am
TYS
- ORD
Nonstop1h 59m
United Airlines
Deal found 3/14![United Airlines logo]()
$249
This Southwest deal was found by Cheapflights users on 3/15. 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.
Mon 4/132:40 pm
ORD
- MEM
1 stop8h 20m
Southwest
Mon 4/206:10 am
MEM
- ORD
1 stop8h 50m
Southwest
Deal found 3/15![Southwest logo]()
$202
This Delta deal was found by Cheapflights users on 3/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/109:35 am
MDW
- CHA
1 stop3h 34m
Delta
Mon 4/137:51 pm
CHA
- MDW
1 stop3h 37m
Delta
Deal found 3/12![Delta logo]()
$269
This United Airlines deal was found by Cheapflights users on 3/14. 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.
Fri 5/82:05 pm
ORD
- TYS
Nonstop1h 49m
United Airlines
Sat 5/235:57 pm
TYS
- ORD
Nonstop2h 02m
United Airlines
Deal found 3/14![United Airlines logo]()
$249
This Southwest deal was found by Cheapflights users on 3/14. 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 4/1112:15 pm
ORD
- MEM
1 stop8h 35m
Southwest
Sat 4/185:25 am
MEM
- ORD
2 stops8h 55m
Southwest
Deal found 3/14![Southwest logo]()
$202
This Delta deal was found by Cheapflights users on 3/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/89:35 am
MDW
- CHA
1 stop3h 34m
Delta
Sat 4/117:30 am
CHA
- MDW
1 stop5h 59m
Delta
Deal found 3/12![Delta logo]()
$269
Last-minute flights from Illinois to TennesseeDiscover last-minute flight deals from Illinois to Tennessee. Data last updated March 17, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Tennessee. Data last updated March 17, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 3/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/29:50 am
STL
- BNA
1 stop3h 58m
Southern / Mokulele
Sun 4/52:35 pm
BNA
- STL
1 stop4h 01m
Southern / Mokulele
Deal found 3/15![Southern / Mokulele logo]()
$153
This Trip.com deal was found by Cheapflights users on 3/14. 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.
Thu 4/29:50 am
STL
- BNA
1 stop3h 58m
Southern / Mokulele
Sun 4/122:35 pm
BNA
- STL
1 stop4h 01m
Southern / Mokulele
Deal found 3/14![Southern / Mokulele logo]()
$154
This Southwest deal was found by Cheapflights users on 3/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/69:35 pm
MDW
- MEM
Nonstop1h 45m
Southwest
Wed 4/86:35 am
MEM
- MDW
1 stop7h 40m
Southwest
Deal found 3/12![Southwest logo]()
$198
This Southwest deal was found by Cheapflights users on 3/16. 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 4/72:30 pm
STL
- BNA
Nonstop1h 10m
Southwest
Tue 4/78:40 pm
BNA
- STL
Nonstop1h 20m
Southwest
Deal found 3/16![Southwest logo]()
$117
This Southwest deal was found by Cheapflights users on 3/14. 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 4/77:35 am
STL
- BNA
Nonstop1h 10m
Southwest
Tue 4/1412:40 pm
BNA
- STL
2 stops5h 15m
Southwest
Deal found 3/14![Southwest logo]()
$152
This Southwest deal was found by Cheapflights users on 3/13. 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.
Tue 4/711:55 am
ORD
- MEM
1 stop5h 40m
Southwest
Thu 4/97:45 am
MEM
- ORD
1 stop5h 05m
Southwest
Deal found 3/13![Southwest logo]()
$197
This Southwest deal was found by Cheapflights users on 3/14. 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.
Thu 4/92:40 pm
ORD
- MEM
1 stop8h 20m
Southwest
Mon 4/136:10 am
MEM
- ORD
1 stop8h 50m
Southwest
Deal found 3/14![Southwest logo]()
$202
This Southwest deal was found by Cheapflights users on 3/14. 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 4/117:05 am
STL
- BNA
Nonstop1h 10m
Southwest
Sat 4/187:45 am
BNA
- STL
1 stop4h 15m
Southwest
Deal found 3/14![Southwest logo]()
$146
This Southwest deal was found by Cheapflights users on 3/16. 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.
Mon 4/138:45 pm
STL
- BNA
Nonstop1h 10m
Southwest
Tue 4/146:25 am
BNA
- STL
Nonstop1h 20m
Southwest
Deal found 3/16![Southwest logo]()
$137
This Southwest deal was found by Cheapflights users on 3/16. 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.
Mon 4/134:10 pm
STL
- BNA
1 stop4h 55m
Southwest
Mon 4/209:55 pm
BNA
- STL
Nonstop1h 20m
Southwest
Deal found 3/16![Southwest logo]()
$147
This Southwest deal was found by Cheapflights users on 3/16. 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.
Fri 4/173:45 pm
STL
- BNA
1 stop4h 30m
Southwest
Mon 4/206:30 pm
BNA
- STL
1 stop5h 25m
Southwest
Deal found 3/16![Southwest logo]()
$157
This Delta deal was found by Cheapflights users on 3/16. 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.
Mon 4/205:21 pm
MDW
- MEM
1 stop6h 05m
Delta
Tue 4/215:15 am
MEM
- MDW
1 stop6h 52m
Delta
Deal found 3/16![Delta logo]()
$197
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 March 17, 2026.
Search for one-way flight options from Illinois to Tennessee. Find affordable one-way fares based on user searches. Data last updated March 17, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 3/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/282:47 pm
MDW
- TYS
Nonstop1h 26m
Allegiant Air
Deal found 3/16![Allegiant Air logo]()
$52
This Cheapflightsfares deal was found by Cheapflights users on 3/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/212:47 pm
MDW
- TYS
Nonstop1h 26m
Allegiant Air
Deal found 3/16![Allegiant Air logo]()
$67
This Southwest deal was found by Cheapflights users on 3/14. 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.
Mon 4/138:45 pm
STL
- BNA
Nonstop1h 10m
Southwest
Deal found 3/14![Southwest logo]()
$69
This American Airlines deal was found by Cheapflights users on 3/12. 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.
Tue 4/287:10 am
ORD
- MEM
Nonstop1h 59m
American Airlines
Deal found 3/12![American Airlines logo]()
$79
This Southwest deal was found by Cheapflights users on 3/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/289:05 pm
MDW
- MEM
Nonstop1h 45m
Southwest
Deal found 3/12![Southwest logo]()
$79
This Trip.com deal was found by Cheapflights users on 3/14. 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.
Mon 3/239:50 am
STL
- BNA
1 stop3h 58m
Southern / Mokulele
Deal found 3/14![Southern / Mokulele logo]()
$79
This Delta deal was found by Cheapflights users on 3/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/144:41 pm
STL
- BNA
1 stop6h 15m
Delta
Deal found 3/12![Delta logo]()
$84
This Kiwi.com deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/151:27 pm
ORD
- CHA
1 stop30h 03m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$84
This Southwest deal was found by Cheapflights users on 3/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/112:10 pm
STL
- BNA
Nonstop1h 10m
Southwest
Deal found 3/12![Southwest logo]()
$86
This Kiwi.com deal was found by Cheapflights users on 3/13. 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.
Mon 5/119:50 am
STL
- BNA
1 stop3h 58m
Southern / Mokulele
Deal found 3/13![Southern / Mokulele logo]()
$88
This Kiwi.com deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/256:36 pm
ORD
- CHA
1 stop25h 10m
Multiple Airlines
Deal found 3/12![Multiple Airlines logo]()
$88
This Southwest deal was found by Cheapflights users on 3/16. 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 4/1511:55 am
ORD
- MEM
1 stop5h 40m
Southwest
Deal found 3/16![Southwest logo]()
$89
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 March 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $117 (Southwest) |
One-way from | $52 (Cheapflightsfares) |
Popular in | February |
Cheapest in | December |
Average price | $302 |
Good round-trip deal | $106 or less |
Good one-way deal | $76 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 March 17, 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
Quickest round-trip
St. LouisNashville
STL - BNA
STLBNA
Lambert-St Louis
Tue 4/7
2:30 pm-3:40 pm
Nonstop1h 10m
Nashville Intl
Tue 4/7
8:40 pm-10:00 pm
Nonstop1h 20m
$117
St. LouisNashville
STL - BNA
STLBNA
Lambert-St Louis
Fri 4/3
2:35 pm-3:45 pm
Nonstop1h 10m
Nashville Intl
Mon 4/6
6:25 am-7:45 am
Nonstop1h 20m
$137
St. LouisNashville
STL - BNA
STLBNA
Lambert-St Louis
Sat 4/4
7:35 am-8:45 am
Nonstop1h 10m
Nashville Intl
Mon 4/6
6:25 am-7:45 am
Nonstop1h 20m
$137
St. LouisNashville
STL - BNA
STLBNA
Lambert-St Louis
Wed 4/29
2:30 pm-3:40 pm
Nonstop1h 10m
Nashville Intl
Wed 5/6
8:40 pm-10:00 pm
Nonstop1h 20m
$137
St. LouisNashville
STL - BNA
STLBNA
Lambert-St Louis
Mon 4/20
2:10 pm-3:20 pm
Nonstop1h 10m
Nashville Intl
Wed 4/22
12:40 pm-5:55 pm
2 stops5h 15m
$152
St. LouisNashville
STL - BNA
STLBNA
Lambert-St Louis
Fri 4/17
4:41 pm-11:24 pm
1 stop6h 43m
Nashville Intl
Mon 4/20
7:40 pm-11:36 pm
1 stop3h 56m
$157
St. LouisNashville
STL - BNA
STLBNA
Lambert-St Louis
Mon 4/27
5:40 am-9:30 am
1 stop3h 50m
Nashville Intl
Mon 5/4
6:20 pm-11:40 pm
1 stop5h 20m
$157
St. LouisNashville
STL - BNA
STLBNA
Lambert-St Louis
Thu 4/9
9:50 am-1:48 pm
1 stop3h 58m
Nashville Intl
Sun 4/12
2:35 pm-6:36 pm
1 stop4h 01m
$171
St. LouisNashville
STL - BNA
STLBNA
Lambert-St Louis
Mon 4/20
9:50 am-1:48 pm
1 stop3h 58m
Nashville Intl
Tue 4/21
2:35 pm-6:36 pm
1 stop4h 01m
$172
ChicagoMemphis
MDW - MEM
MDWMEM
Chicago Midway
Sat 4/25
9:05 am-3:45 pm
1 stop6h 40m
Memphis
Tue 4/28
12:20 pm-8:10 pm
2 stops7h 50m
$202
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.
MDW-TYS
STL-BNA
ORD-MEM
MDW-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
MDW-TYS
STL-BNA
ORD-MEM
MDW-MEM
What is the cheapest month to book a flight from Illinois to Tennessee?
Currently, November is the cheapest month in which you can book a flight from Illinois to Tennessee (average of $49). Flying from Illinois to Tennessee in February is currently the most expensive (average of $155). 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 March 17, 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 9% versus a flight at noon.
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 Wednesday mornings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
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 March 17, 2026.
The most flights from USIL to USTN are scheduled on a Monday (56 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (37 on average).
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 March 17, 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.
Food
7.0
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Food
7.0
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Food
7.0
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Food
7.0
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Food
7.0
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Food
7.0
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
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 March 17, 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 March 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$38 | Average$86 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$50 | Average$125 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$78 | Average$139 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$97 | Average$291 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$115 | Average$308 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$124 | Average$192 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$126 | Average$325 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$138 | Average$299 | FlexibilityNo cancel fee | On-timeN/A |