$41+ Cheap flights from Tennessee to Illinois
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.
BNA — ORD
jun. 2 — jun. 91
Round-trip
1 adult, Economy
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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 mei 3, 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 mei 3, 2026.
This Southwest deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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.
wo 5/276:00 pm
BNA
- STL
Nonstop1h 15m
Southwest
wo 6/36:40 pm
STL
- BNA
Nonstop1h 10m
Southwest
Deal found 4/28![Southwest logo]()
$137
This Delta deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
di 6/165:10 am
BNA
- STL
1 stop4h 36m
Delta
di 6/231:39 pm
STL
- BNA
1 stop5h 55m
Delta
Deal found 5/2![Delta logo]()
$157
This Southwest deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
wo 6/36:25 am
BNA
- STL
Nonstop1h 20m
Southwest
ma 6/82:30 pm
STL
- BNA
Nonstop1h 10m
Southwest
Deal found 4/30![Southwest logo]()
$164
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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.
wo 5/275:14 pm
BNA
- STL
1 stop4h 24m
Delta
wo 6/36:57 pm
STL
- BNA
1 stop4h 14m
Delta
Deal found 4/29![Delta logo]()
$179
This Kiwi.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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.
do 6/48:59 am
CHA
- ORD
1 stop28h 38m
Multiple Airlines
wo 6/107:52 am
ORD
- CHA
1 stop23h 17m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$190
This Southwest deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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.
do 5/219:55 pm
BNA
- STL
Nonstop1h 20m
Southwest
ma 5/257:35 am
STL
- BNA
Nonstop1h 10m
Southwest
Deal found 4/29![Southwest logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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.
do 6/118:59 am
CHA
- ORD
1 stop15h 16m
Multiple Airlines
wo 6/177:52 am
ORD
- CHA
1 stop23h 17m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$195
This Kiwi.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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.
do 5/288:57 am
CHA
- ORD
1 stop15h 18m
Multiple Airlines
za 5/308:05 am
ORD
- CHA
1 stop23h 02m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$198
This Kiwi.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
wo 6/39:30 am
BNA
- STL
1 stop6h 31m
Multiple Airlines
ma 6/84:19 pm
STL
- BNA
1 stop6h 30m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$198
This Kiwi.com deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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.
do 5/72:35 pm
BNA
- STL
1 stop4h 01m
Multiple Airlines
za 5/94:19 pm
STL
- BNA
1 stop6h 30m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$199
This Southwest deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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.
za 5/235:15 am
BNA
- STL
1 stop5h 15m
Southwest
ma 5/259:55 am
STL
- BNA
Nonstop1h 10m
Southwest
Deal found 4/29![Southwest logo]()
$201
This Kiwi.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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.
do 5/212:35 pm
BNA
- STL
1 stop4h 01m
Multiple Airlines
ma 5/255:27 pm
STL
- BNA
2 stops29h 47m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$203
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 mei 3, 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 mei 3, 2026.
This Southwest deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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.
wo 5/2711:05 am
BNA
- STL
1 stop4h 05m
Southwest
wo 6/36:40 pm
STL
- BNA
Nonstop1h 10m
Southwest
Deal found 4/28![Southwest logo]()
$147
This Delta deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
di 6/165:10 am
BNA
- STL
1 stop4h 36m
Delta
di 6/231:39 pm
STL
- BNA
1 stop5h 55m
Delta
Deal found 5/2![Delta logo]()
$157
This Southern / Mokulele deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southern / Mokulele is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
do 5/212:35 pm
BNA
- STL
1 stop4h 01m
Southern / Mokulele
vr 5/227:20 pm
STL
- BNA
1 stop13h 43m
Southern / Mokulele
Deal found 5/1![Southern / Mokulele logo]()
$212
This United Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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.
zo 7/126:00 am
TRI
- ORD
Nonstop2h 02m
United Airlines
za 7/187:25 am
ORD
- TRI
Nonstop1h 53m
United Airlines
Deal found 4/29![United Airlines logo]()
$229
This American Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
do 7/27:54 am
TRI
- ORD
Nonstop2h 11m
American Airlines
zo 7/59:25 pm
ORD
- TRI
Nonstop1h 50m
American Airlines
Deal found 5/2![American Airlines logo]()
$229
This Contour deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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.
ma 6/228:00 am
BNA
- ORD
1 stop3h 30m
Contour
vr 6/2612:20 pm
ORD
- BNA
1 stop3h 50m
Contour
Deal found 4/29![Contour logo]()
$237
This JetBlue deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
di 8/1810:50 am
BNA
- ORD
1 stop6h 30m
JetBlue
wo 8/199:39 am
ORD
- BNA
1 stop7h 26m
JetBlue
Deal found 5/2![JetBlue logo]()
$261
This Southwest deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
za 6/62:20 pm
BNA
- STL
1 stop5h 40m
Southwest
di 6/93:55 pm
STL
- BNA
1 stop5h 00m
Southwest
Deal found 5/2![Southwest logo]()
$184
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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.
do 6/46:43 pm
BNA
- STL
1 stop5h 16m
Delta
ma 6/89:21 am
STL
- BNA
1 stop3h 56m
Delta
Deal found 4/28![Delta logo]()
$201
This Southwest deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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.
do 5/219:55 pm
BNA
- STL
Nonstop1h 20m
Southwest
ma 5/257:35 am
STL
- BNA
Nonstop1h 10m
Southwest
Deal found 4/29![Southwest logo]()
$191
This Southern / Mokulele deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southern / Mokulele is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ma 6/292:35 pm
BNA
- STL
1 stop4h 01m
Southern / Mokulele
di 6/307:20 pm
STL
- BNA
1 stop13h 43m
Southern / Mokulele
Deal found 5/1![Southern / Mokulele logo]()
$212
This United Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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.
ma 6/156:00 am
TRI
- ORD
Nonstop2h 02m
United Airlines
ma 6/229:15 pm
ORD
- TRI
Nonstop1h 49m
United Airlines
Deal found 4/28![United Airlines logo]()
$229
This Delta deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ma 5/255:30 am
MEM
- ORD
1 stop4h 46m
Delta
di 6/95:30 am
ORD
- MEM
1 stop5h 07m
Delta
Deal found 5/2![Delta logo]()
$218
This American Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
do 7/28:26 pm
TRI
- ORD
1 stop4h 35m
American Airlines
za 7/119:07 pm
ORD
- TRI
Nonstop1h 50m
American Airlines
Deal found 5/2![American Airlines logo]()
$249
This United Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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.
vr 9/112:01 pm
CHA
- ORD
Nonstop1h 54m
United Airlines
zo 9/137:11 am
ORD
- CHA
Nonstop1h 58m
United Airlines
Deal found 4/29![United Airlines logo]()
$249
This American Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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.
vr 5/228:27 pm
TRI
- ORD
1 stop4h 32m
American Airlines
zo 5/249:23 pm
ORD
- TRI
Nonstop1h 53m
American Airlines
Deal found 4/29![American Airlines logo]()
$249
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
di 6/95:10 am
BNA
- STL
1 stop4h 36m
Delta
di 6/93:57 pm
STL
- BNA
1 stop4h 43m
Delta
Deal found 5/1![Delta logo]()
$228
This Southwest deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
di 6/169:45 pm
BNA
- STL
Nonstop1h 15m
Southwest
di 6/236:15 pm
STL
- BNA
1 stop4h 10m
Southwest
Deal found 5/2![Southwest logo]()
$233
This Contour deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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.
wo 6/178:00 am
BNA
- ORD
1 stop3h 30m
Contour
zo 6/2112:20 pm
ORD
- BNA
1 stop3h 50m
Contour
Deal found 4/29![Contour logo]()
$282
This United Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
zo 7/126:00 am
CHA
- ORD
Nonstop1h 59m
United Airlines
za 7/185:50 pm
ORD
- CHA
Nonstop1h 59m
United Airlines
Deal found 5/2![United Airlines logo]()
$249
This American Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
di 5/268:27 pm
TRI
- ORD
1 stop4h 32m
American Airlines
za 5/309:23 pm
ORD
- TRI
Nonstop1h 53m
American Airlines
Deal found 5/2![American Airlines logo]()
$249
This Southwest deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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.
wo 5/203:10 pm
BNA
- MDW
Nonstop1h 35m
Southwest
wo 5/273:00 pm
MDW
- BNA
Nonstop1h 30m
Southwest
Deal found 4/28![Southwest logo]()
$237
This Delta deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
wo 7/16:30 am
MEM
- MDW
1 stop6h 16m
Delta
di 7/76:00 am
MDW
- MEM
1 stop4h 32m
Delta
Deal found 5/2![Delta logo]()
$247
This United Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vr 6/126:30 am
TYS
- ORD
Nonstop1h 59m
United Airlines
za 6/132:02 pm
ORD
- TYS
Nonstop1h 49m
United Airlines
Deal found 4/30![United Airlines logo]()
$249
This American Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
wo 7/226:15 pm
TRI
- ORD
1 stop4h 45m
American Airlines
za 7/259:07 pm
ORD
- TRI
Nonstop1h 50m
American Airlines
Deal found 5/2![American Airlines logo]()
$249
This Southwest deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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.
do 6/45:15 am
MEM
- MDW
Nonstop1h 35m
Southwest
ma 6/89:25 pm
MDW
- MEM
Nonstop1h 40m
Southwest
Deal found 4/29![Southwest logo]()
$239
This United Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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.
wo 5/207:00 am
TYS
- ORD
Nonstop1h 56m
United Airlines
ma 5/257:10 am
ORD
- TYS
Nonstop1h 55m
United Airlines
Deal found 4/28![United Airlines logo]()
$249
This Delta deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vr 6/57:41 pm
TRI
- ORD
1 stop5h 18m
Delta
di 6/98:08 am
ORD
- TRI
1 stop6h 07m
Delta
Deal found 4/30![Delta logo]()
$249
This American Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ma 6/17:59 pm
TYS
- ORD
1 stop5h 06m
American Airlines
za 6/65:29 pm
ORD
- TYS
1 stop5h 18m
American Airlines
Deal found 5/2![American Airlines logo]()
$269
This Southwest deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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.
vr 6/126:40 pm
BNA
- STL
1 stop5h 25m
Southwest
wo 6/175:40 am
STL
- BNA
2 stops5h 35m
Southwest
Deal found 4/29![Southwest logo]()
$248
Last-minute flights from Tennessee to IllinoisDiscover last-minute flight deals from Tennessee to Illinois. Data last updated mei 3, 2026 and is based on user searches.
Discover last-minute flight deals from Tennessee to Illinois. Data last updated mei 3, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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.
do 5/72:35 pm
BNA
- STL
1 stop4h 01m
Multiple Airlines
za 5/94:19 pm
STL
- BNA
1 stop6h 30m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$199
This Kiwi.com deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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.
vr 5/152:35 pm
BNA
- STL
1 stop4h 01m
Multiple Airlines
wo 5/205:27 pm
STL
- BNA
2 stops26h 11m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$206
This Kiwi.com deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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.
vr 5/152:35 pm
BNA
- STL
1 stop4h 01m
Southern / Mokulele
di 5/197:20 pm
STL
- BNA
1 stop13h 43m
Southern / Mokulele
Deal found 4/29![Southern / Mokulele logo]()
$211
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ma 5/186:20 pm
TYS
- MDW
2 stops41h 49m
Multiple Airlines
do 5/212:47 pm
MDW
- TYS
Nonstop1h 26m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$210
This Southwest deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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.
do 5/219:55 pm
BNA
- STL
Nonstop1h 20m
Southwest
ma 5/257:35 am
STL
- BNA
Nonstop1h 10m
Southwest
Deal found 4/29![Southwest logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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.
do 5/212:35 pm
BNA
- STL
1 stop4h 01m
Multiple Airlines
ma 5/255:27 pm
STL
- BNA
2 stops29h 47m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$203
This Southern / Mokulele deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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.
do 5/212:35 pm
BNA
- STL
1 stop4h 01m
Southern / Mokulele
vr 5/227:20 pm
STL
- BNA
1 stop13h 43m
Southern / Mokulele
Deal found 4/29![Southern / Mokulele logo]()
$212
This Southwest deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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.
za 5/235:15 am
BNA
- STL
1 stop5h 15m
Southwest
ma 5/259:55 am
STL
- BNA
Nonstop1h 10m
Southwest
Deal found 4/29![Southwest logo]()
$201
This Southwest deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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.
wo 5/276:00 pm
BNA
- STL
Nonstop1h 15m
Southwest
wo 6/36:40 pm
STL
- BNA
Nonstop1h 10m
Southwest
Deal found 4/28![Southwest logo]()
$137
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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.
wo 5/275:14 pm
BNA
- STL
1 stop4h 24m
Delta
wo 6/36:57 pm
STL
- BNA
1 stop4h 14m
Delta
Deal found 4/29![Delta logo]()
$179
This Kiwi.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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.
do 5/288:57 am
CHA
- ORD
1 stop15h 18m
Multiple Airlines
za 5/308:05 am
ORD
- CHA
1 stop23h 02m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$198
This Expedia deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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.
do 5/2810:40 am
BNA
- ORD
1 stop9h 52m
Multiple Airlines
do 6/412:20 pm
ORD
- BNA
1 stop3h 50m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$211
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 mei 3, 2026.
Search for one-way flight options from Tennessee to Illinois. Find affordable one-way fares based on user searches. Data last updated mei 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
do 5/281:22 pm
TYS
- MDW
Nonstop1h 35m
Allegiant Air
Deal found 5/2![Allegiant Air logo]()
$41
This Kiwi.com deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
zo 8/21:22 pm
TYS
- MDW
Nonstop1h 36m
Allegiant Air
Deal found 5/3![Allegiant Air logo]()
$57
This Kiwi.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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.
zo 6/141:22 pm
TYS
- MDW
Nonstop1h 34m
Allegiant Air
Deal found 4/28![Allegiant Air logo]()
$66
This Kiwi.com deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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.
zo 5/311:22 pm
TYS
- MDW
Nonstop1h 35m
Allegiant Air
Deal found 4/29![Allegiant Air logo]()
$67
This Southwest deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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.
di 5/266:25 am
BNA
- STL
Nonstop1h 20m
Southwest
Deal found 4/29![Southwest logo]()
$69
This Kiwi.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
zo 6/71:22 pm
TYS
- MDW
Nonstop1h 34m
Allegiant Air
Deal found 4/30![Allegiant Air logo]()
$70
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
do 7/91:22 pm
TYS
- MDW
Nonstop1h 36m
Allegiant Air
Deal found 5/1![Allegiant Air logo]()
$71
This Trip.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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.
ma 5/252:35 pm
BNA
- STL
1 stop4h 01m
Southern / Mokulele
Deal found 4/28![Southern / Mokulele logo]()
$75
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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.
di 5/266:43 pm
BNA
- STL
1 stop5h 16m
Delta
Deal found 4/28![Delta logo]()
$79
This American Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
di 6/305:48 pm
MEM
- ORD
Nonstop2h 22m
American Airlines
Deal found 4/30![American Airlines logo]()
$79
This Southwest deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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.
wo 5/205:15 am
MEM
- MDW
Nonstop1h 35m
Southwest
Deal found 4/29![Southwest logo]()
$79
This Kiwi.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ma 6/15:04 pm
MEM
- ORD
1 stop19h 20m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$81
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 mei 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $137 (Southwest) |
One-way from | $41 (Kiwi.com) |
Popular in | January |
Cheapest in | September |
Average price | $257 |
Good round-trip deal | $81 or less |
Good one-way deal | $80 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 2,558,603 searches. Data last updated mei 3, 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 - STL
BNASTL
Nashville Intl
wo 5/27
11:05 am-3:10 pm
1 stop4h 05m
Lambert-St Louis
wo 6/3
6:40 pm-7:50 pm
Nonstop1h 10m
$147
NashvilleSt. Louis
BNA - STL
BNASTL
Nashville Intl
di 6/16
5:10 am-9:46 am
1 stop4h 36m
Lambert-St Louis
di 6/23
1:39 pm-7:34 pm
1 stop5h 55m
$157
NashvilleSt. Louis
BNA - STL
BNASTL
Nashville Intl
za 6/6
2:20 pm-8:00 pm
1 stop5h 40m
Lambert-St Louis
di 6/9
3:55 pm-8:55 pm
1 stop5h 00m
$184
Quickest round-trip
NashvilleSt. Louis
BNA - STL
BNASTL
Nashville Intl
do 5/21
9:55 pm-11:15 pm
Nonstop1h 20m
Lambert-St Louis
ma 5/25
7:35 am-8:45 am
Nonstop1h 10m
$191
NashvilleSt. Louis
BNA - STL
BNASTL
Nashville Intl
do 6/4
6:43 pm-11:59 pm
1 stop5h 16m
Lambert-St Louis
ma 6/8
9:21 am-1:17 pm
1 stop3h 56m
$201
NashvilleSt. Louis
BNA - STL
BNASTL
Nashville Intl
do 5/21
2:35 pm-6:36 pm
1 stop4h 01m
Lambert-St Louis
vr 5/22
7:20 pm-9:03 am
1 stop13h 43m
$212
NashvilleSt. Louis
BNA - STL
BNASTL
Nashville Intl
ma 6/29
2:35 pm-6:36 pm
1 stop4h 01m
Lambert-St Louis
di 6/30
7:20 pm-9:03 am
1 stop13h 43m
$212
MemphisChicago
MEM - ORD
MEMORD
Memphis
ma 5/25
5:30 am-10:16 am
1 stop4h 46m
Chicago O'Hare Intl
di 6/9
5:30 am-10:37 am
1 stop5h 07m
$218
NashvilleSt. Louis
BNA - STL
BNASTL
Nashville Intl
di 6/9
5:10 am-9:46 am
1 stop4h 36m
Lambert-St Louis
di 6/9
3:57 pm-8:40 pm
1 stop4h 43m
$228
BlountvilleChicago
TRI - ORD
TRIORD
Blountville Tri Cities TN/VA
zo 7/12
6:00 am-7:02 am
Nonstop2h 02m
Chicago O'Hare Intl
za 7/18
7:25 am-10:18 am
Nonstop1h 53m
$229
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.
TYS-MDW
BNA-STL
MEM-ORD
TYS-ORD
BNA-ORD
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
TYS-MDW
BNA-STL
MEM-ORD
TYS-ORD
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 month to book a flight from Tennessee to Illinois?
Currently, December is the cheapest month in which you can book a flight from Tennessee to Illinois (average of $77). Flying from Tennessee to Illinois in March is currently the most expensive (average of $617). 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 mei 3, 2026.
It’s optimal to fly from Tennessee to Illinois in the morning. By choosing this option you can save up to 21% on the cost of your flight, compared to a flight at noon.
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 May 2, 2026.
Travelers seeking maximum savings on their Tennessee to Illinois flight should consider departing on Wednesday at noon when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
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 mei 3, 2026.
The most flights from USTN to USIL are scheduled on a Saturday (71 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (48 on average).
How much does it cost to fly round-trip from Tennessee to Illinois?
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 mei 3, 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.
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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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 mei 3, 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 2,558,603 searches. Data last updated mei 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$38 | Average$81 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$56 | Average$124 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$58 | Average$93 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$97 | Average$296 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$108 | Average$301 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$108 | Average$320 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$110 | Average$296 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$157 | Average$198 | FlexibilityNo cancel fee | On-timeN/A |