$59+ Cheap flights from Nashville (BNA) 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 8/8. Fares are subject to change and may not be available on all flights or dates of travel.
BNA — ORD
Aug 16 — Aug 231
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Nashville to Illinois with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Nashville to Illinois
Cheapest
Best
Last-minute
One-way
Cheapest flights from Nashville to IllinoisExplore the most affordable flight options available from Nashville to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 17, 2026.
Explore the most affordable flight options available from Nashville to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 17, 2026.
This Southwest deal was found by Cheapflights users on 7/13. 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 8/128:55 pm
BNA
- STL
Nonstop1h 15m
Southwest
Thu 8/133:45 pm
STL
- BNA
Nonstop1h 10m
Southwest
Deal found 7/13![Southwest logo]()
$117
This Southwest deal was found by Cheapflights users on 7/15. 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 8/128:55 pm
BNA
- STL
Nonstop1h 15m
Southwest
Wed 8/196:30 am
STL
- BNA
2 stops5h 40m
Southwest
Deal found 7/15![Southwest logo]()
$132
This Southwest deal was found by Cheapflights users on 7/12. 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 8/157:35 am
BNA
- STL
1 stop5h 40m
Southwest
Sat 8/152:55 pm
STL
- BNA
1 stop5h 55m
Southwest
Deal found 7/12![Southwest logo]()
$137
This Delta deal was found by Cheapflights users on 7/12. 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 8/55:14 am
BNA
- STL
1 stop6h 32m
Delta
Sat 8/86:00 am
STL
- BNA
1 stop4h 02m
Delta
Deal found 7/12![Delta logo]()
$147
This Booking.com deal was found by Cheapflights users on 7/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/138:00 am
BNA
- UIN
Nonstop1h 25m
Contour
Wed 8/192:40 pm
UIN
- BNA
Nonstop1h 30m
Contour
Deal found 7/15![Contour logo]()
$165
This Booking.com deal was found by Cheapflights users on 7/13. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/298:00 am
BNA
- UIN
Nonstop1h 25m
Contour
Sun 8/22:40 pm
UIN
- BNA
Nonstop1h 30m
Contour
Deal found 7/13![Contour logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 7/12. 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.
Thu 7/239:30 am
BNA
- STL
1 stop3h 51m
Southern / Mokulele
Sun 7/262:00 pm
STL
- BNA
1 stop4h 03m
Southern / Mokulele
Deal found 7/12![Southern / Mokulele logo]()
$171
This Southern / Mokulele deal was found by Cheapflights users on 7/13. 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 Southern / Mokulele is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/49:30 am
BNA
- STL
1 stop3h 51m
Southern / Mokulele
Mon 9/72:00 pm
STL
- BNA
1 stop4h 03m
Southern / Mokulele
Deal found 7/13![Southern / Mokulele logo]()
$172
This Mytrip deal was found by Cheapflights users on 7/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/308:00 am
BNA
- UIN
Nonstop1h 25m
Contour
Sun 9/62:40 pm
UIN
- BNA
Nonstop1h 30m
Contour
Deal found 7/16![Contour logo]()
$175
This Contour deal was found by Cheapflights users on 7/12. 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 Contour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/78:00 am
BNA
- UIN
Nonstop1h 25m
Contour
Mon 8/102:40 pm
UIN
- BNA
Nonstop1h 30m
Contour
Deal found 7/12![Contour logo]()
$178
This Southwest deal was found by Cheapflights users on 7/13. 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 8/1010:00 am
BNA
- STL
1 stop5h 20m
Southwest
Mon 8/176:05 am
STL
- BNA
2 stops5h 35m
Southwest
Deal found 7/13![Southwest logo]()
$181
This Kiwi.com deal was found by Cheapflights users on 7/12. 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.
Fri 8/79:30 am
BNA
- STL
1 stop3h 51m
Multiple Airlines
Tue 8/118:08 pm
STL
- BNA
1 stop15h 32m
Multiple Airlines
Deal found 7/12![Multiple Airlines logo]()
$191
Best flights from Nashville to IllinoisDiscover carefully curated flight deals from Nashville to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 17, 2026.
Discover carefully curated flight deals from Nashville to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 17, 2026.
This Southwest deal was found by Cheapflights users on 7/13. 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.
Thu 9/38:50 pm
BNA
- STL
Nonstop1h 15m
Southwest
Mon 9/75:40 pm
STL
- BNA
Nonstop1h 10m
Southwest
Deal found 7/13![Southwest logo]()
$117
This Delta deal was found by Cheapflights users on 7/12. 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 8/55:14 am
BNA
- STL
1 stop6h 32m
Delta
Tue 8/115:23 pm
STL
- BNA
1 stop5h 40m
Delta
Deal found 7/12![Delta logo]()
$147
This Southern / Mokulele deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southern / Mokulele is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/219:30 am
BNA
- STL
1 stop3h 51m
Southern / Mokulele
Fri 7/242:00 pm
STL
- BNA
1 stop4h 03m
Southern / Mokulele
Deal found 7/16![Southern / Mokulele logo]()
$172
This Contour deal was found by Cheapflights users on 7/12. 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 Contour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/78:00 am
BNA
- UIN
Nonstop1h 25m
Contour
Mon 8/102:40 pm
UIN
- BNA
Nonstop1h 30m
Contour
Deal found 7/12![Contour logo]()
$178
This Kiwi.com deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/148:00 am
BNA
- UIN
Nonstop1h 25m
Multiple Airlines
Sat 10/173:35 pm
UIN
- BNA
1 stop23h 05m
Multiple Airlines
Deal found 7/15![Multiple Airlines logo]()
$206
This Southwest deal was found by Cheapflights users on 7/14. 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 8/176:00 pm
BNA
- STL
Nonstop1h 10m
Southwest
Thu 8/205:40 pm
STL
- BNA
Nonstop1h 10m
Southwest
Deal found 7/14![Southwest logo]()
$117
This Kiwi.com deal was found by Cheapflights users on 7/14. 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.
Fri 8/74:36 pm
BNA
- RFD
1 stop15h 49m
Allegiant Air
Sun 8/99:21 am
RFD
- BNA
Nonstop1h 28m
Allegiant Air
Deal found 7/14![Allegiant Air logo]()
$238
This JetBlue deal was found by Cheapflights users on 7/14. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/145:45 am
BNA
- ORD
1 stop7h 54m
JetBlue
Fri 10/302:35 pm
ORD
- BNA
1 stop7h 47m
JetBlue
Deal found 7/14![JetBlue logo]()
$243
This Southwest deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” 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 8/48:55 pm
BNA
- STL
Nonstop1h 15m
Southwest
Sat 8/87:50 am
STL
- BNA
Nonstop1h 10m
Southwest
Deal found 7/11![Southwest logo]()
$117
This United Airlines deal was found by Cheapflights users on 7/13. 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.
Fri 10/27:34 am
BNA
- ORD
Nonstop1h 58m
United Airlines
Mon 10/56:55 am
ORD
- BNA
Nonstop1h 45m
United Airlines
Deal found 7/13![United Airlines logo]()
$277
This American Airlines deal was found by Cheapflights users on 7/13. 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.
Sat 8/85:10 am
BNA
- MLI
1 stop6h 03m
American Airlines
Fri 8/1411:43 am
MLI
- BNA
1 stop3h 30m
American Airlines
Deal found 7/13![American Airlines logo]()
$289
This Delta deal was found by Cheapflights users on 7/15. 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.
Wed 10/1410:54 am
BNA
- STL
1 stop5h 29m
Delta
Mon 10/196:00 am
STL
- BNA
1 stop3h 49m
Delta
Deal found 7/15![Delta logo]()
$147
This Southwest deal was found by Cheapflights users on 7/12. 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 8/157:00 am
BNA
- STL
Nonstop1h 15m
Southwest
Sat 8/1510:15 am
STL
- BNA
1 stop5h 30m
Southwest
Deal found 7/12![Southwest logo]()
$127
This Southwest deal was found by Cheapflights users on 7/15. 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 8/126:05 am
BNA
- STL
1 stop3h 30m
Southwest
Wed 8/194:45 pm
STL
- BNA
Nonstop1h 10m
Southwest
Deal found 7/15![Southwest logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/148:00 am
BNA
- UIN
Nonstop1h 25m
Contour
Sun 10/182:40 pm
UIN
- BNA
Nonstop1h 30m
Contour
Deal found 7/15![Contour logo]()
$178
This Southwest deal was found by Cheapflights users on 7/16. 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 8/2412:45 pm
BNA
- STL
1 stop5h 10m
Southwest
Thu 8/277:40 am
STL
- BNA
1 stop5h 05m
Southwest
Deal found 7/16![Southwest logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/101:34 pm
BNA
- RFD
Nonstop1h 29m
Multiple Airlines
Sun 9/139:29 pm
RFD
- BNA
2 stops13h 08m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$231
This Kiwi.com deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/317:58 pm
BNA
- RFD
1 stop12h 17m
Allegiant Air
Sun 8/29:19 am
RFD
- BNA
Nonstop1h 28m
Allegiant Air
Deal found 7/13![Allegiant Air logo]()
$251
This JetBlue deal was found by Cheapflights users on 7/14. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/142:30 pm
BNA
- ORD
1 stop9h 14m
JetBlue
Sat 8/157:00 am
ORD
- BNA
1 stop6h 37m
JetBlue
Deal found 7/14![JetBlue logo]()
$257
This Kiwi.com deal was found by Cheapflights users on 7/13. 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.
Tue 9/112:55 pm
BNA
- RFD
2 stops24h 24m
Multiple Airlines
Thu 9/33:53 pm
RFD
- BNA
Nonstop1h 30m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$234
This Delta deal was found by Cheapflights users on 7/15. 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 8/292:51 pm
BNA
- ORD
1 stop6h 04m
Delta
Sat 9/56:40 am
ORD
- BNA
1 stop4h 55m
Delta
Deal found 7/15![Delta logo]()
$237
This United Airlines deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” 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 8/2712:37 pm
BNA
- ORD
Nonstop2h 00m
United Airlines
Fri 8/286:14 pm
ORD
- BNA
Nonstop1h 52m
United Airlines
Deal found 7/11![United Airlines logo]()
$277
This Delta deal was found by Cheapflights users on 7/14. 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.
Mon 8/246:05 am
BNA
- ORD
1 stop4h 37m
Delta
Thu 8/279:54 am
ORD
- BNA
1 stop6h 02m
Delta
Deal found 7/14![Delta logo]()
$237
This Kiwi.com deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/201:37 pm
BNA
- RFD
Nonstop1h 32m
Multiple Airlines
Sun 8/309:35 pm
RFD
- BNA
2 stops38h 35m
Multiple Airlines
Deal found 7/15![Multiple Airlines logo]()
$243
This Kiwi.com deal was found by Cheapflights users on 7/14. 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 7/197:00 am
BNA
- RFD
Nonstop1h 29m
Allegiant Air
Sun 7/269:19 am
RFD
- BNA
Nonstop1h 28m
Allegiant Air
Deal found 7/14![Allegiant Air logo]()
$270
This Delta deal was found by Cheapflights users on 7/12. 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 9/85:15 am
BNA
- ORD
1 stop4h 09m
Delta
Thu 9/105:10 pm
ORD
- BNA
1 stop5h 08m
Delta
Deal found 7/12![Delta logo]()
$237
This United Airlines deal was found by Cheapflights users on 7/15. 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 9/176:33 pm
BNA
- MLI
1 stop4h 02m
United Airlines
Sun 9/208:10 am
MLI
- BNA
1 stop4h 25m
United Airlines
Deal found 7/15![United Airlines logo]()
$289
This Kiwi.com deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/38:00 am
BNA
- UIN
Nonstop1h 25m
Multiple Airlines
Tue 9/83:25 pm
UIN
- BNA
2 stops27h 22m
Multiple Airlines
Deal found 7/11![Multiple Airlines logo]()
$261
This Delta deal was found by Cheapflights users on 7/16. 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.
Thu 9/1710:12 am
BNA
- ORD
1 stop6h 02m
Delta
Mon 9/215:10 pm
ORD
- BNA
1 stop5h 08m
Delta
Deal found 7/16![Delta logo]()
$247
This Kiwi.com deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/247:58 pm
BNA
- RFD
1 stop12h 17m
Allegiant Air
Sun 7/269:19 am
RFD
- BNA
Nonstop1h 28m
Allegiant Air
Deal found 7/11![Allegiant Air logo]()
$309
Last-minute flights from Nashville to IllinoisDiscover last-minute flight deals from Nashville to Illinois. Data last updated July 17, 2026 and is based on user searches.
Discover last-minute flight deals from Nashville to Illinois. Data last updated July 17, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/12. 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.
Thu 7/169:30 am
BNA
- STL
1 stop3h 51m
Southern / Mokulele
Fri 7/172:00 pm
STL
- BNA
1 stop4h 03m
Southern / Mokulele
Deal found 7/12![Southern / Mokulele logo]()
$192
This Southern / Mokulele deal was found by Cheapflights users on 7/13. 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 Southern / Mokulele is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/219:30 am
BNA
- STL
1 stop3h 51m
Southern / Mokulele
Fri 7/242:00 pm
STL
- BNA
1 stop4h 03m
Southern / Mokulele
Deal found 7/13![Southern / Mokulele logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 7/12. 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.
Thu 7/239:30 am
BNA
- STL
1 stop3h 51m
Southern / Mokulele
Sun 7/262:00 pm
STL
- BNA
1 stop4h 03m
Southern / Mokulele
Deal found 7/12![Southern / Mokulele logo]()
$171
This Booking.com deal was found by Cheapflights users on 7/13. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/298:00 am
BNA
- UIN
Nonstop1h 25m
Contour
Sun 8/22:40 pm
UIN
- BNA
Nonstop1h 30m
Contour
Deal found 7/13![Contour logo]()
$166
This Delta deal was found by Cheapflights users on 7/12. 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 8/56:15 am
BNA
- STL
1 stop3h 39m
Delta
Wed 8/126:00 am
STL
- BNA
1 stop4h 02m
Delta
Deal found 7/12![Delta logo]()
$147
This Contour deal was found by Cheapflights users on 7/12. 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 Contour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/78:00 am
BNA
- UIN
Nonstop1h 25m
Contour
Mon 8/102:40 pm
UIN
- BNA
Nonstop1h 30m
Contour
Deal found 7/12![Contour logo]()
$178
This Kiwi.com deal was found by Cheapflights users on 7/12. 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.
Fri 8/79:30 am
BNA
- STL
1 stop3h 51m
Multiple Airlines
Tue 8/118:08 pm
STL
- BNA
1 stop15h 32m
Multiple Airlines
Deal found 7/12![Multiple Airlines logo]()
$191
This Southwest deal was found by Cheapflights users on 7/13. 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 8/1010:00 am
BNA
- STL
1 stop5h 20m
Southwest
Mon 8/176:05 am
STL
- BNA
2 stops5h 35m
Southwest
Deal found 7/13![Southwest logo]()
$181
This Southwest deal was found by Cheapflights users on 7/13. 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 8/118:55 pm
BNA
- STL
Nonstop1h 15m
Southwest
Wed 8/126:30 am
STL
- BNA
2 stops5h 40m
Southwest
Deal found 7/13![Southwest logo]()
$132
This Southwest deal was found by Cheapflights users on 7/13. 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 8/128:55 pm
BNA
- STL
Nonstop1h 15m
Southwest
Thu 8/133:45 pm
STL
- BNA
Nonstop1h 10m
Southwest
Deal found 7/13![Southwest logo]()
$117
This Booking.com deal was found by Cheapflights users on 7/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/138:00 am
BNA
- UIN
Nonstop1h 25m
Contour
Wed 8/192:40 pm
UIN
- BNA
Nonstop1h 30m
Contour
Deal found 7/15![Contour logo]()
$165
This Southwest deal was found by Cheapflights users on 7/12. 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 8/157:35 am
BNA
- STL
1 stop5h 40m
Southwest
Sat 8/152:55 pm
STL
- BNA
1 stop5h 55m
Southwest
Deal found 7/12![Southwest logo]()
$137
One-way flights from Nashville to IllinoisSearch for one-way flight options from Nashville to Illinois. Find affordable one-way fares based on user searches. Data last updated July 17, 2026.
Search for one-way flight options from Nashville to Illinois. Find affordable one-way fares based on user searches. Data last updated July 17, 2026.
This Southwest deal was found by Cheapflights users on 7/13. 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.
Sat 8/87:00 am
BNA
- STL
Nonstop1h 15m
Southwest
Deal found 7/13![Southwest logo]()
$59
This Southwest deal was found by Cheapflights users on 7/13. 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 8/105:40 am
BNA
- STL
1 stop3h 35m
Southwest
Deal found 7/13![Southwest logo]()
$69
This Delta deal was found by Cheapflights users on 7/13. 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 8/136:02 pm
BNA
- STL
1 stop5h 56m
Delta
Deal found 7/13![Delta logo]()
$74
This Delta deal was found by Cheapflights users on 7/16. 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.
Sat 8/85:14 am
BNA
- STL
1 stop4h 06m
Delta
Deal found 7/16![Delta logo]()
$79
This Kiwi.com deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/149:30 am
BNA
- STL
1 stop3h 51m
Southern / Mokulele
Deal found 7/13![Southern / Mokulele logo]()
$82
This Kiwi.com deal was found by Cheapflights users on 7/13. 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 7/239:30 am
BNA
- STL
1 stop3h 51m
Southern / Mokulele
Deal found 7/13![Southern / Mokulele logo]()
$83
This Southwest deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/183:35 pm
BNA
- STL
Nonstop1h 10m
Southwest
Deal found 7/15![Southwest logo]()
$94
This Kiwi.com deal was found by Cheapflights users on 7/12. 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.
Tue 1/129:30 am
BNA
- STL
1 stop3h 51m
Southern / Mokulele
Deal found 7/12![Southern / Mokulele logo]()
$104
This Kiwi.com deal was found by Cheapflights users on 7/12. 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.
Sun 8/96:00 am
BNA
- STL
2 stops26h 57m
Multiple Airlines
Deal found 7/12![Multiple Airlines logo]()
$110
This Kiwi.com deal was found by Cheapflights users on 7/14. 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.
Thu 8/66:00 am
BNA
- STL
2 stops26h 57m
Multiple Airlines
Deal found 7/14![Multiple Airlines logo]()
$117
This Kiwi.com deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/166:00 am
BNA
- STL
2 stops26h 57m
Multiple Airlines
Deal found 7/15![Multiple Airlines logo]()
$119
This Southwest deal was found by Cheapflights users on 7/16. 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 8/253:20 pm
BNA
- MDW
1 stop4h 00m
Southwest
Deal found 7/16![Southwest logo]()
$119
Find flight deals from Nashville to Illinois
Keep the following information in mind while searching for Nashville to Illinois flight deals. Data was last updated July 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $117 (Southwest) |
One-way from | $59 (Southwest) |
Popular in | January |
Cheapest in | September |
Average price | $290 |
Good round-trip deal | $78 or less |
Good one-way deal | $52 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Nashville 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 July 17, 2026.
Use the filters below to find and compare flights from Nashville to Illinois that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
NashvilleSt. Louis
BNA - STL
BNASTL
Nashville Intl
Thu 9/3
8:50 pm-10:05 pm
Nonstop1h 15m
Lambert-St Louis
Mon 9/7
5:40 pm-6:50 pm
Nonstop1h 10m
$117
Quickest round-trip
NashvilleSt. Louis
BNA - STL
BNASTL
Nashville Intl
Mon 8/17
6:00 pm-7:10 pm
Nonstop1h 10m
Lambert-St Louis
Thu 8/20
5:40 pm-6:50 pm
Nonstop1h 10m
$117
NashvilleSt. Louis
BNA - STL
BNASTL
Nashville Intl
Tue 8/4
8:55 pm-10:10 pm
Nonstop1h 15m
Lambert-St Louis
Sat 8/8
7:50 am-9:00 am
Nonstop1h 10m
$117
NashvilleSt. Louis
BNA - STL
BNASTL
Nashville Intl
Sat 8/15
7:00 am-8:15 am
Nonstop1h 15m
Lambert-St Louis
Sat 8/15
10:15 am-3:45 pm
1 stop5h 30m
$127
NashvilleSt. Louis
BNA - STL
BNASTL
Nashville Intl
Wed 8/12
6:05 am-9:35 am
1 stop3h 30m
Lambert-St Louis
Wed 8/19
4:45 pm-5:55 pm
Nonstop1h 10m
$127
NashvilleSt. Louis
BNA - STL
BNASTL
Nashville Intl
Mon 8/24
12:45 pm-5:55 pm
1 stop5h 10m
Lambert-St Louis
Thu 8/27
7:40 am-12:45 pm
1 stop5h 05m
$137
NashvilleSt. Louis
BNA - STL
BNASTL
Nashville Intl
Wed 8/5
5:14 am-11:46 am
1 stop6h 32m
Lambert-St Louis
Tue 8/11
5:23 pm-11:03 pm
1 stop5h 40m
$147
NashvilleSt. Louis
BNA - STL
BNASTL
Nashville Intl
Wed 10/14
10:54 am-4:23 pm
1 stop5h 29m
Lambert-St Louis
Mon 10/19
6:00 am-9:49 am
1 stop3h 49m
$147
NashvilleSt. Louis
BNA - STL
BNASTL
Nashville Intl
Tue 7/21
9:30 am-1:21 pm
1 stop3h 51m
Lambert-St Louis
Fri 7/24
2:00 pm-6:03 pm
1 stop4h 03m
$172
NashvilleQuincy
BNA - UIN
BNAUIN
Nashville Intl
Fri 8/7
8:00 am-9:25 am
Nonstop1h 25m
Quincy Regional
Mon 8/10
2:40 pm-4:10 pm
Nonstop1h 30m
$178
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Nashville to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois from Nashville with our price prediction graph.
BNA-STL
BNA-MDW
BNA-UIN
BNA-RFD
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 Nashville to Illinois
BNA-USIL
BNA-STL
BNA-MDW
BNA-UIN
BNA-RFD
What is the cheapest month to book a flight from Nashville to Illinois?
Currently, November is the cheapest month in which you can book a flight from Nashville to Illinois (average of $34). Flying from Nashville to Illinois in May is currently the most expensive (average of $149). 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 BNA to IL?
Find hourly flight availability from Nashville 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 July 17, 2026.
Unlike in the afternoon, when flights are generally more expensive, you can save up to 36% on flights from Nashville to Illinois by exploring options for tickets in the morning.
Weekly flight availability from Nashville to Illinois
Explore weekly flight availability from Nashville 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 July 17, 2026.
The most flights from BNA to USIL are scheduled on a Monday (66 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (23 on average).
How much does it cost to fly round-trip from Nashville to Illinois?
How far ahead should I book a flight from Nashville to Illinois?
Booking 87 days in advance of your planned departure date is, on average, the best time to get cheap flights from Nashville to Illinois. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest day to fly from Nashville to Illinois?
Use this chart to determine the cheapest time to fly round-trip from Nashville to Illinois. Price data was last updated on July 11, 2026.
Travelers seeking maximum savings on their Nashville to Illinois flight should consider departing on Friday mornings 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 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 July 17, 2026.
Read reviews from past customers who have flown Southwest,United Airlines, andAllegiant Air from Nashville to Illinois. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Food
7.0
Overall
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Comfort
8.0
Food
7.0
Overall
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Comfort
8.0
Food
7.0
Overall
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Comfort
8.0
Food
7.0
Overall
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Comfort
8.0
Food
7.0
Overall
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Comfort
8.0
Food
7.0
Overall
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Related info for your journey
Find useful and relevant information for your journey from Nashville 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.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top destinations
Alternative routes for Nashville 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 Nashville to Illinois by cabin class
Find flights from Nashville to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Nashville and Illinois flights
Browse other Nashville and Illinois flight options. Last updated on July 17, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Nashville to Illinois flights
Consider these flights traveling from Nashville to Illinois.
Top 6 airlines flying from Nashville to Illinois
Discover the top 6 airlines that operate flights from Nashville 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 July 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$55 | Average$123 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$58 | Average$93 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$97 | Average$309 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$115 | Average$349 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$117 | Average$292 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$189 | Average$227 | FlexibilityNo cancel fee | On-timeN/A |