$49+ 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 10/22. Fares are subject to change and may not be available on all flights or dates of travel.
BNA — ORD
Aug 27 — Sep 31
Round-trip
1 adult, Economy
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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 28, 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 28, 2026.
This Southwest deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” 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 8/138:50 pm
BNA
- STL
Nonstop1h 15m
Southwest
Mon 8/1710:05 am
STL
- BNA
Nonstop1h 10m
Southwest
Deal found 7/23![Southwest logo]()
$97
This Southwest deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” 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 9/118:50 pm
BNA
- STL
Nonstop1h 20m
Southwest
Wed 9/1610:15 am
STL
- BNA
Nonstop1h 10m
Southwest
Deal found 7/23![Southwest logo]()
$112
This Southwest deal was found by Cheapflights users on 7/28. 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.
Thu 8/206:00 pm
BNA
- STL
Nonstop1h 10m
Southwest
Mon 8/248:00 am
STL
- BNA
Nonstop1h 10m
Southwest
Deal found 7/28![Southwest logo]()
$117
This Southwest deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” 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 8/208:05 am
BNA
- STL
1 stop5h 10m
Southwest
Sat 8/229:00 am
STL
- BNA
2 stops5h 35m
Southwest
Deal found 7/24![Southwest logo]()
$142
This Delta deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” 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 12/55:15 pm
BNA
- STL
1 stop6h 41m
Delta
Mon 12/712:20 pm
STL
- BNA
1 stop3h 49m
Delta
Deal found 7/27![Delta logo]()
$147
This Delta deal was found by Cheapflights users on 7/28. 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.
Thu 8/208:02 am
BNA
- STL
1 stop6h 31m
Delta
Mon 8/245:23 pm
STL
- BNA
1 stop5h 40m
Delta
Deal found 7/28![Delta logo]()
$148
This Mytrip deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” 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.
Thu 8/138:00 am
BNA
- UIN
Nonstop1h 25m
Contour
Sun 8/162:40 pm
UIN
- BNA
Nonstop1h 30m
Contour
Deal found 7/26![Contour logo]()
$164
This deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/119:30 am
BNA
- STL
1 stop3h 51m
Southern / Mokulele
Wed 9/162:00 pm
STL
- BNA
1 stop4h 03m
Southern / Mokulele
Deal found 7/24![Southern / Mokulele logo]()
$164
This Contour deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Contour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/278:00 am
BNA
- UIN
Nonstop1h 25m
Contour
Mon 8/312:40 pm
UIN
- BNA
Nonstop1h 30m
Contour
Deal found 7/26![Contour logo]()
$178
This Booking.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” 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.
Fri 7/318:00 am
BNA
- UIN
Nonstop1h 25m
Contour
Fri 8/72:40 pm
UIN
- BNA
Nonstop1h 30m
Contour
Deal found 7/24![Contour logo]()
$215
This Southwest deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” 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 9/116:40 pm
BNA
- MDW
Nonstop1h 30m
Southwest
Sat 9/198:05 am
MDW
- BNA
Nonstop1h 40m
Southwest
Deal found 7/27![Southwest logo]()
$222
This American Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/247:00 am
BNA
- ORD
Nonstop2h 11m
American Airlines
Sun 9/68:06 am
ORD
- BNA
Nonstop1h 42m
American Airlines
Deal found 7/27![American Airlines logo]()
$222
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 28, 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 28, 2026.
This Southwest deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” 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 9/215:40 am
BNA
- STL
1 stop4h 50m
Southwest
Tue 9/224:45 pm
STL
- BNA
Nonstop1h 10m
Southwest
Deal found 7/23![Southwest logo]()
$107
This Mytrip deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” 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.
Thu 8/138:00 am
BNA
- UIN
Nonstop1h 25m
Contour
Sun 8/162:40 pm
UIN
- BNA
Nonstop1h 30m
Contour
Deal found 7/26![Contour logo]()
$164
This Southwest deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” 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 8/249:00 am
BNA
- STL
Nonstop1h 10m
Southwest
Mon 8/318:00 am
STL
- BNA
Nonstop1h 10m
Southwest
Deal found 7/27![Southwest logo]()
$117
This Delta deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/106:00 am
BNA
- MDW
1 stop6h 35m
Delta
Mon 12/141:22 pm
MDW
- BNA
1 stop4h 01m
Delta
Deal found 7/26![Delta logo]()
$237
This Kiwi.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” 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 8/67:00 am
BNA
- RFD
Nonstop1h 31m
Allegiant Air
Sun 8/911:37 am
RFD
- BNA
1 stop8h 00m
Allegiant Air
Deal found 7/24![Allegiant Air logo]()
$238
This Kiwi.com deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” 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
Wed 8/262:13 pm
RFD
- BNA
2 stops23h 33m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$253
This JetBlue deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” 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.
Sat 9/197:00 am
BNA
- ORD
1 stop6h 45m
JetBlue
Mon 9/213:00 pm
ORD
- BNA
1 stop6h 53m
JetBlue
Deal found 7/26![JetBlue logo]()
$253
This United Airlines deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/112:39 pm
BNA
- ORD
Nonstop2h 00m
United Airlines
Fri 10/99:25 pm
ORD
- BNA
Nonstop1h 49m
United Airlines
Deal found 7/26![United Airlines logo]()
$254
This Southwest deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/13:35 pm
BNA
- STL
Nonstop1h 10m
Southwest
Thu 9/35:40 pm
STL
- BNA
Nonstop1h 10m
Southwest
Deal found 7/26![Southwest logo]()
$117
This Southwest deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” 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 8/316:00 pm
BNA
- STL
Nonstop1h 10m
Southwest
Thu 9/33:45 pm
STL
- BNA
Nonstop1h 10m
Southwest
Deal found 7/26![Southwest logo]()
$117
This American Airlines deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/99:00 am
BNA
- MLI
1 stop7h 03m
American Airlines
Tue 9/1512:08 pm
MLI
- BNA
1 stop7h 19m
American Airlines
Deal found 7/26![American Airlines logo]()
$299
This Southwest deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” 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 9/238:55 pm
BNA
- STL
Nonstop1h 20m
Southwest
Thu 9/245:40 pm
STL
- BNA
Nonstop1h 10m
Southwest
Deal found 7/27![Southwest logo]()
$117
This Contour deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Contour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/278:00 am
BNA
- UIN
Nonstop1h 25m
Contour
Mon 8/312:40 pm
UIN
- BNA
Nonstop1h 30m
Contour
Deal found 7/24![Contour logo]()
$178
This Southwest deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/110:20 am
BNA
- STL
1 stop4h 00m
Southwest
Sat 10/37:15 pm
STL
- BNA
Nonstop1h 10m
Southwest
Deal found 7/26![Southwest logo]()
$127
This Contour deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Contour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/248:00 am
BNA
- UIN
Nonstop1h 25m
Contour
Sun 9/272:40 pm
UIN
- BNA
Nonstop1h 30m
Contour
Deal found 7/27![Contour logo]()
$178
This Delta deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” 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 10/308:05 am
BNA
- ORD
1 stop6h 22m
Delta
Mon 11/25:24 pm
ORD
- BNA
1 stop3h 56m
Delta
Deal found 7/23![Delta logo]()
$242
This Kiwi.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” 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 9/411:34 am
BNA
- RFD
1 stop24h 17m
Allegiant Air
Sun 9/63:53 pm
RFD
- BNA
Nonstop1h 30m
Allegiant Air
Deal found 7/25![Allegiant Air logo]()
$246
This Kiwi.com deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” 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 8/275:05 pm
BNA
- RFD
1 stop22h 18m
Multiple Airlines
Mon 8/317:04 pm
RFD
- BNA
1 stop15h 13m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$254
This United Airlines deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1312:39 pm
BNA
- ORD
Nonstop2h 00m
United Airlines
Fri 10/166:55 am
ORD
- BNA
Nonstop1h 45m
United Airlines
Deal found 7/26![United Airlines logo]()
$254
This Booking.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” 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.
Sun 8/98:00 am
BNA
- UIN
Nonstop1h 25m
Contour
Thu 8/132:40 pm
UIN
- BNA
Nonstop1h 30m
Contour
Deal found 7/25![Contour logo]()
$215
This Delta deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/310:54 am
BNA
- ORD
1 stop6h 09m
Delta
Thu 12/101:30 pm
ORD
- BNA
1 stop4h 40m
Delta
Deal found 7/25![Delta logo]()
$247
This Kiwi.com deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” 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 7/307:00 am
BNA
- RFD
Nonstop1h 29m
Allegiant Air
Thu 8/1311:37 am
RFD
- BNA
1 stop8h 00m
Allegiant Air
Deal found 7/27![Allegiant Air logo]()
$250
This Kiwi.com deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” 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 8/231:37 pm
BNA
- RFD
Nonstop1h 32m
Multiple Airlines
Wed 8/262:13 pm
RFD
- BNA
3 stops21h 57m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$267
This American Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” 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 9/13:38 pm
BNA
- MLI
1 stop6h 33m
American Airlines
Sun 9/66:00 am
MLI
- BNA
1 stop3h 48m
American Airlines
Deal found 7/25![American Airlines logo]()
$299
This United Airlines deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” 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 12/1811:15 am
BNA
- ORD
Nonstop1h 59m
United Airlines
Sat 1/910:40 am
ORD
- BNA
Nonstop1h 26m
United Airlines
Deal found 7/26![United Airlines logo]()
$282
This Kiwi.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” 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 9/171:34 pm
BNA
- RFD
Nonstop1h 29m
Allegiant Air
Sun 9/2010:41 am
RFD
- BNA
1 stop23h 49m
Allegiant Air
Deal found 7/24![Allegiant Air logo]()
$258
This Kiwi.com deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” 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 8/231:37 pm
BNA
- RFD
Nonstop1h 32m
Multiple Airlines
Sun 8/309:35 pm
RFD
- BNA
1 stop16h 11m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$268
This Contour deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” 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.
Sun 8/308:00 am
BNA
- ORD
1 stop3h 40m
Contour
Wed 9/211:15 am
ORD
- BNA
1 stop4h 55m
Contour
Deal found 7/26![Contour logo]()
$247
This United Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” 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
Sun 8/3010:45 am
ORD
- BNA
Nonstop1h 50m
United Airlines
Deal found 7/27![United Airlines logo]()
$282
This Delta deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” 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 11/216:00 am
BNA
- ORD
1 stop4h 45m
Delta
Mon 11/231:30 pm
ORD
- BNA
1 stop5h 58m
Delta
Deal found 7/25![Delta logo]()
$286
Last-minute flights from Nashville to IllinoisDiscover last-minute flight deals from Nashville to Illinois. Data last updated July 28, 2026 and is based on user searches.
Discover last-minute flight deals from Nashville to Illinois. Data last updated July 28, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” 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.
Fri 7/318:00 am
BNA
- UIN
Nonstop1h 25m
Contour
Fri 8/72:40 pm
UIN
- BNA
Nonstop1h 30m
Contour
Deal found 7/24![Contour logo]()
$215
This Southern / Mokulele deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” 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.
Mon 8/109:30 am
BNA
- STL
1 stop3h 51m
Southern / Mokulele
Wed 8/122:00 pm
STL
- BNA
1 stop4h 03m
Southern / Mokulele
Deal found 7/27![Southern / Mokulele logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” 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 8/119:30 am
BNA
- STL
1 stop3h 51m
Southern / Mokulele
Thu 8/132:00 pm
STL
- BNA
1 stop4h 03m
Southern / Mokulele
Deal found 7/26![Southern / Mokulele logo]()
$171
This Southwest deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” 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 8/138:50 pm
BNA
- STL
Nonstop1h 15m
Southwest
Mon 8/1710:05 am
STL
- BNA
Nonstop1h 10m
Southwest
Deal found 7/23![Southwest logo]()
$97
This Mytrip deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” 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.
Thu 8/138:00 am
BNA
- UIN
Nonstop1h 25m
Contour
Sun 8/162:40 pm
UIN
- BNA
Nonstop1h 30m
Contour
Deal found 7/26![Contour logo]()
$164
This Southwest deal was found by Cheapflights users on 7/28. 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.
Thu 8/206:00 pm
BNA
- STL
Nonstop1h 10m
Southwest
Mon 8/248:00 am
STL
- BNA
Nonstop1h 10m
Southwest
Deal found 7/28![Southwest logo]()
$117
This Southwest deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” 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 8/206:00 pm
BNA
- STL
Nonstop1h 10m
Southwest
Sat 8/229:00 am
STL
- BNA
2 stops5h 35m
Southwest
Deal found 7/24![Southwest logo]()
$132
This Delta deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” 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 8/208:02 am
BNA
- STL
1 stop6h 31m
Delta
Mon 8/245:23 pm
STL
- BNA
1 stop5h 40m
Delta
Deal found 7/27![Delta logo]()
$147
This Kiwi.com deal was found by Cheapflights users on 7/28. 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.
Thu 8/209:30 am
BNA
- STL
1 stop4h 01m
Multiple Airlines
Mon 8/246:17 pm
STL
- BNA
2 stops16h 00m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$186
This American Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/247:00 am
BNA
- ORD
Nonstop2h 11m
American Airlines
Sun 9/68:06 am
ORD
- BNA
Nonstop1h 42m
American Airlines
Deal found 7/27![American Airlines logo]()
$222
This Southwest deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” 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 8/2512:00 pm
BNA
- MDW
Nonstop1h 30m
Southwest
Tue 9/11:00 pm
MDW
- BNA
1 stop3h 00m
Southwest
Deal found 7/27![Southwest logo]()
$223
This Contour deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Contour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/278:00 am
BNA
- UIN
Nonstop1h 25m
Contour
Mon 8/312:40 pm
UIN
- BNA
Nonstop1h 30m
Contour
Deal found 7/26![Contour logo]()
$178
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 28, 2026.
Search for one-way flight options from Nashville to Illinois. Find affordable one-way fares based on user searches. Data last updated July 28, 2026.
This Southwest deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/88:55 pm
BNA
- STL
Nonstop1h 20m
Southwest
Deal found 7/23![Southwest logo]()
$49
This Southwest deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” 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 8/278:50 pm
BNA
- STL
Nonstop1h 15m
Southwest
Deal found 7/27![Southwest logo]()
$59
This Delta deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” 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 8/246:02 pm
BNA
- STL
1 stop5h 56m
Delta
Deal found 7/27![Delta logo]()
$74
This Kiwi.com deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/239:30 am
BNA
- STL
1 stop3h 51m
Southern / Mokulele
Deal found 7/26![Southern / Mokulele logo]()
$82
This Southern / Mokulele deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” 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 8/49:30 am
BNA
- STL
1 stop3h 51m
Southern / Mokulele
Deal found 7/26![Southern / Mokulele logo]()
$83
This Southwest deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” 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 8/208:50 pm
BNA
- STL
Nonstop1h 15m
Southwest
Deal found 7/27![Southwest logo]()
$94
This Kiwi.com deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” 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 9/811:12 am
BNA
- STL
2 stops22h 28m
Frontier
Deal found 7/23![Frontier logo]()
$101
This Kiwi.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” 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 9/229:43 am
BNA
- STL
2 stops27h 27m
Frontier
Deal found 7/24![Frontier logo]()
$105
This Kiwi.com deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” 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 10/75:40 pm
BNA
- STL
2 stops16h 00m
Frontier
Deal found 7/27![Frontier logo]()
$106
This Kiwi.com deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2211:10 am
BNA
- STL
2 stops22h 30m
Frontier
Deal found 7/23![Frontier logo]()
$107
This Delta deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” 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 10/248:05 am
BNA
- STL
1 stop5h 15m
Delta
Deal found 7/23![Delta logo]()
$108
This Kiwi.com deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” 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 8/278:00 am
BNA
- ORD
1 stop3h 40m
Contour
Deal found 7/27![Contour logo]()
$114
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 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $97 (Southwest) |
One-way from | $49 (Southwest) |
Popular in | January |
Cheapest in | September |
Average price | $337 |
Good round-trip deal | $78 or less |
Good one-way deal | $48 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 28, 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
Mon 9/21
5:40 am-10:30 am
1 stop4h 50m
Lambert-St Louis
Tue 9/22
4:45 pm-5:55 pm
Nonstop1h 10m
$107
Quickest round-trip
NashvilleSt. Louis
BNA - STL
BNASTL
Nashville Intl
Mon 8/24
9:00 am-10:10 am
Nonstop1h 10m
Lambert-St Louis
Mon 8/31
8:00 am-9:10 am
Nonstop1h 10m
$117
NashvilleSt. Louis
BNA - STL
BNASTL
Nashville Intl
Tue 9/1
3:35 pm-4:45 pm
Nonstop1h 10m
Lambert-St Louis
Thu 9/3
5:40 pm-6:50 pm
Nonstop1h 10m
$117
NashvilleSt. Louis
BNA - STL
BNASTL
Nashville Intl
Mon 8/31
6:00 pm-7:10 pm
Nonstop1h 10m
Lambert-St Louis
Thu 9/3
3:45 pm-4:55 pm
Nonstop1h 10m
$117
NashvilleSt. Louis
BNA - STL
BNASTL
Nashville Intl
Wed 9/23
8:55 pm-10:15 pm
Nonstop1h 20m
Lambert-St Louis
Thu 9/24
5:40 pm-6:50 pm
Nonstop1h 10m
$117
NashvilleSt. Louis
BNA - STL
BNASTL
Nashville Intl
Thu 10/1
10:20 am-2:20 pm
1 stop4h 00m
Lambert-St Louis
Sat 10/3
7:15 pm-8:25 pm
Nonstop1h 10m
$127
NashvilleQuincy
BNA - UIN
BNAUIN
Nashville Intl
Thu 8/13
8:00 am-9:25 am
Nonstop1h 25m
Quincy Regional
Sun 8/16
2:40 pm-4:10 pm
Nonstop1h 30m
$164
NashvilleQuincy
BNA - UIN
BNAUIN
Nashville Intl
Thu 8/27
8:00 am-9:25 am
Nonstop1h 25m
Quincy Regional
Mon 8/31
2:40 pm-4:10 pm
Nonstop1h 30m
$178
NashvilleQuincy
BNA - UIN
BNAUIN
Nashville Intl
Thu 9/24
8:00 am-9:25 am
Nonstop1h 25m
Quincy Regional
Sun 9/27
2:40 pm-4:10 pm
Nonstop1h 30m
$178
NashvilleQuincy
BNA - UIN
BNAUIN
Nashville Intl
Sun 8/9
8:00 am-9:25 am
Nonstop1h 25m
Quincy Regional
Thu 8/13
2:40 pm-4:10 pm
Nonstop1h 30m
$215
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-UIN
BNA-MDW
BNA-ORD
BNA-RFD
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-UIN
BNA-MDW
BNA-ORD
What is the cheapest month to book a flight from Nashville to Illinois?
Currently, October is the cheapest month in which you can book a flight from Nashville to Illinois (average of $165). Flying from Nashville to Illinois in May is currently the most expensive (average of $386). 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 28, 2026.
Unlike in the afternoon, when flights are generally more expensive, you can save up to 38% 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 28, 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 (56 on average).
How much does it cost to fly round-trip from Nashville to Illinois?
Airfare is typical for this route at the moment.
Nashville to Illinois flights typically cost between $119 and $281 in August.The cheapest round-trip price found within the last 5 days was $222 on American Airlines (Aug 24-Sep 6).
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 25, 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 28, 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.
Entertainment
7.5
Overall
8.0
Boarding
8.1
Comfort
8.0
Food
7.0
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Entertainment
7.5
Overall
8.0
Boarding
8.1
Comfort
8.0
Food
7.0
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Entertainment
7.5
Overall
8.0
Boarding
8.1
Comfort
8.0
Food
7.0
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Entertainment
7.5
Overall
8.0
Boarding
8.1
Comfort
8.0
Food
7.0
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Entertainment
7.5
Overall
8.0
Boarding
8.1
Comfort
8.0
Food
7.0
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Entertainment
7.5
Overall
8.0
Boarding
8.1
Comfort
8.0
Food
7.0
Crew
8.6
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.
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Alternative routes for Nashville to Illinois
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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 28, 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 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$49 | Average$120 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$61 | Average$93 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$97 | Average$322 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$117 | Average$350 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$127 | Average$301 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$189 | Average$227 | FlexibilityNo cancel fee | On-timeN/A |