$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 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
BNA — ORD
Apr 10 — Apr 171
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 March 11, 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 March 11, 2026.
This Southwest deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/146:25 am
BNA
- STL
Nonstop1h 20m
Southwest
Wed 4/152:30 pm
STL
- BNA
Nonstop1h 10m
Southwest
Deal found 3/9![Southwest logo]()
$97
This Southwest deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/156:25 am
BNA
- STL
Nonstop1h 20m
Southwest
Thu 4/168:45 pm
STL
- BNA
Nonstop1h 10m
Southwest
Deal found 3/5![Southwest logo]()
$144
This Delta deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/75:59 pm
BNA
- STL
1 stop5h 59m
Delta
Tue 4/146:00 am
STL
- BNA
1 stop6h 24m
Delta
Deal found 3/10![Delta logo]()
$147
This Trip.com deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” 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.
Fri 3/132:35 pm
BNA
- STL
1 stop4h 01m
Southern / Mokulele
Fri 3/209:50 am
STL
- BNA
1 stop3h 58m
Southern / Mokulele
Deal found 3/6![Southern / Mokulele logo]()
$154
This Trip.com deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/22:35 pm
BNA
- STL
1 stop4h 01m
Southern / Mokulele
Mon 4/69:50 am
STL
- BNA
1 stop3h 58m
Southern / Mokulele
Deal found 3/9![Southern / Mokulele logo]()
$155
This Southwest deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/206:00 am
BNA
- STL
1 stop4h 50m
Southwest
Wed 4/225:15 am
STL
- BNA
1 stop5h 40m
Southwest
Deal found 3/6![Southwest logo]()
$164
This Kiwi.com deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” 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 6/302:35 pm
BNA
- STL
1 stop4h 01m
Southern / Mokulele
Mon 7/69:50 am
STL
- BNA
1 stop3h 58m
Southern / Mokulele
Deal found 3/8![Southern / Mokulele logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 7/167:00 am
BNA
- RFD
Nonstop1h 29m
Allegiant Air
Sun 7/1911:27 am
RFD
- BNA
1 stop8h 02m
Allegiant Air
Deal found 3/9![Allegiant Air logo]()
$193
This Super.com deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/153:27 pm
BNA
- ORD
1 stop8h 57m
Spirit Airlines
Mon 4/207:15 pm
ORD
- BNA
1 stop13h 20m
Spirit Airlines
Deal found 3/7![Spirit Airlines logo]()
$194
This Super.com deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/232:27 pm
BNA
- ORD
1 stop8h 50m
Spirit Airlines
Tue 3/314:36 pm
ORD
- BNA
1 stop7h 02m
Spirit Airlines
Deal found 3/5![Spirit Airlines logo]()
$195
This CheapOair deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/92:27 pm
BNA
- ORD
1 stop8h 50m
Spirit Airlines
Tue 4/149:06 am
ORD
- BNA
1 stop7h 32m
Spirit Airlines
Deal found 3/9![Spirit Airlines logo]()
$196
This American Airlines deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/25:00 am
BNA
- ORD
Nonstop1h 58m
American Airlines
Thu 4/910:14 pm
ORD
- BNA
Nonstop1h 40m
American Airlines
Deal found 3/5![American Airlines logo]()
$197
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 March 11, 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 March 11, 2026.
This Southwest deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/156:25 am
BNA
- STL
Nonstop1h 20m
Southwest
Thu 4/168:45 pm
STL
- BNA
Nonstop1h 10m
Southwest
Deal found 3/5![Southwest logo]()
$144
This Southern / Mokulele deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” 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 5/112:35 pm
BNA
- STL
1 stop4h 01m
Southern / Mokulele
Sat 5/169:50 am
STL
- BNA
1 stop3h 58m
Southern / Mokulele
Deal found 3/5![Southern / Mokulele logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 7/167:00 am
BNA
- RFD
Nonstop1h 29m
Allegiant Air
Sun 7/1911:27 am
RFD
- BNA
1 stop8h 02m
Allegiant Air
Deal found 3/9![Allegiant Air logo]()
$193
This United Airlines deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/156:52 pm
BNA
- ORD
Nonstop1h 58m
United Airlines
Sat 4/1810:42 am
ORD
- BNA
Nonstop1h 46m
United Airlines
Deal found 3/7![United Airlines logo]()
$229
This American Airlines deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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.
Fri 4/106:37 pm
BNA
- MLI
1 stop5h 17m
American Airlines
Mon 4/133:48 pm
MLI
- BNA
1 stop7h 45m
American Airlines
Deal found 3/9![American Airlines logo]()
$269
This Southwest deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/209:55 pm
BNA
- STL
Nonstop1h 20m
Southwest
Wed 4/225:15 am
STL
- BNA
1 stop5h 40m
Southwest
Deal found 3/6![Southwest logo]()
$154
This Delta deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” 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 5/115:14 pm
BNA
- MDW
1 stop3h 55m
Delta
Mon 5/189:22 am
MDW
- BNA
1 stop3h 38m
Delta
Deal found 3/8![Delta logo]()
$309
This deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” 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.
Tue 6/302:35 pm
BNA
- STL
1 stop4h 01m
Southern / Mokulele
Mon 7/69:50 am
STL
- BNA
1 stop3h 58m
Southern / Mokulele
Deal found 3/6![Southern / Mokulele logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 7/167:00 am
BNA
- RFD
Nonstop1h 29m
Multiple Airlines
Sun 7/1911:27 am
RFD
- BNA
3 stops28h 54m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$366
This Southwest deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/26:25 am
BNA
- STL
Nonstop1h 20m
Southwest
Mon 4/64:55 pm
STL
- BNA
Nonstop1h 10m
Southwest
Deal found 3/9![Southwest logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” 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 6/266:53 pm
BNA
- RFD
1 stop13h 24m
Allegiant Air
Sun 6/289:19 am
RFD
- BNA
Nonstop1h 25m
Allegiant Air
Deal found 3/6![Allegiant Air logo]()
$203
This Southwest deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” 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 5/149:55 pm
BNA
- STL
Nonstop1h 20m
Southwest
Sat 5/1610:55 am
STL
- BNA
Nonstop1h 10m
Southwest
Deal found 3/7![Southwest logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 6/117:00 am
BNA
- RFD
Nonstop1h 29m
Allegiant Air
Sun 6/1411:27 am
RFD
- BNA
1 stop8h 08m
Allegiant Air
Deal found 3/9![Allegiant Air logo]()
$206
This United Airlines deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” 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.
Sun 4/58:00 pm
BNA
- ORD
Nonstop1h 58m
United Airlines
Thu 4/99:45 pm
ORD
- BNA
Nonstop1h 43m
United Airlines
Deal found 3/5![United Airlines logo]()
$247
This Kiwi.com deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” 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 6/187:00 am
BNA
- RFD
Nonstop1h 29m
Allegiant Air
Sun 6/2111:27 am
RFD
- BNA
1 stop8h 08m
Allegiant Air
Deal found 3/8![Allegiant Air logo]()
$223
This American Airlines deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” 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 5/136:01 am
BNA
- MLI
1 stop6h 18m
American Airlines
Tue 5/195:15 am
MLI
- BNA
2 stops7h 35m
American Airlines
Deal found 3/8![American Airlines logo]()
$274
This Southwest deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/171:05 pm
BNA
- MDW
Nonstop1h 35m
Southwest
Tue 4/219:50 am
MDW
- BNA
Nonstop1h 25m
Southwest
Deal found 3/5![Southwest logo]()
$207
This United Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/98:40 am
BNA
- ORD
Nonstop2h 05m
United Airlines
Tue 5/1210:40 am
ORD
- BNA
Nonstop1h 46m
United Airlines
Deal found 3/6![United Airlines logo]()
$251
This Southwest deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/25:20 am
BNA
- ORD
1 stop5h 50m
Southwest
Thu 4/93:05 pm
ORD
- BNA
1 stop7h 55m
Southwest
Deal found 3/5![Southwest logo]()
$217
This United Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” 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 3/276:19 pm
BNA
- MLI
1 stop4h 17m
United Airlines
Sat 3/283:52 pm
MLI
- BNA
1 stop5h 51m
United Airlines
Deal found 3/6![United Airlines logo]()
$269
This American Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” 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.
Fri 3/132:21 pm
BNA
- MLI
1 stop7h 37m
American Airlines
Mon 3/161:30 pm
MLI
- BNA
1 stop6h 34m
American Airlines
Deal found 3/6![American Airlines logo]()
$319
This Southwest deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” 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 3/274:00 pm
BNA
- MDW
Nonstop1h 40m
Southwest
Tue 3/315:30 pm
MDW
- BNA
Nonstop1h 30m
Southwest
Deal found 3/5![Southwest logo]()
$218
This United Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/207:25 am
BNA
- ORD
Nonstop1h 52m
United Airlines
Tue 4/216:10 pm
ORD
- BNA
Nonstop1h 46m
United Airlines
Deal found 3/6![United Airlines logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” 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 5/282:57 pm
BNA
- RFD
1 stop16h 48m
Allegiant Air
Thu 6/411:27 am
RFD
- BNA
1 stop8h 08m
Allegiant Air
Deal found 3/7![Allegiant Air logo]()
$280
This Kiwi.com deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 3/246:15 am
BNA
- SPI
1 stop27h 11m
Multiple Airlines
Sat 3/289:45 am
SPI
- BNA
2 stops21h 26m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$401
This Southwest deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/97:35 pm
BNA
- STL
Nonstop1h 20m
Southwest
Fri 4/108:45 pm
STL
- BNA
Nonstop1h 10m
Southwest
Deal found 3/6![Southwest logo]()
$230
This United Airlines deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/256:00 am
BNA
- PAH
1 stop7h 27m
United Airlines
Sun 3/295:00 am
PAH
- BNA
1 stop5h 27m
United Airlines
Deal found 3/5![United Airlines logo]()
$309
This Kiwi.com deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” 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 5/87:00 am
BNA
- RFD
2 stops12h 45m
Multiple Airlines
Sun 5/1010:37 am
RFD
- BNA
1 stop21h 58m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$415
This Southwest deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” 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 5/165:15 am
BNA
- MDW
Nonstop1h 35m
Southwest
Sun 5/178:55 am
MDW
- BNA
Nonstop1h 30m
Southwest
Deal found 3/5![Southwest logo]()
$237
This American Airlines deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 3/167:15 am
BNA
- MLI
1 stop4h 56m
American Airlines
Sat 3/216:00 am
MLI
- BNA
1 stop4h 54m
American Airlines
Deal found 3/9![American Airlines logo]()
$399
Last-minute flights from Nashville to IllinoisDiscover last-minute flight deals from Nashville to Illinois. Data last updated March 11, 2026 and is based on user searches.
Discover last-minute flight deals from Nashville to Illinois. Data last updated March 11, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” 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.
Fri 3/132:35 pm
BNA
- STL
1 stop4h 01m
Southern / Mokulele
Fri 3/209:50 am
STL
- BNA
1 stop3h 58m
Southern / Mokulele
Deal found 3/6![Southern / Mokulele logo]()
$154
This Mytrip deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” 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.
Tue 3/177:44 am
BNA
- ORD
1 stop9h 31m
Spirit Airlines
Tue 3/316:10 pm
ORD
- BNA
2 stops22h 28m
Spirit Airlines
Deal found 3/10![Spirit Airlines logo]()
$207
This Cheapflightsfares deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/192:27 pm
BNA
- ORD
1 stop8h 50m
Spirit Airlines
Mon 3/234:36 pm
ORD
- BNA
1 stop7h 02m
Spirit Airlines
Deal found 3/10![Spirit Airlines logo]()
$210
This Trip.com deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/22:35 pm
BNA
- STL
1 stop4h 01m
Southern / Mokulele
Mon 4/69:50 am
STL
- BNA
1 stop3h 58m
Southern / Mokulele
Deal found 3/9![Southern / Mokulele logo]()
$155
This Delta deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/75:59 pm
BNA
- STL
1 stop5h 59m
Delta
Tue 4/146:00 am
STL
- BNA
1 stop6h 24m
Delta
Deal found 3/10![Delta logo]()
$147
This Southwest deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/97:35 pm
BNA
- STL
Nonstop1h 20m
Southwest
Thu 4/168:45 pm
STL
- BNA
Nonstop1h 10m
Southwest
Deal found 3/10![Southwest logo]()
$171
This Southwest deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/115:15 am
BNA
- MDW
Nonstop1h 35m
Southwest
Sat 4/114:20 pm
MDW
- BNA
Nonstop1h 30m
Southwest
Deal found 3/8![Southwest logo]()
$207
This Southwest deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/146:25 am
BNA
- STL
Nonstop1h 20m
Southwest
Wed 4/152:30 pm
STL
- BNA
Nonstop1h 10m
Southwest
Deal found 3/9![Southwest logo]()
$97
This Southwest deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/156:25 am
BNA
- STL
Nonstop1h 20m
Southwest
Thu 4/168:45 pm
STL
- BNA
Nonstop1h 10m
Southwest
Deal found 3/5![Southwest logo]()
$144
This Priceline deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1612:19 pm
BNA
- MDW
1 stop10h 03m
Frontier
Sun 4/199:04 am
MDW
- BNA
1 stop7h 16m
Frontier
Deal found 3/10![Frontier logo]()
$201
This Southwest deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/206:00 am
BNA
- STL
1 stop4h 50m
Southwest
Wed 4/225:15 am
STL
- BNA
1 stop5h 40m
Southwest
Deal found 3/6![Southwest logo]()
$164
This Frontier deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/202:00 pm
BNA
- MDW
1 stop8h 21m
Frontier
Mon 4/276:20 am
MDW
- BNA
1 stop6h 55m
Frontier
Deal found 3/6![Frontier logo]()
$203
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 March 11, 2026.
Search for one-way flight options from Nashville to Illinois. Find affordable one-way fares based on user searches. Data last updated March 11, 2026.
This Southwest deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/86:25 am
BNA
- STL
Nonstop1h 20m
Southwest
Deal found 3/9![Southwest logo]()
$49
This Southwest deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/16:35 pm
BNA
- STL
Nonstop1h 20m
Southwest
Deal found 3/5![Southwest logo]()
$59
This Delta deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/15:15 am
BNA
- STL
1 stop3h 50m
Delta
Deal found 3/10![Delta logo]()
$74
This Trip.com deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/162:35 pm
BNA
- STL
1 stop4h 01m
Southern / Mokulele
Deal found 3/6![Southern / Mokulele logo]()
$76
This Delta deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” 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 5/66:29 am
BNA
- STL
1 stop5h 27m
Delta
Deal found 3/6![Delta logo]()
$79
This American Airlines deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” 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 4/41:09 pm
BNA
- STL
1 stop6h 21m
American Airlines
Deal found 3/7![American Airlines logo]()
$80
This Kiwi.com deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” 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 5/72:35 pm
BNA
- STL
1 stop4h 01m
Southern / Mokulele
Deal found 3/6![Southern / Mokulele logo]()
$82
This Southern / Mokulele deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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.
Thu 4/22:35 pm
BNA
- STL
1 stop4h 01m
Southern / Mokulele
Deal found 3/9![Southern / Mokulele logo]()
$83
This Southwest deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/210:45 pm
BNA
- STL
Nonstop1h 20m
Southwest
Deal found 3/10![Southwest logo]()
$86
This American Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” 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 5/167:23 pm
BNA
- ORD
Nonstop2h 06m
American Airlines
Deal found 3/6![American Airlines logo]()
$102
This Kiwi.com deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” 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.
Sat 5/29:30 am
BNA
- MDW
1 stop6h 43m
Multiple Airlines
Deal found 3/7![Multiple Airlines logo]()
$103
This Southwest deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 5/25:15 am
BNA
- MDW
Nonstop1h 35m
Southwest
Deal found 3/9![Southwest logo]()
$104
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 March 11, 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 | $249 |
Good round-trip deal | $239 or less |
Good one-way deal | $163 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 March 11, 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
Quickest round-trip
NashvilleSt. Louis
BNA - STL
BNASTL
Nashville Intl
Wed 4/15
6:25 am-7:45 am
Nonstop1h 20m
Lambert-St Louis
Thu 4/16
8:45 pm-9:55 pm
Nonstop1h 10m
$144
NashvilleSt. Louis
BNA - STL
BNASTL
Nashville Intl
Mon 4/20
9:55 pm-11:15 pm
Nonstop1h 20m
Lambert-St Louis
Wed 4/22
5:15 am-10:55 am
1 stop5h 40m
$154
NashvilleSt. Louis
BNA - STL
BNASTL
Nashville Intl
Thu 4/2
6:25 am-7:45 am
Nonstop1h 20m
Lambert-St Louis
Mon 4/6
4:55 pm-6:05 pm
Nonstop1h 10m
$171
NashvilleSt. Louis
BNA - STL
BNASTL
Nashville Intl
Thu 5/14
9:55 pm-11:15 pm
Nonstop1h 20m
Lambert-St Louis
Sat 5/16
10:55 am-12:05 pm
Nonstop1h 10m
$171
NashvilleSt. Louis
BNA - STL
BNASTL
Nashville Intl
Mon 5/11
2:35 pm-6:36 pm
1 stop4h 01m
Lambert-St Louis
Sat 5/16
9:50 am-1:48 pm
1 stop3h 58m
$172
NashvilleSt. Louis
BNA - STL
BNASTL
Nashville Intl
Tue 6/30
2:35 pm-6:36 pm
1 stop4h 01m
Lambert-St Louis
Mon 7/6
9:50 am-1:48 pm
1 stop3h 58m
$172
NashvilleChicago
BNA - RFD
BNARFD
Nashville Intl
Thu 7/16
7:00 am-8:29 am
Nonstop1h 29m
Chicago Greater Rockford
Sun 7/19
11:27 am-7:29 pm
1 stop8h 02m
$193
NashvilleChicago
BNA - RFD
BNARFD
Nashville Intl
Fri 6/26
6:53 pm-8:17 am
1 stop13h 24m
Chicago Greater Rockford
Sun 6/28
9:19 am-10:44 am
Nonstop1h 25m
$203
NashvilleChicago
BNA - RFD
BNARFD
Nashville Intl
Thu 6/11
7:00 am-8:29 am
Nonstop1h 29m
Chicago Greater Rockford
Sun 6/14
11:27 am-7:35 pm
1 stop8h 08m
$206
NashvilleChicago
BNA - MDW
BNAMDW
Nashville Intl
Fri 4/17
1:05 pm-2:40 pm
Nonstop1h 35m
Chicago Midway
Tue 4/21
9:50 am-11:15 am
Nonstop1h 25m
$207
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-RFD
BNA-ORD
BNA-MLI
BNA-MDW
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-RFD
BNA-ORD
BNA-MLI
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 $58). Flying from Nashville to Illinois in February is currently the most expensive (average of $202). 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 March 11, 2026.
Unlike in the evening, when flights are generally more expensive, you can save up to 40% on flights from Nashville to Illinois by exploring options for tickets in the morning.
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 February 21, 2026.
Travelers seeking maximum savings on their Nashville to Illinois flight should consider departing on Wednesday at noon when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
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 March 11, 2026.
The most flights from BNA to USIL are scheduled on a Monday (62 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (21 on average).
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 March 11, 2026.
Read reviews from past customers who have flown Southwest,United Airlines, andAmerican Airlines from Nashville to Illinois. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Overall
8.0
Crew
8.6
Comfort
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Boarding
8.1
Overall
8.0
Crew
8.6
Comfort
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Boarding
8.1
Overall
8.0
Crew
8.6
Comfort
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Boarding
8.1
Overall
8.0
Crew
8.6
Comfort
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Boarding
8.1
Overall
8.0
Crew
8.6
Comfort
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Boarding
8.1
Overall
8.0
Crew
8.6
Comfort
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Related info for your journey
Find useful and relevant information for your journey from 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 March 11, 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 March 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$38 | Average$81 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$58 | Average$82 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$59 | Average$128 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$97 | Average$256 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$102 | Average$271 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$107 | Average$267 | FlexibilityNo cancel fee | On-time71% |