$49+ Cheap flights from St. Louis (STL) to Kentucky
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 4/1. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SDF
Apr 11 — Apr 181
Round-trip
1 adult, Economy
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Cheapest flights from St. Louis to KentuckyExplore the most affordable flight options available from St. Louis to Kentucky. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 12, 2026.
Explore the most affordable flight options available from St. Louis to Kentucky. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 12, 2026.
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.
Tue 3/317:30 am
STL
- BNA
Nonstop1h 10m
Southwest
Wed 4/16:00 am
BNA
- STL
Nonstop1h 20m
Southwest
Deal found 3/10![Southwest logo]()
$97
This Southwest deal was found by Cheapflights users on 3/11. 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.
Wed 4/87:35 am
STL
- BNA
Nonstop1h 10m
Southwest
Wed 4/1512:40 pm
BNA
- STL
2 stops5h 15m
Southwest
Deal found 3/11![Southwest logo]()
$112
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 4/16:00 pm
STL
- BNA
Nonstop1h 10m
Southwest
Mon 4/137:35 pm
BNA
- STL
Nonstop1h 20m
Southwest
Deal found 3/9![Southwest logo]()
$134
This Southwest deal was found by Cheapflights users on 3/11. 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.
Wed 4/87:35 am
STL
- BNA
Nonstop1h 10m
Southwest
Sat 4/119:40 am
BNA
- STL
2 stops6h 45m
Southwest
Deal found 3/11![Southwest logo]()
$149
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/99:50 am
STL
- BNA
1 stop3h 58m
Southern / Mokulele
Sun 4/122:35 pm
BNA
- STL
1 stop4h 01m
Southern / Mokulele
Deal found 3/10![Southern / Mokulele logo]()
$154
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 4/49:35 am
STL
- BNA
1 stop7h 02m
American Airlines
Sat 4/115:00 am
BNA
- STL
1 stop6h 47m
American Airlines
Deal found 3/7![American Airlines logo]()
$159
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/79:50 am
STL
- BNA
1 stop3h 58m
Southern / Mokulele
Tue 4/142:35 pm
BNA
- STL
1 stop4h 01m
Southern / Mokulele
Deal found 3/7![Southern / Mokulele logo]()
$162
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/239:50 am
STL
- BNA
1 stop3h 58m
Southern / Mokulele
Thu 4/302:35 pm
BNA
- STL
1 stop4h 01m
Southern / Mokulele
Deal found 3/9![Southern / Mokulele logo]()
$164
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3011:21 am
STL
- CVG
1 stop5h 44m
Frontier
Sat 5/24:26 pm
CVG
- STL
1 stop7h 53m
Frontier
Deal found 3/9![Frontier logo]()
$202
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 4/248:23 pm
STL
- CVG
2 stops16h 21m
Frontier
Sun 4/266:53 pm
CVG
- STL
1 stop12h 57m
Frontier
Deal found 3/8![Frontier logo]()
$224
This Kiwi.com deal was found by Cheapflights users on 3/11. 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.
Mon 4/134:59 pm
STL
- CVG
1 stop29h 21m
Frontier
Fri 4/177:46 pm
CVG
- STL
1 stop12h 04m
Frontier
Deal found 3/11![Frontier logo]()
$232
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 5/52:30 pm
STL
- TYS
1 stop4h 10m
Southwest
Tue 5/1212:50 pm
TYS
- STL
1 stop8h 05m
Southwest
Deal found 3/9![Southwest logo]()
$233
Best flights from St. Louis to KentuckyDiscover carefully curated flight deals from St. Louis to Kentucky that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 12, 2026.
Discover carefully curated flight deals from St. Louis to Kentucky that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 12, 2026.
This Southwest deal was found by Cheapflights users on 3/11. 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.
Wed 4/84:35 pm
STL
- BNA
1 stop5h 00m
Southwest
Sat 4/117:05 am
BNA
- STL
Nonstop1h 20m
Southwest
Deal found 3/11![Southwest logo]()
$144
This Trip.com deal was found by Cheapflights users on 3/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/99:50 am
STL
- BNA
1 stop3h 58m
Southern / Mokulele
Thu 4/162:35 pm
BNA
- STL
1 stop4h 01m
Southern / Mokulele
Deal found 3/11![Southern / Mokulele logo]()
$154
This American Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/53:24 pm
STL
- TYS
1 stop5h 02m
American Airlines
Tue 5/127:53 am
TYS
- STL
1 stop4h 54m
American Airlines
Deal found 3/12![American Airlines logo]()
$233
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/178:39 am
STL
- CVG
1 stop9h 44m
Frontier
Mon 4/205:20 pm
CVG
- STL
1 stop6h 59m
Frontier
Deal found 3/7![Frontier logo]()
$235
This United Airlines deal was found by Cheapflights users on 3/11. 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.
Mon 5/119:21 am
STL
- TYS
1 stop6h 33m
United Airlines
Thu 5/146:01 pm
TYS
- STL
1 stop4h 12m
United Airlines
Deal found 3/11![United Airlines logo]()
$257
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/246:00 am
STL
- TRI
1 stop6h 00m
Delta
Sat 3/286:15 am
TRI
- STL
1 stop3h 47m
Delta
Deal found 3/9![Delta logo]()
$279
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.
Tue 4/77:35 am
STL
- BNA
Nonstop1h 10m
Southwest
Tue 4/146:25 am
BNA
- STL
Nonstop1h 20m
Southwest
Deal found 3/7![Southwest logo]()
$171
This Southern / Mokulele 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 Southern / Mokulele is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/69:50 am
STL
- BNA
1 stop3h 58m
Southern / Mokulele
Mon 4/132:35 pm
BNA
- STL
1 stop4h 01m
Southern / Mokulele
Deal found 3/8![Southern / Mokulele logo]()
$172
This Southern / Mokulele 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 Southern / Mokulele is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/59:50 am
STL
- BNA
1 stop3h 58m
Southern / Mokulele
Sun 6/72:35 pm
BNA
- STL
1 stop4h 01m
Southern / Mokulele
Deal found 3/7![Southern / Mokulele logo]()
$172
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.
Mon 4/2011:50 am
STL
- BNA
1 stop4h 50m
Southwest
Mon 4/276:35 am
BNA
- STL
Nonstop1h 20m
Southwest
Deal found 3/8![Southwest logo]()
$181
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 4/29:50 am
STL
- BNA
1 stop3h 58m
Southern / Mokulele
Thu 4/92:35 pm
BNA
- STL
1 stop4h 01m
Southern / Mokulele
Deal found 3/9![Southern / Mokulele logo]()
$172
This Southwest deal was found by Cheapflights users on 3/11. 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.
Thu 4/98:45 pm
STL
- BNA
Nonstop1h 10m
Southwest
Thu 4/166:05 pm
BNA
- STL
1 stop5h 20m
Southwest
Deal found 3/11![Southwest logo]()
$181
This Kiwi.com deal was found by Cheapflights users on 3/11. 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.
Sat 4/258:23 pm
STL
- CVG
1 stop20h 25m
Frontier
Sat 5/24:26 pm
CVG
- STL
1 stop7h 53m
Frontier
Deal found 3/11![Frontier logo]()
$248
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.
Thu 4/21:34 pm
STL
- TRI
1 stop6h 55m
American Airlines
Sun 4/55:30 am
TRI
- STL
1 stop6h 29m
American Airlines
Deal found 3/7![American Airlines logo]()
$269
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/246:25 am
STL
- LEX
1 stop5h 50m
United Airlines
Sat 3/285:39 pm
LEX
- STL
1 stop4h 26m
United Airlines
Deal found 3/8![United Airlines logo]()
$279
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/136:29 am
STL
- LEX
1 stop7h 49m
American Airlines
Sat 4/182:15 pm
LEX
- STL
1 stop6h 15m
American Airlines
Deal found 3/10![American Airlines logo]()
$269
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.
Wed 4/85:15 am
STL
- TYS
2 stops8h 05m
Southwest
Wed 4/85:50 pm
TYS
- STL
1 stop5h 10m
Southwest
Deal found 3/10![Southwest logo]()
$238
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 3/276:57 pm
STL
- TRI
1 stop3h 50m
American Airlines
Sat 4/47:51 am
TRI
- STL
1 stop5h 51m
American Airlines
Deal found 3/9![American Airlines logo]()
$274
This Delta deal was found by Cheapflights users on 3/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/266:00 am
STL
- LEX
1 stop6h 39m
Delta
Mon 3/307:55 pm
LEX
- STL
1 stop5h 03m
Delta
Deal found 3/11![Delta logo]()
$341
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.
Tue 4/75:15 am
STL
- TYS
2 stops8h 05m
Southwest
Tue 4/75:50 pm
TYS
- STL
1 stop5h 10m
Southwest
Deal found 3/10![Southwest logo]()
$238
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.
Tue 5/125:28 pm
STL
- SDF
1 stop5h 28m
United Airlines
Wed 5/1311:11 am
SDF
- STL
1 stop6h 28m
United Airlines
Deal found 3/7![United Airlines logo]()
$335
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.
Wed 4/12:00 pm
STL
- CVG
1 stop5h 56m
American Airlines
Sat 4/412:55 pm
CVG
- STL
1 stop9h 16m
American Airlines
Deal found 3/7![American Airlines logo]()
$283
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/266:45 am
STL
- SDF
1 stop5h 53m
Delta
Sun 8/307:20 am
SDF
- STL
1 stop6h 57m
Delta
Deal found 3/9![Delta logo]()
$355
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 5/510:15 am
STL
- TYS
2 stops8h 25m
Southwest
Tue 5/127:05 am
TYS
- STL
2 stops6h 55m
Southwest
Deal found 3/9![Southwest logo]()
$243
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/257:25 am
STL
- LEX
1 stop5h 13m
Delta
Mon 4/274:53 pm
LEX
- STL
1 stop5h 26m
Delta
Deal found 3/7![Delta logo]()
$355
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/257:00 pm
STL
- LEX
1 stop3h 44m
United Airlines
Sun 3/295:45 pm
LEX
- STL
1 stop4h 23m
United Airlines
Deal found 3/10![United Airlines logo]()
$373
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.
Wed 4/16:00 am
STL
- SDF
1 stop4h 32m
American Airlines
Wed 4/16:12 pm
SDF
- STL
1 stop6h 32m
American Airlines
Deal found 3/9![American Airlines logo]()
$309
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 5/28:45 am
STL
- TYS
1 stop5h 35m
Southwest
Mon 5/46:45 pm
TYS
- STL
1 stop3h 10m
Southwest
Deal found 3/9![Southwest logo]()
$257
This Southwest deal was found by Cheapflights users on 3/11. 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.
Sat 4/252:25 pm
STL
- TYS
1 stop3h 05m
Southwest
Sat 5/26:40 am
TYS
- STL
2 stops10h 45m
Southwest
Deal found 3/11![Southwest logo]()
$262
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.
Wed 4/19:37 am
STL
- CVG
1 stop6h 48m
American Airlines
Sun 4/55:00 am
CVG
- STL
1 stop6h 03m
American Airlines
Deal found 3/7![American Airlines logo]()
$329
Last-minute flights from St. Louis to KentuckyDiscover last-minute flight deals from St. Louis to Kentucky. Data last updated March 12, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Kentucky. Data last updated March 12, 2026 and is based on user searches.
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.
Tue 3/317:30 am
STL
- BNA
Nonstop1h 10m
Southwest
Wed 4/16:00 am
BNA
- STL
Nonstop1h 20m
Southwest
Deal found 3/10![Southwest logo]()
$97
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 4/16:00 pm
STL
- BNA
Nonstop1h 10m
Southwest
Mon 4/137:35 pm
BNA
- STL
Nonstop1h 20m
Southwest
Deal found 3/9![Southwest logo]()
$134
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 4/49:35 am
STL
- BNA
1 stop7h 02m
American Airlines
Sat 4/115:00 am
BNA
- STL
1 stop6h 47m
American Airlines
Deal found 3/7![American Airlines logo]()
$159
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/79:50 am
STL
- BNA
1 stop3h 58m
Southern / Mokulele
Tue 4/142:35 pm
BNA
- STL
1 stop4h 01m
Southern / Mokulele
Deal found 3/7![Southern / Mokulele logo]()
$162
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/76:00 am
STL
- TYS
1 stop4h 18m
American Airlines
Tue 4/76:54 pm
TYS
- STL
1 stop5h 05m
American Airlines
Deal found 3/10![American Airlines logo]()
$233
This Southwest deal was found by Cheapflights users on 3/11. 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.
Wed 4/87:35 am
STL
- BNA
Nonstop1h 10m
Southwest
Wed 4/1512:40 pm
BNA
- STL
2 stops5h 15m
Southwest
Deal found 3/11![Southwest logo]()
$112
This Southwest deal was found by Cheapflights users on 3/11. 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.
Wed 4/87:35 am
STL
- BNA
Nonstop1h 10m
Southwest
Sat 4/119:40 am
BNA
- STL
2 stops6h 45m
Southwest
Deal found 3/11![Southwest logo]()
$149
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/99:50 am
STL
- BNA
1 stop3h 58m
Southern / Mokulele
Sun 4/122:35 pm
BNA
- STL
1 stop4h 01m
Southern / Mokulele
Deal found 3/10![Southern / Mokulele logo]()
$154
This Kiwi.com deal was found by Cheapflights users on 3/11. 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.
Mon 4/134:59 pm
STL
- CVG
1 stop29h 21m
Frontier
Fri 4/177:46 pm
CVG
- STL
1 stop12h 04m
Frontier
Deal found 3/11![Frontier logo]()
$232
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/239:50 am
STL
- BNA
1 stop3h 58m
Southern / Mokulele
Thu 4/302:35 pm
BNA
- STL
1 stop4h 01m
Southern / Mokulele
Deal found 3/9![Southern / Mokulele 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.
Fri 4/248:23 pm
STL
- CVG
2 stops16h 21m
Frontier
Sun 4/266:53 pm
CVG
- STL
1 stop12h 57m
Frontier
Deal found 3/8![Frontier logo]()
$224
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3011:21 am
STL
- CVG
1 stop5h 44m
Frontier
Sat 5/24:26 pm
CVG
- STL
1 stop7h 53m
Frontier
Deal found 3/9![Frontier logo]()
$202
One-way flights from St. Louis to KentuckySearch for one-way flight options from St. Louis to Kentucky. Find affordable one-way fares based on user searches. Data last updated March 12, 2026.
Search for one-way flight options from St. Louis to Kentucky. Find affordable one-way fares based on user searches. Data last updated March 12, 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 4/12:25 pm
STL
- BNA
Nonstop1h 10m
Southwest
Deal found 3/9![Southwest logo]()
$49
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 4/75:21 pm
STL
- BNA
1 stop5h 38m
Delta
Deal found 3/10![Delta logo]()
$74
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/99:50 am
STL
- BNA
1 stop3h 58m
Southern / Mokulele
Deal found 3/7![Southern / Mokulele logo]()
$79
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 4/98:45 pm
STL
- BNA
Nonstop1h 10m
Southwest
Deal found 3/10![Southwest logo]()
$86
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 5/79:50 am
STL
- BNA
1 stop3h 58m
Southern / Mokulele
Deal found 3/9![Southern / Mokulele logo]()
$88
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/179:50 am
STL
- BNA
1 stop3h 58m
Southern / Mokulele
Deal found 3/9![Southern / Mokulele logo]()
$89
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/66:00 am
STL
- BNA
1 stop4h 13m
Delta
Deal found 3/9![Delta logo]()
$91
This Orbitz 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/258:12 pm
STL
- CVG
1 stop17h 12m
Frontier
Deal found 3/10![Frontier logo]()
$96
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 4/24:05 pm
STL
- BNA
1 stop3h 30m
Southwest
Deal found 3/9![Southwest logo]()
$96
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 4/186:20 am
STL
- BNA
2 stops6h 35m
Southwest
Deal found 3/9![Southwest logo]()
$101
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/209:50 am
STL
- BNA
1 stop3h 58m
Southern / Mokulele
Deal found 3/10![Southern / Mokulele logo]()
$109
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/711:21 am
STL
- BNA
2 stops12h 17m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$113
Find flight deals from St. Louis to Kentucky
Keep the following information in mind while searching for St. Louis to Kentucky flight deals. Data was last updated March 12, 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 | July |
Cheapest in | April |
Average price | $550 |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to Kentucky 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 12, 2026.
Use the filters below to find and compare flights from St. Louis to Kentucky that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisNashville
STL - BNA
STLBNA
Lambert-St Louis
Wed 4/8
4:35 pm-9:35 pm
1 stop5h 00m
Nashville Intl
Sat 4/11
7:05 am-8:25 am
Nonstop1h 20m
$144
St. LouisNashville
STL - BNA
STLBNA
Lambert-St Louis
Thu 4/9
9:50 am-1:48 pm
1 stop3h 58m
Nashville Intl
Thu 4/16
2:35 pm-6:36 pm
1 stop4h 01m
$154
Quickest round-trip
St. LouisNashville
STL - BNA
STLBNA
Lambert-St Louis
Tue 4/7
7:35 am-8:45 am
Nonstop1h 10m
Nashville Intl
Tue 4/14
6:25 am-7:45 am
Nonstop1h 20m
$171
St. LouisNashville
STL - BNA
STLBNA
Lambert-St Louis
Mon 4/6
9:50 am-1:48 pm
1 stop3h 58m
Nashville Intl
Mon 4/13
2:35 pm-6:36 pm
1 stop4h 01m
$172
St. LouisNashville
STL - BNA
STLBNA
Lambert-St Louis
Fri 6/5
9:50 am-1:48 pm
1 stop3h 58m
Nashville Intl
Sun 6/7
2:35 pm-6:36 pm
1 stop4h 01m
$172
St. LouisNashville
STL - BNA
STLBNA
Lambert-St Louis
Thu 4/2
9:50 am-1:48 pm
1 stop3h 58m
Nashville Intl
Thu 4/9
2:35 pm-6:36 pm
1 stop4h 01m
$172
St. LouisNashville
STL - BNA
STLBNA
Lambert-St Louis
Mon 4/20
11:50 am-4:40 pm
1 stop4h 50m
Nashville Intl
Mon 4/27
6:35 am-7:55 am
Nonstop1h 20m
$181
St. LouisNashville
STL - BNA
STLBNA
Lambert-St Louis
Thu 4/9
8:45 pm-9:55 pm
Nonstop1h 10m
Nashville Intl
Thu 4/16
6:05 pm-11:25 pm
1 stop5h 20m
$181
St. LouisKnoxville
STL - TYS
STLTYS
Lambert-St Louis
Tue 5/5
3:24 pm-9:26 pm
1 stop5h 02m
Knoxville McGhee Tyson
Tue 5/12
7:53 am-11:47 am
1 stop4h 54m
$233
St. LouisCincinnati
STL - CVG
STLCVG
Lambert-St Louis
Fri 4/17
8:39 am-7:23 pm
1 stop9h 44m
Cincinnati Cinci./N. Kentucky
Mon 4/20
5:20 pm-11:19 pm
1 stop6h 59m
$235
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from St. Louis to Kentucky
Have a flexible travel schedule? Discover the best time to fly to Kentucky from St. Louis with our price prediction graph.
STL-BNA
STL-TYS
STL-CVG
STL-TRI
STL-LEX
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 St. Louis to Kentucky
STL-USKY
STL-BNA
STL-TYS
STL-CVG
STL-TRI
No data available for this route at this time. Please check back soon.
Reviews of airlines servicing Kentucky
Get insights into the airlines that provide service to Kentucky. 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 Kentucky. Reviews last updated March 12, 2026.
See what other customers who have flown with Southwest,Delta, andAmerican Airlines from St. Louis to Kentucky have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.0
Food
7.0
Entertainment
7.5
Comfort
8.0
Crew
8.6
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Overall
8.0
Food
7.0
Entertainment
7.5
Comfort
8.0
Crew
8.6
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Overall
8.0
Food
7.0
Entertainment
7.5
Comfort
8.0
Crew
8.6
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Overall
8.0
Food
7.0
Entertainment
7.5
Comfort
8.0
Crew
8.6
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Kentucky. 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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Complete your trip
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St. Louis and Kentucky flights
Browse other St. Louis and Kentucky flight options. Last updated on March 12, 2026.
Popular flight searches
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St. Louis to Kentucky flights
Consider these flights traveling from St. Louis to Kentucky.
Top 3 airlines flying from St. Louis to Kentucky
Discover the top 3 airlines that operate flights from St. Louis to Kentucky. 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 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$118 | Average$413 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$216 | Average$550 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$253 | Average$323 | FlexibilityNo cancel fee | On-time71% |