$126+ Cheap flights from St. Louis (STL) to Kentucky
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/23. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SDF
Nov 25 — Dec 21
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to Kentucky 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 St. Louis to Kentucky
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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 October 26, 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 October 26, 2026.
This American Airlines deal was found by Cheapflights users on 10/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/197:26 am -
1 stop4h 17m
Tue 12/16:24 am -
1 stop5h 10m
Deal found 10/23![American Airlines logo]()
$251
This Southwest deal was found by Cheapflights users on 10/23. 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.
Wed 11/256:25 pm -
1 stop5h 30m
Tue 12/18:50 am -
2 stops5h 50m
Deal found 10/23![Southwest logo]()
$256
This Southwest deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 11/135:10 pm -
1 stop6h 15m
Tue 11/172:05 pm -
1 stop4h 05m
Deal found 10/22![Southwest logo]()
$266
This Southwest deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 12/3110:30 am -
2 stops9h 05m
Mon 1/412:05 pm -
2 stops9h 55m
Deal found 10/22![Southwest logo]()
$267
This Southwest deal was found by Cheapflights users on 10/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/176:20 am -
1 stop3h 10m
Thu 11/198:50 am -
1 stop4h 50m
Deal found 10/25![Southwest logo]()
$275
This Southwest deal was found by Cheapflights users on 10/23. 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 11/205:10 pm -
1 stop6h 15m
Tue 11/245:10 am -
1 stop5h 25m
Deal found 10/23![Southwest logo]()
$301
This Delta deal was found by Cheapflights users on 10/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2110:20 am -
1 stop5h 49m
Sat 11/287:35 am -
1 stop6h 48m
Deal found 10/24![Delta logo]()
$319
This United Airlines deal was found by Cheapflights users on 10/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/125:00 am -
1 stop7h 13m
Sun 11/155:25 am -
1 stop4h 30m
Deal found 10/25![United Airlines logo]()
$334
This Southwest deal was found by Cheapflights users on 10/23. 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 11/245:45 am -
2 stops10h 15m
Mon 12/77:35 pm -
1 stop3h 25m
Deal found 10/23![Southwest logo]()
$339
This United Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 11/76:00 am -
1 stop6h 13m
Wed 11/1111:05 am -
1 stop4h 29m
Deal found 10/22![United Airlines logo]()
$349
This Delta deal was found by Cheapflights users on 10/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/302:38 pm -
1 stop5h 28m
Sat 10/317:10 am -
1 stop4h 41m
Deal found 10/24![Delta logo]()
$399
This American Airlines deal was found by Cheapflights users on 10/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3011:31 am -
1 stop5h 53m
Sat 10/311:08 pm -
2 stops9h 05m
Deal found 10/24![American Airlines logo]()
$404
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 October 26, 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 October 26, 2026.
This Southwest deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 12/316:35 am -
1 stop5h 25m
Mon 1/47:55 pm -
1 stop3h 55m
Deal found 10/22![Southwest logo]()
$251
This American Airlines deal was found by Cheapflights users on 10/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/197:26 am -
1 stop4h 17m
Tue 12/16:24 am -
1 stop5h 10m
Deal found 10/23![American Airlines logo]()
$251
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 11/135:00 am -
1 stop4h 13m
Sun 11/155:25 am -
1 stop6h 07m
Deal found 10/21![United Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 10/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2110:20 am -
1 stop5h 49m
Sat 11/287:35 am -
1 stop6h 48m
Deal found 10/24![Delta logo]()
$319
This Southwest deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 11/135:10 pm -
1 stop6h 15m
Tue 11/172:05 pm -
1 stop4h 05m
Deal found 10/22![Southwest logo]()
$266
This Southwest deal was found by Cheapflights users on 10/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/174:30 pm -
1 stop3h 10m
Thu 11/195:40 am -
2 stops6h 20m
Deal found 10/25![Southwest logo]()
$280
This United Airlines deal was found by Cheapflights users on 10/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/125:00 am -
1 stop7h 13m
Sun 11/155:25 am -
1 stop4h 30m
Deal found 10/25![United Airlines logo]()
$334
This Southwest deal was found by Cheapflights users on 10/23. 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 11/205:10 pm -
1 stop6h 15m
Tue 11/245:10 am -
1 stop5h 25m
Deal found 10/23![Southwest logo]()
$301
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 1/3010:45 am -
1 stop6h 44m
Wed 2/310:20 am -
1 stop5h 08m
Deal found 10/21![United Airlines logo]()
$341
This Delta deal was found by Cheapflights users on 10/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/302:38 pm -
1 stop5h 28m
Sat 10/317:10 am -
1 stop4h 41m
Deal found 10/24![Delta logo]()
$399
This United Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 11/76:00 am -
1 stop6h 13m
Wed 11/1111:05 am -
1 stop4h 29m
Deal found 10/22![United Airlines logo]()
$349
This United Airlines deal was found by Cheapflights users on 10/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/223:15 pm -
1 stop6h 15m
Sun 11/295:10 am -
1 stop4h 45m
Deal found 10/24![United Airlines logo]()
$409
This Southwest deal was found by Cheapflights users on 10/23. 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 11/61:25 pm -
2 stops7h 50m
Tue 11/1012:10 pm -
1 stop4h 25m
Deal found 10/23![Southwest logo]()
$415
This United Airlines deal was found by Cheapflights users on 10/26. 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 11/101:08 pm -
1 stop5h 02m
Sat 11/147:10 am -
1 stop6h 02m
Deal found 10/26![United Airlines logo]()
$439
This United Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 11/66:50 pm -
1 stop4h 04m
Tue 11/105:25 am -
1 stop6h 07m
Deal found 10/22![United Airlines logo]()
$439
This Delta deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 11/263:15 pm -
1 stop6h 34m
Mon 11/307:55 pm -
1 stop5h 01m
Deal found 10/21![Delta logo]()
$698
This United Airlines deal was found by Cheapflights users on 10/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/95:00 am -
1 stop4h 13m
Fri 11/1311:05 am -
1 stop24h 32m
Deal found 10/24![United Airlines logo]()
$537
Last-minute flights from St. Louis to KentuckyDiscover last-minute flight deals from St. Louis to Kentucky. Data last updated October 26, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Kentucky. Data last updated October 26, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/301:08 pm -
1 stop5h 02m
Sat 10/316:15 pm -
1 stop4h 25m
Deal found 10/24![United Airlines logo]()
$399
This American Airlines deal was found by Cheapflights users on 10/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3011:31 am -
1 stop5h 53m
Sat 10/311:08 pm -
2 stops9h 05m
Deal found 10/24![American Airlines logo]()
$404
This United Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 11/76:00 am -
1 stop6h 13m
Wed 11/1111:05 am -
1 stop4h 29m
Deal found 10/22![United Airlines logo]()
$349
This United Airlines deal was found by Cheapflights users on 10/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/125:00 am -
1 stop7h 13m
Sun 11/155:25 am -
1 stop4h 30m
Deal found 10/25![United Airlines logo]()
$334
This Southwest deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 11/135:10 pm -
1 stop6h 15m
Tue 11/172:05 pm -
1 stop4h 05m
Deal found 10/22![Southwest logo]()
$266
This Southwest deal was found by Cheapflights users on 10/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/176:20 am -
1 stop3h 10m
Thu 11/198:50 am -
1 stop4h 50m
Deal found 10/25![Southwest logo]()
$275
This American Airlines deal was found by Cheapflights users on 10/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/197:26 am -
1 stop4h 17m
Tue 12/16:24 am -
1 stop5h 10m
Deal found 10/23![American Airlines logo]()
$251
This Southwest deal was found by Cheapflights users on 10/23. 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 11/205:10 pm -
1 stop6h 15m
Tue 11/245:10 am -
1 stop5h 25m
Deal found 10/23![Southwest logo]()
$301
This Delta deal was found by Cheapflights users on 10/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2110:20 am -
1 stop5h 49m
Sat 11/287:35 am -
1 stop6h 48m
Deal found 10/24![Delta logo]()
$319
This American Airlines deal was found by Cheapflights users on 10/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/215:00 am -
1 stop6h 59m
Sat 11/285:00 am -
1 stop4h 21m
Deal found 10/24![American Airlines logo]()
$415
This Southwest deal was found by Cheapflights users on 10/23. 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 11/245:45 am -
2 stops10h 15m
Mon 12/77:35 pm -
1 stop3h 25m
Deal found 10/23![Southwest logo]()
$339
This Southwest deal was found by Cheapflights users on 10/23. 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.
Wed 11/256:25 pm -
1 stop5h 30m
Tue 12/18:50 am -
2 stops5h 50m
Deal found 10/23![Southwest logo]()
$256
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 October 26, 2026.
Search for one-way flight options from St. Louis to Kentucky. Find affordable one-way fares based on user searches. Data last updated October 26, 2026.
This Delta deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 11/232:31 pm -
1 stop3h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Delta logo]()
$126
This Southwest deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 11/234:40 pm -
2 stops6h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Southwest logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 10/25. 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.
Mon 12/712:02 pm -
2 stops21h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Multiple Airlines logo]()
$170
This American Airlines deal was found by Cheapflights users on 10/25. 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.
Sun 11/226:00 am -
1 stop3h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![American Airlines logo]()
$274
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 11/236:35 pm -
3 stops37h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Multiple Airlines logo]()
$300
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 11/136:34 pm -
3 stops36h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Multiple Airlines logo]()
$317
This KAYAK deal was found by Cheapflights users on 10/26. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/297:16 am -
1 stop4h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![American Airlines logo]()
$321
This Delta deal was found by Cheapflights users on 10/25. 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 11/1210:20 am -
1 stop5h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Delta logo]()
$333
This Kiwi.com deal was found by Cheapflights users on 10/25. 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.
Thu 11/1212:14 pm -
3 stops27h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Multiple Airlines logo]()
$416
This Kiwi.com deal was found by Cheapflights users on 10/25. 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.
Sun 11/226:05 pm -
3 stops42h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Multiple Airlines logo]()
$446
This United Airlines deal was found by Cheapflights users on 10/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/134:39 pm -
2 stops23h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![United Airlines logo]()
$564
This United Airlines deal was found by Cheapflights users on 10/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/225:00 am -
2 stops16h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![United Airlines logo]()
$582
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 October 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $251 (American Airlines) |
One-way from | $126 (Delta) |
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 7,457,451 searches. Data last updated October 26, 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
Quickest round-trip
St. LouisLouisville
STL Lambert-St Louis - SDF Louisville Intl
STLSDF
Lambert-St Louis
Mon 11/23
2:31 pm-7:14 pm
1 stop3h 43m
Louisville Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$126
St. LouisLouisville
STL Lambert-St Louis - SDF Louisville Intl
STLSDF
Lambert-St Louis
Mon 11/23
4:40 pm-12:25 am
2 stops6h 45m
Louisville Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$131
St. LouisLexington
STL Lambert-St Louis - LEX Lexington Blue Grass
STLLEX
Lambert-St Louis
Mon 12/7
12:02 pm-10:34 am
2 stops21h 32m
Lexington Blue Grass
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$170
St. LouisLouisville
STL Lambert-St Louis - SDF Louisville Intl
STLSDF
Lambert-St Louis
Thu 12/31
6:35 am-1:00 pm
1 stop5h 25m
Louisville Intl
Mon 1/4
7:55 pm-10:50 pm
1 stop3h 55m
$251
St. LouisLouisville
STL Lambert-St Louis - SDF Louisville Intl
STLSDF
Lambert-St Louis
Thu 11/19
7:26 am-12:43 pm
1 stop4h 17m
Louisville Intl
Tue 12/1
6:24 am-10:34 am
1 stop5h 10m
$251
St. LouisLouisville
STL Lambert-St Louis - SDF Louisville Intl
STLSDF
Lambert-St Louis
Fri 11/13
5:10 pm-12:25 am
1 stop6h 15m
Louisville Intl
Tue 11/17
2:05 pm-5:10 pm
1 stop4h 05m
$266
St. LouisLexington
STL Lambert-St Louis - LEX Lexington Blue Grass
STLLEX
Lambert-St Louis
Sun 11/22
6:00 am-10:50 am
1 stop3h 50m
Lexington Blue Grass
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$274
St. LouisLouisville
STL Lambert-St Louis - SDF Louisville Intl
STLSDF
Lambert-St Louis
Tue 11/17
4:30 pm-8:40 pm
1 stop3h 10m
Louisville Intl
Thu 11/19
5:40 am-11:00 am
2 stops6h 20m
$280
St. LouisLouisville
STL Lambert-St Louis - SDF Louisville Intl
STLSDF
Lambert-St Louis
Fri 11/20
5:10 pm-12:25 am
1 stop6h 15m
Louisville Intl
Tue 11/24
5:10 am-9:35 am
1 stop5h 25m
$301
St. LouisLexington
STL Lambert-St Louis - LEX Lexington Blue Grass
STLLEX
Lambert-St Louis
Fri 11/13
5:00 am-10:13 am
1 stop4h 13m
Lexington Blue Grass
Sun 11/15
5:25 am-10:32 am
1 stop6h 07m
$319
Showing 1-10 of 26 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-SDF
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-SDF
STL-LEX
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 October 26, 2026.
See what other customers who have flown with Delta and United 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
7.8
Boarding
8.1
Comfort
7.8
Food
7.2
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Overall
7.8
Boarding
8.1
Comfort
7.8
Food
7.2
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Overall
7.8
Boarding
8.1
Comfort
7.8
Food
7.2
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
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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Alternative routes for St. Louis to Kentucky
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Complete your trip
Complete your trip to Kentucky by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from St. Louis to Kentucky by cabin class
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St. Louis and Kentucky flights
Browse other St. Louis and Kentucky flight options. Last updated on October 26, 2026.
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St. Louis to Kentucky flights
Consider these flights traveling from St. Louis to Kentucky.
Top 2 airlines flying from St. Louis to Kentucky
Discover the top 2 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 7,457,451 searches. Data last updated October 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$279 | Average$476 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$308 | Average$477 | FlexibilityNo cancel fee | On-timeN/A |