Kentucky

$85+ 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 7/3. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SDF
Jul 12 — Jul 191
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Cheap flight deals from St. Louis to Kentucky

Cheapest flights from St. Louis to Kentucky
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 June 12, 2026.

This Kiwi.com deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/144:57 pm
STL
-
CVG
1 stop17h 51m
Frontier
Tue 8/1812:12 pm
CVG
-
STL
1 stop6h 18m
Frontier
Deal found 6/11$159
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 7/76:34 pm
STL
-
CVG
1 stop16h 14m
Frontier
Thu 7/912:18 pm
CVG
-
STL
1 stop6h 19m
Frontier
Deal found 6/9$164
This Kiwi.com deal was found by Cheapflights users on 6/8. 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 7/244:57 pm
STL
-
CVG
1 stop17h 51m
Frontier
Fri 7/3112:53 pm
CVG
-
STL
1 stop21h 04m
Frontier
Deal found 6/8$166
This Kiwi.com deal was found by Cheapflights users on 6/8. 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.
Wed 7/15:06 pm
STL
-
CVG
1 stop17h 08m
Frontier
Sun 7/1212:18 pm
CVG
-
STL
1 stop21h 39m
Frontier
Deal found 6/8$167
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 7/114:57 pm
STL
-
CVG
1 stop17h 16m
Frontier
Fri 7/1712:53 pm
CVG
-
STL
1 stop21h 04m
Frontier
Deal found 6/11$175
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 7/236:34 pm
STL
-
CVG
1 stop16h 14m
Frontier
Tue 7/2812:18 pm
CVG
-
STL
1 stop21h 39m
Frontier
Deal found 6/9$179
This Kiwi.com deal was found by Cheapflights users on 6/8. 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.
Mon 7/204:57 pm
STL
-
CVG
1 stop17h 16m
Frontier
Thu 7/2312:18 pm
CVG
-
STL
1 stop6h 19m
Frontier
Deal found 6/8$187
This Southwest deal was found by Cheapflights users on 6/9. 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 8/117:15 am
STL
-
BNA
Nonstop1h 10m
Southwest
Wed 8/128:55 pm
BNA
-
STL
Nonstop1h 15m
Southwest
Deal found 6/9$198
This Kiwi.com deal was found by Cheapflights users on 6/7. 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.
Sun 7/126:34 pm
STL
-
CVG
1 stop16h 14m
Frontier
Fri 7/1712:53 pm
CVG
-
STL
1 stop21h 04m
Frontier
Deal found 6/7$199
This Mytrip deal was found by Cheapflights users on 6/8. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/22:00 pm
STL
-
BNA
1 stop19h 03m
Southern / Mokulele
Mon 7/62:35 pm
BNA
-
STL
1 stop4h 01m
Southern / Mokulele
Deal found 6/8$199
This American Airlines deal was found by Cheapflights users on 6/9. 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.
Tue 8/1110:22 am
STL
-
BNA
1 stop6h 01m
American Airlines
Wed 8/125:54 pm
BNA
-
STL
1 stop6h 20m
American Airlines
Deal found 6/9$205
This CheapOair deal was found by Cheapflights users on 6/9. 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.
Wed 7/84:09 pm
STL
-
BNA
1 stop18h 08m
Multiple Airlines
Sun 7/122:35 pm
BNA
-
STL
1 stop4h 01m
Multiple Airlines
Deal found 6/9$209

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 June 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$159
(Kiwi.com)

One-way from

$85
(Kiwi.com)
Provider with most accurate pricing for Lambert-St Louis-Louisville Intl flight deals.
Provider most trusted by Cheapflights users for Lambert-St Louis-Louisville Intl flights.
From Lambert-St Louis to Kentucky
One-way flight from Lambert-St Louis to Kentucky

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 June 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

Price

Cheapest round-trip

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Thu 7/9

6:34 pm-11:48 am

1 stop16h 14m

Cincinnati Cinci./N. Kentucky

Thu 7/16

12:18 pm-5:37 pm

1 stop6h 19m

$164

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Mon 8/17

4:57 pm-11:14 am

1 stop17h 17m

Cincinnati Cinci./N. Kentucky

Fri 8/21

12:54 pm-8:52 am

1 stop20h 58m

$167

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Sun 7/12

6:34 pm-11:48 am

1 stop16h 14m

Cincinnati Cinci./N. Kentucky

Fri 7/17

12:53 pm-8:57 am

1 stop21h 04m

$199

St. LouisNashville

STL - BNA

STLBNA

Lambert-St Louis

Fri 7/3

2:00 pm-1:48 pm

1 stop23h 48m

Nashville Intl

Mon 7/6

2:35 pm-6:36 pm

1 stop4h 01m

$212

St. LouisNashville

STL - BNA

STLBNA

Lambert-St Louis

Sun 7/5

2:00 pm-1:48 pm

1 stop23h 48m

Nashville Intl

Sun 7/12

2:35 pm-6:36 pm

1 stop4h 01m

$212

St. LouisNashville

STL - BNA

STLBNA

Lambert-St Louis

Thu 8/27

2:00 pm-1:48 pm

1 stop23h 48m

Nashville Intl

Sun 8/30

2:35 pm-6:36 pm

1 stop4h 01m

$212

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Fri 8/14

4:57 pm-11:08 pm

2 stops29h 11m

Cincinnati Cinci./N. Kentucky

Tue 8/18

12:12 pm-5:30 pm

1 stop6h 18m

$217

St. LouisNashville

STL - BNA

STLBNA

Lambert-St Louis

Tue 10/13

4:20 pm-5:30 pm

Nonstop1h 10m

Nashville Intl

Thu 10/15

6:20 am-7:35 am

Nonstop1h 15m

$219

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Tue 9/1

8:25 am-4:50 pm

1 stop7h 25m

Cincinnati Cinci./N. Kentucky

Wed 9/2

9:05 am-4:45 pm

2 stops8h 40m

$234

St. LouisKnoxville

STL - TYS

STLTYS

Lambert-St Louis

Thu 10/1

10:00 am-5:12 pm

1 stop6h 12m

Knoxville McGhee Tyson

Thu 10/8

8:47 am-2:40 pm

1 stop6h 53m

$245

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 60 resultsSorted by cheapest first
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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.
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
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 June 12, 2026.
See what other customers who have flown with Delta 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.

Food

7.2

Entertainment

7.8

Comfort

7.8

Boarding

8.1

Crew

8.5

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Food

7.2

Entertainment

7.8

Comfort

7.8

Boarding

8.1

Crew

8.5

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

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.
  • What airport do you fly from for flights from St. Louis to Kentucky?

    For a flight from St. Louis to Kentucky, you will be flying from Lambert-St Louis. Lambert-St Louis (STL) is just 12.7 mi from the center of the city.

  • How long is the flight from St. Louis to Kentucky?

    Departing from St. Louis to Kentucky will take you 1h 10m. Airlines will cover a distance of 272 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from St. Louis to Kentucky?

  • Can I find deals for flights from St. Louis to Kentucky that include hotel bookings?

    Yes. In addition to deals on St. Louis to Kentucky flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Kentucky?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Kentucky.

  • Can I find deals for business class flights from St. Louis to Kentucky?

    Yes. Cheapflights offers flight deals from St. Louis to Kentucky by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for St. Louis to Kentucky

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from St. Louis to Kentucky

Discover the top airline 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 June 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$196Average$318FlexibilityNo cancel feeOn-timeN/A

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