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Kentucky

$59+ 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 2/25. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SDF
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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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 January 27, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/273:49 pm
STL
-
CVG
1 stop8h 10m
Frontier
Sun 3/11:07 pm
CVG
-
STL
1 stop18h 44m
Frontier
Deal found 1/27$154
This Trip.com deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/29:50 am
STL
-
BNA
1 stop3h 58m
Southern / Mokulele
Fri 2/62:35 pm
BNA
-
STL
1 stop4h 01m
Southern / Mokulele
Deal found 1/27$155
This Trip.com deal was found by Cheapflights users on 1/25. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/69:50 am
STL
-
BNA
1 stop3h 58m
Southern / Mokulele
Mon 3/92:35 pm
BNA
-
STL
1 stop4h 06m
Southern / Mokulele
Deal found 1/25$163
This Kiwi.com deal was found by Cheapflights users on 1/25. 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 2/273:49 pm
STL
-
BNA
1 stop16h 40m
Multiple Airlines
Mon 3/22:35 pm
BNA
-
STL
1 stop4h 01m
Multiple Airlines
Deal found 1/25$164
This Kiwi.com deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/199:50 am
STL
-
BNA
1 stop4h 05m
Southern / Mokulele
Mon 3/232:35 pm
BNA
-
STL
1 stop4h 06m
Southern / Mokulele
Deal found 1/24$169
This Kiwi.com deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/69:50 am
STL
-
BNA
1 stop3h 58m
Southern / Mokulele
Sun 2/82:35 pm
BNA
-
STL
1 stop4h 01m
Southern / Mokulele
Deal found 1/27$171
This Southern / Mokulele deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southern / Mokulele is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/269:50 am
STL
-
BNA
1 stop3h 58m
Southern / Mokulele
Sun 3/12:35 pm
BNA
-
STL
1 stop4h 01m
Southern / Mokulele
Deal found 1/27$172
This CheapOair deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/179:50 am
STL
-
BNA
1 stop3h 58m
Southern / Mokulele
Mon 4/202:35 pm
BNA
-
STL
1 stop4h 01m
Southern / Mokulele
Deal found 1/27$173
This Kiwi.com deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/118:17 pm
STL
-
BNA
2 stops23h 31m
Multiple Airlines
Sat 2/149:25 am
BNA
-
STL
1 stop14h 34m
Multiple Airlines
Deal found 1/24$181
This Kiwi.com deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/208:20 pm
STL
-
BNA
2 stops21h 25m
Multiple Airlines
Tue 2/242:35 pm
BNA
-
STL
1 stop4h 01m
Multiple Airlines
Deal found 1/24$189
This Kiwi.com deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/129:50 am
STL
-
BNA
1 stop3h 58m
Southern / Mokulele
Sun 2/152:35 pm
BNA
-
STL
1 stop4h 01m
Southern / Mokulele
Deal found 1/24$191
This Southwest deal was found by Cheapflights users on 1/25. 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.
Wed 4/85:35 am
STL
-
BNA
1 stop3h 55m
Southwest
Wed 4/1512:40 pm
BNA
-
STL
2 stops5h 15m
Southwest
Deal found 1/25$196

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 January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$154
(Kiwi.com)

One-way from

$59
(Southwest)

Popular in

July

Cheapest in

April

Average price

$449
Provider with most accurate pricing for Lambert-St Louis-Louisville Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Louisville Intl flights.
Search Deals
From Lambert-St Louis to Kentucky
Search Deals
One-way flight from Lambert-St Louis to Kentucky
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($77 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 27, 2026.
Use the filters below to find and compare flights from St. Louis to Kentucky that are best for you.

Fly from

St. Louis

Fly to

Kentucky

Route

Depart

Return

Price

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Fri 2/27

3:49 pm-12:59 am

1 stop8h 10m

Cincinnati Cinci./N. Kentucky

Sun 3/1

1:07 pm-6:51 am

1 stop18h 44m

$154

St. LouisNashville

STL - BNA

STLBNA

Lambert-St Louis

Fri 2/27

9:50 am-1:48 pm

1 stop3h 58m

Nashville Intl

Sun 3/1

2:35 pm-6:36 pm

1 stop4h 01m

$155

St. LouisNashville

STL - BNA

STLBNA

Lambert-St Louis

Fri 3/20

9:50 am-1:55 pm

1 stop4h 05m

Nashville Intl

Sun 3/22

2:35 pm-6:41 pm

1 stop4h 06m

$169

St. LouisNashville

STL - BNA

STLBNA

Lambert-St Louis

Fri 2/20

9:50 am-1:48 pm

1 stop3h 58m

Nashville Intl

Tue 2/24

2:35 pm-6:36 pm

1 stop4h 01m

$171

St. LouisNashville

STL - BNA

STLBNA

Lambert-St Louis

Fri 2/27

9:50 am-1:48 pm

1 stop3h 58m

Nashville Intl

Mon 3/2

2:35 pm-6:36 pm

1 stop4h 01m

$172

St. LouisNashville

STL - BNA

STLBNA

Lambert-St Louis

Mon 3/2

9:50 am-1:48 pm

1 stop3h 58m

Nashville Intl

Tue 3/3

2:35 pm-6:36 pm

1 stop4h 01m

$172

St. LouisNashville

STL - BNA

STLBNA

Lambert-St Louis

Sat 2/28

9:50 am-1:48 pm

1 stop3h 58m

Nashville Intl

Mon 3/2

2:35 pm-6:36 pm

1 stop4h 01m

$172

St. LouisNashville

STL - BNA

STLBNA

Lambert-St Louis

Fri 2/6

9:50 am-1:48 pm

1 stop3h 58m

Nashville Intl

Sun 2/8

2:35 pm-6:36 pm

1 stop4h 01m

$172

St. LouisNashville

STL - BNA

STLBNA

Lambert-St Louis

Thu 2/26

9:50 am-1:48 pm

1 stop3h 58m

Nashville Intl

Sun 3/1

2:35 pm-6:36 pm

1 stop4h 01m

$172

St. LouisKnoxville

STL - TYS

STLTYS

Lambert-St Louis

Wed 3/4

6:18 pm-12:28 am

1 stop5h 10m

Knoxville McGhee Tyson

Wed 3/11

12:21 pm-5:13 pm

1 stop5h 52m

$233

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 60 results
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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 January 27, 2026.
See what other customers who have flown with Southwest, Delta, and American 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.
Southwest
8.0
Very good
4,268 reviews

Overall

8.0

Comfort

8.0

Crew

8.6

Food

7.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,268 reviews
Southwest
8.0
Very good
4,268 reviews

Overall

8.0

Comfort

8.0

Crew

8.6

Food

7.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,119 reviews
Southwest
8.0
Very good
4,268 reviews

Overall

8.0

Comfort

8.0

Crew

8.6

Food

7.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,197 reviews
Southwest
8.0
Very good
4,268 reviews

Overall

8.0

Comfort

8.0

Crew

8.6

Food

7.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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 3h 58m. 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?

    When deciding which route to take from St. Louis to Kentucky consider Lambert-St Louis - Nashville Intl, Lambert-St Louis - Knoxville McGhee Tyson or Lambert-St Louis - Cincinnati Cinci./N. Kentucky as they are the most popular.

  • 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

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Alternative routes for St. Louis to Kentucky

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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 January 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$196Average$288FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$216Average$550FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$253Average$323FlexibilityNo cancel feeOn-time71%

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