$49 Find Cheap Flights from St. Louis to Kentucky - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from St. Louis to Kentucky departing on 8/13. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Cheap Flights from St. Louis to Kentucky

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Louisville
Louisville1 stop$261
Lexington
Lexington1 stop$271
Nashville
Nashvillenonstop$97
Louisville
Louisville1 stop$261
Lexington
Lexington1 stop$271
Nashville
Nashvillenonstop$97

Book Cheap St. Louis to Kentucky Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from St. Louis to Kentucky that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from St. Louis to Kentucky

Thu, Sep 10 - Mon, Sep 14
Southwest Logo
8:00 am - 9:10 am
STL
-
BNA
1h 10mnonstop
Southwest Logo
8:50 pm - 10:05 pm
BNA
-
STL
1h 15mnonstop
$97Southwest
Sat, Aug 15 - Tue, Aug 18
Southwest Logo
6:50 am - 11:50 am
STL
-
BNA
5h 00m
1 stop
Southwest Logo
8:55 pm - 10:10 pm
BNA
-
STL
1h 15mnonstop
$107Southwest
Fri, Aug 14 - Fri, Aug 21
Frontier Logo
4:57 pm - 11:48 am
STL
-
CVG
17h 51m
1 stop
Frontier Logo
12:26 pm - 5:22 pm
CVG
-
STL
5h 56m
1 stop
$121Frontier
Tue, Sep 22 - Sun, Sep 27
Frontier Logo
10:35 am - 11:43 am
STL
-
CVG
24h 08m
1 stop
Frontier Logo
12:48 pm - 9:40 am
CVG
-
STL
21h 52m
1 stop
$125Frontier
Wed, Aug 5 - Thu, Aug 13
Southern / Mokulele Logo
2:00 pm - 6:03 pm
STL
-
BNA
4h 03m
1 stop
Southern / Mokulele Logo
9:30 am - 1:21 pm
BNA
-
STL
3h 51m
1 stop
$171Southern / Mokulele
Sun, Dec 27 - Thu, Dec 31
Southern / Mokulele Logo
2:00 pm - 6:03 pm
STL
-
BNA
4h 03m
1 stop
Southern / Mokulele Logo
9:30 am - 1:21 pm
BNA
-
STL
3h 51m
1 stop
$172Southern / Mokulele
Fri, Aug 14 - Fri, Aug 21
Multiple Airlines Logo
4:57 pm - 11:08 pm
STL
-
CVG
29h 11m
2 stops
Multiple Airlines Logo
12:26 pm - 5:22 pm
CVG
-
STL
5h 56m
1 stop
$189Multiple Airlines
Sun, Oct 18 - Thu, Oct 22
Multiple Airlines Logo
10:35 am - 11:30 pm
STL
-
TYS
11h 55m
2 stops
Multiple Airlines Logo
6:30 am - 7:15 pm
TYS
-
STL
13h 45m
1 stop
$235Multiple Airlines
Tue, Oct 13 - Sat, Oct 17
Delta Logo
7:10 am - 1:40 pm
STL
-
TYS
5h 30m
1 stop
Delta Logo
6:00 am - 10:51 am
TYS
-
STL
5h 51m
1 stop
$237Delta
Sat, Aug 22 - Sat, Aug 29
Delta Logo
6:00 am - 12:11 pm
STL
-
LEX
5h 11m
1 stop
Delta Logo
8:00 am - 11:56 am
LEX
-
STL
4h 56m
1 stop
$281Delta
Booking Insights

KAYAK's insights & trends for St. Louis to Kentucky flights

Get data-powered insights and trends into flights from St. Louis to Kentucky to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from St. Louis to Kentucky?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 5 days.

In the past 5 days, the cheapest round-trip tickets from St. Louis to Kentucky were found on Southwest ($97) and Frontier ($196).

Find deals

Good to know

Low season

January

Cheapest flight

$49
Best time to beat the crowds with an average 27% drop in price.
Most popular time to fly and prices are also 3% lower on average.
Flight from St. Louis to Nashville

FAQs - booking Kentucky flights

  • How does KAYAK find such low prices on flights from St. Louis to Kentucky?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from St. Louis to Kentucky.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from St. Louis to Kentucky?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from St. Louis to Kentucky is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from St. Louis to Kentucky?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from St. Louis to Kentucky with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from St. Louis to Kentucky?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from St. Louis to Kentucky up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from St. Louis to Kentucky

Information on your arrival and departure airports

St. Louis (STL)