STL

$64 Find Cheap Flights from Kentucky to St. Louis

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to St. Louis departing on 1/21. 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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Everything you should know

Cheapest round-trip
$137
Overall average: $300
Frontier
Thu 1/22Fri 1/23
CVG - STL • 1 stop
Cheapest non-stop
$241
Typical prices: $299-$541
Southwest
Tue 1/13Wed 1/14
BNA - STL • Non-stop
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Flight Deals
Useful Info
Flight Deals

Cheap Flights from Kentucky to St. Louis

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Kentucky to St. Louis 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 Kentucky to St. Louis

Thu, Jan 22 - Fri, Jan 23
Frontier Logo
5:39 pm - 10:23 am
CVG
-
STL
17h 44m1 stop
Frontier Logo
5:42 pm - 3:03 pm
STL
-
CVG
20h 21m1 stop
$137Frontier
Mon, Dec 15 - Tue, Dec 16
Southern / Mokulele Logo
2:35 pm - 6:36 pm
BNA
-
STL
4h 01m1 stop
Southern / Mokulele Logo
9:50 am - 1:48 pm
STL
-
BNA
3h 58m1 stop
$154Southern / Mokulele
Wed, Jan 7 - Wed, Jan 14
Multiple Airlines Logo
5:23 pm - 10:33 pm
BNA
-
STL
29h 10m1 stop
Multiple Airlines Logo
3:43 pm - 6:32 pm
STL
-
BNA
26h 49m1 stop
$156Multiple Airlines
Wed, Jan 7 - Wed, Jan 14
Multiple Airlines Logo
5:45 am - 10:33 pm
BNA
-
STL
16h 48m1 stop
Multiple Airlines Logo
8:32 pm - 8:29 pm
STL
-
BNA
23h 57m2 stops
$161Multiple Airlines
Tue, Jan 13 - Wed, Jan 14
Southwest Logo
5:20 pm - 6:45 pm
BNA
-
STL
1h 25mnonstop
Southwest Logo
8:20 am - 1:20 pm
STL
-
BNA
5h 00m1 stop
$195Southwest
Thu, Jan 1 - Wed, Jan 7
Delta Logo
5:47 pm - 8:41 pm
LEX
-
STL
3h 54m1 stop
Delta Logo
10:19 am - 4:54 pm
STL
-
LEX
5h 35m1 stop
$229Delta
Thu, Jan 1 - Wed, Jan 7
American Airlines Logo
8:04 am - 1:36 pm
LEX
-
STL
6h 32m1 stop
American Airlines Logo
6:00 am - 3:37 pm
STL
-
LEX
8h 37m2 stops
$234American Airlines
Sat, Jan 17 - Sat, Jan 24
American Airlines Logo
4:52 pm - 10:59 pm
CVG
-
STL
7h 07m1 stop
American Airlines Logo
1:40 pm - 6:20 pm
STL
-
CVG
3h 40m1 stop
$243American Airlines
Tue, Jan 6 - Sun, Jan 11
Delta Logo
5:40 am - 8:53 am
TYS
-
STL
4h 13m1 stop
Delta Logo
6:55 pm - 11:45 pm
STL
-
TYS
3h 50m1 stop
$265Delta
Fri, Mar 6 - Sat, Mar 7
Southwest Logo
7:25 pm - 12:05 am
TYS
-
STL
5h 40m1 stop
Southwest Logo
5:05 am - 1:10 pm
STL
-
TYS
7h 05m2 stops
$284Southwest
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$64
Best time to beat the crowds with an average 4% drop in price.
Most popular time to fly and prices are also 1% lower on average.
Flight from Cincinnati to St. Louis

FAQs for booking flights from Kentucky to St. Louis

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

    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 Kentucky to St. Louis.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to St. Louis from 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 Kentucky to St. Louis?

    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 to St. Louis with an airline and back to Kentucky with another airline.

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

    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 to St. Louis from Kentucky up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
O'Fallon
Wentzville
Farmington
Eureka
Litchfield
Grafton
Shrewsbury
Glencoe

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

Information on the airport you'll fly into in St. Louis