STL - SDF

$155 Find Cheap Flights from St. Louis to Louisville - 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 Louisville departing on 7/14. 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

KAYAK searches hundreds of travel sites at once for deals on flights to Louisville

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from St. Louis to Louisville, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from St. Louis to Louisville, as well as popular online travel agencies
Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

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Everything you should know

Cheapest round-trip
$309
United Airlines
Tue 7/14Tue 7/21
STL - SDF • 1 stop
Cheapest one-way
$155
Delta
Tue 7/14
STL - SDF • 1 stop
Nonstop flights
Not available
There are currently no direct flights between St. Louis and Louisville. You'll need at least 1 connection.
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Top layover airports
Cheapest • Avg $354 (round-trip)
Shortest trip • 3h 05m (one-way)
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Louisville!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from St. Louis to Louisville (STL-SDF)

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

Tue, Jul 14 - Tue, Jul 21
United Airlines Logo
1:13 pm - 8:23 pm
STL
-
SDF
6h 10m
1 stop
United Airlines Logo
7:55 pm - 11:29 pm
SDF
-
STL
4h 34m
1 stop
$309United Airlines
Tue, Jun 30 - Tue, Jul 7
Delta Logo
6:30 am - 1:39 pm
STL
-
SDF
6h 09m
1 stop
Delta Logo
5:28 pm - 8:37 pm
SDF
-
STL
4h 09m
1 stop
$312Delta
Tue, Jul 14 - Tue, Jul 21
Southwest Logo
3:15 pm - 11:15 pm
STL
-
SDF
7h 00m
2 stops
Southwest Logo
7:45 pm - 10:30 pm
SDF
-
STL
3h 45m
1 stop
$314Southwest
Tue, Jun 30 - Tue, Jul 7
Delta Logo
6:30 am - 1:39 pm
STL
-
SDF
6h 09m
1 stop
Delta Logo
5:28 pm - 8:37 pm
SDF
-
STL
4h 09m
1 stop
$315Delta
Tue, Jul 14 - Tue, Jul 21
Southwest Logo
3:15 pm - 11:15 pm
STL
-
SDF
7h 00m
2 stops
Southwest Logo
5:25 pm - 11:45 pm
SDF
-
STL
7h 20m
2 stops
$319Southwest
Fri, Nov 6 - Mon, Nov 9
Southwest Logo
5:45 am - 10:05 am
STL
-
SDF
3h 20m
1 stop
Southwest Logo
8:45 am - 12:20 pm
SDF
-
STL
4h 35m
1 stop
$335Southwest
Tue, Jul 14 - Tue, Jul 21
American Airlines Logo
2:32 pm - 10:39 pm
STL
-
SDF
7h 07m
2 stops
American Airlines Logo
7:10 pm - 12:16 am
SDF
-
STL
6h 06m
1 stop
$343American Airlines
Thu, Sep 17 - Sat, Sep 19
Southwest Logo
4:15 pm - 10:35 pm
STL
-
SDF
5h 20m
1 stop
Southwest Logo
9:00 am - 11:05 am
SDF
-
STL
3h 05m
1 stop
$345Southwest
Tue, Jun 30 - Tue, Jul 7
American Airlines Logo
2:32 pm - 10:19 pm
STL
-
SDF
6h 47m
1 stop
American Airlines Logo
5:04 am - 12:51 pm
SDF
-
STL
8h 47m
2 stops
$346American Airlines
Thu, Sep 17 - Sat, Sep 19
Southwest Logo
12:30 pm - 9:55 pm
STL
-
SDF
8h 25m
2 stops
Southwest Logo
3:50 pm - 8:20 pm
SDF
-
STL
5h 30m
1 stop
$350Southwest
Booking Insights

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

Get data-powered insights and trends into flights from St. Louis to Louisville 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 Louisville?

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 Louisville were found on United Airlines ($309) and Delta ($312).

Good to know

Cheapest flight$155
Flight from St. Louis to Louisville

When to book flights from St. Louis to Louisville

Are your dates flexible? Find out the best times to travel from St. Louis to Louisville based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from St. Louis to Louisville

  • What is the cheapest flight from St. Louis to Louisville?

    In the last 5 days, the lowest price for a flight from St. Louis to Louisville was $155 for a one-way ticket and $309 for a round-trip.

  • Do I need a passport to fly between St. Louis and Louisville?

    No

  • Which aircraft models fly most regularly from St. Louis to Louisville?

    We unfortunately don’t have that data for this specific route.

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

    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 Louisville.

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

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

    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 Louisville with an airline and back to St. Louis with another airline. Booking your flights between St. Louis and SDF can sometimes prove cheaper using this method.

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

    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 Louisville from St. Louis 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 Louisville

Information on your arrival and departure airports