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Cheap flights from St. Louis to Louisville from $190

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Louisville departing on 2/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from St. Louis to Louisville

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
5:00 pm - 11:58 pm
STL
-
SDF
5h 58m
1 stop
Delta Logo
5:33 am - 9:06 am
SDF
-
STL
4h 33m
1 stop
$255Delta
Tue, Feb 24 - Wed, Feb 25
American Airlines Logo
9:23 am - 6:09 pm
STL
-
SDF
7h 46m
2 stops
American Airlines Logo
6:10 am - 10:03 am
SDF
-
STL
4h 53m
1 stop
$260American Airlines
Tue, Feb 24 - Wed, Feb 25
United Airlines Logo
9:55 am - 8:09 pm
STL
-
SDF
9h 14m
1 stop
United Airlines Logo
5:35 am - 9:05 pm
SDF
-
STL
16h 30m
1 stop
$263United Airlines
Tue, Feb 24 - Wed, Feb 25
Southwest Logo
8:15 am - 4:50 pm
STL
-
SDF
7h 35m
2 stops
Southwest Logo
6:45 am - 12:45 pm
SDF
-
STL
7h 00m
2 stops
$265Southwest
Tue, Feb 24 - Wed, Feb 25
American Airlines Logo
8:00 am - 4:29 pm
STL
-
SDF
7h 29m
2 stops
American Airlines Logo
7:30 am - 3:35 pm
SDF
-
STL
9h 05m
1 stop
$294American Airlines
Tue, Mar 24 - Wed, Mar 25
Southwest Logo
1:15 pm - 10:00 pm
STL
-
SDF
7h 45m
2 stops
Southwest Logo
11:25 am - 7:55 pm
SDF
-
STL
9h 30m
2 stops
$319Southwest
Tue, Mar 24 - Wed, Mar 25
American Airlines Logo
6:00 am - 10:47 am
STL
-
SDF
3h 47m
1 stop
American Airlines Logo
6:00 am - 11:19 am
SDF
-
STL
6h 19m
1 stop
$320American Airlines
Mon, Apr 20 - Wed, Apr 22
Southwest Logo
1:45 pm - 9:45 pm
STL
-
SDF
7h 00m
2 stops
Southwest Logo
8:55 am - 11:30 am
SDF
-
STL
3h 35m
1 stop
$325Southwest
Mon, Apr 20 - Wed, Apr 22
Southwest Logo
1:45 pm - 9:45 pm
STL
-
SDF
7h 00m
2 stops
Southwest Logo
6:20 am - 12:50 pm
SDF
-
STL
7h 30m
2 stops
$330Southwest
Mon, Apr 20 - Wed, Apr 22
Southwest Logo
5:00 am - 11:05 am
STL
-
SDF
5h 05m
1 stop
Southwest Logo
3:30 pm - 9:25 pm
SDF
-
STL
6h 55m
1 stop
$332Southwest
Fri, Mar 20 - Tue, Mar 24

Delta flights from St. Louis to Louisville

Our best Delta deals on St. Louis to Louisville flight tickets
Delta
Feb 24
STL5:00 pmLambert-St Louis
5h 58m
1 stop
SDF11:58 pmLouisville Intl
Feb 25
SDF5:33 amLouisville Intl
4h 33m
1 stop
STL9:06 amLambert-St Louis
$255
Delta
Jul 13
STL3:42 pmLambert-St Louis
4h 10m
1 stop
SDF8:52 pmLouisville Intl
Jul 18
SDF5:45 pmLouisville Intl
6h 52m
1 stop
STL11:37 pmLambert-St Louis
$355
Delta
Feb 12
STL7:10 amLambert-St Louis
6h 24m
1 stop
SDF2:34 pmLouisville Intl
Feb 16
SDF12:12 pmLouisville Intl
6h 30m
1 stop
STL5:42 pmLambert-St Louis
$499

Southwest flights from St. Louis to Louisville

Our best Southwest deals on St. Louis to Louisville flight tickets
Southwest
Feb 24
STL8:15 amLambert-St Louis
7h 35m
2 stops
SDF4:50 pmLouisville Intl
Feb 25
SDF6:45 amLouisville Intl
7h 00m
2 stops
STL12:45 pmLambert-St Louis
$265
Southwest
Mar 24
STL1:15 pmLambert-St Louis
7h 45m
2 stops
SDF10:00 pmLouisville Intl
Mar 25
SDF11:25 amLouisville Intl
9h 30m
2 stops
STL7:55 pmLambert-St Louis
$319
Southwest
Apr 20
STL1:45 pmLambert-St Louis
7h 00m
2 stops
SDF9:45 pmLouisville Intl
Apr 22
SDF8:55 amLouisville Intl
3h 35m
1 stop
STL11:30 amLambert-St Louis
$325

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Louisville 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, momondo users made 832,500 searches. Data last updated January 29, 2026.
Use the filters below to find and compare flights from St. Louis to Louisville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisLouisville

STL - SDF

STLSDF

Lambert-St Louis

Tue 2/24

5:00 pm-11:58 pm

1 stop5h 58m

Louisville Intl

Wed 2/25

5:33 am-9:06 am

1 stop4h 33m

$255

St. LouisLouisville

STL - SDF

STLSDF

Lambert-St Louis

Tue 2/24

9:23 am-6:09 pm

2 stops7h 46m

Louisville Intl

Wed 2/25

6:10 am-10:03 am

1 stop4h 53m

$260

St. LouisLouisville

STL - SDF

STLSDF

Lambert-St Louis

Tue 2/24

9:55 am-8:09 pm

1 stop9h 14m

Louisville Intl

Wed 2/25

5:35 am-9:05 pm

1 stop16h 30m

$263

St. LouisLouisville

STL - SDF

STLSDF

Lambert-St Louis

Tue 2/24

8:15 am-4:50 pm

2 stops7h 35m

Louisville Intl

Wed 2/25

6:45 am-12:45 pm

2 stops7h 00m

$265

St. LouisLouisville

STL - SDF

STLSDF

Lambert-St Louis

Tue 3/24

8:00 am-4:29 pm

2 stops7h 29m

Louisville Intl

Wed 3/25

7:30 am-3:35 pm

1 stop9h 05m

$294

St. LouisLouisville

STL - SDF

STLSDF

Lambert-St Louis

Tue 3/24

1:15 pm-10:00 pm

2 stops7h 45m

Louisville Intl

Wed 3/25

11:25 am-7:55 pm

2 stops9h 30m

$319

St. LouisLouisville

STL - SDF

STLSDF

Lambert-St Louis

Mon 4/20

6:00 am-10:47 am

1 stop3h 47m

Louisville Intl

Wed 4/22

6:00 am-11:19 am

1 stop6h 19m

$320

St. LouisLouisville

STL - SDF

STLSDF

Lambert-St Louis

Mon 4/20

1:45 pm-9:45 pm

2 stops7h 00m

Louisville Intl

Wed 4/22

8:55 am-11:30 am

1 stop3h 35m

$325

St. LouisLouisville

STL - SDF

STLSDF

Lambert-St Louis

Mon 4/20

1:45 pm-9:45 pm

2 stops7h 00m

Louisville Intl

Wed 4/22

6:20 am-12:50 pm

2 stops7h 30m

$330

St. LouisLouisville

STL - SDF

STLSDF

Lambert-St Louis

Fri 3/20

5:00 am-11:05 am

1 stop5h 05m

Louisville Intl

Tue 3/24

3:30 pm-9:25 pm

1 stop6h 55m

$332

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
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See travel insights to Louisville from

How to get the cheapest flight ticket from St. Louis to Louisville

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Lambert-St Louis to Louisville Intl?

Delta is the most popular carrier operating from Lambert-St Louis to Louisville Intl

What airlines fly to Louisville?

American Airlines, Delta and Southwest are the top three most popular airlines that fly to Louisville from St. Louis according to our data. American Airlines is the first choice among our users, with 53% of people opting to fly with this airline when traveling to Louisville. Keep in mind that there are 3 different airlines that fly to Louisville on a routine basis, so you have a few additional options to choose from.

When to book flights from St. Louis to Louisville

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Louisville according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to Louisville (STL to SDF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Louisville

Fastest flight time

3h 40m

Direct flights

None
The fastest flight from St. Louis to Louisville takes 3h 40m
There are no direct flights from St. Louis to Louisville. There are no popular flight routes from St. Louis to Louisville.
Search flight deals

  • How far is Lambert-St Louis to Louisville Intl by plane?

    There are 241.7 mi between Lambert-St Louis and Louisville Intl. By plane, this route typically takes 3h 40m.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Louisville Intl Airport?

    Prices for flights from Lambert-St Louis Airport to Louisville Intl Airport are updated daily.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Louisville Intl Airport?

  • How old do you have to be to fly from Lambert-St Louis Airport to Louisville Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Lambert-St Louis Airport to Louisville Intl Airport.

  • What documentation or ID do you need to fly to Louisville Intl Airport?

    The required travel and health documents for your Louisville Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Louisville Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from St. Louis to Louisville?

Best airlines flying from St. Louis to Louisville

Compare and see reviews for airlines that fly from St. Louis to Louisville with momondo
Airline
Rating
Free Cancellation
Price
SouthwestPriceFrom $216Free CancellationRating
8.0
4,267 reviews
Search Southwest flights

Traveling to a place near Louisville?

Book flights to Louisville if you plan to visit one of these locations
French Lick
Elizabethtown
West Baden Springs
Bardstown
Jeffersonville
Shepherdsville
New Albany
Corydon
Elizabeth
Charlestown
Brandenburg
Springfield
Georgetown

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Louisville?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Louisville from St. Louis.

Can I find flights from St. Louis to Louisville with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Louisville from St. Louis with this policy.

How can momondo help me find flights from St. Louis to Louisville?

Once you have performed a search for St. Louis to Louisville flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from St. Louis to Louisville right now. Can momondo alert me if prices change?

Yes. momondo can track prices for St. Louis to Louisville flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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