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Cheap flights from St. Louis to Louisville from $192

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 5/8. 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.
Southwest Logo
10:25 am - 3:05 pm
STL
-
SDF
3h 40m
1 stop
Southwest Logo
5:50 pm - 10:35 pm
SDF
-
STL
5h 45m
1 stop
$275Southwest
Wed, May 20 - Wed, May 27
Southwest Logo
10:25 am - 3:05 pm
STL
-
SDF
3h 40m
1 stop
Southwest Logo
4:40 pm - 10:10 pm
SDF
-
STL
6h 30m
2 stops
$280Southwest
Wed, May 20 - Wed, May 27
Southwest Logo
2:30 pm - 9:05 pm
STL
-
SDF
5h 35m
1 stop
Southwest Logo
6:20 am - 12:50 pm
SDF
-
STL
7h 30m
2 stops
$298Southwest
Tue, May 26 - Wed, May 27
United Airlines Logo
7:05 pm - 11:49 pm
STL
-
SDF
3h 44m
1 stop
United Airlines Logo
9:00 am - 2:23 pm
SDF
-
STL
6h 23m
1 stop
$311United Airlines
Sat, May 23 - Mon, May 25
Southwest Logo
5:45 am - 2:45 pm
STL
-
SDF
8h 00m
2 stops
Southwest Logo
7:00 am - 1:00 pm
SDF
-
STL
7h 00m
2 stops
$317Southwest
Tue, May 26 - Wed, May 27
American Airlines Logo
6:12 pm - 12:28 am
STL
-
SDF
5h 16m
1 stop
American Airlines Logo
8:08 pm - 11:44 pm
SDF
-
STL
4h 36m
1 stop
$335American Airlines
Wed, Jun 3 - Sun, Jun 7
Southwest Logo
2:10 pm - 10:15 pm
STL
-
SDF
7h 05m
2 stops
Southwest Logo
12:10 pm - 8:00 pm
SDF
-
STL
8h 50m
2 stops
$338Southwest
Wed, May 20 - Wed, May 27
United Airlines Logo
5:41 pm - 10:30 pm
STL
-
SDF
3h 49m
1 stop
United Airlines Logo
7:10 am - 12:11 pm
SDF
-
STL
6h 01m
1 stop
$345United Airlines
Tue, Jun 2 - Wed, Jun 3
American Airlines Logo
6:13 pm - 12:28 am
STL
-
SDF
5h 15m
1 stop
American Airlines Logo
7:18 pm - 12:16 am
SDF
-
STL
5h 58m
1 stop
$348American Airlines
Wed, Jun 24 - Sun, Jun 28
Southwest Logo
2:05 pm - 8:50 pm
STL
-
SDF
5h 45m
2 stops
Southwest Logo
5:45 am - 10:50 am
SDF
-
STL
6h 05m
1 stop
$351Southwest
Sat, May 23 - Mon, May 25

American Airlines flights from St. Louis to Louisville

Our best American Airlines deals on St. Louis to Louisville flight tickets
American Airlines
Jun 3
STL6:12 pmLambert-St Louis
5h 16m
1 stop
SDF12:28 amLouisville Intl
Jun 7
SDF8:08 pmLouisville Intl
4h 36m
1 stop
STL11:44 pmLambert-St Louis
$335
American Airlines
Jun 24
STL6:13 pmLambert-St Louis
5h 15m
1 stop
SDF12:28 amLouisville Intl
Jun 28
SDF7:18 pmLouisville Intl
5h 58m
1 stop
STL12:16 amLambert-St Louis
$348
American Airlines
Jun 3
STL6:35 amLambert-St Louis
7h 17m
2 stops
SDF2:52 pmLouisville Intl
Jun 7
SDF5:00 amLouisville Intl
4h 32m
1 stop
STL8:32 amLambert-St Louis
$384

United Airlines flights from St. Louis to Louisville

Our best United Airlines deals on St. Louis to Louisville flight tickets
United Airlines
May 23
STL7:05 pmLambert-St Louis
3h 44m
1 stop
SDF11:49 pmLouisville Intl
May 25
SDF9:00 amLouisville Intl
6h 23m
1 stop
STL2:23 pmLambert-St Louis
$311
United Airlines
Jun 2
STL5:41 pmLambert-St Louis
3h 49m
1 stop
SDF10:30 pmLouisville Intl
Jun 3
SDF7:10 amLouisville Intl
6h 01m
1 stop
STL12:11 pmLambert-St Louis
$345
United Airlines
Jul 14
STL5:33 pmLambert-St Louis
5h 32m
1 stop
SDF12:05 amLouisville Intl
Jul 15
SDF5:20 amLouisville Intl
4h 21m
1 stop
STL8:41 amLambert-St Louis
$355

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 April 30, 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

Cheapest round-trip
Quickest round-trip

St. LouisLouisville

STL - SDF

STLSDF

Lambert-St Louis

Wed 5/20

10:25 am-3:05 pm

1 stop3h 40m

Louisville Intl

Wed 5/27

5:50 pm-10:35 pm

1 stop5h 45m

$275

St. LouisLouisville

STL - SDF

STLSDF

Lambert-St Louis

Wed 5/20

10:25 am-3:05 pm

1 stop3h 40m

Louisville Intl

Wed 5/27

4:40 pm-10:10 pm

2 stops6h 30m

$280

St. LouisLouisville

STL - SDF

STLSDF

Lambert-St Louis

Tue 5/26

2:30 pm-9:05 pm

1 stop5h 35m

Louisville Intl

Wed 5/27

6:20 am-12:50 pm

2 stops7h 30m

$298

St. LouisLouisville

STL - SDF

STLSDF

Lambert-St Louis

Sat 5/23

7:05 pm-11:49 pm

1 stop3h 44m

Louisville Intl

Mon 5/25

9:00 am-2:23 pm

1 stop6h 23m

$311

St. LouisLouisville

STL - SDF

STLSDF

Lambert-St Louis

Tue 5/26

5:45 am-2:45 pm

2 stops8h 00m

Louisville Intl

Wed 5/27

7:00 am-1:00 pm

2 stops7h 00m

$317

St. LouisLouisville

STL - SDF

STLSDF

Lambert-St Louis

Wed 6/3

6:12 pm-12:28 am

1 stop5h 16m

Louisville Intl

Sun 6/7

8:08 pm-11:44 pm

1 stop4h 36m

$335

St. LouisLouisville

STL - SDF

STLSDF

Lambert-St Louis

Wed 5/20

2:10 pm-10:15 pm

2 stops7h 05m

Louisville Intl

Wed 5/27

12:10 pm-8:00 pm

2 stops8h 50m

$338

St. LouisLouisville

STL - SDF

STLSDF

Lambert-St Louis

Tue 6/2

5:41 pm-10:30 pm

1 stop3h 49m

Louisville Intl

Wed 6/3

7:10 am-12:11 pm

1 stop6h 01m

$345

St. LouisLouisville

STL - SDF

STLSDF

Lambert-St Louis

Wed 6/24

6:13 pm-12:28 am

1 stop5h 15m

Louisville Intl

Sun 6/28

7:18 pm-12:16 am

1 stop5h 58m

$348

St. LouisLouisville

STL - SDF

STLSDF

Lambert-St Louis

Sat 5/23

2:05 pm-8:50 pm

2 stops5h 45m

Louisville Intl

Mon 5/25

5:45 am-10:50 am

1 stop6h 05m

$351

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 month to fly to Louisville?

If you are unable to visit Louisville during the month of February, then departing from St. Louis during the month January is also very affordable. Most momondo users find prices during this month for around $0.

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 05m

Direct flights

None
The fastest flight from St. Louis to Louisville takes 3h 05m
There are no direct flights from St. Louis to Louisville. There are no popular flight routes from St. Louis to Louisville.
Search flight deals

Frequently asked questions about flying from St. Louis to Louisville

  • 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 05m.

  • 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 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.

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
Jeffersonville
Bardstown
New Albany
Shepherdsville
Brandenburg
Corydon
Elizabeth
Charlestown
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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