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Cheap flights from Louisville to St. Louis from $187

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Louisville to St. Louis departing on 4/17. 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 Louisville to St. Louis

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Louisville to St. Louis.
2:37 pm - 6:02 pmSDF-STL
4h 25m1 stop
6:00 am - 12:01 pmSTL-SDF
5h 01m1 stop
$237Delta
Find Deal
Wed, Apr 30 - Wed, May 7
7:20 pm - 10:10 pmSDF-STL
3h 50m1 stop
10:30 am - 10:35 pmSTL-SDF
11h 05m2 stops
$291Southwest
Find Deal
Wed, Apr 30 - Wed, May 7
8:58 am - 12:53 pmSDF-STL
4h 55m1 stop
9:52 am - 4:33 pmSTL-SDF
5h 41m1 stop
$320American Airlines
Find Deal
Tue, Apr 15 - Sat, Apr 19
11:50 am - 4:15 pmSDF-STL
5h 25m1 stop
3:29 pm - 12:13 amSTL-SDF
7h 44m2 stops
$325American Airlines
Find Deal
Tue, Apr 15 - Sat, Apr 19
8:58 am - 1:55 pmSDF-STL
5h 57m1 stop
7:23 am - 2:07 pmSTL-SDF
5h 44m1 stop
$330American Airlines
Find Deal
Fri, Sep 5 - Sun, Sep 7
6:25 am - 1:45 pmSDF-STL
8h 20m2 stops
5:35 am - 2:10 pmSTL-SDF
7h 35m1 stop
$354Southwest
Find Deal
Fri, Sep 5 - Sun, Sep 7
4:05 pm - 10:10 pmSDF-STL
7h 05m2 stops
10:30 am - 10:35 pmSTL-SDF
11h 05m2 stops
$356Southwest
Find Deal
Wed, Apr 30 - Wed, May 7
12:55 pm - 6:35 pmSDF-STL
6h 40m2 stops
5:45 am - 2:25 pmSTL-SDF
7h 40m2 stops
$369Southwest
Find Deal
Fri, Sep 5 - Sun, Sep 7
11:04 am - 3:47 pmSDF-STL
5h 43m1 stop
1:12 pm - 8:29 pmSTL-SDF
6h 17m1 stop
$496United Airlines
Find Deal
Mon, Apr 14 - Fri, Apr 18
11:04 am - 2:42 pmSDF-STL
4h 38m1 stop
6:30 am - 2:40 pmSTL-SDF
7h 10m2 stops
$681United Airlines
Find Deal
Mon, Apr 14 - Fri, Apr 18

Delta flights from Louisville to St. Louis

Our best Delta deals on Louisville to St. Louis flight tickets
Delta
Apr 30
SDF2:37 pmLouisville Intl
4h 25m
1 stop
STL6:02 pmLambert-St Louis
May 7
STL6:00 amLambert-St Louis
5h 01m
1 stop
SDF12:01 pmLouisville Intl
Delta
Apr 6
SDF6:00 amLouisville Intl
4h 36m
1 stop
STL9:36 amLambert-St Louis
Apr 11
STL7:05 amLambert-St Louis
5h 48m
1 stop
SDF1:53 pmLouisville Intl
Delta
Apr 3
SDF11:09 amLouisville Intl
5h 28m
1 stop
STL3:37 pmLambert-St Louis
Apr 5
STL6:50 amLambert-St Louis
3h 32m
1 stop
SDF11:22 amLouisville Intl

Southwest flights from Louisville to St. Louis

Our best Southwest deals on Louisville to St. Louis flight tickets
Southwest
Apr 30
SDF7:20 pmLouisville Intl
3h 50m
1 stop
STL10:10 pmLambert-St Louis
May 7
STL10:30 amLambert-St Louis
11h 05m
2 stops
SDF10:35 pmLouisville Intl
Southwest
Sep 5
SDF6:25 amLouisville Intl
8h 20m
2 stops
STL1:45 pmLambert-St Louis
Sep 7
STL5:35 amLambert-St Louis
7h 35m
1 stop
SDF2:10 pmLouisville Intl
Southwest
Apr 30
SDF4:05 pmLouisville Intl
7h 05m
2 stops
STL10:10 pmLambert-St Louis
May 7
STL10:30 amLambert-St Louis
11h 05m
2 stops
SDF10:35 pmLouisville Intl

See travel insights to St. Louis from

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

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 St. Louis?

In general, August is the cheapest month to fly from Louisville to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $193. The month of April is another great option to travel to St. Louis, with average flight prices from Louisville averaging around $288.

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Saturday when prices can be found for as low as $297. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around $475. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Louisville in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $304 when looking at flights departing in the afternoon. In the morning is when there is more demand to fly to St. Louis, so prices are often more expensive at around $344 per ticket.

When to book flights from Louisville to St. Louis

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

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

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

Best Price Found

$187

Fastest flight time

3h 50m

Direct flights

None

Airports in St. Louis

1 airport
The best one-way flight to St. Louis from Louisville in the past 72 hours is $187. The best round-trip flight deal from Louisville to St. Louis found on momondo in the last 72 hours is $237.
The fastest flight from Louisville to St. Louis takes 3h 50m
There are no direct flights from Louisville to St. Louis. Popular non-direct route for this connection is Louisville Intl Airport - Lambert-St Louis Airport.
There is 1 airport near St. Louis: Lambert-St Louis (STL)

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

    Lambert-St Louis is 241.7 mi away from Louisville Intl. 3h 50m is a normal flight duration for this route.

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

    Prices for flights from Louisville Intl Airport to Lambert-St Louis Airport were last updated today.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Louisville Intl Airport to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The travel and health documents you'll need for your trip to Lambert-St Louis Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Lambert-St Louis Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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


Best airlines flying from Louisville to St. Louis

Compare and see reviews for airlines that fly from Louisville to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $226Free CancellationRating
8.0
7,899 reviews
Search Delta flights

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Florissant
Fairview Heights
Maryland Heights
Hermann
Collinsville
Fenton
Farmington
O'Fallon
St. Peters
Wentzville
Alton
Glencoe
Eureka
Festus
Edwardsville
Clayton
Grafton
Litchfield

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Louisville to St. Louis. momondo saves you time and could save you money on your trip.

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

momondo does allow users to show only those flights to St. Louis from Louisville which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search for Louisville to St. Louis 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 Louisville to St. Louis right now. Can momondo alert me if prices change?

If you are simply researching potential flights to St. Louis, momondo offers a useful price alert feature which will track prices for flights to St. Louis from Louisville and alert you when they change.


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