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Cheap flights from Louisville to St. Louis from $139

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 3/15. 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

These are some of the best round-trip flight deals from Louisville to St. Louis that have been recently found on momondo from popular airlines, departing in the coming months.
6:00 am - 5:16 pmSDF-STL
12h 16m1 stop
6:11 pm - 10:17 pmSTL-SDF
27h 06m1 stop
$168Spirit Airlines
Find Deal
ث, أبريل 15 - ث, أبريل 22
6:00 am - 5:16 pmSDF-STL
12h 16m1 stop
6:11 pm - 6:31 pmSTL-SDF
23h 20m2 stops
$222Spirit Airlines
Find Deal
ث, أبريل 15 - ث, أبريل 22
6:00 am - 5:16 pmSDF-STL
12h 16m1 stop
9:50 am - 10:17 pmSTL-SDF
35h 27m3 stops
ث, أبريل 15 - ث, أبريل 22
5:05 pm - 9:50 pmSDF-STL
5h 45m1 stop
5:05 pm - 12:15 amSTL-SDF
6h 10m1 stop
$337Southwest
Find Deal
ث, يونيو 3 - خ, يونيو 5
1:15 pm - 11:00 pmSDF-STL
10h 45m2 stops
5:05 pm - 12:15 amSTL-SDF
6h 10m1 stop
$342Southwest
Find Deal
ث, يونيو 3 - خ, يونيو 5
1:50 pm - 5:11 pmSDF-STL
4h 21m1 stop
3:30 pm - 8:22 pmSTL-SDF
3h 52m1 stop
$352United Airlines
Find Deal
س, مارس 8 - ر, مارس 12
6:30 am - 10:27 amSDF-STL
4h 57m1 stop
4:26 pm - 8:57 pmSTL-SDF
3h 31m1 stop
$407American Airlines
Find Deal
س, مارس 22 - س, مارس 29
1:08 pm - 11:45 amSDF-STL
47h 37m3 stops
6:30 pm - 10:58 pmSTL-SDF
27h 28m2 stops
س, مارس 22 - س, مارس 29
6:30 am - 10:27 amSDF-STL
4h 57m1 stop
4:26 pm - 12:34 amSTL-SDF
7h 08m2 stops
$470American Airlines
Find Deal
س, مارس 22 - س, مارس 29
6:00 am - 10:08 amSDF-STL
5h 08m1 stop
10:03 am - 7:38 pmSTL-SDF
8h 35m2 stops
$665United Airlines
Find Deal
س, مارس 8 - ر, مارس 12

Spirit Airlines flights from Louisville to St. Louis

Our best Spirit Airlines deals on Louisville to St. Louis flight tickets
Spirit Airlines
Apr 15
SDF6:00 amLouisville Intl
12h 16m
1 stop
STL5:16 pmLambert-St Louis
Apr 22
STL6:11 pmLambert-St Louis
27h 06m
1 stop
SDF10:17 pmLouisville Intl
Spirit Airlines
Apr 15
SDF6:00 amLouisville Intl
12h 16m
1 stop
STL5:16 pmLambert-St Louis
Apr 22
STL6:11 pmLambert-St Louis
23h 20m
2 stops
SDF6:31 pmLouisville Intl
Spirit Airlines
Mar 8
SDF7:16 pmLouisville Intl
21h 26m
1 stop
STL3:42 pmLambert-St Louis
Mar 15
STL10:24 amLambert-St Louis
6h 57m
1 stop
SDF6:21 pmLouisville Intl

Southwest flights from Louisville to St. Louis

Our best Southwest deals on Louisville to St. Louis flight tickets
Southwest
Jun 3
SDF5:05 pmLouisville Intl
5h 45m
1 stop
STL9:50 pmLambert-St Louis
Jun 5
STL5:05 pmLambert-St Louis
6h 10m
1 stop
SDF12:15 amLouisville Intl
Southwest
Jun 3
SDF1:15 pmLouisville Intl
10h 45m
2 stops
STL11:00 pmLambert-St Louis
Jun 5
STL5:05 pmLambert-St Louis
6h 10m
1 stop
SDF12:15 amLouisville Intl
Southwest
Jun 3
SDF2:20 pmLouisville Intl
8h 50m
2 stops
STL10:10 pmLambert-St Louis
Jun 5
STL9:30 amLambert-St Louis
9h 25m
2 stops
SDF7:55 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

$139

Fastest flight time

4h 21m

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 $139. The best round-trip flight deal from Louisville to St. Louis found on momondo in the last 72 hours is $168.
The fastest flight from Louisville to St. Louis takes 4h 21m
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. 4h 21m 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
American AirlinesPriceFrom $192Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $226Free CancellationRating
8.0
8,203 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
Collinsville
Florissant
Maryland Heights
Hermann
Fairview Heights
Fenton
O'Fallon
Farmington
Alton
St. Peters
Wentzville
Eureka
Festus
Glencoe
Clayton
Edwardsville
Litchfield
Grafton

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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