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

Spirit Airlines, Southwest, and Frontier are the most popular carriers operating from Louisiana to Lambert-St Louis

How many flights depart from Louisiana to St. Louis on average per week?

The number of flights available between Louisiana and St. Louis is 6 per week as of July 2025. The most frequent departure day is Mon, with 33% of weekly flights leaving on this day.

What airlines fly to St. Louis?

American Airlines, Southwest and Delta are the top three most popular airlines that fly to St. Louis from Louisiana according to our data. American Airlines is the first choice among our users, with 39% of people opting to fly with this airline when traveling to St. Louis. Keep in mind that there are 4 different airlines that fly to St. Louis on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to St. Louis?

Flight times from Louisiana to St. Louis vary, but if you’re flying out of New Orleans and flying into St. Louis (one of the most popular routes), then the duration is 1h 45m on average. Another popular route from Louisiana to St. Louis is flying from Shreveport to St. Louis, which will take roughly 5h 01m. Keep in mind that layovers or delays could extend your travel time.

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

Prices for flights from Louisiana to Lambert-St Louis Airport are refreshed on a daily basis.

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

As of July 2025, there are 4 operators available to choose from for flights from Louisiana to Lambert-St Louis Airport.

How old do you have to be to fly from Louisiana to Lambert-St Louis Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Louisiana to Lambert-St Louis Airport.

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

The required travel and health documents for your Lambert-St Louis 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 Lambert-St Louis Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$90 Cheap Flights from Louisiana to St. Louis in 2025

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Find the cheapest flights from Louisiana to St. Louis

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

7:27 pm - 1:32 pmMSY-STL

18h 05m1 stop

12:05 pm - 10:52 amSTL-MSY

22h 47m1 stop

$189Spirit Airlines

Find Deal

Thu, Aug 28 - Thu, Sep 4

7:38 pm - 9:07 amMSY-STL

13h 29m1 stop

7:52 pm - 6:53 pmSTL-MSY

23h 01m1 stop

$215Frontier

Find Deal

Mon, Oct 20 - Wed, Oct 22

6:06 am - 12:54 pmMSY-STL

6h 48m1 stop

5:15 am - 10:19 amSTL-MSY

5h 04m1 stop

$232American Airlines

Find Deal

Tue, Aug 26 - Thu, Aug 28

12:19 pm - 6:41 pmMSY-STL

6h 22m1 stop

4:36 pm - 12:15 amSTL-MSY

7h 39m1 stop

$237American Airlines

Find Deal

Fri, Sep 5 - Sun, Sep 7

7:30 am - 12:31 pmSHV-STL

5h 01m1 stop

6:00 am - 12:05 pmSTL-SHV

6h 05m1 stop

$239Delta

Find Deal

Wed, Aug 13 - Sun, Aug 17

9:51 pm - 1:32 pmMSY-STL

15h 41m2 stops

8:00 am - 4:30 pmSTL-MSY

8h 30m1 stop

$240

Find Deal

Thu, Aug 14 - Sun, Aug 17

10:56 am - 6:36 pmMSY-STL

7h 40m2 stops

10:35 am - 8:54 pmSTL-MSY

10h 19m1 stop

$247

Find Deal

Fri, Sep 5 - Sun, Sep 7

10:27 am - 4:05 pmBTR-STL

5h 38m1 stop

11:04 am - 3:52 pmSTL-BTR

4h 48m1 stop

$249Delta

Find Deal

Thu, Sep 11 - Tue, Sep 16

2:15 pm - 6:58 pmLCH-STL

4h 43m1 stop

6:15 am - 1:16 pmSTL-LCH

7h 01m1 stop

$249United Airlines

Find Deal

Tue, Sep 16 - Sat, Sep 20

5:15 pm - 10:16 pmMSY-STL

5h 01m1 stop

8:20 am - 1:10 pmSTL-MSY

4h 50m1 stop

$297United Airlines

Find Deal

Tue, Sep 9 - Sat, Sep 13

United Airlines flights from Louisiana to St. Louis

Our best United Airlines deals on Louisiana to St. Louis flight tickets

United Airlines

Sep 16

LCH2:15 pmLake Charles

4h 43m

1 stop

STL6:58 pmLambert-St Louis

Sep 20

STL6:15 amLambert-St Louis

7h 01m

1 stop

LCH1:16 pmLake Charles

$249

Find similar

United Airlines

Aug 1

SHV5:21 amShreveport

7h 06m

2 stops

STL12:27 pmLambert-St Louis

Aug 4

STL10:15 amLambert-St Louis

7h 08m

1 stop

SHV5:23 pmShreveport

$294

Find similar

United Airlines

Sep 9

MSY5:15 pmNew Orleans Louis Armstrong

5h 01m

1 stop

STL10:16 pmLambert-St Louis

Sep 13

STL8:20 amLambert-St Louis

4h 50m

1 stop

MSY1:10 pmNew Orleans Louis Armstrong

$297

Find similar

Spirit Airlines flights from Louisiana to St. Louis

Our best Spirit Airlines deals on Louisiana to St. Louis flight tickets

Spirit Airlines

Aug 28

MSY7:27 pmNew Orleans Louis Armstrong

18h 05m

1 stop

STL1:32 pmLambert-St Louis

Sep 4

STL12:05 pmLambert-St Louis

22h 47m

1 stop

MSY10:52 amNew Orleans Louis Armstrong

$189

Find similar

Spirit Airlines

Aug 28

MSY8:21 pmNew Orleans Louis Armstrong

17h 11m

2 stops

STL1:32 pmLambert-St Louis

Sep 4

STL12:05 pmLambert-St Louis

7h 21m

1 stop

MSY7:26 pmNew Orleans Louis Armstrong

$226

Find similar

Spirit Airlines

Aug 17

MSY7:27 pmNew Orleans Louis Armstrong

18h 05m

1 stop

STL1:32 pmLambert-St Louis

Aug 24

STL10:37 amLambert-St Louis

12h 32m

1 stop

MSY11:09 pmNew Orleans Louis Armstrong

$256

Find similar

Fly from

Fly to

Route

Depart

Return

Price

New OrleansSt. Louis

MSY - STL

MSYSTL

New Orleans Louis Armstrong

Thu 8/28

7:27 pm-1:32 pm

1 stop18h 05m

Lambert-St Louis

Thu 9/4

12:05 pm-10:52 am

1 stop22h 47m

$189

New OrleansSt. Louis

MSY - STL

MSYSTL

New Orleans Louis Armstrong

Mon 10/20

7:38 pm-9:07 am

1 stop13h 29m

Lambert-St Louis

Wed 10/22

7:52 pm-6:53 pm

1 stop23h 01m

$215

New OrleansSt. Louis

MSY - STL

MSYSTL

New Orleans Louis Armstrong

Tue 8/26

6:06 am-12:54 pm

1 stop6h 48m

Lambert-St Louis

Thu 8/28

5:15 am-10:19 am

1 stop5h 04m

$232

New OrleansSt. Louis

MSY - STL

MSYSTL

New Orleans Louis Armstrong

Fri 9/5

12:19 pm-6:41 pm

1 stop6h 22m

Lambert-St Louis

Sun 9/7

4:36 pm-12:15 am

1 stop7h 39m

$237

ShreveportSt. Louis

SHV - STL

SHVSTL

Shreveport

Wed 8/13

7:30 am-12:31 pm

1 stop5h 01m

Lambert-St Louis

Sun 8/17

6:00 am-12:05 pm

1 stop6h 05m

$239

New OrleansSt. Louis

MSY - STL

MSYSTL

New Orleans Louis Armstrong

Thu 8/14

9:51 pm-1:32 pm

2 stops15h 41m

Lambert-St Louis

Sun 8/17

8:00 am-4:30 pm

1 stop8h 30m

$240

New OrleansSt. Louis

MSY - STL

MSYSTL

New Orleans Louis Armstrong

Fri 9/5

10:56 am-6:36 pm

2 stops7h 40m

Lambert-St Louis

Sun 9/7

10:35 am-8:54 pm

1 stop10h 19m

$247

Baton RougeSt. Louis

BTR - STL

BTRSTL

Baton Rouge Ryan

Thu 9/11

10:27 am-4:05 pm

1 stop5h 38m

Lambert-St Louis

Tue 9/16

11:04 am-3:52 pm

1 stop4h 48m

$249

Lake CharlesSt. Louis

LCH - STL

LCHSTL

Lake Charles

Tue 9/16

2:15 pm-6:58 pm

1 stop4h 43m

Lambert-St Louis

Sat 9/20

6:15 am-1:16 pm

1 stop7h 01m

$249

New OrleansSt. Louis

MSY - STL

MSYSTL

New Orleans Louis Armstrong

Tue 9/9

5:15 pm-10:16 pm

1 stop5h 01m

Lambert-St Louis

Sat 9/13

8:20 am-1:10 pm

1 stop4h 50m

$297

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Louisiana 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

Prices

Airlines

Other information

What is the cheapest month to fly to St. Louis?

In general, November is the cheapest month to fly from Louisiana to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $277. The month of July is another great option to travel to St. Louis, with average flight prices from Louisiana averaging around $281.

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 Thursday when prices can be found for as low as $375. 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 Sunday because tickets tend to average around $504. 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 Louisiana in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $395 when looking at flights departing in the afternoon. At noon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $571 per ticket.

What is the cheapest Louisiana to Lambert-St Louis flight route?

Fly from New Orleans Louis Armstrong to Lambert-St Louis for the best Louisiana - Lambert-St Louis flight prices

How far in advance should I book a flight to St. Louis?

You are more likely to see cheaper flights to St. Louis from Louisiana when booking weeks ahead of your departure date. In general, you can expect to find flights to St. Louis for around $347 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to St. Louis from Louisiana for as low as $248 on momondo.

What cabin class options are available on Louisiana to Lambert-St Louis flights?

There are 1 cabin classes available to choose from on Louisiana to Lambert-St Louis flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Louisiana to St. Louis flights?

You could potentially save up to 37% on your flight if you consider stops on a Louisiana to St. Louis flight.

Cheap Louisiana to St. Louis flight deals and tips

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

Best Price Found	$90
Fastest flight time	1h 45m
Direct flights	Mon, Tue, Wed, Fri, Sat and Sun
Airports in St. Louis	1 airport

The best one-way flight to St. Louis from Louisiana in the past 72 hours is $90. The best round-trip flight deal from Louisiana to St. Louis found on momondo in the last 72 hours is $189.

The fastest flight from Louisiana to St. Louis takes 1h 45m

Direct flights go from Louisiana to St. Louis on Monday, Tuesday, Wednesday, Friday, Saturday and Sunday. The only airline offering direct flights is Southwest.

There is 1 airport near St. Louis: Lambert-St Louis (STL)

Search flight deals

When did momondo last update prices for flights from Louisiana to Lambert-St Louis Airport?
Prices for flights from Louisiana to Lambert-St Louis Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Louisiana to Lambert-St Louis Airport?
As of July 2025, there are 4 operators available to choose from for flights from Louisiana to Lambert-St Louis Airport.
How old do you have to be to fly from Louisiana to Lambert-St Louis Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Louisiana to Lambert-St Louis Airport.
What documentation or ID do you need to fly to Lambert-St Louis Airport?
The required travel and health documents for your Lambert-St Louis 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 Lambert-St Louis Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Louisiana to St. Louis?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Louisiana to St. Louis is Boeing 737 MAX 8 (13.76% of total bookings). The next most popular plane models are Boeing 737-800 Passenger/BBJ2 (winglets) (13.76%), Boeing 737-800 (9.17%), and Airbus A319 (9.17%).

Best airlines flying from Louisiana to St. Louis

Compare and see reviews for airlines that fly from Louisiana to St. Louis with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $218	Free Cancellation	Rating 7.4 8,900 reviews	Search United Airlines flights
American Airlines	PriceFrom $223	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Delta	PriceFrom $226	Free Cancellation	Rating 8.0 7,981 reviews	Search Delta flights
Southwest	PriceFrom $296	Free Cancellation	Rating 8.0 4,246 reviews	Search Southwest flights

St. Charles

Chesterfield

Hermann

Fairview Heights

Maryland Heights

Florissant

Fenton

Collinsville

O'Fallon

Alton

St. Peters

Farmington

Wentzville

Festus

Glencoe

Eureka

Edwardsville

Clayton

Shrewsbury

Grafton

Why use momondo?

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

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 St. Louis from Louisiana.

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

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

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

momondo provides multiple filters to help you find the best flight to St. Louis from Louisiana. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to St. Louis from Louisiana are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your St. Louis trip

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Cheap flights from Louisiana to St. Louis from $90

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Louisiana to St. Louis departing on 10/11. 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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Find the cheapest flights from Louisiana to St. Louis

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United Airlines flights from Louisiana to St. Louis

Our best United Airlines deals on Louisiana to St. Louis flight tickets

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Our best Spirit Airlines deals on Louisiana to St. Louis flight tickets

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Use the filters below to find and compare flights from Louisiana to St. Louis that are best for you.

See travel insights to St. Louis from

How to get the cheapest flight ticket from Louisiana 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?

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

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

What is the cheapest Louisiana to Lambert-St Louis flight route?

Fly from New Orleans Louis Armstrong to Lambert-St Louis for the best Louisiana - Lambert-St Louis flight prices

How far in advance should I book a flight to St. Louis?

What cabin class options are available on Louisiana to Lambert-St Louis flights?

There are 1 cabin classes available to choose from on Louisiana to Lambert-St Louis flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Louisiana to St. Louis flights?

You could potentially save up to 37% on your flight if you consider stops on a Louisiana to St. Louis flight.

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

Spirit Airlines, Southwest, and Frontier are the most popular carriers operating from Louisiana to Lambert-St Louis

What airlines fly to St. Louis?

How many flights depart from Louisiana to St. Louis on average per week?

The number of flights available between Louisiana and St. Louis is 6 per week as of July 2025. The most frequent departure day is Mon, with 33% of weekly flights leaving on this day.

How long does it take to fly to St. Louis?

Cheap Louisiana to St. Louis flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in St. Louis

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

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

How old do you have to be to fly from Louisiana to Lambert-St Louis Airport?

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

What is the most popular plane model from Louisiana to St. Louis?

Best airlines flying from Louisiana to St. Louis

Compare and see reviews for airlines that fly from Louisiana to St. Louis with momondo

Traveling to a place near St. Louis?

Why use momondo?

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

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

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

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

An easier way to manage your St. Louis trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Missouri