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

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

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

The number of flights available between Louisiana and St. Louis is 1 per day as of September 2025. The most frequent departure time is 5:00AM, with 36% of daily flights leaving at noon.

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 4h 13m. Keep in mind that layovers or delays could extend your travel time.

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

The number of flights available between Louisiana and St. Louis is 8 per week as of September 2025. The most frequent departure day is Mon, with 25% 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 36% 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.

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 September 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.

$74 Cheap Flights from Louisiana to St. Louis in 2025/26

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Find the cheapest flights from Louisiana to St. Louis

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

7:45 pm - 9:07 amMSY-STL

13h 22m1 stop

10:25 am - 4:57 pmSTL-MSY

6h 32m1 stop

$156Frontier

Find Deal

vie., oct. 31 - lun., nov. 3

7:25 pm - 9:07 amMSY-STL

13h 42m1 stop

11:32 am - 4:37 pmSTL-MSY

5h 05m1 stop

$165Frontier

Find Deal

jue., oct. 23 - dom., oct. 26

6:05 pm - 3:04 pmMSY-STL

20h 59m1 stop

6:05 pm - 4:31 pmSTL-MSY

22h 26m2 stops

$222Multiple Airlines

Find Deal

dom., oct. 5 - vie., oct. 10

6:41 am - 10:37 amMSY-STL

27h 56m2 stops

11:32 am - 6:59 pmSTL-MSY

7h 27m1 stop

$242Multiple Airlines

Find Deal

mié., oct. 8 - dom., oct. 12

5:15 pm - 11:40 pmLFT-STL

6h 25m1 stop

10:00 am - 4:39 pmSTL-LFT

6h 39m1 stop

$249Delta

Find Deal

mié., feb. 18 - sáb., feb. 21

1:40 pm - 6:04 pmBTR-STL

4h 24m1 stop

6:00 am - 12:54 pmSTL-BTR

6h 54m1 stop

$249Delta

Find Deal

jue., feb. 19 - lun., feb. 23

5:20 am - 3:49 pmSHV-STL

10h 29m2 stops

4:35 pm - 10:12 pmSTL-SHV

5h 37m1 stop

$251United Airlines

Find Deal

mié., nov. 19 - sáb., nov. 22

6:46 pm - 11:18 pmBTR-STL

4h 32m1 stop

9:58 am - 6:00 pmSTL-BTR

8h 02m2 stops

$254American Airlines

Find Deal

vie., oct. 24 - mar., oct. 28

6:44 pm - 11:18 pmSHV-STL

4h 34m1 stop

5:11 am - 9:45 amSTL-SHV

4h 34m1 stop

$264American Airlines

Find Deal

mié., oct. 8 - dom., oct. 12

6:50 am - 2:27 pmBTR-STL

7h 37m2 stops

12:25 pm - 9:05 pmSTL-BTR

8h 40m2 stops

$269United Airlines

Find Deal

mar., oct. 7 - sáb., oct. 11

American Airlines flights from Louisiana to St. Louis

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

American Airlines

Oct 24

BTR6:46 pmBaton Rouge Ryan

4h 32m

1 stop

STL11:18 pmLambert-St Louis

Oct 28

STL9:58 amLambert-St Louis

8h 02m

2 stops

BTR6:00 pmBaton Rouge Ryan

$254

Find similar

American Airlines

Oct 8

SHV6:44 pmShreveport

4h 34m

1 stop

STL11:18 pmLambert-St Louis

Oct 12

STL5:11 amLambert-St Louis

4h 34m

1 stop

SHV9:45 amShreveport

$264

Find similar

American Airlines

Nov 7

BTR5:27 pmBaton Rouge Ryan

5h 40m

1 stop

STL11:07 pmLambert-St Louis

Nov 9

STL5:00 amLambert-St Louis

7h 29m

1 stop

BTR12:29 pmBaton Rouge Ryan

$274

Find similar

United Airlines flights from Louisiana to St. Louis

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

United Airlines

Nov 19

SHV5:20 amShreveport

10h 29m

2 stops

STL3:49 pmLambert-St Louis

Nov 22

STL4:35 pmLambert-St Louis

5h 37m

1 stop

SHV10:12 pmShreveport

$251

Find similar

United Airlines

Oct 7

BTR6:50 amBaton Rouge Ryan

7h 37m

2 stops

STL2:27 pmLambert-St Louis

Oct 11

STL12:25 pmLambert-St Louis

8h 40m

2 stops

BTR9:05 pmBaton Rouge Ryan

$269

Find similar

United Airlines

Nov 19

SHV5:20 amShreveport

10h 29m

2 stops

STL3:49 pmLambert-St Louis

Nov 22

STL8:20 amLambert-St Louis

7h 08m

1 stop

SHV3:28 pmShreveport

$293

Find similar

Fly from

Fly to

Route

Depart

Return

Price

New OrleansSt. Louis

MSY - STL

MSYSTL

New Orleans Louis Armstrong

vie. 10/31

7:45 pm-9:07 am

1 stop13h 22m

Lambert-St Louis

lun. 11/3

10:25 am-4:57 pm

1 stop6h 32m

$156

New OrleansSt. Louis

MSY - STL

MSYSTL

New Orleans Louis Armstrong

jue. 10/23

7:25 pm-9:07 am

1 stop13h 42m

Lambert-St Louis

dom. 10/26

11:32 am-4:37 pm

1 stop5h 05m

$165

New OrleansSt. Louis

MSY - STL

MSYSTL

New Orleans Louis Armstrong

dom. 10/5

6:05 pm-3:04 pm

1 stop20h 59m

Lambert-St Louis

vie. 10/10

6:05 pm-4:31 pm

2 stops22h 26m

$222

New OrleansSt. Louis

MSY - STL

MSYSTL

New Orleans Louis Armstrong

mié. 10/8

6:41 am-10:37 am

2 stops27h 56m

Lambert-St Louis

dom. 10/12

11:32 am-6:59 pm

1 stop7h 27m

$242

LafayetteSt. Louis

LFT - STL

LFTSTL

Lafayette Regional

mié. 2/18

5:15 pm-11:40 pm

1 stop6h 25m

Lambert-St Louis

sáb. 2/21

10:00 am-4:39 pm

1 stop6h 39m

$249

Baton RougeSt. Louis

BTR - STL

BTRSTL

Baton Rouge Ryan

jue. 2/19

1:40 pm-6:04 pm

1 stop4h 24m

Lambert-St Louis

lun. 2/23

6:00 am-12:54 pm

1 stop6h 54m

$249

ShreveportSt. Louis

SHV - STL

SHVSTL

Shreveport

mié. 11/19

5:20 am-3:49 pm

2 stops10h 29m

Lambert-St Louis

sáb. 11/22

4:35 pm-10:12 pm

1 stop5h 37m

$251

Baton RougeSt. Louis

BTR - STL

BTRSTL

Baton Rouge Ryan

vie. 10/24

6:46 pm-11:18 pm

1 stop4h 32m

Lambert-St Louis

mar. 10/28

9:58 am-6:00 pm

2 stops8h 02m

$254

ShreveportSt. Louis

SHV - STL

SHVSTL

Shreveport

mié. 10/8

6:44 pm-11:18 pm

1 stop4h 34m

Lambert-St Louis

dom. 10/12

5:11 am-9:45 am

1 stop4h 34m

$264

Baton RougeSt. Louis

BTR - STL

BTRSTL

Baton Rouge Ryan

mar. 10/7

6:50 am-2:27 pm

2 stops7h 37m

Lambert-St Louis

sáb. 10/11

12:25 pm-9:05 pm

2 stops8h 40m

$269

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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, May 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 $342. The month of November is another great option to travel to St. Louis, with average flight prices from Louisiana averaging around $352.

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 $374. 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 $531. 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 evening is the least expensive time of day to depart. momondo users have found prices as low as $396 when looking at flights departing in the evening. 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

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

There is only 1 cabin class 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 26% 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	$135
Fastest flight time	1h 45m
Direct flights	Every day
Airports in St. Louis	1 airport

The best one-way flight to St. Louis from Louisiana in the past 72 hours is $135. The best round-trip flight deal from Louisiana to St. Louis found on momondo in the last 72 hours is $336.

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

Direct flights go from Louisiana to St. Louis every day.

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 September 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 Airbus A320-100/200 (15.48% of total bookings). The next most popular plane models are Boeing 737-700 Passenger/BBJ1 (winglets) (14.29%), Boeing 737 MAX 8 (11.90%), and Boeing 737-800 (10.71%).

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
Delta	PriceFrom $198	Free Cancellation	Rating 7.9 7,974 reviews	Search Delta flights
United Airlines	PriceFrom $218	Free Cancellation	Rating 7.4 8,926 reviews	Search United Airlines flights
American Airlines	PriceFrom $223	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Southwest	PriceFrom $278	Free Cancellation	Rating 8.0 4,244 reviews	Search Southwest flights

St. Charles

Chesterfield

Fairview Heights

Hermann

Florissant

Maryland Heights

O'Fallon

Fenton

Collinsville

Wentzville

Alton

St. Peters

Farmington

Festus

Glencoe

Clayton

Edwardsville

Eureka

Litchfield

Shrewsbury

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.

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Cheap flights from Louisiana to St. Louis from $74

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 10/30. 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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American Airlines flights from Louisiana to St. Louis

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

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

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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

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

There is only 1 cabin class 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 26% 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?

Frontier, Spirit Airlines, and Southwest 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 day?

The number of flights available between Louisiana and St. Louis is 1 per day as of September 2025. The most frequent departure time is 5:00AM, with 36% of daily flights leaving at noon.

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

The number of flights available between Louisiana and St. Louis is 8 per week as of September 2025. The most frequent departure day is Mon, with 25% 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