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

2 flights are operational daily from St. Louis to Louisiana as of February 2026. The most popular departure time for this route is 7:00AM, with 43% of flights per day taking off at noon.

What airlines fly to Louisiana?

Southwest, American Airlines and United Airlines are the top three most popular airlines that fly to Louisiana from St. Louis according to our data. Southwest is the first choice among our users, with 61% of people opting to fly with this airline when traveling to Louisiana. Keep in mind that there are 5 different airlines that fly to Louisiana on a routine basis, so you have a few additional options to choose from.

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

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

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

The number of flights available between St. Louis and Louisiana is 15 per week as of February 2026. The most frequent departure day is Thu, with 33% of weekly flights leaving on this day.

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

Prices for flights from Lambert-St Louis Airport to Louisiana refresh daily.

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

As of February 2026, there are 5 operators available to choose from for flights from Lambert-St Louis Airport to Louisiana.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Louisiana.

What documentation or ID do you need to fly to Louisiana?

The travel and health documents you'll need for your trip to Louisiana 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 Louisiana. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$67 Cheap Flights from St. Louis to Louisiana in 2026

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Find the cheapest flights from St. Louis to Louisiana

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:22 pm - 9:38 am

STL

MSY

13h 16m

2 stops

6:46 pm - 11:49 am

MSY

STL

17h 03m

1 stop

$152Multiple Airlines

Mon, Mar 2 - Thu, Mar 5

2:09 pm - 9:38 am

STL

MSY

19h 29m

2 stops

10:55 am - 1:34 pm

MSY

STL

26h 39m

1 stop

$157Multiple Airlines

Mon, Mar 9 - Thu, Mar 12

1:09 pm - 2:42 pm

STL

MSY

25h 33m

1 stop

7:27 pm - 10:37 am

MSY

STL

15h 10m

2 stops

$167Multiple Airlines

Fri, Mar 6 - Tue, Mar 10

6:57 pm - 11:59 pm

STL

MSY

5h 02m

1 stop

10:47 am - 5:13 pm

MSY

STL

6h 26m

1 stop

$197American Airlines

Mon, Mar 16 - Wed, Mar 18

1:59 pm - 1:39 pm

STL

MSY

23h 40m

1 stop

9:51 pm - 11:59 pm

MSY

STL

26h 08m

1 stop

$198Frontier

Fri, Feb 27 - Sun, Mar 1

5:12 am - 9:43 am

STL

SHV

4h 31m

1 stop

6:26 pm - 11:22 pm

SHV

STL

4h 56m

1 stop

$249American Airlines

Sat, Mar 7 - Tue, Mar 10

6:00 am - 10:39 am

STL

LFT

4h 39m

1 stop

5:21 pm - 11:36 pm

LFT

STL

6h 15m

1 stop

$251Delta

Wed, Mar 4 - Wed, Mar 4

10:09 am - 3:32 pm

STL

BTR

5h 23m

1 stop

5:00 am - 9:25 am

BTR

STL

4h 25m

1 stop

$257United Airlines

Tue, Apr 28 - Wed, Apr 29

11:15 am - 9:10 pm

STL

BTR

9h 55m

2 stops

5:00 am - 9:25 am

BTR

STL

4h 25m

1 stop

$262United Airlines

Tue, Apr 28 - Wed, Apr 29

6:00 am - 10:46 am

STL

LFT

4h 46m

1 stop

3:00 pm - 9:06 pm

LFT

STL

6h 06m

1 stop

$279Delta

Mon, Mar 9 - Mon, Mar 16

American Airlines flights from St. Louis to Louisiana

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

American Airlines

Mar 16

STL6:57 pmLambert-St Louis

5h 02m

1 stop

MSY11:59 pmNew Orleans Louis Armstrong

Mar 18

MSY7:00 amNew Orleans Louis Armstrong

5h 43m

1 stop

STL12:43 pmLambert-St Louis

$197

American Airlines

Mar 2

STL6:57 pmLambert-St Louis

5h 02m

1 stop

MSY11:59 pmNew Orleans Louis Armstrong

Mar 7

MSY5:30 amNew Orleans Louis Armstrong

5h 31m

1 stop

STL11:01 amLambert-St Louis

$205

American Airlines

Mar 21

STL6:57 pmLambert-St Louis

5h 02m

1 stop

MSY11:59 pmNew Orleans Louis Armstrong

Mar 24

MSY7:00 amNew Orleans Louis Armstrong

6h 16m

1 stop

STL1:16 pmLambert-St Louis

$237

Frontier flights from St. Louis to Louisiana

Our best Frontier deals on St. Louis to Louisiana flight tickets

Frontier

Feb 27

STL1:59 pmLambert-St Louis

23h 40m

1 stop

MSY1:39 pmNew Orleans Louis Armstrong

Mar 1

MSY9:51 pmNew Orleans Louis Armstrong

26h 08m

1 stop

STL11:59 pmLambert-St Louis

$198

Frontier

Feb 18

STL4:51 pmLambert-St Louis

7h 33m

1 stop

MSY12:24 amNew Orleans Louis Armstrong

Feb 22

MSY10:59 pmNew Orleans Louis Armstrong

7h 52m

1 stop

STL6:51 amLambert-St Louis

$202

Frontier

Mar 1

STL3:49 pmLambert-St Louis

21h 15m

1 stop

MSY1:04 pmNew Orleans Louis Armstrong

Mar 2

MSY9:51 pmNew Orleans Louis Armstrong

24h 36m

1 stop

STL10:27 pmLambert-St Louis

$219

Fly from

Fly to

Route

Depart

Return

Price

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Mon 3/2

8:22 pm-9:38 am

2 stops13h 16m

New Orleans Louis Armstrong

Thu 3/5

6:46 pm-11:49 am

1 stop17h 03m

$152

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Mon 3/9

2:09 pm-9:38 am

2 stops19h 29m

New Orleans Louis Armstrong

Thu 3/12

10:55 am-1:34 pm

1 stop26h 39m

$157

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Fri 3/6

1:09 pm-2:42 pm

1 stop25h 33m

New Orleans Louis Armstrong

Tue 3/10

7:27 pm-10:37 am

2 stops15h 10m

$167

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Mon 3/16

6:57 pm-11:59 pm

1 stop5h 02m

New Orleans Louis Armstrong

Wed 3/18

10:47 am-5:13 pm

1 stop6h 26m

$197

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Fri 2/27

1:59 pm-1:39 pm

1 stop23h 40m

New Orleans Louis Armstrong

Sun 3/1

9:51 pm-11:59 pm

1 stop26h 08m

$198

St. LouisShreveport

STL - SHV

STLSHV

Lambert-St Louis

Sat 3/7

5:12 am-9:43 am

1 stop4h 31m

Shreveport

Tue 3/10

6:26 pm-11:22 pm

1 stop4h 56m

$249

St. LouisLafayette

STL - LFT

STLLFT

Lambert-St Louis

Wed 3/4

6:00 am-10:39 am

1 stop4h 39m

Lafayette Regional

Wed 3/4

5:21 pm-11:36 pm

1 stop6h 15m

$251

St. LouisBaton Rouge

STL - BTR

STLBTR

Lambert-St Louis

Tue 4/28

10:09 am-3:32 pm

1 stop5h 23m

Baton Rouge Ryan

Wed 4/29

5:00 am-9:25 am

1 stop4h 25m

$257

St. LouisBaton Rouge

STL - BTR

STLBTR

Lambert-St Louis

Tue 4/28

11:15 am-9:10 pm

2 stops9h 55m

Baton Rouge Ryan

Wed 4/29

5:00 am-9:25 am

1 stop4h 25m

$262

St. LouisLafayette

STL - LFT

STLLFT

Lambert-St Louis

Mon 3/9

6:00 am-10:46 am

1 stop4h 46m

Lafayette Regional

Mon 3/16

3:00 pm-9:06 pm

1 stop6h 06m

$279

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 St. Louis to Louisiana

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

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What is the cheapest month to fly to Louisiana?

In general, September is the cheapest month to fly from St. Louis to Louisiana. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $307. The month of August is another great option to travel to Louisiana, with average flight prices from St. Louis averaging around $364.

What is the cheapest day to depart on your flight to Louisiana?

According to our data, Tuesday is the cheapest day to fly to Louisiana from St. Louis. The lowest ticket price found for a Tuesday departure recently was $356. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Thursday as prices are generally higher than usual. According to our data, the average ticket price to Louisiana on Thursday is $450.

What is the cheapest time of day to depart on your flight to Louisiana?

The cheapest time of day to fly to Louisiana is at noon when flights can be purchased for as low as $371. In contrast, the most expensive time of day to depart to Louisiana is in the evening when prices are around $416.

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

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

How far in advance should I book a flight to Louisiana?

You are more likely to see cheaper flights to Louisiana from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Louisiana for around $400 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Louisiana from St. Louis for as low as $319 on momondo.

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

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

Cheap St. Louis to Louisiana flight deals and tips

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

Best Price Found	$330
Fastest flight time	1h 45m
Direct flights	Every day
Airports in Louisiana	31 airports

The best one-way flight to Louisiana from St. Louis in the past 72 hours is $330. The best round-trip flight deal from St. Louis to Louisiana found on momondo in the last 72 hours is $374.

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

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

There are 31 airports in Louisiana. From St. Louis there are direct flights to New Orleans Louis Armstrong (MSY).

Search flight deals

When did momondo last update prices for flights from Lambert-St Louis Airport to Louisiana?
Prices for flights from Lambert-St Louis Airport to Louisiana refresh daily.
How many operators does momondo search for flights from Lambert-St Louis Airport to Louisiana?
As of February 2026, there are 5 operators available to choose from for flights from Lambert-St Louis Airport to Louisiana.
How old do you have to be to fly from Lambert-St Louis Airport to Louisiana?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Louisiana.
What documentation or ID do you need to fly to Louisiana?
The travel and health documents you'll need for your trip to Louisiana 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 Louisiana. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from St. Louis to Louisiana?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from St. Louis to Louisiana is Boeing 737 MAX 8 (55.78% of total bookings). The next most popular plane models are Boeing 737-800 Passenger/BBJ2 (winglets) (31.29%), Boeing 737-700 Passenger/BBJ1 (winglets) (6.12%), and Airbus A321 (sharklets) (2.04%).

Best airlines flying from St. Louis to Louisiana

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

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $82	Free Cancellation	Rating 5.7 3,052 reviews	Search Frontier flights
Delta	PriceFrom $93	Free Cancellation	Rating 7.9 8,186 reviews	Search Delta flights
American Airlines	PriceFrom $186	Free Cancellation	Rating 7.2 11,275 reviews	Search American Airlines flights
United Airlines	PriceFrom $196	Free Cancellation	Rating 7.4 9,283 reviews	Search United Airlines flights
Southwest	PriceFrom $240	Free Cancellation	Rating 8.0 4,283 reviews	Search Southwest flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from St. Louis to Louisiana. Millions of users trust and use momondo every year so you are in good hands.

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

Flights from St. Louis to Louisiana with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Louisiana from St. Louis.

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

Yes momondo offers price alerts on flights to Louisiana from St. Louis. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Louisiana trip

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Popular cities in Louisiana

Flights to New Yorkfrom $52

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Flights to Las Vegasfrom $46

Flights to Washington, D.C.from $25

Flights to Bostonfrom $65

Flights to Atlantafrom $49

Flights to Dallasfrom $54

Flights to Seattlefrom $66

Cheap flights from St. Louis to Louisiana from $67

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 Louisiana departing on 3/11. 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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How to get the cheapest flight ticket from St. Louis to Louisiana

What is the cheapest month to fly to Louisiana?

What is the cheapest day to depart on your flight to Louisiana?

What is the cheapest time of day to depart on your flight to Louisiana?

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

How far in advance should I book a flight to Louisiana?

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

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

What airlines fly to Louisiana?

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

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

Cheap St. Louis to Louisiana flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Louisiana

Best airlines flying from St. Louis to Louisiana

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

Why use momondo?

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

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

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

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

An easier way to manage your Louisiana 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 Louisiana

Popular cities in Louisiana

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According to popular flight searches on momondo this year

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