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

The number of flights available between St. Louis and Louisiana is 11 per week as of September 2025. The most frequent departure day is Mon, with 27% of weekly flights leaving on this day.

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

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

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 50% 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.

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

1 flights are operational daily from St. Louis to Louisiana as of September 2025. The most popular departure time for this route is 11:00AM, with 63% of flights per day taking off at noon.

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 September 2025, 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.

$71 Cheap Flights from St. Louis to Louisiana in 2025

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Find the cheapest flights from St. Louis to Louisiana

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

11:27 am - 5:00 pmSTL-MSY

5h 33m1 stop

7:45 pm - 9:07 amMSY-STL

13h 22m1 stop

$157Frontier

Find Deal

Sun, Nov 2 - Thu, Nov 6

10:57 am - 6:50 pmSTL-MSY

7h 53m1 stop

6:40 am - 6:10 pmMSY-STL

11h 30m1 stop

$184Spirit Airlines

Find Deal

Tue, Oct 21 - Sat, Oct 25

7:15 pm - 8:07 amSTL-MSY

12h 52m1 stop

6:40 am - 6:10 pmMSY-STL

11h 30m1 stop

$186Spirit Airlines

Find Deal

Sat, Oct 18 - Sat, Oct 25

5:18 am - 9:43 amSTL-SHV

4h 25m1 stop

7:00 am - 11:57 amSHV-STL

4h 57m1 stop

$239American Airlines

Find Deal

Fri, Sep 19 - Sun, Sep 21

4:36 pm - 9:49 pmSTL-SHV

5h 13m1 stop

2:28 pm - 11:48 pmSHV-STL

9h 20m2 stops

$244American Airlines

Find Deal

Thu, Sep 18 - Mon, Sep 22

6:00 am - 10:24 amSTL-LFT

4h 24m1 stop

5:15 pm - 11:40 pmLFT-STL

6h 25m1 stop

$249Delta

Find Deal

Wed, Feb 18 - Sat, Feb 21

6:00 am - 12:54 pmSTL-BTR

6h 54m1 stop

7:00 pm - 11:40 pmBTR-STL

4h 40m1 stop

$249Delta

Find Deal

Sat, Feb 21 - Wed, Feb 25

2:00 pm - 3:40 pmSTL-MSY

1h 40mnonstop

11:05 am - 12:50 pmMSY-STL

1h 45mnonstop

$253Southwest

Find Deal

Tue, Sep 30 - Tue, Oct 7

8:20 am - 3:27 pmSTL-LFT

7h 07m1 stop

12:20 pm - 6:46 pmLFT-STL

6h 26m1 stop

$268United Airlines

Find Deal

Tue, Nov 25 - Fri, Nov 28

8:20 am - 1:16 pmSTL-LFT

4h 56m1 stop

5:20 am - 3:46 pmLFT-STL

10h 26m2 stops

$281United Airlines

Find Deal

Sat, Nov 22 - Tue, Nov 25

Spirit Airlines flights from St. Louis to Louisiana

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

Spirit Airlines

Oct 21

STL10:57 amLambert-St Louis

7h 53m

1 stop

MSY6:50 pmNew Orleans Louis Armstrong

Oct 25

MSY6:40 amNew Orleans Louis Armstrong

11h 30m

1 stop

STL6:10 pmLambert-St Louis

$184

Find similar

Spirit Airlines

Oct 18

STL7:15 pmLambert-St Louis

12h 52m

1 stop

MSY8:07 amNew Orleans Louis Armstrong

Oct 25

MSY6:40 amNew Orleans Louis Armstrong

11h 30m

1 stop

STL6:10 pmLambert-St Louis

$186

Find similar

Spirit Airlines

Oct 18

STL7:15 pmLambert-St Louis

12h 52m

1 stop

MSY8:07 amNew Orleans Louis Armstrong

Oct 25

MSY6:40 amNew Orleans Louis Armstrong

11h 30m

1 stop

STL6:10 pmLambert-St Louis

$188

Find similar

Frontier flights from St. Louis to Louisiana

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

Frontier

Nov 2

STL11:27 amLambert-St Louis

5h 33m

1 stop

MSY5:00 pmNew Orleans Louis Armstrong

Nov 6

MSY7:45 pmNew Orleans Louis Armstrong

13h 22m

1 stop

STL9:07 amLambert-St Louis

$157

Find similar

Frontier

Oct 2

STL4:00 pmLambert-St Louis

23h 57m

1 stop

MSY3:57 pmNew Orleans Louis Armstrong

Oct 9

MSY5:55 pmNew Orleans Louis Armstrong

16h 42m

1 stop

STL10:37 amLambert-St Louis

$200

Find similar

Frontier

Nov 8

STL4:33 pmLambert-St Louis

19h 56m

1 stop

MSY12:29 pmNew Orleans Louis Armstrong

Nov 10

MSY7:45 pmNew Orleans Louis Armstrong

13h 22m

1 stop

STL9:07 amLambert-St Louis

$209

Find similar

Fly from

Fly to

Route

Depart

Return

Price

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Sun 11/2

11:27 am-5:00 pm

1 stop5h 33m

New Orleans Louis Armstrong

Thu 11/6

7:45 pm-9:07 am

1 stop13h 22m

$157

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Tue 10/21

10:57 am-6:50 pm

1 stop7h 53m

New Orleans Louis Armstrong

Sat 10/25

6:40 am-6:10 pm

1 stop11h 30m

$184

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Sat 10/18

7:15 pm-8:07 am

1 stop12h 52m

New Orleans Louis Armstrong

Sat 10/25

6:40 am-6:10 pm

1 stop11h 30m

$186

St. LouisShreveport

STL - SHV

STLSHV

Lambert-St Louis

Fri 9/19

5:18 am-9:43 am

1 stop4h 25m

Shreveport

Sun 9/21

7:00 am-11:57 am

1 stop4h 57m

$239

St. LouisShreveport

STL - SHV

STLSHV

Lambert-St Louis

Thu 9/18

4:36 pm-9:49 pm

1 stop5h 13m

Shreveport

Mon 9/22

2:28 pm-11:48 pm

2 stops9h 20m

$244

St. LouisLafayette

STL - LFT

STLLFT

Lambert-St Louis

Wed 2/18

6:00 am-10:24 am

1 stop4h 24m

Lafayette Regional

Sat 2/21

5:15 pm-11:40 pm

1 stop6h 25m

$249

St. LouisBaton Rouge

STL - BTR

STLBTR

Lambert-St Louis

Sat 2/21

6:00 am-12:54 pm

1 stop6h 54m

Baton Rouge Ryan

Wed 2/25

7:00 pm-11:40 pm

1 stop4h 40m

$249

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Tue 9/30

2:00 pm-3:40 pm

Nonstop1h 40m

New Orleans Louis Armstrong

Tue 10/7

11:05 am-12:50 pm

Nonstop1h 45m

$253

St. LouisLafayette

STL - LFT

STLLFT

Lambert-St Louis

Tue 11/25

8:20 am-3:27 pm

1 stop7h 07m

Lafayette Regional

Fri 11/28

12:20 pm-6:46 pm

1 stop6h 26m

$268

St. LouisLafayette

STL - LFT

STLLFT

Lambert-St Louis

Sat 11/22

8:20 am-1:16 pm

1 stop4h 56m

Lafayette Regional

Tue 11/25

5:20 am-3:46 pm

2 stops10h 26m

$281

Flights are sorted by cheapest round-trip flights first.

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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

Airlines

Other information

What is the cheapest month to fly to Louisiana?

In general, November 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 $318. The month of June is another great option to travel to Louisiana, with average flight prices from St. Louis averaging around $350.

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

According to our data, Monday is the cheapest day to fly to Louisiana from St. Louis. The lowest ticket price found for a Monday departure recently was $345. 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 Friday as prices are generally higher than usual. According to our data, the average ticket price to Louisiana on Friday is $448.

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 $370. In contrast, the most expensive time of day to depart to Louisiana is in the evening when prices are around $428.

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 $392 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 $283 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.

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

No. A direct flight is the cheapest option for a flight between St. Louis to Louisiana.

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	$240
Fastest flight time	1h 40m
Direct flights	Every day
Airports in Louisiana	1 airport

The best flight deal from St. Louis to Louisiana found on momondo in the last 72 hours is $240

The fastest flight from St. Louis to Louisiana takes 1h 40m

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

There is 1 airport near Louisiana: 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 September 2025, 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 (40.50% of total bookings). The next most popular plane models are Boeing 737-800 Passenger/BBJ2 (winglets) (30.58%), Boeing 737-700 Passenger/BBJ1 (winglets) (19.01%), and Airbus A321 (sharklets) (2.48%).

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 $127	Free Cancellation	Rating 5.8 3,194 reviews	Search Frontier flights
Delta	PriceFrom $196	Free Cancellation	Rating 7.9 7,977 reviews	Search Delta flights
American Airlines	PriceFrom $198	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
United Airlines	PriceFrom $212	Free Cancellation	Rating 7.4 8,937 reviews	Search United Airlines flights
Southwest	PriceFrom $240	Free Cancellation	Rating 8.0 4,242 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

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.

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Find better results for your trip to Louisiana

Popular cities in Louisiana

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Cheap flights from St. Louis to Louisiana from $71

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 11/9. 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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Filter for what you want

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Spirit Airlines flights from St. Louis to Louisiana

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

Frontier flights from St. Louis to Louisiana

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

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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

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?

The cheapest time of day to fly to Louisiana is at noon when flights can be purchased for as low as $370. In contrast, the most expensive time of day to depart to Louisiana is in the evening when prices are around $428.

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?

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.

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

No. A direct flight is the cheapest option for a flight between St. Louis to Louisiana.

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

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

What airlines fly to Louisiana?

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

1 flights are operational daily from St. Louis to Louisiana as of September 2025. The most popular departure time for this route is 11:00AM, with 63% of flights per day taking off at noon.

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

The number of flights available between St. Louis and Louisiana is 11 per week as of September 2025. The most frequent departure day is Mon, with 27% of weekly flights leaving on this day.

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

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

How many operators does momondo search 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?

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

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

Popular flights according to clicks in the last 7 days on momondo