How popular is this St. Louis to New Orleans flight route?

This flight path from Lambert-St Louis to New Orleans Louis Armstrong was viewed by 2 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

What are the cheapest airlines flying from St. Louis to New Orleans round-trip?

Cheapflights users have booked flights from St. Louis to New Orleans round-trip from $251. Other airlines that can offer you cheap pricing are Frontier, from $258, and American Airlines, from $267. These flights start at 32% lower than the current average price 3 months from now.

What are the cheapest airlines to fly from St. Louis to New Orleans one-way?

To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $70. United Airlines flights start at $81 while deals on Spirit Airlines start at $97 one-way.

What are the cheapest flights from St. Louis to New Orleans?

On average you can expect to pay $410 for a flight from St. Louis to New Orleans. The cheapest flight overall is $165 while the most popular route, (Lambert-St Louis - New Orleans Louis Armstrong) is currently priced at $168.

What are the most popular airlines that fly from St. Louis to New Orleans?

American Airlines, Delta and Frontier are the most popular airlines when flying from St. Louis to New Orleans.

What is the cheapest day to fly round-trip from St. Louis to New Orleans?

Leaving on a Sunday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 30% on the overall cost on flights from St. Louis to New Orleans.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 51 days in advance, which can save you up to 132% on flights from St. Louis to New Orleans compared to booking the week you need them. Waiting 51 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $328. For sooner than that we have options available in the next 3 days from $467.

What is the cheapest month to fly from St. Louis to New Orleans?

Due to multiple factors, expect to potentially pay more when booking in October. For low rates, August can be a great choice for travel to New Orleans. Flights to New Orleans from St. Louis in August are about $371 on average during August, but can be found for as low as $161.

Most accurate provider : When it comes to deals on St. Louis-New Orleans flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-New Orleans flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-New Orleans flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on St. Louis-New Orleans flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-New Orleans flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airports do I use to fly from St. Louis to New Orleans?

If you wish to fly to New Orleans from St. Louis, then you need to book flights from Lambert-St Louis to New Orleans Louis Armstrong. There are 2 flights from Lambert-St Louis (STL) to Louis Armstrong (MSY) per day to choose from. Flights to New Orleans from Lambert-St Louis are available from 6 different airlines, which means you should have some options if you want to compare airfare deals. 1h 40m is how long a nonstop flight from St. Louis to New Orleans Louis Armstrong typically takes.

Can I find deals for flights from St. Louis to New Orleans that include hotel bookings?

Yes. In addition to deals on St. Louis to New Orleans flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from St. Louis to New Orleans?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to New Orleans.

Can I find deals for business class flights from St. Louis to New Orleans?

Yes. Cheapflights offers flight deals from St. Louis to New Orleans by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$70+ Save on Flights from St. Louis to New Orleans

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from St. Louis to New Orleans with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Lambert-St Louis to New Orleans Louis Armstrong are usually found in August or June, booked 50 days in advance, depart on a Monday or Sunday and return on a Thursday

Cheap flight deals from St. Louis to New Orleans

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$248 (Mytrip)
One-way from	$70 (American Airlines)
Popular in	October
Cheapest in	August
Average price	$456
Good round-trip deal	$356 or less
Good one-way deal	$165 or less

Provider with most accurate pricing for Lambert-St Louis-New Orleans Louis Armstrong flight deals.

Search Deals

Provider most trusted by Cheapflights users for Lambert-St Louis-New Orleans Louis Armstrong flights.

Search Deals

From Lambert-St Louis to New Orleans Louis Armstrong

Search Deals

One-way flight from Lambert-St Louis to New Orleans Louis Armstrong

Search Deals

Highest demand for flights based on searches. 3% potential increase in price ($15 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in March 2025

Search Deals

Price to beat on a round-trip flight from Lambert-St Louis to New Orleans Louis Armstrong.

Search Deals

Price to beat on a one-way flight from Lambert-St Louis to New Orleans Louis Armstrong.

Search Deals

Find flight deals from St. Louis to New Orleans

Cheapest flights from St. Louis to New Orleans
Explore the most affordable flight options available from St. Louis to New Orleans. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 25, 2025.

Mon 5/512:15 pmSTL - MSY

2 stops21h 13mMultiple Airlines

Wed 5/75:45 amMSY - STL

2 stops27h 30mMultiple Airlines

Deal found 3/24

$248

Tue 5/275:27 pmSTL - MSY

1 stop4h 43mUnited Airlines

Sat 5/315:05 amMSY - STL

1 stop5h 07mUnited Airlines

Deal found 3/24

$251

Thu 4/174:57 pmSTL - MSY

1 stop21h 17mFrontier

Sun 4/207:51 pmMSY - STL

1 stop13h 15mFrontier

Deal found 3/24

$258

Tue 6/105:29 pmSTL - MSY

1 stop5h 11mAmerican Airlines

Sun 6/156:08 amMSY - STL

1 stop6h 42mAmerican Airlines

Deal found 3/23

$267

Sun 5/46:10 pmSTL - MSY

2 stops15h 57mSpirit Airlines

Wed 5/75:45 amMSY - STL

2 stops27h 30mSpirit Airlines

Deal found 3/24

$269

Mon 6/97:04 pmSTL - MSY

1 stop4h 30mDelta

Tue 6/175:16 pmMSY - STL

1 stop6h 26mDelta

Deal found 3/23

$296

Tue 5/276:40 pmSTL - MSY

Nonstop1h 45mSouthwest

Sat 5/3110:00 amMSY - STL

Nonstop1h 50mSouthwest

Deal found 3/24

$300

Best flights from St. Louis to New Orleans
Discover carefully curated flight deals from St. Louis to New Orleans that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 25, 2025.

Mon 5/512:15 pmSTL - MSY

2 stops21h 13mMultiple Airlines

Wed 5/75:45 amMSY - STL

2 stops27h 30mMultiple Airlines

Deal found 3/24

$248

Tue 5/275:27 pmSTL - MSY

1 stop4h 43mUnited Airlines

Sat 5/315:05 amMSY - STL

1 stop5h 07mUnited Airlines

Deal found 3/24

$251

Thu 4/174:57 pmSTL - MSY

1 stop21h 17mFrontier

Sun 4/207:51 pmMSY - STL

1 stop13h 15mFrontier

Deal found 3/24

$258

Tue 6/105:29 pmSTL - MSY

1 stop5h 11mAmerican Airlines

Sun 6/156:08 amMSY - STL

1 stop6h 42mAmerican Airlines

Deal found 3/23

$267

Sun 5/46:10 pmSTL - MSY

2 stops15h 57mSpirit Airlines

Wed 5/75:45 amMSY - STL

2 stops27h 30mSpirit Airlines

Deal found 3/24

$269

Mon 6/97:04 pmSTL - MSY

1 stop4h 30mDelta

Tue 6/175:16 pmMSY - STL

1 stop6h 26mDelta

Deal found 3/23

$296

Tue 5/276:40 pmSTL - MSY

Nonstop1h 45mSouthwest

Sat 5/3110:00 amMSY - STL

Nonstop1h 50mSouthwest

Deal found 3/24

$300

Last-minute flights from St. Louis to New Orleans
Discover last-minute flight deals from St. Louis to New Orleans. Data last updated March 25, 2025 and is based on user searches.

Sat 3/297:03 pmSTL - MSY

1 stop23h 41mFrontier

Mon 3/313:25 pmMSY - STL

1 stop8h 24mFrontier

Deal found 3/23

$338

Sat 3/291:51 pmSTL - MSY

1 stop6h 05mAmerican Airlines

Wed 4/210:19 amMSY - STL

1 stop6h 22mAmerican Airlines

Deal found 3/23

$581

Sun 3/305:15 pmSTL - MSY

2 stops24h 46mMultiple Airlines

Mon 3/319:57 pmMSY - STL

1 stop19h 55mMultiple Airlines

Deal found 3/23

$454

Sun 3/306:47 pmSTL - MSY

1 stop20h 36mSpirit Airlines

Mon 3/319:57 pmMSY - STL

1 stop19h 55mSpirit Airlines

Deal found 3/23

$509

Sun 3/3010:15 pmSTL - MSY

Nonstop1h 50mSouthwest

Mon 3/316:00 pmMSY - STL

Nonstop1h 50mSouthwest

Deal found 3/23

$611

Tue 4/110:40 amSTL - MSY

2 stops9h 29mUnited Airlines

Fri 4/47:00 amMSY - STL

1 stop5h 20mUnited Airlines

Deal found 3/24

$616

Tue 4/89:41 amSTL - MSY

1 stop5h 34mAmerican Airlines

Wed 4/165:10 amMSY - STL

1 stop5h 16mAmerican Airlines

Deal found 3/24

$298

Tue 4/87:45 amSTL - MSY

2 stops21h 49mAlaska Airlines

Sat 4/126:59 pmMSY - STL

2 stops28h 51mAlaska Airlines

Deal found 3/24

$914

Thu 4/107:12 pmSTL - MSY

1 stop4h 15mDelta

Mon 4/147:14 pmMSY - STL

1 stop4h 22mDelta

Deal found 3/24

$438

Sat 4/126:45 pmSTL - MSY

1 stop15h 10mMultiple Airlines

Mon 4/145:52 amMSY - STL

2 stops35h 23mMultiple Airlines

Deal found 3/23

$261

Tue 4/1510:15 amSTL - MSY

Nonstop1h 45mSouthwest

Sat 4/197:15 amMSY - STL

1 stop6h 55mSouthwest

Deal found 3/24

$316

Tue 4/156:10 pmSTL - MSY

1 stop21h 03mSpirit Airlines

Sat 4/193:09 pmMSY - STL

2 stops26h 06mSpirit Airlines

Deal found 3/24

$324

One-way flights from St. Louis to New Orleans
Search for one-way flight options from St. Louis to New Orleans. Find affordable one-way fares based on user searches. Data last updated March 25, 2025.

Mon 4/285:00 amSTL - MSY

1 stop4h 50mAmerican Airlines

Deal found 3/24

$70

Fri 4/255:35 pmSTL - MSY

1 stop4h 55mUnited Airlines

Deal found 3/24

$81

Sun 5/1110:10 amSTL - MSY

1 stop9h 03mSpirit Airlines

Deal found 3/24

$97

Wed 4/306:00 amSTL - MSY

1 stop4h 47mDelta

Deal found 3/24

$99

Sun 5/48:00 amSTL - MSY

1 stop8h 47mSun Country Air

Deal found 3/24

$112

Mon 4/2812:15 pmSTL - MSY

2 stops21h 13mMultiple Airlines

Deal found 3/23

$122

Sat 5/247:24 pmSTL - MSY

1 stop22h 54mFrontier

Deal found 3/24

$131

Sun 5/256:55 pmSTL - MSY

Nonstop1h 40mSouthwest

Deal found 3/24

$148

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Mon 5/5

12:15 pm-9:28 am

2 stops21h 13m

New Orleans Louis Armstrong

Wed 5/7

5:45 am-9:15 am

2 stops27h 30m

$248

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Tue 5/27

5:27 pm-10:10 pm

1 stop4h 43m

New Orleans Louis Armstrong

Sat 5/31

5:05 am-10:12 am

1 stop5h 07m

$251

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Thu 4/17

4:57 pm-2:14 pm

1 stop21h 17m

New Orleans Louis Armstrong

Sun 4/20

7:51 pm-9:06 am

1 stop13h 15m

$258

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Tue 6/10

5:29 pm-10:40 pm

1 stop5h 11m

New Orleans Louis Armstrong

Sun 6/15

6:08 am-12:50 pm

1 stop6h 42m

$267

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Sun 5/4

6:10 pm-10:07 am

2 stops15h 57m

New Orleans Louis Armstrong

Wed 5/7

5:45 am-9:15 am

2 stops27h 30m

$269

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Mon 6/9

7:04 pm-11:34 pm

1 stop4h 30m

New Orleans Louis Armstrong

Tue 6/17

5:16 pm-11:42 pm

1 stop6h 26m

$296

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Tue 5/27

6:40 pm-8:25 pm

Nonstop1h 45m

New Orleans Louis Armstrong

Sat 5/31

10:00 am-11:50 am

Nonstop1h 50m

$300

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Mon 4/28

5:00 am-9:50 am

1 stop4h 50m

$70

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Fri 4/25

5:35 pm-10:30 pm

1 stop4h 55m

$81

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Sun 5/11

10:10 am-7:13 pm

1 stop9h 03m

$97

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Showing 1-10 of 15 results

Compare providers for flights from St. Louis to New Orleans

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to New Orleans in March.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Priceline	Price Accuracy1 star	Trust Score*3 stars
Mytrip	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on St. Louis-New Orleans flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-New Orleans flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-New Orleans flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on St. Louis-New Orleans flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-New Orleans flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from St. Louis to New Orleans

Have a flexible travel schedule? Discover the best time to fly to New Orleans from St. Louis with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to New Orleans

How far ahead should I book a flight from St. Louis to New Orleans?

To ensure you get the cheapest price possible for a flight from St. Louis to New Orleans, you should look to book at least 50 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from St. Louis to New Orleans?

Currently, August is the cheapest month in which you can book a flight from St. Louis to New Orleans (average of $256). Flying from St. Louis to New Orleans in April is currently the most expensive (average of $343). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from STL to MSY?

Unlike at noon, when flights are generally more expensive, you can save up to 22% on flights from St. Louis to New Orleans by exploring options for tickets in the morning.

What is the cheapest day to fly from St. Louis to New Orleans?

Travelers seeking maximum savings on their St. Louis to New Orleans flight should consider departing on Wednesday at noon when fares are most often at their lowest. Wednesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from St. Louis to New Orleans

The most flights from STL to MSY are scheduled on a Sunday (4 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (1 on average).

Rainfall in New Orleans by month

In terms of precipitation, rainfall in New Orleans ranges from 3.3 - 6.4 inches per month. June is typically the wettest month, when rainfall can reach 6.4 in. October is typically the driest time to visit New Orleans when rainfall is around 3.3 in.

Temperature in New Orleans by month

If weather is an important factor for your trip to New Orleans, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing New Orleans

Get a feel of what it's like to fly with Southwest, Delta and United Airlines from St. Louis to New Orleans by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Southwest

8.0

Very good

4,272 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Southwest

8.0

Very good

4,272 reviews

Southwest

8.0

Very good

4,272 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Delta

8.0

Very good

7,890 reviews

Southwest

8.0

Very good

4,272 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

United Airlines

7.4

Good

8,605 reviews

Southwest

8.0

Very good

4,272 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

American Airlines

7.2

Good

10,000 reviews

Southwest

8.0

Very good

4,272 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Sun Country Air

6.9

Okay

348 reviews

Southwest

8.0

Very good

4,272 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

What airports do I use to fly from St. Louis to New Orleans?
If you wish to fly to New Orleans from St. Louis, then you need to book flights from Lambert-St Louis to New Orleans Louis Armstrong. There are 2 flights from Lambert-St Louis (STL) to Louis Armstrong (MSY) per day to choose from. Flights to New Orleans from Lambert-St Louis are available from 6 different airlines, which means you should have some options if you want to compare airfare deals. 1h 40m is how long a nonstop flight from St. Louis to New Orleans Louis Armstrong typically takes.
How popular is this St. Louis to New Orleans flight route?
This flight path from Lambert-St Louis to New Orleans Louis Armstrong was viewed by 2 users in the past month. Keep an eye out for changes in search interest prior to high and low season.
What are the cheapest airlines flying from St. Louis to New Orleans round-trip?
Cheapflights users have booked flights from St. Louis to New Orleans round-trip from $251. Other airlines that can offer you cheap pricing are Frontier, from $258, and American Airlines, from $267. These flights start at 32% lower than the current average price 3 months from now.
What are the cheapest airlines to fly from St. Louis to New Orleans one-way?
To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $70. United Airlines flights start at $81 while deals on Spirit Airlines start at $97 one-way.
What are the cheapest flights from St. Louis to New Orleans?
On average you can expect to pay $410 for a flight from St. Louis to New Orleans. The cheapest flight overall is $165 while the most popular route, (Lambert-St Louis - New Orleans Louis Armstrong) is currently priced at $168.
Can I find deals for flights from St. Louis to New Orleans that include hotel bookings?
Yes. In addition to deals on St. Louis to New Orleans flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from St. Louis to New Orleans?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to New Orleans.
Can I find deals for business class flights from St. Louis to New Orleans?
Yes. Cheapflights offers flight deals from St. Louis to New Orleans by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from St. Louis to New Orleans?
Currently, August is the cheapest month in which you can book a flight from St. Louis to New Orleans (average of $256). Flying from St. Louis to New Orleans in April is currently the most expensive (average of $343). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Metairie

Kenner

Houma

Slidell

Gretna

Thibodaux

Gonzales

Browse thousands of different options on Cheapflights for your next trip

Top 6 airlines flying from St. Louis to New Orleans

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$86	Average$219	FlexibilityNo cancel fee	On-time65%
Frontier	Cheapest$127	Average$170	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$198	Average$293	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$216	Average$362	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$216	Average$337	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$291	Average$439	FlexibilityNo cancel fee	On-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$70+ Cheap flights from St. Louis to New Orleans (STL - MSY)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/28. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from St. Louis to New Orleans with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Lambert-St Louis to New Orleans Louis Armstrong are usually found in August or June, booked 50 days in advance, depart on a Monday or Sunday and return on a Thursday

Cheap flight deals from St. Louis to New Orleans

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from St. Louis to New Orleans

Cheapest flights from St. Louis to New OrleansExplore the most affordable flight options available from St. Louis to New Orleans. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 25, 2025.

Explore the most affordable flight options available from St. Louis to New Orleans. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 25, 2025.

Cheapflights Fare Finder

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

Compare providers for flights from St. Louis to New Orleans

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to New Orleans in March.

Best time to book a flight from St. Louis to New Orleans

Have a flexible travel schedule? Discover the best time to fly to New Orleans from St. Louis with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to New Orleans

How far ahead should I book a flight from St. Louis to New Orleans?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to New Orleans. Price data was last updated on March 21, 2025.

What is the cheapest month to book a flight from St. Louis to New Orleans?

What is the cheapest time of day to fly from STL to MSY?

Find hourly flight availability from St. Louis to New Orleans. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 25, 2025.

What is the cheapest day to fly from St. Louis to New Orleans?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to New Orleans. Price data was last updated on March 16, 2025.

Weekly flight availability from St. Louis to New Orleans

Rainfall in New Orleans by month

Plan your trip to New Orleans by taking into account the average rainfall totals by month.

Temperature in New Orleans by month

Plan your trip to New Orleans by taking into account the average temperature totals by month.

Reviews of airlines servicing New Orleans

Related info for your journey

Find useful and relevant information for your journey from St. Louis to New Orleans. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airports do I use to fly from St. Louis to New Orleans?

How popular is this St. Louis to New Orleans flight route?

What are the cheapest airlines flying from St. Louis to New Orleans round-trip?

What are the cheapest airlines to fly from St. Louis to New Orleans one-way?

What are the cheapest flights from St. Louis to New Orleans?

Can I find deals for flights from St. Louis to New Orleans that include hotel bookings?

How can I find direct flights from St. Louis to New Orleans?

Can I find deals for business class flights from St. Louis to New Orleans?

What is the cheapest month to book a flight from St. Louis to New Orleans?

Traveling to a place near St. Louis?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for St. Louis to New Orleans

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from St. Louis to New Orleans

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from St. Louis to New Orleans
Explore the most affordable flight options available from St. Louis to New Orleans. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 25, 2025.