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 4 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 $193. Other airlines that can offer you cheap pricing are Southwest, from $207, and American Airlines, from $217. These flights start at 49% 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 Spirit Airlines, which is currently one of the cheapest options available, starting at $78. Southwest flights start at $99 while deals on United Airlines start at $104 one-way.

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 Monday mornings 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.

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

On average you can expect to pay $315 for a flight from St. Louis to New Orleans. The cheapest flight overall is $132 while the most popular route, (Lambert-St Louis - New Orleans Louis Armstrong) is currently priced at $198.

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 29% 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 117% 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 $300. For sooner than that we have options available in the next 3 days from $560.

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 May. 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 $384 on average during August, but can be found for as low as $159.

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.

$78+ Flights from St. Louis to New Orleans

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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”

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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.

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

Cheap flight deals from St. Louis to New Orleans

Round-trip from	$193 (FlightHub)
One-way from	$78 (Mytrip)
Popular in	May
Cheapest in	August
Average price	$328
Good round-trip deal	$358 or less
Good one-way deal	$197 or less

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. 4% potential increase in price ($16 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).

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Average for round-trip flights in June 2025

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

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

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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 June 12, 2025.

Mon 7/77:13 pmSTL - MSY

2 stops20h 29mSpirit Airlines

Sat 7/122:15 pmMSY - STL

2 stops19h 37mSpirit Airlines

Deal found 6/10

$197

Tue 8/2610:08 amSTL - MSY

1 stop5h 18mAmerican Airlines

Tue 9/29:34 amMSY - STL

1 stop7h 13mAmerican Airlines

Deal found 6/11

$217

Wed 8/138:15 amSTL - MSY

1 stop4h 45mSouthwest

Sat 8/1611:00 amMSY - STL

Nonstop1h 50mSouthwest

Deal found 6/11

$224

Fri 9/511:02 amSTL - MSY

1 stop4h 54mFrontier

Thu 9/114:51 pmMSY - STL

1 stop17h 16mFrontier

Deal found 6/12

$261

Tue 8/269:17 amSTL - MSY

2 stops12h 25mUnited Airlines

Tue 9/22:16 pmMSY - STL

1 stop4h 42mUnited Airlines

Deal found 6/10

$292

Mon 7/2810:47 amSTL - MSY

3 stops36h 21mMultiple Airlines

Thu 7/318:00 pmMSY - STL

2 stops22h 41mMultiple Airlines

Deal found 6/9

$307

Tue 7/81:29 pmSTL - MSY

1 stop6h 26mDelta

Fri 7/112:50 pmMSY - STL

1 stop6h 44mDelta

Deal found 6/11

$341

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 June 12, 2025.

Sat 7/1210:45 amSTL - MSY

1 stop9h 54mSpirit Airlines

Tue 7/156:10 pmMSY - STL

1 stop16h 19mSpirit Airlines

Deal found 6/12

$193

Thu 8/77:50 pmSTL - MSY

Nonstop1h 40mSouthwest

Mon 8/115:10 pmMSY - STL

1 stop3h 50mSouthwest

Deal found 6/12

$207

Tue 8/2610:08 amSTL - MSY

1 stop7h 15mAmerican Airlines

Tue 9/26:39 pmMSY - STL

1 stop4h 35mAmerican Airlines

Deal found 6/12

$217

Sat 9/68:46 amSTL - MSY

1 stop6h 41mDelta

Sat 9/135:30 amMSY - STL

1 stop4h 10mDelta

Deal found 6/12

$241

Sat 6/282:52 pmSTL - MSY

1 stop25h 25mFrontier

Sun 6/296:28 pmMSY - STL

1 stop5h 25mFrontier

Deal found 6/10

$278

Tue 8/269:17 amSTL - MSY

2 stops12h 25mUnited Airlines

Tue 9/22:16 pmMSY - STL

1 stop4h 42mUnited Airlines

Deal found 6/10

$292

Mon 7/2810:47 amSTL - MSY

3 stops36h 21mMultiple Airlines

Thu 7/318:00 pmMSY - STL

2 stops22h 41mMultiple Airlines

Deal found 6/9

$307

Last-minute flights from St. Louis to New Orleans
Discover last-minute flight deals from St. Louis to New Orleans. Data last updated June 12, 2025 and is based on user searches.

Tue 6/176:00 amSTL - MSY

1 stop6h 32mAmerican Airlines

Sun 6/226:14 pmMSY - STL

1 stop5h 05mAmerican Airlines

Deal found 6/11

$656

Thu 6/195:47 pmSTL - MSY

1 stop15h 09mFrontier

Mon 6/239:01 amMSY - STL

1 stop14h 52mFrontier

Deal found 6/10

$513

Fri 6/2011:28 amSTL - MSY

1 stop8h 16mMultiple Airlines

Sun 6/226:01 pmMSY - STL

1 stop15h 11mMultiple Airlines

Deal found 6/10

$360

Fri 6/205:27 pmSTL - MSY

1 stop4h 45mUnited Airlines

Tue 6/243:30 pmMSY - STL

1 stop6h 45mUnited Airlines

Deal found 6/11

$606

Sun 6/226:36 pmSTL - MSY

2 stops28h 04mSpirit Airlines

Sun 6/296:21 amMSY - STL

2 stops35h 57mSpirit Airlines

Deal found 6/10

$316

Sun 6/2212:05 pmSTL - MSY

1 stop6h 20mSouthwest

Sun 6/296:55 amMSY - STL

Nonstop1h 50mSouthwest

Deal found 6/10

$539

Sun 6/2210:08 amSTL - MSY

2 stops19h 42mAlaska Airlines

Tue 6/247:10 amMSY - STL

2 stops26h 08mAlaska Airlines

Deal found 6/11

$1,274

Sat 6/282:52 pmSTL - MSY

1 stop25h 25mFrontier

Sun 6/296:28 pmMSY - STL

1 stop5h 25mFrontier

Deal found 6/10

$278

Mon 7/77:13 pmSTL - MSY

2 stops20h 29mSpirit Airlines

Sat 7/122:15 pmMSY - STL

2 stops19h 37mSpirit Airlines

Deal found 6/10

$197

Tue 7/81:29 pmSTL - MSY

1 stop6h 26mDelta

Fri 7/112:50 pmMSY - STL

1 stop6h 44mDelta

Deal found 6/11

$341

Sat 7/126:33 amSTL - MSY

1 stop6h 47mUnited Airlines

Tue 7/1512:42 pmMSY - STL

2 stops10h 03mUnited Airlines

Deal found 6/10

$362

Sat 7/266:00 amSTL - MSY

1 stop6h 20mAmerican Airlines

Sat 8/26:16 pmMSY - STL

1 stop4h 41mAmerican Airlines

Deal found 6/11

$285

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 June 12, 2025.

Sat 8/910:45 amSTL - MSY

1 stop9h 54mSpirit Airlines

Deal found 6/12

$78

Mon 9/87:50 pmSTL - MSY

Nonstop1h 40mSouthwest

Deal found 6/11

$99

Tue 8/55:31 pmSTL - MSY

1 stop4h 54mUnited Airlines

Deal found 6/10

$104

Mon 9/155:19 amSTL - MSY

1 stop4h 45mAmerican Airlines

Deal found 6/11

$108

Fri 8/293:42 pmSTL - MSY

1 stop4h 37mDelta

Deal found 6/11

$157

Tue 10/219:50 amSTL - MSY

2 stops7h 19mMultiple Airlines

Deal found 6/10

$158

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 7/7

7:13 pm-3:42 pm

2 stops20h 29m

New Orleans Louis Armstrong

Sat 7/12

2:15 pm-9:52 am

2 stops19h 37m

$197

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Tue 8/26

10:08 am-3:26 pm

1 stop5h 18m

New Orleans Louis Armstrong

Tue 9/2

9:34 am-4:47 pm

1 stop7h 13m

$217

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Wed 8/13

8:15 am-1:00 pm

1 stop4h 45m

New Orleans Louis Armstrong

Sat 8/16

11:00 am-12:50 pm

Nonstop1h 50m

$224

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Fri 9/5

11:02 am-3:56 pm

1 stop4h 54m

New Orleans Louis Armstrong

Thu 9/11

4:51 pm-10:07 am

1 stop17h 16m

$261

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Tue 8/26

9:17 am-9:42 pm

2 stops12h 25m

New Orleans Louis Armstrong

Tue 9/2

2:16 pm-6:58 pm

1 stop4h 42m

$292

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Mon 7/28

10:47 am-11:08 pm

3 stops36h 21m

New Orleans Louis Armstrong

Thu 7/31

8:00 pm-6:41 pm

2 stops22h 41m

$307

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Tue 7/8

1:29 pm-7:55 pm

1 stop6h 26m

New Orleans Louis Armstrong

Fri 7/11

2:50 pm-9:34 pm

1 stop6h 44m

$341

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Wed 7/16

11:24 am-7:15 pm

1 stop7h 51m

$88

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Mon 9/8

7:50 pm-9:30 pm

Nonstop1h 40m

$99

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Tue 8/5

5:31 pm-10:25 pm

1 stop4h 54m

$104

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 14 results

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 in the morning, when flights are generally more expensive, you can save up to 14% on flights from St. Louis to New Orleans by exploring options for tickets at noon.

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

4,287 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Southwest

8.0

Very good

4,287 reviews

Southwest

8.0

Very good

4,287 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Delta

8.0

Very good

7,946 reviews

Southwest

8.0

Very good

4,287 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

United Airlines

7.4

Good

8,790 reviews

Southwest

8.0

Very good

4,287 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

American Airlines

7.2

Good

10,000 reviews

Southwest

8.0

Very good

4,287 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Spirit Airlines

6.3

Okay

8,052 reviews

Southwest

8.0

Very good

4,287 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

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 4 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 $193. Other airlines that can offer you cheap pricing are Southwest, from $207, and American Airlines, from $217. These flights start at 49% 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 Spirit Airlines, which is currently one of the cheapest options available, starting at $78. Southwest flights start at $99 while deals on United Airlines start at $104 one-way.
What are the cheapest flights from St. Louis to New Orleans?
On average you can expect to pay $315 for a flight from St. Louis to New Orleans. The cheapest flight overall is $132 while the most popular route, (Lambert-St Louis - New Orleans Louis Armstrong) is currently priced at $198.
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

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Houma

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Top 6 airlines flying from St. Louis to New Orleans

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$86	Average$276	FlexibilityNo cancel fee	On-time65%
Frontier	Cheapest$127	Average$223	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$197	Average$280	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$216	Average$348	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$216	Average$342	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$294	Average$427	FlexibilityNo cancel fee	On-time63%

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$78+ 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 8/9. 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 November, booked 50 days in advance, depart on a Monday or Tuesday and return on a Thursday

Cheap flight deals from St. Louis to New Orleans

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 June 12, 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 June 12, 2025.

Cheapflights Fare Finder

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

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 June 9, 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 June 12, 2025.

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?

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Alternative routes for St. Louis to New Orleans

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Top 6 airlines flying from St. Louis to New Orleans

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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 June 12, 2025.