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 3 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

How long is the flight from St. Louis to New Orleans?

Airlines like Delta fly from St. Louis to New Orleans in about 4h 52m. The time it takes to get you to your destination can typically vary by up to . St. Louis and New Orleans are separated by a distance of 605 mi.

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 $127. Other airlines that can offer you cheap pricing are United Airlines, from $196, and Delta, from $196. These flights start at 66% 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 Delta, which is currently one of the cheapest options available, starting at $110. Southwest flights start at $110 while deals on American Airlines start at $110 one-way.

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.

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).

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

On average you can expect to pay $390 for a flight from St. Louis to New Orleans. The cheapest flight overall is $117 while the most popular route, (Lambert-St Louis - New Orleans Louis Armstrong) is currently priced at $182.

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

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

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 3 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 5 different airlines, which means you should have some options if you want to compare airfare deals. 1h 45m 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.

$68+ Cheap Flights from St. Louis to New Orleans

Q: How much does it cost to fly round-trip from St. Louis to New Orleans?

Airfare is below average for this route at the moment. St. Louis to New Orleans flights typically cost between $360 and $546 in November. The cheapest round-trip price found within the last 3 days was $182 on Multiple Airlines (Nov 13-Nov 17).

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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

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Cheapflights Tip: The best prices from Lambert-St Louis to New Orleans Louis Armstrong are usually found in November or September, booked 74 days in advance, depart on a Monday or Tuesday and return on a Thursday

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 October 16, 2025.

Thu 11/1311:07 amSTL - MSY

1 stop9h 34mMultiple Airlines

Mon 11/176:01 pmMSY - STL

2 stops39h 06mMultiple Airlines

Deal found 10/16

$182

Thu 11/1311:07 amSTL - MSY

1 stop9h 34mMultiple Airlines

Sat 11/159:48 pmMSY - STL

1 stop19h 28mMultiple Airlines

Deal found 10/14

$185

Fri 12/510:42 amSTL - MSY

1 stop9h 56mMultiple Airlines

Sat 12/65:33 pmMSY - STL

1 stop16h 14mMultiple Airlines

Deal found 10/15

$189

Thu 10/308:40 pmSTL - MSY

1 stop22h 20mFrontier

Mon 11/37:45 pmMSY - STL

1 stop13h 22mFrontier

Deal found 10/15

$199

Thu 10/2311:32 amSTL - MSY

1 stop5h 05mMultiple Airlines

Thu 10/306:05 pmMSY - STL

1 stop21h 52mMultiple Airlines

Deal found 10/16

$216

Tue 11/46:00 amSTL - MSY

1 stop6h 10mDelta

Fri 11/74:27 pmMSY - STL

1 stop6h 40mDelta

Deal found 10/13

$219

Thu 11/67:02 pmSTL - MSY

1 stop13h 33mMultiple Airlines

Tue 11/113:21 pmMSY - STL

2 stops41h 46mMultiple Airlines

Deal found 10/15

$224

Thu 10/237:52 pmSTL - MSY

1 stop22h 46mFrontier

Thu 10/307:45 pmMSY - STL

1 stop13h 22mFrontier

Deal found 10/15

$225

Thu 12/412:04 pmSTL - MSY

1 stop8h 34mMultiple Airlines

Mon 12/84:35 pmMSY - STL

2 stops29h 58mMultiple Airlines

Deal found 10/15

$231

Wed 10/298:40 pmSTL - MSY

1 stop22h 20mMultiple Airlines

Fri 10/316:10 pmMSY - STL

1 stop24h 00mMultiple Airlines

Deal found 10/16

$232

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 October 16, 2025.

Tue 12/169:30 amSTL - MSY

1 stop4h 52mDelta

Tue 12/235:26 pmMSY - STL

1 stop6h 16mDelta

Deal found 10/14

$219

Thu 11/135:17 amSTL - MSY

1 stop4h 20mAmerican Airlines

Thu 11/201:05 pmMSY - STL

1 stop6h 24mAmerican Airlines

Deal found 10/16

$276

Fri 12/54:35 pmSTL - MSY

1 stop5h 40mSouthwest

Sat 12/67:45 amMSY - STL

Nonstop1h 50mSouthwest

Deal found 10/15

$280

Sat 11/157:05 amSTL - MSY

1 stop4h 54mDelta

Mon 11/177:03 pmMSY - STL

1 stop4h 41mDelta

Deal found 10/14

$219

Mon 11/33:59 pmSTL - MSY

1 stop4h 18mDelta

Thu 11/67:45 amMSY - STL

1 stop4h 50mDelta

Deal found 10/13

$219

Fri 12/125:12 pmSTL - MSY

1 stop6h 25mDelta

Sat 12/206:54 pmMSY - STL

1 stop4h 48mDelta

Deal found 10/14

$219

Thu 1/810:15 amSTL - MSY

2 stops6h 40mSouthwest

Mon 1/1211:35 amMSY - STL

2 stops5h 30mSouthwest

Deal found 10/14

$286

Tue 11/45:15 pmSTL - MSY

1 stop5h 49mDelta

Thu 11/67:45 amMSY - STL

1 stop4h 50mDelta

Deal found 10/13

$219

Thu 1/87:05 pmSTL - MSY

1 stop4h 22mDelta

Mon 1/127:10 pmMSY - STL

1 stop4h 30mDelta

Deal found 10/14

$219

Wed 12/39:10 amSTL - MSY

1 stop5h 15mSouthwest

Thu 12/411:55 amMSY - STL

2 stops5h 25mSouthwest

Deal found 10/16

$294

Last-minute flights from St. Louis to New Orleans
Discover last-minute flight deals from St. Louis to New Orleans. Data last updated October 16, 2025 and is based on user searches.

Thu 10/2311:32 amSTL - MSY

1 stop5h 05mMultiple Airlines

Thu 10/306:05 pmMSY - STL

1 stop21h 52mMultiple Airlines

Deal found 10/16

$216

Thu 10/237:52 pmSTL - MSY

1 stop22h 46mFrontier

Thu 10/307:45 pmMSY - STL

1 stop13h 22mFrontier

Deal found 10/15

$225

Wed 10/298:40 pmSTL - MSY

1 stop22h 20mMultiple Airlines

Fri 10/316:10 pmMSY - STL

1 stop24h 00mMultiple Airlines

Deal found 10/16

$232

Thu 10/308:40 pmSTL - MSY

1 stop22h 20mFrontier

Mon 11/37:45 pmMSY - STL

1 stop13h 22mFrontier

Deal found 10/15

$199

Tue 11/45:15 pmSTL - MSY

1 stop5h 49mDelta

Thu 11/67:45 amMSY - STL

1 stop4h 50mDelta

Deal found 10/13

$219

Thu 11/67:02 pmSTL - MSY

1 stop13h 33mMultiple Airlines

Tue 11/113:21 pmMSY - STL

2 stops41h 46mMultiple Airlines

Deal found 10/15

$224

Thu 11/1311:07 amSTL - MSY

1 stop9h 34mMultiple Airlines

Mon 11/176:01 pmMSY - STL

2 stops39h 06mMultiple Airlines

Deal found 10/16

$182

Thu 11/1311:07 amSTL - MSY

1 stop9h 34mMultiple Airlines

Sat 11/159:48 pmMSY - STL

1 stop19h 28mMultiple Airlines

Deal found 10/14

$185

Thu 11/137:45 pmSTL - MSY

1 stop23h 15mFrontier

Mon 11/177:45 pmMSY - STL

1 stop13h 22mFrontier

Deal found 10/16

$236

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 October 16, 2025.

Thu 12/42:57 pmSTL - MSY

1 stop6h 45mSpirit Airlines

Deal found 10/14

$68

Sat 12/132:48 pmSTL - MSY

1 stop7h 17mSpirit Airlines

Deal found 10/15

$79

Mon 12/1510:47 amSTL - MSY

1 stop5h 40mFrontier

Deal found 10/15

$80

Thu 11/1311:07 amSTL - MSY

1 stop9h 34mMultiple Airlines

Deal found 10/15

$81

Sat 11/157:45 pmSTL - MSY

1 stop16h 23mFrontier

Deal found 10/14

$83

Sun 11/1611:17 amSTL - MSY

1 stop5h 43mFrontier

Deal found 10/15

$86

Thu 12/1112:04 pmSTL - MSY

1 stop8h 34mMultiple Airlines

Deal found 10/16

$87

Fri 11/144:56 pmSTL - MSY

1 stop27h 45mMultiple Airlines

Deal found 10/16

$89

Thu 1/812:20 pmSTL - MSY

1 stop9h 45mSpirit Airlines

Deal found 10/16

$91

Sun 12/72:57 pmSTL - MSY

1 stop6h 45mSpirit Airlines

Deal found 10/15

$92

Cheap flight deals from St. Louis to New Orleans

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$182 (Kiwi.com)
One-way from	$68 (Spirit)
Popular in	May
Cheapest in	November
Average price	$399
Good round-trip deal	$364 or less
Good one-way deal	$213 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. 7% potential increase in price ($29 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 October 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

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

Tue 12/16

9:30 am-2:22 pm

1 stop4h 52m

New Orleans Louis Armstrong

Tue 12/23

5:26 pm-11:42 pm

1 stop6h 16m

$219

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Sat 11/15

7:05 am-11:59 am

1 stop4h 54m

New Orleans Louis Armstrong

Mon 11/17

7:03 pm-11:44 pm

1 stop4h 41m

$219

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Mon 11/3

3:59 pm-8:17 pm

1 stop4h 18m

New Orleans Louis Armstrong

Thu 11/6

7:45 am-12:35 pm

1 stop4h 50m

$219

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Fri 12/12

5:12 pm-11:37 pm

1 stop6h 25m

New Orleans Louis Armstrong

Sat 12/20

6:54 pm-11:42 pm

1 stop4h 48m

$219

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Tue 11/4

5:15 pm-11:04 pm

1 stop5h 49m

New Orleans Louis Armstrong

Thu 11/6

7:45 am-12:35 pm

1 stop4h 50m

$219

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Thu 1/8

7:05 pm-11:27 pm

1 stop4h 22m

New Orleans Louis Armstrong

Mon 1/12

7:10 pm-11:40 pm

1 stop4h 30m

$219

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Thu 11/13

5:17 am-9:37 am

1 stop4h 20m

New Orleans Louis Armstrong

Thu 11/20

1:05 pm-7:29 pm

1 stop6h 24m

$276

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Fri 12/5

4:35 pm-10:15 pm

1 stop5h 40m

New Orleans Louis Armstrong

Sat 12/6

7:45 am-9:35 am

Nonstop1h 50m

$280

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Thu 1/8

10:15 am-4:55 pm

2 stops6h 40m

New Orleans Louis Armstrong

Mon 1/12

11:35 am-5:05 pm

2 stops5h 30m

$286

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Wed 12/3

9:10 am-2:25 pm

1 stop5h 15m

New Orleans Louis Armstrong

Thu 12/4

11:55 am-5:20 pm

2 stops5h 25m

$294

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/15

Showing 1-10 of 18 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 October.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	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

*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 74 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, January is the cheapest month in which you can book a flight from St. Louis to New Orleans (average of $150). Flying from St. Louis to New Orleans in June is currently the most expensive (average of $251). 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 evening, when flights are generally more expensive, you can save up to 13% on flights from St. Louis to New Orleans by exploring options for tickets at noon.

How much does it cost to fly round-trip from St. Louis to New Orleans?

Reviews of airlines servicing New Orleans

See what other customers who have flown with Southwest, Delta, and United Airlines from St. Louis to New Orleans have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Southwest

8.0

Very good

4,241 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Southwest

8.0

Very good

4,241 reviews

Southwest

8.0

Very good

4,241 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Delta

8.0

Very good

7,984 reviews

Southwest

8.0

Very good

4,241 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

United Airlines

7.4

Good

8,982 reviews

Southwest

8.0

Very good

4,241 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

American Airlines

7.2

Good

11,043 reviews

Southwest

8.0

Very good

4,241 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Frontier

5.8

Fair

3,137 reviews

Southwest

8.0

Very good

4,241 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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 3 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 5 different airlines, which means you should have some options if you want to compare airfare deals. 1h 45m 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 3 users in the past month. Keep an eye out for changes in search interest prior to high and low season.
How long is the flight from St. Louis to New Orleans?
Airlines like Delta fly from St. Louis to New Orleans in about 4h 52m. The time it takes to get you to your destination can typically vary by up to . St. Louis and New Orleans are separated by a distance of 605 mi.
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 $127. Other airlines that can offer you cheap pricing are United Airlines, from $196, and Delta, from $196. These flights start at 66% 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 Delta, which is currently one of the cheapest options available, starting at $110. Southwest flights start at $110 while deals on American Airlines start at $110 one-way.
What are the cheapest flights from St. Louis to New Orleans?
On average you can expect to pay $390 for a flight from St. Louis to New Orleans. The cheapest flight overall is $117 while the most popular route, (Lambert-St Louis - New Orleans Louis Armstrong) is currently priced at $182.
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, January is the cheapest month in which you can book a flight from St. Louis to New Orleans (average of $150). Flying from St. Louis to New Orleans in June is currently the most expensive (average of $251). 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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Kenner

Slidell

Houma

Covington

Gretna

Thibodaux

Hammond

Gonzales

Browse thousands of different options on Cheapflights for your next trip

Top 5 airlines flying from St. Louis to New Orleans

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$127	Average$238	FlexibilityNo cancel fee	On-time62%
United Airlines	Cheapest$196	Average$373	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$196	Average$270	FlexibilityNo cancel fee	On-timeN/A
Southwest	Cheapest$240	Average$409	FlexibilityNo cancel fee	On-time63%
American Airlines	Cheapest$243	Average$345	FlexibilityNo cancel fee	On-time71%

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$68+ 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 12/4. 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 November or September, booked 74 days in advance, depart on a Monday or Tuesday and return on a Thursday

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 October 16, 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 October 16, 2025.

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

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 October.

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?

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?

How much does it cost to fly round-trip from St. Louis to New Orleans?

Reviews of airlines servicing New Orleans

See what other customers who have flown with Southwest, Delta, and United Airlines from St. Louis to New Orleans have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

How long is the flight from St. Louis to New Orleans?

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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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 October 16, 2025.