New Orleans

$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 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MSY
Mar 13 — Mar 201
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Lambert-St Louis to New Orleans Louis Armstrong are usually found in September or August, booked 70 days in advance, depart on a Tuesday or Monday and return on a Tuesday

Cheap 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 February 11, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/28:22 pm
STL
-
MSY
2 stops13h 16m
Multiple Airlines
Thu 3/56:46 pm
MSY
-
STL
1 stop17h 03m
Multiple Airlines
Deal found 2/10$152
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/92:09 pm
STL
-
MSY
2 stops19h 29m
Multiple Airlines
Thu 3/1210:55 am
MSY
-
STL
1 stop26h 39m
Multiple Airlines
Deal found 2/10$157
This Kiwi.com deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/238:22 pm
STL
-
MSY
2 stops24h 33m
Multiple Airlines
Fri 2/276:49 pm
MSY
-
STL
1 stop12h 02m
Multiple Airlines
Deal found 2/8$163
This Kiwi.com deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/61:09 pm
STL
-
MSY
1 stop25h 33m
Multiple Airlines
Tue 3/106:20 am
MSY
-
STL
2 stops28h 17m
Multiple Airlines
Deal found 2/9$167
This Priceline deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/184:51 pm
STL
-
MSY
1 stop7h 33m
Frontier
Sun 2/2210:59 pm
MSY
-
STL
1 stop7h 52m
Frontier
Deal found 2/8$181
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/258:17 pm
STL
-
MSY
2 stops36h 04m
Multiple Airlines
Fri 2/276:49 pm
MSY
-
STL
1 stop12h 02m
Multiple Airlines
Deal found 2/10$184
This Kiwi.com deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/104:51 pm
STL
-
MSY
1 stop18h 10m
Multiple Airlines
Tue 3/176:00 am
MSY
-
STL
2 stops28h 37m
Multiple Airlines
Deal found 2/8$191
This Delta deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/1912:04 pm
STL
-
MSY
1 stop4h 29m
Delta
Thu 3/264:25 pm
MSY
-
STL
1 stop7h 00m
Delta
Deal found 2/9$197
This Trip.com deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/271:59 pm
STL
-
MSY
1 stop23h 40m
Frontier
Sun 3/19:51 pm
MSY
-
STL
1 stop26h 08m
Frontier
Deal found 2/9$198

Find flight deals from St. Louis to New Orleans

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to New Orleans (MSY). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$152
(Kiwi.com)

One-way from

$68
(Kiwi.com)

Popular in

February

Cheapest in

September

Average price

$513

Good round-trip deal

$374 or less

Good one-way deal

$330 or less
Provider with most accurate pricing for Lambert-St Louis-New Orleans Louis Armstrong flight deals.
Provider most trusted by Cheapflights users for Lambert-St Louis-New Orleans Louis Armstrong flights.
From Lambert-St Louis to New Orleans Louis Armstrong
One-way flight from Lambert-St Louis to New Orleans Louis Armstrong
Highest demand for flights based on searches. 8% potential increase in price ($39 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
Average for round-trip flights in February 2026
Price to beat on a round-trip flight from Lambert-St Louis to New Orleans Louis Armstrong.
Price to beat on a one-way flight from Lambert-St Louis to New Orleans Louis Armstrong.

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to New Orleans that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 11, 2026.
Use the filters below to find and compare flights from St. Louis to New Orleans that are best for you.

Fly from

St. Louis

Fly to

New Orleans

Route

Depart

Return

Price

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Mon 3/9

2:09 pm-9:38 am

2 stops19h 29m

New Orleans Louis Armstrong

Thu 3/12

10:55 am-1:34 pm

1 stop26h 39m

$157

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Tue 3/3

6:10 am-11:51 am

1 stop5h 41m

New Orleans Louis Armstrong

Tue 3/10

4:25 pm-11:25 pm

1 stop7h 00m

$201

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Sun 3/8

6:00 am-10:59 am

1 stop4h 59m

New Orleans Louis Armstrong

Wed 3/11

7:00 am-12:27 pm

1 stop5h 27m

$201

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Sun 3/8

6:00 am-10:33 am

1 stop4h 33m

New Orleans Louis Armstrong

Thu 3/12

4:25 pm-11:25 pm

1 stop7h 00m

$201

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Mon 3/9

6:29 am-11:41 am

1 stop5h 12m

New Orleans Louis Armstrong

Thu 3/12

4:25 pm-11:25 pm

1 stop7h 00m

$201

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Tue 2/24

6:00 am-10:59 am

1 stop4h 59m

New Orleans Louis Armstrong

Fri 2/27

5:05 am-9:23 am

1 stop4h 18m

$205

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Sat 3/7

5:01 pm-11:14 pm

1 stop6h 13m

New Orleans Louis Armstrong

Mon 3/9

5:40 pm-11:58 pm

1 stop6h 18m

$266

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Mon 2/23

4:49 pm-10:37 pm

1 stop5h 48m

New Orleans Louis Armstrong

Thu 2/26

5:05 am-9:23 am

1 stop4h 18m

$275

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Tue 3/3

9:55 am-7:23 pm

2 stops9h 28m

New Orleans Louis Armstrong

Tue 3/10

5:00 am-9:21 am

1 stop4h 21m

$276

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Tue 3/3

9:55 am-7:23 pm

2 stops9h 28m

New Orleans Louis Armstrong

Sat 3/7

4:00 pm-9:56 pm

1 stop5h 56m

$276

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/10

Showing 1-10 of 20 results
1
2

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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
Trip.comPrice Accuracy1 starTrust 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?

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 February 6, 2026.

To ensure you get the cheapest price possible for a flight from St. Louis to New Orleans, you should look to book at least 70 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, December is the cheapest month in which you can book a flight from St. Louis to New Orleans (average of $86). Flying from St. Louis to New Orleans in June is currently the most expensive (average of $274). 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?

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 February 11, 2026.

Unlike in the evening, when flights are generally more expensive, you can save up to 10% on flights from St. Louis to New Orleans by exploring options for tickets at noon.

Reviews of airlines servicing New Orleans

Get insights into the airlines that provide service to New Orleans. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to New Orleans. Reviews last updated February 11, 2026.
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.

Crew

8.6

Overall

8.0

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Crew

8.6

Overall

8.0

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Crew

8.6

Overall

8.0

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Crew

8.6

Overall

8.0

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Crew

8.6

Overall

8.0

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Crew

8.6

Overall

8.0

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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?

    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 is 1 flight 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?

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

    Airlines like Delta and United Airlines fly from St. Louis to New Orleans in about 4h 59m. The time it takes to get you to your destination can typically vary by up to 42m. St. Louis and New Orleans are separated by a distance of 605 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 $82. Other airlines that can offer you cheap pricing are Delta, from $93, and United Airlines, from $196. These flights start at 79% 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 Frontier, which is currently one of the cheapest options available, starting at $55. Delta flights start at $98 while deals on Southwest start at $132 one-way.

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

    On average you can expect to pay $409 for a flight from St. Louis to New Orleans. The cheapest flight overall is $185 while the most popular route, (Lambert-St Louis - New Orleans Louis Armstrong) is currently priced at $157.

  • 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, December is the cheapest month in which you can book a flight from St. Louis to New Orleans (average of $86). Flying from St. Louis to New Orleans in June is currently the most expensive (average of $274). 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

Traveling to a place near New Orleans?

Book flights to New Orleans if you plan to visit one of these locations
Metairie
Kenner
Gonzales
Slidell
Houma
Covington
Gretna
Thibodaux
Hammond

Browse thousands of different options on Cheapflights for your next trip

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Top 5 airlines flying from St. Louis to New Orleans

Discover the top 5 airlines that operate flights from St. Louis to New Orleans. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$82Average$238FlexibilityNo cancel feeOn-time62%
DeltaCheapest$93Average$236FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$196Average$394FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$208Average$381FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$240Average$413FlexibilityNo cancel feeOn-time63%

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