New Orleans

$74+ 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 7/31. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MSY
Aug 3 — Aug 101
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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 August or September, booked 19 days in advance, depart on a Tuesday or Monday and return on a Wednesday

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 July 4, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/2. 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.
Sat 9/1910:35 am
STL
-
MSY
1 stop5h 34m
Frontier
Wed 9/235:02 pm
MSY
-
STL
1 stop16h 38m
Frontier
Deal found 7/2$163
This Kiwi.com deal was found by Cheapflights users on 7/2. 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 9/910:35 am
STL
-
MSY
1 stop5h 34m
Frontier
Mon 9/145:02 pm
MSY
-
STL
1 stop16h 38m
Frontier
Deal found 7/2$164
This Kiwi.com deal was found by Cheapflights users on 7/1. 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 10/2010:35 am
STL
-
MSY
1 stop5h 32m
Frontier
Thu 10/225:02 pm
MSY
-
STL
1 stop16h 38m
Frontier
Deal found 7/1$168
This Kiwi.com deal was found by Cheapflights users on 7/1. 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 7/286:34 pm
STL
-
MSY
1 stop21h 53m
Frontier
Fri 7/315:12 pm
MSY
-
STL
1 stop15h 45m
Frontier
Deal found 7/1$177
This Kiwi.com deal was found by Cheapflights users on 7/2. 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 9/2510:35 am
STL
-
MSY
1 stop5h 34m
Frontier
Sun 9/275:02 pm
MSY
-
STL
1 stop16h 38m
Frontier
Deal found 7/2$178
This Kiwi.com deal was found by Cheapflights users on 7/2. 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.
Thu 8/206:17 pm
STL
-
MSY
1 stop23h 45m
Frontier
Mon 8/245:41 pm
MSY
-
STL
1 stop22h 50m
Frontier
Deal found 7/2$181
This Kiwi.com deal was found by Cheapflights users on 7/1. 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.
Thu 10/810:35 am
STL
-
MSY
1 stop5h 32m
Frontier
Sun 10/115:02 pm
MSY
-
STL
1 stop16h 38m
Frontier
Deal found 7/1$186
This Kiwi.com deal was found by Cheapflights users on 7/2. 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 8/54:57 pm
STL
-
MSY
1 stop23h 10m
Frontier
Sun 8/95:02 pm
MSY
-
STL
1 stop15h 55m
Frontier
Deal found 7/2$187
This Kiwi.com deal was found by Cheapflights users on 7/2. 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 7/294:57 pm
STL
-
MSY
1 stop23h 10m
Frontier
Tue 8/45:07 pm
MSY
-
STL
1 stop15h 50m
Frontier
Deal found 7/2$188

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 July 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$163
(Kiwi.com)

One-way from

$74
(Kiwi.com)

Popular in

February

Cheapest in

August

Average price

$456

Good round-trip deal

$345 or less

Good one-way deal

$228 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. 7% potential increase in price ($32 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Average for round-trip flights in July 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 July 4, 2026.
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

Cheapest round-trip
Quickest round-trip

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Tue 10/20

3:35 pm-5:20 pm

Nonstop1h 45m

New Orleans Louis Armstrong

Thu 10/22

7:40 am-9:30 am

Nonstop1h 50m

$322

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Thu 10/15

8:30 am-10:15 am

Nonstop1h 45m

New Orleans Louis Armstrong

Mon 10/19

7:40 am-9:30 am

Nonstop1h 50m

$339

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Thu 11/19

8:30 am-1:40 pm

1 stop5h 10m

New Orleans Louis Armstrong

Tue 11/24

5:10 pm-8:55 pm

1 stop3h 45m

$351

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Sun 8/2

12:55 pm-6:40 pm

1 stop5h 45m

New Orleans Louis Armstrong

Sat 8/8

7:35 am-9:20 am

Nonstop1h 45m

$377

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Wed 8/5

1:40 pm-7:45 pm

1 stop6h 05m

New Orleans Louis Armstrong

Fri 8/7

5:35 pm-7:20 pm

Nonstop1h 45m

$377

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Sun 8/2

6:00 am-10:15 am

1 stop4h 15m

New Orleans Louis Armstrong

Wed 8/5

6:10 pm-7:55 pm

Nonstop1h 45m

$381

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Tue 8/25

3:13 pm-8:03 pm

1 stop4h 50m

New Orleans Louis Armstrong

Wed 8/26

7:00 am-12:02 pm

1 stop5h 02m

$391

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Sat 12/5

1:08 pm-11:15 pm

2 stops10h 07m

New Orleans Louis Armstrong

Mon 12/7

5:25 pm-10:06 pm

1 stop4h 41m

$396
Cheapest one-way

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Sat 8/29

6:00 am-9:49 am

1 stop3h 49m

$158

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Sat 10/3

5:46 pm-11:37 pm

1 stop5h 51m

$158

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

Showing 1-10 of 20 resultsSorted by cheapest first
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 July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
eDreamsPrice Accuracy2 starsTrust Score*3 stars
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?

To ensure you get the cheapest price possible for a flight from St. Louis to New Orleans, you should look to book at least 18 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 $329). Flying from St. Louis to New Orleans in February is currently the most expensive (average of $495). 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 July 4, 2026.

Unlike in the evening, when flights are generally more expensive, you can save up to 6% 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

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 July 4, 2026.
See what other customers who have flown with Southwest,Delta, andUnited 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.

Boarding

8.1

Comfort

8.0

Crew

8.6

Overall

7.9

Food

7.0

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.

Boarding

8.1

Comfort

8.0

Crew

8.6

Overall

7.9

Food

7.0

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.

Boarding

8.1

Comfort

8.0

Crew

8.6

Overall

7.9

Food

7.0

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.

Boarding

8.1

Comfort

8.0

Crew

8.6

Overall

7.9

Food

7.0

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.

Boarding

8.1

Comfort

8.0

Crew

8.6

Overall

7.9

Food

7.0

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.

Boarding

8.1

Comfort

8.0

Crew

8.6

Overall

7.9

Food

7.0

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.

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

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

    Airlines like Southwest fly from St. Louis to New Orleans in about 1h 45m. The time it takes to get you to your destination is usually consistent. St. Louis and New Orleans are separated by a distance of 605 mi. Most flights are nonstop.

  • 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. United Airlines flights start at $98 while deals on American Airlines start at $138 one-way.

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

    On average you can expect to pay $365 for a flight from St. Louis to New Orleans. The cheapest flight overall is $167 while the most popular route, (Lambert-St Louis - New Orleans Louis Armstrong) is currently priced at $229.

  • 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 $329). Flying from St. Louis to New Orleans in February is currently the most expensive (average of $495). 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
Houma
Gretna
Slidell
Thibodaux
Hammond
Covington

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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 July 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$82Average$227FlexibilityNo cancel feeOn-time62%
DeltaCheapest$93Average$303FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$196Average$322FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$236Average$371FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$240Average$428FlexibilityNo cancel feeOn-time63%

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