New Orleans

$55+ 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 1/8. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MSY
dic. 6 — dic. 131
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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 November, booked 74 days in advance, depart on a Monday or Tuesday and return on a Tuesday

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 noviembre 6, 2025.

This Frontier deal was found by Cheapflights users on 11/4. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/43:30 pmSTL - MSY
1 stop21h 27mFrontier
lun. 12/81:52 pmMSY - STL
1 stop8h 41mFrontier
Deal found 11/4$111
This Mytrip deal was found by Cheapflights users on 11/5. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/37:43 pmSTL - MSY
1 stop16h 41mFrontier
dom. 12/72:02 pmMSY - STL
1 stop18h 57mFrontier
Deal found 11/5$133
This Priceline deal was found by Cheapflights users on 11/6. 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.
jue. 12/42:47 pmSTL - MSY
1 stop6h 55mMultiple Airlines
jue. 12/112:02 pmMSY - STL
1 stop8h 31mMultiple Airlines
Deal found 11/6$141
This Trip.com deal was found by Cheapflights users on 11/4. 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.
jue. 11/204:13 pmSTL - MSY
1 stop21h 32mFrontier
lun. 11/246:04 pmMSY - STL
1 stop24h 54mFrontier
Deal found 11/4$142
This Priceline deal was found by Cheapflights users on 11/5. 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.
vie. 12/510:42 amSTL - MSY
1 stop5h 45mFrontier
dom. 12/72:02 pmMSY - STL
1 stop8h 31mFrontier
Deal found 11/5$146
This Mytrip deal was found by Cheapflights users on 11/4. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/214:13 pmSTL - MSY
1 stop28h 16mFrontier
dom. 11/237:44 pmMSY - STL
1 stop14h 18mFrontier
Deal found 11/4$153
This Booking.com deal was found by Cheapflights users on 11/6. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/227:43 pmSTL - MSY
1 stop23h 06mFrontier
mié. 11/266:04 pmMSY - STL
1 stop24h 54mFrontier
Deal found 11/6$156
This Booking.com deal was found by Cheapflights users on 11/4. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/43:30 pmSTL - MSY
1 stop21h 27mFrontier
dom. 12/72:02 pmMSY - STL
1 stop18h 57mFrontier
Deal found 11/4$158
This Trip.com deal was found by Cheapflights users on 11/4. 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.
vie. 11/214:13 pmSTL - MSY
1 stop28h 16mFrontier
lun. 11/246:04 pmMSY - STL
1 stop24h 54mFrontier
Deal found 11/4$162
This Trip.com deal was found by Cheapflights users on 11/6. 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.
jue. 11/204:13 pmSTL - MSY
1 stop21h 32mFrontier
dom. 11/237:44 pmMSY - STL
1 stop14h 18mFrontier
Deal found 11/6$167
This Kiwi.com deal was found by Cheapflights users on 11/5. 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.
jue. 12/1112:04 pmSTL - MSY
1 stop8h 34mMultiple Airlines
dom. 12/144:35 pmMSY - STL
1 stop17h 17mMultiple Airlines
Deal found 11/5$170
This Kiwi.com deal was found by Cheapflights users on 11/6. 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.
mar. 12/2310:48 amSTL - MSY
1 stop5h 07mMultiple Airlines
mié. 12/246:55 pmMSY - STL
2 stops14h 45mMultiple Airlines
Deal found 11/6$175

Cheap 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 noviembre 6, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$111
(Frontier)

One-way from

$55
(Priceline)

Popular in

May

Cheapest in

September

Average price

$307

Good round-trip deal

$383 or less

Good one-way deal

$148 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. 6% potential increase in price ($24 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Average for round-trip flights in November 2025
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 noviembre 6, 2025.
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

dom. 12/21

10:57 am-4:27 pm

1 stop5h 30m

New Orleans Louis Armstrong

dom. 12/28

8:14 am-9:45 am

1 stop25h 31m

$179

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

mié. 12/3

7:43 pm-1:07 pm

2 stops17h 24m

New Orleans Louis Armstrong

dom. 12/7

2:02 pm-8:59 am

1 stop18h 57m

$186

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

vie. 1/9

7:43 pm-5:01 pm

2 stops21h 18m

New Orleans Louis Armstrong

dom. 1/11

1:58 pm-10:33 pm

1 stop8h 35m

$189

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

jue. 12/11

12:04 pm-8:38 pm

1 stop8h 34m

New Orleans Louis Armstrong

lun. 12/15

5:22 pm-10:33 pm

2 stops29h 11m

$190

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

dom. 11/23

3:14 pm-6:19 pm

2 stops27h 05m

New Orleans Louis Armstrong

lun. 12/1

8:54 am-11:57 pm

1 stop15h 03m

$223

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

dom. 2/1

10:42 am-5:16 pm

1 stop6h 34m

New Orleans Louis Armstrong

dom. 2/8

6:00 am-10:02 am

2 stops28h 02m

$236

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

mar. 12/16

11:10 am-4:01 pm

1 stop4h 51m

New Orleans Louis Armstrong

mar. 12/23

5:07 pm-9:55 pm

1 stop4h 48m

$297

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

sáb. 11/22

9:52 am-3:19 pm

3 stops29h 27m

New Orleans Louis Armstrong

mié. 11/26

7:24 pm-9:58 am

1 stop14h 34m

$305

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

mar. 12/23

9:30 pm-11:15 pm

Nonstop1h 45m

New Orleans Louis Armstrong

mié. 12/24

7:45 am-9:35 am

Nonstop1h 50m

$321

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

jue. 12/4

6:15 am-1:12 pm

1 stop6h 57m

New Orleans Louis Armstrong

dom. 12/7

5:15 am-2:25 pm

2 stops9h 10m

$332

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

Showing 1-10 of 22 results
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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 November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on St. Louis-New Orleans flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 October 31, 2025.

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 $151). Flying from St. Louis to New Orleans in December is currently the most expensive (average of $252). 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 noviembre 6, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 16% 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 noviembre 6, 2025.
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.

Food

7.0

Comfort

8.0

Boarding

8.1

Overall

8.0

Crew

8.6

Entertainment

7.5

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

Food

7.0

Comfort

8.0

Boarding

8.1

Overall

8.0

Crew

8.6

Entertainment

7.5

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

Food

7.0

Comfort

8.0

Boarding

8.1

Overall

8.0

Crew

8.6

Entertainment

7.5

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

Food

7.0

Comfort

8.0

Boarding

8.1

Overall

8.0

Crew

8.6

Entertainment

7.5

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

Food

7.0

Comfort

8.0

Boarding

8.1

Overall

8.0

Crew

8.6

Entertainment

7.5

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

Food

7.0

Comfort

8.0

Boarding

8.1

Overall

8.0

Crew

8.6

Entertainment

7.5

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

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 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 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 Frontier fly from St. Louis to New Orleans in about 5h 30m. 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 flights from St. Louis to New Orleans?

    On average you can expect to pay $320 for a flight from St. Louis to New Orleans. The cheapest flight overall is $148 while the most popular route, (Lambert-St Louis - New Orleans Louis Armstrong) is currently priced at $140.

  • 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 $151). Flying from St. Louis to New Orleans in December is currently the most expensive (average of $252). 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
Slidell
Thibodaux
Houma
Gonzales
Covington
Gretna
Hammond

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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 noviembre 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$127Average$227FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$196Average$373FlexibilityNo cancel feeOn-time69%
DeltaCheapest$196Average$282FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$240Average$414FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$243Average$361FlexibilityNo cancel feeOn-time71%

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