New Orleans

$69+ 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 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MSY
ene. 7 — ene. 141
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Cheapflights Tip: The best prices from Lambert-St Louis to New Orleans Louis Armstrong are usually found in September or June, booked 74 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 diciembre 8, 2025.

This Frontier deal was found by Cheapflights users on 12/8. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/1810:42 amSTL - MSY
1 stop5h 45mFrontier
lun. 12/221:59 pmMSY - STL
1 stop8h 34mFrontier
Deal found 12/8$238
This Mytrip deal was found by Cheapflights users on 12/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/107:43 pmSTL - MSY
1 stop16h 41mFrontier
lun. 12/151:52 pmMSY - STL
1 stop8h 41mFrontier
Deal found 12/6$244
This Kiwi.com deal was found by Cheapflights users on 12/6. 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.
jue. 12/1810:42 amSTL - MSY
1 stop5h 45mMultiple Airlines
lun. 12/225:00 pmMSY - STL
1 stop16h 40mMultiple Airlines
Deal found 12/6$255
This Booking.com deal was found by Cheapflights users on 12/7. 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. 12/133:30 pmSTL - MSY
1 stop21h 37mFrontier
dom. 12/218:14 amMSY - STL
1 stop25h 31mFrontier
Deal found 12/7$256
This Frontier deal was found by Cheapflights users on 12/8. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/1410:42 amSTL - MSY
1 stop5h 35mFrontier
lun. 12/151:52 pmMSY - STL
1 stop8h 41mFrontier
Deal found 12/8$268
This Kiwi.com deal was found by Cheapflights users on 12/7. 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
mar. 12/308:03 pmMSY - STL
1 stop26h 30mMultiple Airlines
Deal found 12/7$304
This Kiwi.com deal was found by Cheapflights users on 12/7. 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. 12/3011:51 amSTL - MSY
1 stop20h 56mMultiple Airlines
lun. 1/55:00 pmMSY - STL
2 stops29h 33mMultiple Airlines
Deal found 12/7$307
This Kiwi.com deal was found by Cheapflights users on 12/7. 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. 12/3011:51 amSTL - MSY
1 stop20h 56mMultiple Airlines
dom. 1/44:58 pmMSY - STL
2 stops15h 14mMultiple Airlines
Deal found 12/7$308
This Kiwi.com deal was found by Cheapflights users on 12/7. 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. 12/3011:51 amSTL - MSY
1 stop20h 56mMultiple Airlines
jue. 1/15:22 pmMSY - STL
2 stops14h 50mMultiple Airlines
Deal found 12/7$335
This Orbitz deal was found by Cheapflights users on 12/6. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/710:42 amSTL - MSY
1 stop5h 35mMultiple Airlines
dom. 12/146:20 amMSY - STL
1 stop7h 32mMultiple Airlines
Deal found 12/6$341

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 diciembre 8, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$142
(Kiwi.com)

One-way from

$69
(Kiwi.com)

Popular in

May

Cheapest in

September

Average price

$415

Good round-trip deal

$435 or less

Good one-way deal

$227 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. 2% potential increase in price ($10 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Average for round-trip flights in December 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 diciembre 8, 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. 1/4

11:51 am-8:47 am

1 stop20h 56m

New Orleans Louis Armstrong

mié. 1/7

5:00 pm-2:48 pm

1 stop21h 48m

$245

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

jue. 1/8

6:55 pm-11:30 pm

1 stop4h 35m

New Orleans Louis Armstrong

lun. 1/12

6:59 pm-11:39 pm

1 stop4h 40m

$355

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

jue. 2/26

3:00 pm-4:50 pm

Nonstop1h 50m

New Orleans Louis Armstrong

vie. 2/27

7:40 pm-9:30 pm

Nonstop1h 50m

$380

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

vie. 2/6

5:30 am-12:35 pm

1 stop7h 05m

New Orleans Louis Armstrong

lun. 2/9

6:05 pm-7:55 pm

Nonstop1h 50m

$380

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

vie. 1/23

8:15 am-10:05 am

Nonstop1h 50m

New Orleans Louis Armstrong

mar. 1/27

7:45 am-9:35 am

Nonstop1h 50m

$380

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

vie. 1/9

5:55 pm-7:45 pm

Nonstop1h 50m

New Orleans Louis Armstrong

lun. 1/12

5:10 pm-7:00 pm

Nonstop1h 50m

$380

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

jue. 1/29

12:00 pm-6:08 pm

1 stop6h 08m

New Orleans Louis Armstrong

dom. 2/1

6:30 am-11:04 am

1 stop4h 34m

$385

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

dom. 12/14

3:30 pm-12:57 pm

1 stop21h 27m

New Orleans Louis Armstrong

lun. 12/15

5:22 pm-10:33 pm

2 stops29h 11m

$388

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

vie. 2/13

5:11 pm-3:00 pm

1 stop21h 49m

New Orleans Louis Armstrong

mar. 2/17

8:29 pm-4:49 pm

1 stop20h 20m

$388

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

jue. 2/19

6:45 pm-11:05 pm

1 stop4h 20m

New Orleans Louis Armstrong

dom. 2/22

7:20 am-9:10 am

Nonstop1h 50m

$390

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/8

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 December.
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
Trip.comPrice Accuracy2 starsTrust 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 December 5, 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, December is the cheapest month in which you can book a flight from St. Louis to New Orleans (average of $93). Flying from St. Louis to New Orleans in June is currently the most expensive (average of $278). 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 diciembre 8, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 15% 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 diciembre 8, 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.

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Crew

8.6

Food

7.0

Overall

8.0

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

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Crew

8.6

Food

7.0

Overall

8.0

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

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Crew

8.6

Food

7.0

Overall

8.0

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

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Crew

8.6

Food

7.0

Overall

8.0

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

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Crew

8.6

Food

7.0

Overall

8.0

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

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Crew

8.6

Food

7.0

Overall

8.0

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 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 Delta and Southwest fly from St. Louis to New Orleans in about 1h 50m. The time it takes to get you to your destination can typically vary by up to 2h 45m. 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 $128. Other airlines that can offer you cheap pricing are Delta, from $192, and United Airlines, from $212. These flights start at 67% 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 $62. Delta flights start at $98 while deals on American Airlines start at $118 one-way.

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

    On average you can expect to pay $373 for a flight from St. Louis to New Orleans. The cheapest flight overall is $207 while the most popular route, (Lambert-St Louis - New Orleans Louis Armstrong) is currently priced at $142.

  • 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 $93). Flying from St. Louis to New Orleans in June is currently the most expensive (average of $278). 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 diciembre 8, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$128Average$240FlexibilityNo cancel feeOn-time62%
DeltaCheapest$196Average$315FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$212Average$391FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$236Average$373FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$240Average$415FlexibilityNo cancel feeOn-time63%

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