New Orleans

$79+ 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 1/28. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MSY
Jan 27 — Feb 31
We work with more than 300 partners to bring you better travel deals

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

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 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 December 28, 2025.

This Delta deal was found by Cheapflights users on 12/25. 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.
Tue 12/306:05 amSTL - MSY
1 stop7h 38mDelta
Tue 1/65:24 pmMSY - STL
1 stop6h 15mDelta
Deal found 12/25$351
This Delta deal was found by Cheapflights users on 12/27. 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.
Tue 12/306:05 amSTL - MSY
1 stop7h 38mDelta
Thu 1/17:00 pmMSY - STL
1 stop4h 38mDelta
Deal found 12/27$377
This United Airlines deal was found by Cheapflights users on 12/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/308:05 amSTL - MSY
1 stop8h 10mUnited Airlines
Sat 1/35:00 amMSY - STL
2 stops9h 26mUnited Airlines
Deal found 12/27$380
This United Airlines deal was found by Cheapflights users on 12/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3011:05 amSTL - MSY
1 stop5h 10mUnited Airlines
Thu 1/12:14 pmMSY - STL
2 stops8h 29mUnited Airlines
Deal found 12/27$382
This United Airlines deal was found by Cheapflights users on 12/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/265:45 pmSTL - MSY
1 stop5h 43mUnited Airlines
Sun 12/285:00 amMSY - STL
1 stop4h 49mUnited Airlines
Deal found 12/26$403
This United Airlines deal was found by Cheapflights users on 12/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/275:45 pmSTL - MSY
1 stop5h 43mUnited Airlines
Tue 12/305:00 amMSY - STL
1 stop4h 49mUnited Airlines
Deal found 12/27$421
This United Airlines deal was found by Cheapflights users on 12/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/305:45 pmSTL - MSY
1 stop5h 43mUnited Airlines
Tue 1/62:13 pmMSY - STL
2 stops8h 45mUnited Airlines
Deal found 12/25$426
This United Airlines deal was found by Cheapflights users on 12/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/305:45 pmSTL - MSY
1 stop5h 43mUnited Airlines
Sun 1/45:00 amMSY - STL
1 stop4h 49mUnited Airlines
Deal found 12/26$447

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 December 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$146
(Kiwi.com)

One-way from

$79
(Kiwi.com)

Popular in

May

Cheapest in

September

Average price

$418

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 ($8 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 December 28, 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

Sat 2/7

12:12 pm-7:41 pm

1 stop7h 29m

New Orleans Louis Armstrong

Tue 2/10

7:00 am-10:27 pm

1 stop15h 27m

$173

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Fri 1/23

11:18 am-7:41 pm

1 stop8h 23m

New Orleans Louis Armstrong

Tue 2/3

7:00 am-11:33 pm

1 stop16h 33m

$256

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Sat 2/7

6:00 am-10:52 am

1 stop4h 52m

New Orleans Louis Armstrong

Tue 2/10

5:00 am-9:22 am

1 stop4h 22m

$305

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Sun 3/1

8:30 am-12:25 pm

1 stop3h 55m

New Orleans Louis Armstrong

Wed 3/4

7:45 am-9:35 am

Nonstop1h 50m

$315

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Sun 2/1

3:45 pm-10:02 pm

1 stop6h 17m

New Orleans Louis Armstrong

Sat 2/7

12:55 pm-7:27 pm

1 stop6h 32m

$317

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Tue 1/27

1:00 pm-8:12 pm

1 stop7h 12m

New Orleans Louis Armstrong

Wed 1/28

7:23 am-11:54 am

1 stop4h 31m

$317

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Tue 1/27

5:04 pm-11:25 pm

1 stop6h 21m

New Orleans Louis Armstrong

Sat 1/31

11:31 am-4:37 pm

1 stop5h 06m

$317

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Sat 2/14

8:55 pm-10:45 pm

Nonstop1h 50m

New Orleans Louis Armstrong

Mon 2/23

5:30 pm-10:55 pm

1 stop5h 25m

$331

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Sun 1/25

5:42 pm-9:06 am

1 stop15h 24m

$83

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Wed 1/28

3:46 pm-6:48 pm

1 stop27h 02m

$85

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/26

Showing 1-10 of 19 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 26, 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 December 28, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 11% 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 December 28, 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

Crew

8.6

Overall

8.0

Comfort

8.0

Boarding

8.1

Food

7.0

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

Crew

8.6

Overall

8.0

Comfort

8.0

Boarding

8.1

Food

7.0

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

Crew

8.6

Overall

8.0

Comfort

8.0

Boarding

8.1

Food

7.0

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

Crew

8.6

Overall

8.0

Comfort

8.0

Boarding

8.1

Food

7.0

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

Crew

8.6

Overall

8.0

Comfort

8.0

Boarding

8.1

Food

7.0

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

Crew

8.6

Overall

8.0

Comfort

8.0

Boarding

8.1

Food

7.0

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 United Airlines 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 $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 $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 $472 for a flight from St. Louis to New Orleans. The cheapest flight overall is $345 while the most popular route, (Lambert-St Louis - New Orleans Louis Armstrong) is currently priced at $156.

  • 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 December 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$82Average$240FlexibilityNo cancel feeOn-time62%
DeltaCheapest$98Average$307FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$196Average$374FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$236Average$385FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$240Average$416FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.