St. Louis

$75+ Cheap flights from New Orleans to St. Louis (MSY - STL)

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 11/19. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — STL
Nov 12 — Nov 191
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Cheap flight deals from New Orleans to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from New Orleans (MSY) to St. Louis (STL). 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 October 13, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$158
(Cheapflightsfares)

One-way from

$75
(Trip.com)

Popular in

September

Cheapest in

December

Average price

$386

Good round-trip deal

$377 or less

Good one-way deal

$124 or less
Provider with most accurate pricing for New Orleans Louis Armstrong-Lambert-St Louis flight deals.
Provider most trusted by Cheapflights users for New Orleans Louis Armstrong-Lambert-St Louis flights.
From New Orleans Louis Armstrong to Lambert-St Louis
One-way flight from New Orleans Louis Armstrong to Lambert-St Louis
Highest demand for flights based on searches. 8% potential increase in price ($34 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Average for round-trip flights in October 2025
Price to beat on a round-trip flight from New Orleans Louis Armstrong to Lambert-St Louis.
Price to beat on a one-way flight from New Orleans Louis Armstrong to Lambert-St Louis.

Find flight deals from New Orleans to St. Louis

Cheapest flights from New Orleans to St. Louis
Explore the most affordable flight options available from New Orleans to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 13, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 10/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/45:10 amMSY - STL
1 stop5h 51mSpirit Airlines
Sat 12/62:48 pmSTL - MSY
1 stop7h 17mSpirit Airlines
Deal found 10/11$158
This Kiwi.com deal was found by Cheapflights users on 10/12. 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 10/306:05 pmMSY - STL
1 stop21h 52mMultiple Airlines
Sun 11/26:21 pmSTL - MSY
1 stop14h 14mMultiple Airlines
Deal found 10/12$175
This Kiwi.com deal was found by Cheapflights users on 10/12. 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 11/66:01 pmMSY - STL
1 stop22h 00mFrontier
Sat 11/87:45 pmSTL - MSY
2 stops16h 44mFrontier
Deal found 10/12$202
This Kiwi.com deal was found by Cheapflights users on 10/12. 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 11/267:24 pmMSY - STL
1 stop14h 34mMultiple Airlines
Wed 12/37:43 pmSTL - MSY
2 stops20h 13mMultiple Airlines
Deal found 10/12$209
This United Airlines deal was found by Cheapflights users on 10/12. 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.
Wed 12/105:15 amMSY - STL
1 stop4h 49mUnited Airlines
Tue 12/166:15 amSTL - MSY
1 stop4h 32mUnited Airlines
Deal found 10/12$219
This Kiwi.com deal was found by Cheapflights users on 10/12. 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 10/235:55 pmMSY - STL
1 stop16h 21mMultiple Airlines
Tue 10/288:40 pmSTL - MSY
2 stops40h 34mMultiple Airlines
Deal found 10/12$235
This Kiwi.com deal was found by Cheapflights users on 10/10. 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 10/227:55 pmMSY - STL
2 stops14h 42mMultiple Airlines
Sun 10/2611:32 amSTL - MSY
1 stop23h 20mMultiple Airlines
Deal found 10/10$240
This Kiwi.com deal was found by Cheapflights users on 10/12. 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 10/278:50 amMSY - STL
2 stops24h 17mMultiple Airlines
Fri 10/314:52 pmSTL - MSY
1 stop23h 39mMultiple Airlines
Deal found 10/12$243
This Kiwi.com deal was found by Cheapflights users on 10/12. 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 12/103:20 pmMSY - STL
1 stop22h 42mMultiple Airlines
Tue 12/165:11 pmSTL - MSY
2 stops23h 54mMultiple Airlines
Deal found 10/12$248

Cheapflights Fare Finder

 
Customize your flight search to find flights from New Orleans to St. Louis 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 October 13, 2025.
Use the filters below to find and compare flights from New Orleans to St. Louis that are best for you.

Fly from

New Orleans

Fly to

St. Louis

Route

Depart

Return

Price

New OrleansSt. Louis

MSY - STL

MSYSTL

New Orleans Louis Armstrong

Thu 11/6

6:01 pm-4:01 pm

1 stop22h 00m

Lambert-St Louis

Sat 11/8

7:45 pm-12:29 pm

2 stops16h 44m

$202

New OrleansSt. Louis

MSY - STL

MSYSTL

New Orleans Louis Armstrong

Wed 11/26

7:24 pm-9:58 am

1 stop14h 34m

Lambert-St Louis

Wed 12/3

7:43 pm-3:56 pm

2 stops20h 13m

$209

New OrleansSt. Louis

MSY - STL

MSYSTL

New Orleans Louis Armstrong

Thu 11/6

6:06 am-1:40 pm

1 stop7h 34m

Lambert-St Louis

Sat 11/8

6:03 pm-11:05 pm

1 stop5h 02m

$219

New OrleansSt. Louis

MSY - STL

MSYSTL

New Orleans Louis Armstrong

Wed 12/10

11:38 am-5:10 pm

1 stop5h 32m

Lambert-St Louis

Tue 12/16

10:45 am-4:08 pm

1 stop5h 23m

$219

New OrleansSt. Louis

MSY - STL

MSYSTL

New Orleans Louis Armstrong

Wed 12/10

5:15 am-10:04 am

1 stop4h 49m

Lambert-St Louis

Tue 12/16

6:15 am-10:47 am

1 stop4h 32m

$219

New OrleansSt. Louis

MSY - STL

MSYSTL

New Orleans Louis Armstrong

Thu 10/23

5:55 pm-10:16 am

1 stop16h 21m

Lambert-St Louis

Tue 10/28

8:40 pm-1:14 pm

2 stops40h 34m

$235

New OrleansSt. Louis

MSY - STL

MSYSTL

New Orleans Louis Armstrong

Wed 10/22

7:55 pm-10:37 am

2 stops14h 42m

Lambert-St Louis

Sun 10/26

11:32 am-10:52 am

1 stop23h 20m

$240

New OrleansSt. Louis

MSY - STL

MSYSTL

New Orleans Louis Armstrong

Thu 11/6

7:20 am-9:10 am

Nonstop1h 50m

Lambert-St Louis

Sat 11/8

5:45 am-11:40 am

1 stop5h 55m

$266

New OrleansSt. Louis

MSY - STL

MSYSTL

New Orleans Louis Armstrong

Thu 12/4

5:15 am-12:15 pm

2 stops7h 00m

Lambert-St Louis

Sat 12/6

4:45 pm-9:39 pm

1 stop4h 54m

$294

New OrleansSt. Louis

MSY - STL

MSYSTL

New Orleans Louis Armstrong

Wed 11/12

3:21 pm-10:12 am

1 stop18h 51m

$93

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/13

Showing 1-10 of 20 results
1
2

Compare providers for flights from New Orleans to St. Louis

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 New Orleans to St. Louis in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice 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 New Orleans-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on New Orleans-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from New Orleans-St. Louis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on New Orleans-St. Louis 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 New Orleans-St. Louis 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 New Orleans to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from New Orleans 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 New Orleans to St. Louis

What is the cheapest month to book a flight from New Orleans to St. Louis?

Currently, January is the cheapest month in which you can book a flight from New Orleans to St. Louis (average of $106). Flying from New Orleans to St. Louis in March is currently the most expensive (average of $284). 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 MSY to STL?

Find hourly flight availability from New Orleans to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 13, 2025.

It’s optimal to fly from New Orleans to St. Louis in the morning. By choosing this option you can save up to 31% on the cost of your flight, compared to a flight at noon.

What is the cheapest day to fly from New Orleans to St. Louis?

Use this chart to determine the cheapest time to fly round-trip from New Orleans to St. Louis. Price data was last updated on October 12, 2025.

Travelers seeking maximum savings on their New Orleans to St. Louis flight should consider departing on Tuesday at noon when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

The best insider tips for New Orleans to St. Louis flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your New Orleans to St. Louis trip
Airports
MSY

Expect efficient security at MSY with average wait times around 15 minutes, thanks to a single checkpoint and lower passenger volumes.

Read more about MSYby Brandon Schultz
STL

Use the MetroLink light rail for a convenient, economical 40-minute ride from STL to downtown St. Louis.

Read more about STLby Taryn White
Our travel experts
Brandon Schultz

Brandon Schultz

Expert on MSY

Brandon Schultz

Brandon Schultz

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Read more
Taryn White

Taryn White

Expert on STL

Taryn White

Taryn White

Taryn White is a freelance travel writer, digital creator, and travel advisor who has visited nearly 100 countries and all 50 states. She’s familiar with many airports and enjoys beach hopping, boutique hotels, spa experiences, and exploring local culture. Her work has appeared in Travel + Leisure, Condé Nast Traveler, National Geographic, Smithsonian Magazine, AFAR, and more.

Read more

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated October 13, 2025.
Get a feel of what it's like to fly with Southwest, Delta, and United Airlines from New Orleans to St. Louis by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

8.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Crew

8.6

Food

7.0

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

Comfort

8.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Crew

8.6

Food

7.0

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
8.0
Very good

Comfort

8.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Crew

8.6

Food

7.0

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

Comfort

8.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Crew

8.6

Food

7.0

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

Comfort

8.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Crew

8.6

Food

7.0

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

Comfort

8.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Crew

8.6

Food

7.0

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 New Orleans to St. Louis. 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 New Orleans to St. Louis?

    Booking a flight from New Orleans Louis Armstrong (MSY) to Lambert-St Louis (STL) is your only option if you wish to fly from New Orleans to St. Louis. On a typical day, there is 1 flight from Louis Armstrong to Lambert-St Louis, all of which are around 1h 45m for a nonstop flight. You can also purchase a plane ticket from 5 airlines when you book a flight from Louis Armstrong to St. Louis.

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

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

    Airlines like Frontier, American Airlines, and Delta fly from New Orleans to St. Louis in about 5h 32m. The time it takes to get you to your destination can typically vary by up to 16h 28m. Airlines will cover a distance of 605 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from New Orleans to St. Louis round-trip?

    According to our current data, Frontier ($72), Delta ($198), and United Airlines ($218) offers the cheapest pricing from New Orleans to St. Louis. Frontier is currently priced 80% below the average price you’ll pay for this route.

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

    The cheapest flight price from New Orleans to St. Louis is $92. On average you can expect to pay $296. The most popular route, (New Orleans Louis Armstrong - Lambert-St Louis), can usually be booked for $158.

  • Can I find deals for flights from New Orleans to St. Louis that include hotel bookings?

    Yes. In addition to deals on New Orleans to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from New Orleans to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from New Orleans to St. Louis.

  • Can I find deals for business class flights from New Orleans to St. Louis?

    Yes. Cheapflights offers flight deals from New Orleans to St. Louis 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 New Orleans to St. Louis?

    Currently, January is the cheapest month in which you can book a flight from New Orleans to St. Louis (average of $106). Flying from New Orleans to St. Louis in March is currently the most expensive (average of $284). 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 St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
St. Peters
Chesterfield
Alton
Farmington
Festus

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Top 5 airlines flying from New Orleans to St. Louis

Discover the top 5 airlines that operate flights from New Orleans to St. Louis. 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 October 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$72Average$184FlexibilityNo cancel feeOn-time62%
DeltaCheapest$198Average$258FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$218Average$314FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$248Average$332FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$278Average$395FlexibilityNo cancel feeOn-time63%

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