HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
St. Louis

$61+ 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 2/26. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — STL
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from New Orleans to St. Louis 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.

Cheap 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 January 29, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/56:55 pm
MSY
-
STL
1 stop11h 56m
Frontier
Fri 2/208:20 pm
STL
-
MSY
1 stop25h 50m
Frontier
Deal found 1/27$133
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/266:46 pm
MSY
-
STL
1 stop12h 05m
Frontier
Sat 2/282:51 pm
STL
-
MSY
1 stop22h 48m
Frontier
Deal found 1/27$145
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/56:55 pm
MSY
-
STL
1 stop11h 56m
Frontier
Sat 2/148:17 pm
STL
-
MSY
1 stop20h 47m
Frontier
Deal found 1/27$152
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 2/135:55 pm
MSY
-
STL
1 stop12h 56m
Frontier
Mon 2/168:22 pm
STL
-
MSY
1 stop14h 37m
Frontier
Deal found 1/28$155
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/56:55 pm
MSY
-
STL
1 stop11h 56m
Multiple Airlines
Fri 2/208:20 pm
STL
-
MSY
2 stops13h 18m
Multiple Airlines
Deal found 1/27$156
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 2/276:49 pm
MSY
-
STL
1 stop12h 02m
Multiple Airlines
Mon 3/23:49 pm
STL
-
MSY
1 stop19h 12m
Multiple Airlines
Deal found 1/28$165
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 2/1310:15 am
MSY
-
STL
2 stops20h 36m
Multiple Airlines
Mon 2/168:22 pm
STL
-
MSY
1 stop14h 37m
Multiple Airlines
Deal found 1/28$167
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 3/56:46 pm
MSY
-
STL
1 stop17h 03m
Multiple Airlines
Mon 3/94:51 pm
STL
-
MSY
1 stop18h 10m
Multiple Airlines
Deal found 1/28$168
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/246:20 am
MSY
-
STL
2 stops24h 31m
Multiple Airlines
Tue 3/33:49 pm
STL
-
MSY
1 stop7h 09m
Multiple Airlines
Deal found 1/27$169
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 2/116:05 am
MSY
-
STL
2 stops16h 22m
Multiple Airlines
Sat 2/148:17 pm
STL
-
MSY
1 stop20h 47m
Multiple Airlines
Deal found 1/28$180
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/116:05 am
MSY
-
STL
2 stops16h 22m
Multiple Airlines
Sun 2/153:49 pm
STL
-
MSY
1 stop7h 09m
Multiple Airlines
Deal found 1/27$183

Find 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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$145
(Kiwi.com)

One-way from

$61
(Trip.com)

Popular in

September

Cheapest in

August

Average price

$371

Good round-trip deal

$287 or less

Good one-way deal

$253 or less
Provider with most accurate pricing for New Orleans Louis Armstrong-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for New Orleans Louis Armstrong-Lambert-St Louis flights.
Search Deals
From New Orleans Louis Armstrong to Lambert-St Louis
Search Deals
One-way flight from New Orleans Louis Armstrong to Lambert-St Louis
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($15 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a round-trip flight from New Orleans Louis Armstrong to Lambert-St Louis.
Search Deals
Price to beat on a one-way flight from New Orleans Louis Armstrong to Lambert-St Louis.
Search Deals

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 January 29, 2026.
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 2/26

6:46 pm-6:51 am

1 stop12h 05m

Lambert-St Louis

Sat 2/28

2:51 pm-1:39 pm

1 stop22h 48m

$145

New OrleansSt. Louis

MSY - STL

MSYSTL

New Orleans Louis Armstrong

Fri 2/13

5:55 pm-6:51 am

1 stop12h 56m

Lambert-St Louis

Mon 2/16

8:22 pm-10:59 am

1 stop14h 37m

$155

New OrleansSt. Louis

MSY - STL

MSYSTL

New Orleans Louis Armstrong

Thu 3/5

6:46 pm-11:49 am

1 stop17h 03m

Lambert-St Louis

Mon 3/9

4:51 pm-11:01 am

1 stop18h 10m

$168

New OrleansSt. Louis

MSY - STL

MSYSTL

New Orleans Louis Armstrong

Thu 2/26

6:46 pm-6:51 am

1 stop12h 05m

Lambert-St Louis

Sat 2/28

12:36 pm-8:21 am

2 stops19h 45m

$169

New OrleansSt. Louis

MSY - STL

MSYSTL

New Orleans Louis Armstrong

Fri 2/13

10:15 am-6:51 am

2 stops20h 36m

Lambert-St Louis

Mon 2/16

10:11 pm-3:33 pm

1 stop17h 22m

$179

New OrleansSt. Louis

MSY - STL

MSYSTL

New Orleans Louis Armstrong

Wed 2/11

6:05 am-10:27 pm

2 stops16h 22m

Lambert-St Louis

Sun 2/15

3:49 pm-10:58 pm

1 stop7h 09m

$183

New OrleansSt. Louis

MSY - STL

MSYSTL

New Orleans Louis Armstrong

Sat 2/28

10:43 am-11:59 pm

2 stops13h 16m

Lambert-St Louis

Tue 3/3

3:49 pm-10:58 pm

1 stop7h 09m

$198

New OrleansSt. Louis

MSY - STL

MSYSTL

New Orleans Louis Armstrong

Thu 4/2

3:24 pm-9:48 am

1 stop18h 24m

Lambert-St Louis

Mon 4/6

4:54 pm-11:19 pm

2 stops30h 25m

$248

New OrleansSt. Louis

MSY - STL

MSYSTL

New Orleans Louis Armstrong

Thu 4/23

11:44 am-6:50 am

1 stop19h 06m

Lambert-St Louis

Mon 4/27

8:13 pm-6:57 pm

2 stops46h 44m

$260

New OrleansSt. Louis

MSY - STL

MSYSTL

New Orleans Louis Armstrong

Wed 4/22

3:30 pm-10:30 am

2 stops19h 00m

Lambert-St Louis

Sat 4/25

8:13 pm-10:49 am

1 stop14h 36m

$283

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 22 results
1
2
3

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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
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, December is the cheapest month in which you can book a flight from New Orleans to St. Louis (average of $75). 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 January 29, 2026.

It’s optimal to fly from New Orleans to St. Louis in the morning. By choosing this option you can save up to 4% on the cost of your flight, compared to a flight in the afternoon.

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 January 24, 2026.

Travelers seeking maximum savings on their New Orleans to St. Louis flight should consider departing on Wednesday at noon when fares are most often at their lowest. Monday 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

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your New Orleans to St. Louis trip
Our travel experts
Brandon Schultz

Brandon Schultz

Expert on MSY

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 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 January 29, 2026.
Get a feel of what it's like to fly with Southwest, American Airlines, and Frontier 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.
Southwest
8.0
Very good
4,267 reviews

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Food

7.0

Crew

8.6

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
Southwest
8.0
Very good
4,267 reviews
Southwest
8.0
Very good
4,267 reviews

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Food

7.0

Crew

8.6

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
American Airlines
7.2
Good
11,206 reviews
Southwest
8.0
Very good
4,267 reviews

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Food

7.0

Crew

8.6

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
Frontier
5.7
Fair
3,056 reviews
Southwest
8.0
Very good
4,267 reviews

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Food

7.0

Crew

8.6

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 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 50m for a nonstop flight. You can also purchase a plane ticket from 3 airlines when you book a flight from Louis Armstrong to St. Louis.

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

    The New Orleans Louis Armstrong to Lambert-St Louis flight path was viewed by 8 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    Airlines like Frontier fly from New Orleans to St. Louis in about 12h 05m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 605 mi.

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

    According to our current data, Frontier ($55), Southwest ($278), and American Airlines ($332) offers the cheapest pricing from New Orleans to St. Louis. Frontier is currently priced 85% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from New Orleans to St. Louis one-way?

    The cheapest airlines for a one-way flight from New Orleans to St. Louis are Delta ($98), United Airlines ($98), and Frontier ($101).

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

    The cheapest flight price from New Orleans to St. Louis is $98. On average you can expect to pay $331. The most popular route, (New Orleans Louis Armstrong - Lambert-St Louis), can usually be booked for $156.

  • 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, December is the cheapest month in which you can book a flight from New Orleans to St. Louis (average of $75). 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
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
Chesterfield
Alton
Farmington
Festus

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 3 airlines flying from New Orleans to St. Louis

Discover the top 3 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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$55Average$182FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$278Average$390FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$332Average$482FlexibilityNo cancel feeOn-time71%

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.