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.

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

According to our current data, Frontier ($221), Sun Country Air ($231), and Southwest ($271) offers the cheapest pricing from New Orleans to St. Louis. Frontier is currently priced 32% 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 Spirit Airlines ($93), Frontier ($96), and Southwest ($136).

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

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

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

The cheapest flight price from New Orleans to St. Louis is $99. On average you can expect to pay $319. The most popular route, (New Orleans Louis Armstrong - Lambert-St Louis), can usually be booked for $189.

What are the most popular airlines that fly from New Orleans to St. Louis?

The most popular airlines flying from New Orleans to St. Louis are American Airlines, Delta and Frontier. Something to consider prior to booking your flight.

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

Flights from New Orleans to St. Louis are found to be more expensive on Saturday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to St. Louis.

How far in advance should I book a flight from New Orleans to St. Louis?

To save on the cost of your flight from New Orleans to St. Louis, book at least 37 days before your planned departure. Booking around this time can save you about 700% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $283 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $440.

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

Due to multiple factors, expect to potentially pay more when booking in October. For low rates, July can be a great choice for travel to St. Louis. Flights to St. Louis from New Orleans in July are about $329 on average during July, but can be found for as low as $178.

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 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 New Orleans-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 6 airlines when you book a flight from Louis Armstrong to St. Louis.

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.

$93+ Flights from New Orleans to St. Louis

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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

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Cheapflights Tip: The best prices from New Orleans Louis Armstrong to Lambert-St Louis are usually found in July or August, booked 36 days in advance, depart on a Thursday or Friday and return on a Monday

Cheap flight deals from New Orleans to St. Louis

Most accurate provider	FlightHub 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$212 (Mytrip)
One-way from	$93 (Mytrip)
Popular in	October
Cheapest in	July
Average price	$344
Good round-trip deal	$354 or less
Good one-way deal	$193 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. 8% potential increase in price ($30 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

Price to beat on a round-trip flight from New Orleans Louis Armstrong to Lambert-St Louis.

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Price to beat on a one-way flight from New Orleans Louis Armstrong to Lambert-St Louis.

Search Deals

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 April 17, 2025.

Fri 5/168:05 pmMSY - STL

1 stop13h 10mMultiple Airlines

Sun 5/187:30 amSTL - MSY

1 stop25h 10mMultiple Airlines

Deal found 4/16

$212

Fri 5/212:10 pmMSY - STL

1 stop12h 04mFrontier

Mon 5/56:53 pmSTL - MSY

1 stop22h 32mFrontier

Deal found 4/17

$221

Thu 5/1512:23 pmMSY - STL

1 stop23h 14mSun Country Air

Sun 5/187:30 amSTL - MSY

1 stop25h 10mSun Country Air

Deal found 4/16

$231

Tue 5/136:00 pmMSY - STL

Nonstop1h 50mSouthwest

Tue 5/206:40 pmSTL - MSY

Nonstop1h 45mSouthwest

Deal found 4/16

$271

Fri 5/165:30 amMSY - STL

3 stops27h 45mSpirit Airlines

Sun 5/1810:10 amSTL - MSY

2 stops30h 56mSpirit Airlines

Deal found 4/16

$298

Mon 5/127:00 amMSY - STL

1 stop7h 47mUnited Airlines

Sat 8/25:30 pmSTL - MSY

1 stop5h 17mUnited Airlines

Deal found 4/16

$310

Thu 6/127:22 pmMSY - STL

1 stop4h 29mDelta

Mon 6/1610:48 amSTL - MSY

1 stop5h 32mDelta

Deal found 4/16

$337

Fri 6/131:26 pmMSY - STL

1 stop7h 04mAmerican Airlines

Mon 6/165:29 pmSTL - MSY

1 stop5h 11mAmerican Airlines

Deal found 4/16

$354

Mon 6/25:46 pmMSY - STL

2 stops30h 05mAlaska Airlines

Sun 6/84:23 pmSTL - MSY

2 stops13h 38mAlaska Airlines

Deal found 4/16

$874

Best flights from New Orleans to St. Louis
Discover carefully curated flight deals from New Orleans to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 17, 2025.

Fri 5/168:05 pmMSY - STL

1 stop13h 10mMultiple Airlines

Sun 5/187:30 amSTL - MSY

1 stop25h 10mMultiple Airlines

Deal found 4/16

$212

Fri 5/212:10 pmMSY - STL

1 stop12h 04mFrontier

Mon 5/56:53 pmSTL - MSY

1 stop22h 32mFrontier

Deal found 4/17

$221

Thu 5/1512:23 pmMSY - STL

1 stop23h 14mSun Country Air

Sun 5/187:30 amSTL - MSY

1 stop25h 10mSun Country Air

Deal found 4/16

$231

Tue 5/136:00 pmMSY - STL

Nonstop1h 50mSouthwest

Tue 5/206:40 pmSTL - MSY

Nonstop1h 45mSouthwest

Deal found 4/16

$271

Fri 5/165:30 amMSY - STL

3 stops27h 45mSpirit Airlines

Sun 5/1810:10 amSTL - MSY

2 stops30h 56mSpirit Airlines

Deal found 4/16

$298

Mon 5/127:00 amMSY - STL

1 stop7h 47mUnited Airlines

Sat 8/25:30 pmSTL - MSY

1 stop5h 17mUnited Airlines

Deal found 4/16

$310

Thu 6/127:22 pmMSY - STL

1 stop4h 29mDelta

Mon 6/1610:48 amSTL - MSY

1 stop5h 32mDelta

Deal found 4/16

$337

Fri 6/131:26 pmMSY - STL

1 stop7h 04mAmerican Airlines

Mon 6/165:29 pmSTL - MSY

1 stop5h 11mAmerican Airlines

Deal found 4/16

$354

Mon 6/25:46 pmMSY - STL

2 stops30h 05mAlaska Airlines

Sun 6/84:23 pmSTL - MSY

2 stops13h 38mAlaska Airlines

Deal found 4/16

$874

Last-minute flights from New Orleans to St. Louis
Discover last-minute flight deals from New Orleans to St. Louis. Data last updated April 17, 2025 and is based on user searches.

Tue 4/2211:59 amMSY - STL

2 stops6h 42mMultiple Airlines

Tue 4/299:50 amSTL - MSY

2 stops25h 04mMultiple Airlines

Deal found 4/17

$500

Tue 4/222:11 pmMSY - STL

1 stop7h 37mUnited Airlines

Tue 4/295:35 pmSTL - MSY

1 stop4h 55mUnited Airlines

Deal found 4/17

$576

Sat 4/2610:00 amMSY - STL

Nonstop1h 50mSouthwest

Sun 4/275:55 amSTL - MSY

1 stop4h 40mSouthwest

Deal found 4/17

$611

Sat 4/269:16 amMSY - STL

2 stops14h 43mAlaska Airlines

Sun 4/276:30 amSTL - MSY

2 stops17h 01mAlaska Airlines

Deal found 4/17

$1,144

Thu 5/15:30 amMSY - STL

1 stop6h 15mDelta

Tue 5/610:30 amSTL - MSY

1 stop5h 27mDelta

Deal found 4/16

$457

Fri 5/212:10 pmMSY - STL

1 stop12h 04mFrontier

Mon 5/56:53 pmSTL - MSY

1 stop22h 32mFrontier

Deal found 4/17

$221

Mon 5/127:00 amMSY - STL

1 stop7h 47mUnited Airlines

Sat 8/25:30 pmSTL - MSY

1 stop5h 17mUnited Airlines

Deal found 4/16

$310

Tue 5/136:00 pmMSY - STL

Nonstop1h 50mSouthwest

Tue 5/206:40 pmSTL - MSY

Nonstop1h 45mSouthwest

Deal found 4/16

$271

Thu 5/1512:23 pmMSY - STL

1 stop23h 14mSun Country Air

Sun 5/187:30 amSTL - MSY

1 stop25h 10mSun Country Air

Deal found 4/16

$231

Fri 5/168:05 pmMSY - STL

1 stop13h 10mMultiple Airlines

Sun 5/187:30 amSTL - MSY

1 stop25h 10mMultiple Airlines

Deal found 4/16

$212

Fri 5/165:30 amMSY - STL

3 stops27h 45mSpirit Airlines

Sun 5/1810:10 amSTL - MSY

2 stops30h 56mSpirit Airlines

Deal found 4/16

$298

Fri 5/162:27 pmMSY - STL

1 stop6h 59mAmerican Airlines

Fri 5/237:19 pmSTL - MSY

1 stop4h 56mAmerican Airlines

Deal found 4/16

$372

One-way flights from New Orleans to St. Louis
Search for one-way flight options from New Orleans to St. Louis. Find affordable one-way fares based on user searches. Data last updated April 17, 2025.

Fri 5/238:05 pmMSY - STL

1 stop13h 10mSpirit Airlines

Deal found 4/16

$93

Tue 5/206:24 pmMSY - STL

1 stop15h 35mFrontier

Deal found 4/16

$96

Thu 5/2211:34 amMSY - STL

2 stops32h 36mMultiple Airlines

Deal found 4/16

$133

Sat 5/2410:00 amMSY - STL

Nonstop1h 50mSouthwest

Deal found 4/16

$136

Wed 5/146:25 amMSY - STL

1 stop5h 39mDelta

Deal found 4/16

$141

Sat 5/175:12 amMSY - STL

1 stop4h 42mAmerican Airlines

Deal found 4/16

$175

Mon 5/195:00 amMSY - STL

1 stop4h 56mUnited Airlines

Deal found 4/16

$176

Thu 5/15:49 pmMSY - STL

2 stops30h 10mAlaska Airlines

Deal found 4/17

$328

Cheapflights Fare Finder

Use the filters below to find and compare flights from New Orleans to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

New OrleansSt. Louis

MSY - STL

MSYSTL

New Orleans Louis Armstrong

Fri 5/16

8:05 pm-9:15 am

1 stop13h 10m

Lambert-St Louis

Sun 5/18

7:30 am-8:40 am

1 stop25h 10m

$212

New OrleansSt. Louis

MSY - STL

MSYSTL

New Orleans Louis Armstrong

Fri 5/2

12:10 pm-12:14 am

1 stop12h 04m

Lambert-St Louis

Mon 5/5

6:53 pm-5:25 pm

1 stop22h 32m

$221

New OrleansSt. Louis

MSY - STL

MSYSTL

New Orleans Louis Armstrong

Thu 5/15

12:23 pm-11:37 am

1 stop23h 14m

Lambert-St Louis

Sun 5/18

7:30 am-8:40 am

1 stop25h 10m

$231

New OrleansSt. Louis

MSY - STL

MSYSTL

New Orleans Louis Armstrong

Tue 5/13

6:00 pm-7:50 pm

Nonstop1h 50m

Lambert-St Louis

Tue 5/20

6:40 pm-8:25 pm

Nonstop1h 45m

$271

New OrleansSt. Louis

MSY - STL

MSYSTL

New Orleans Louis Armstrong

Fri 5/16

5:30 am-9:15 am

3 stops27h 45m

Lambert-St Louis

Sun 5/18

10:10 am-5:06 pm

2 stops30h 56m

$298

New OrleansSt. Louis

MSY - STL

MSYSTL

New Orleans Louis Armstrong

Mon 5/12

7:00 am-2:47 pm

1 stop7h 47m

Lambert-St Louis

Sat 8/2

5:30 pm-10:47 pm

1 stop5h 17m

$310

New OrleansSt. Louis

MSY - STL

MSYSTL

New Orleans Louis Armstrong

Thu 6/12

7:22 pm-11:51 pm

1 stop4h 29m

Lambert-St Louis

Mon 6/16

10:48 am-4:20 pm

1 stop5h 32m

$337

New OrleansSt. Louis

MSY - STL

MSYSTL

New Orleans Louis Armstrong

Fri 6/13

1:26 pm-8:30 pm

1 stop7h 04m

Lambert-St Louis

Mon 6/16

5:29 pm-10:40 pm

1 stop5h 11m

$354

New OrleansSt. Louis

MSY - STL

MSYSTL

New Orleans Louis Armstrong

Mon 6/2

5:46 pm-11:51 pm

2 stops30h 05m

Lambert-St Louis

Sun 6/8

4:23 pm-6:01 am

2 stops13h 38m

$874

New OrleansSt. Louis

MSY - STL

MSYSTL

New Orleans Louis Armstrong

Fri 5/23

8:05 pm-9:15 am

1 stop13h 10m

$93

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

Showing 1-10 of 17 results

Compare providers for flights from New Orleans to St. Louis

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 April.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Priceline	Price Accuracy1 star	Trust 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 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 New Orleans-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

Cheapflights partnered with top experts to bring you the best recommendations for your New Orleans to St. Louis trip

Airports

MSY

Expect average security wait times of around 15 minutes at MSY, thanks to efficient processes and lower passenger volumes.

STL

Use the MetroLink light rail for a convenient and economical trip from STL to downtown St. Louis, taking about 40 minutes.

Our travel experts

Brandon Schultz

Expert on MSY

Taryn White

Expert on STL

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

How far ahead should I book a flight from New Orleans to St. Louis?

The price you pay for your flight from New Orleans to St. Louis may vary depending on when you book. For the best chance of a lower fare, look to book 36 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, August is the cheapest month in which you can book a flight from New Orleans to St. Louis (average of $311). Flying from New Orleans to St. Louis in March is currently the most expensive (average of $356). 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?

It’s optimal to fly from New Orleans to St. Louis in the afternoon. By choosing this option you can save up to 29% on the cost of your flight, compared to a flight at noon.

Rainfall in St. Louis by month

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing St. Louis

See what other customers who have flown with Alaska Airlines, Southwest and Delta from New Orleans to St. Louis have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

9,882 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Alaska Airlines

8.0

Very good

9,882 reviews

Alaska Airlines

8.0

Very good

9,882 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Southwest

8.0

Very good

4,280 reviews

Alaska Airlines

8.0

Very good

9,882 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Delta

8.0

Very good

7,917 reviews

Alaska Airlines

8.0

Very good

9,882 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

United Airlines

7.4

Good

8,667 reviews

Alaska Airlines

8.0

Very good

9,882 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

American Airlines

7.2

Good

10,000 reviews

Alaska Airlines

8.0

Very good

9,882 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Related info for your journey

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 6 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.
What are the cheapest airlines flying from New Orleans to St. Louis round-trip?
According to our current data, Frontier ($221), Sun Country Air ($231), and Southwest ($271) offers the cheapest pricing from New Orleans to St. Louis. Frontier is currently priced 32% 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 Spirit Airlines ($93), Frontier ($96), and Southwest ($136).
What are the cheapest flights from New Orleans to St. Louis?
The cheapest flight price from New Orleans to St. Louis is $99. On average you can expect to pay $319. The most popular route, (New Orleans Louis Armstrong - Lambert-St Louis), can usually be booked for $189.
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, August is the cheapest month in which you can book a flight from New Orleans to St. Louis (average of $311). Flying from New Orleans to St. Louis in March is currently the most expensive (average of $356). 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

Fenton

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Wentzville

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Alternative routes for New Orleans to St. Louis

Complete your trip

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Other flights to St. Louis

Top 6 airlines flying from New Orleans to St. Louis

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$106	Average$178	FlexibilityNo cancel fee	On-time65%
Frontier	Cheapest$134	Average$168	FlexibilityNo cancel fee	On-time62%
American Airlines	Cheapest$178	Average$291	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$188	Average$283	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$216	Average$283	FlexibilityNo cancel fee	On-timeN/A
Southwest	Cheapest$316	Average$421	FlexibilityNo cancel fee	On-time63%

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$93+ 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 5/23. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from New Orleans to St. Louis with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from New Orleans Louis Armstrong to Lambert-St Louis are usually found in July or August, booked 36 days in advance, depart on a Thursday or Friday and return on a Monday

Cheap flight deals from New Orleans to St. Louis

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from New Orleans to St. Louis

Cheapest flights from New Orleans to St. LouisExplore 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 April 17, 2025.

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 April 17, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from New Orleans to St. Louis that are best for you.

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 April.

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

Cheapflights partnered with top experts to bring you the best recommendations for your New Orleans to St. Louis trip

Airports

MSY

STL

Our travel experts

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.

Cheapflights Insights

Everything you need to know about your flight from New Orleans to St. Louis

How far ahead should I book a flight from New Orleans to St. Louis?

Use this chart to determine the optimal time to book a round-trip flight from New Orleans to St. Louis. Price data was last updated on April 11, 2025.

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

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 April 17, 2025.

Rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average rainfall totals by month.

Temperature in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature totals by month.

Reviews of airlines servicing St. Louis

See what other customers who have flown with Alaska Airlines, Southwest and Delta from New Orleans to St. Louis have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

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

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

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

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

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

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

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

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

Traveling to a place near New Orleans?

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Alternative routes for New Orleans to St. Louis

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Top 6 airlines flying from New Orleans to St. Louis

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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 April 17, 2025.