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Cheap flights from New Orleans to St. Louis from $76

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from New Orleans to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
6:22 pm - 5:42 pmMSY  New Orleans Louis Armstrong-STL Lambert-St Louis
23h 20m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
6:34 pm - 4:13 pmSTL  Lambert-St Louis-MSY New Orleans Louis Armstrong
21h 39m1 stop Atlanta Hartsfield-Jackson
$140Frontier
Thu, Nov 5 - Mon, Nov 9
Frontier Logo
6:22 pm - 5:42 pmMSY  New Orleans Louis Armstrong-STL Lambert-St Louis
23h 20m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
6:34 pm - 4:13 pmSTL  Lambert-St Louis-MSY New Orleans Louis Armstrong
21h 39m1 stop Atlanta Hartsfield-Jackson
$151Frontier
Thu, Nov 5 - Mon, Nov 9
Multiple Airlines Logo
2:18 pm - 12:12 amMSY  New Orleans Louis Armstrong-STL Lambert-St Louis
9h 54m1 stop Orlando
Multiple Airlines Logo
12:02 pm - 8:41 amSTL  Lambert-St Louis-MSY New Orleans Louis Armstrong
20h 39m1 stop Atlanta Hartsfield-Jackson
$255Multiple Airlines
Wed, Dec 9 - Mon, Dec 14
Multiple Airlines Logo
5:08 pm - 8:54 amMSY  New Orleans Louis Armstrong-STL Lambert-St Louis
15h 46m1 stop Dallas/Fort Worth
Multiple Airlines Logo
6:34 pm - 7:23 pmSTL  Lambert-St Louis-MSY New Orleans Louis Armstrong
24h 49m2 stops Atlanta Hartsfield-Jackson Raleigh-Durham
$280Multiple Airlines
Thu, Nov 5 - Fri, Nov 6
Southwest Logo
7:35 am - 9:25 amMSY  New Orleans Louis Armstrong-STL Lambert-St Louis
1h 50mnonstop
Southwest Logo
10:35 am - 5:05 pmSTL  Lambert-St Louis-MSY New Orleans Louis Armstrong
6h 30m1 stop Kansas City
$356Southwest
Tue, Nov 10 - Sat, Nov 14
Southwest Logo
7:10 am - 8:55 amMSY  New Orleans Louis Armstrong-STL Lambert-St Louis
1h 45mnonstop
Southwest Logo
9:45 pm - 11:35 pmSTL  Lambert-St Louis-MSY New Orleans Louis Armstrong
1h 50mnonstop
$357Southwest
Thu, Nov 5 - Mon, Nov 9
American Airlines Logo
12:33 pm - 7:39 pmMSY  New Orleans Louis Armstrong-STL Lambert-St Louis
7h 06m1 stop Dallas/Fort Worth
American Airlines Logo
7:41 am - 2:52 pmSTL  Lambert-St Louis-MSY New Orleans Louis Armstrong
7h 11m1 stop Dallas/Fort Worth
$365American Airlines
Sat, Nov 21 - Sat, Nov 28
American Airlines Logo
6:32 pm - 11:33 pmMSY  New Orleans Louis Armstrong-STL Lambert-St Louis
5h 01m1 stop Dallas/Fort Worth
American Airlines Logo
2:54 pm - 9:35 pmSTL  Lambert-St Louis-MSY New Orleans Louis Armstrong
6h 41m1 stop Dallas/Fort Worth
$367American Airlines
Thu, Nov 5 - Mon, Nov 9
Delta Logo
5:11 pm - 12:05 amMSY  New Orleans Louis Armstrong-STL Lambert-St Louis
6h 54m1 stop Atlanta Hartsfield-Jackson
Delta Logo
10:06 am - 4:06 pmSTL  Lambert-St Louis-MSY New Orleans Louis Armstrong
6h 00m1 stop Atlanta Hartsfield-Jackson
$367Delta
Thu, Dec 10 - Tue, Dec 15
Delta Logo
6:20 am - 11:29 amMSY  New Orleans Louis Armstrong-STL Lambert-St Louis
5h 09m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:18 pm - 12:07 amSTL  Lambert-St Louis-MSY New Orleans Louis Armstrong
4h 49m1 stop Atlanta Hartsfield-Jackson
$558Delta
Wed, Dec 2 - Sun, Dec 6

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Frontier flights from New Orleans to St. Louis

Our best Frontier deals on New Orleans to St. Louis flight tickets
Frontier
Nov 5
MSY6:22 pmNew Orleans Louis Armstrong
23h 20m
1 stop
STL5:42 pmLambert-St Louis
Nov 9
STL6:34 pmLambert-St Louis
21h 39m
1 stop
MSY4:13 pmNew Orleans Louis Armstrong
$140
Frontier
Nov 5
MSY6:22 pmNew Orleans Louis Armstrong
23h 20m
1 stop
STL5:42 pmLambert-St Louis
Nov 9
STL6:34 pmLambert-St Louis
21h 39m
1 stop
MSY4:13 pmNew Orleans Louis Armstrong
$151
Frontier
Nov 5
MSY6:22 pmNew Orleans Louis Armstrong
23h 20m
1 stop
STL5:42 pmLambert-St Louis
Nov 9
STL6:34 pmLambert-St Louis
21h 39m
1 stop
MSY4:13 pmNew Orleans Louis Armstrong
$167

United Airlines flights from New Orleans to St. Louis

Our best United Airlines deals on New Orleans to St. Louis flight tickets
United Airlines
Nov 10
MSY7:00 amNew Orleans Louis Armstrong
5h 10m
1 stop
STL12:10 pmLambert-St Louis
Nov 17
STL9:40 amLambert-St Louis
7h 13m
1 stop
MSY4:53 pmNew Orleans Louis Armstrong
$362
United Airlines
Oct 26
MSY12:44 pmNew Orleans Louis Armstrong
8h 56m
2 stops
STL9:40 pmLambert-St Louis
Oct 30
STL9:40 amLambert-St Louis
12h 03m
2 stops
MSY9:43 pmNew Orleans Louis Armstrong
$667
United Airlines
Oct 26
MSY12:44 pmNew Orleans Louis Armstrong
8h 56m
2 stops
STL9:40 pmLambert-St Louis
Oct 30
STL9:40 amLambert-St Louis
12h 03m
2 stops
MSY9:43 pmNew Orleans Louis Armstrong
$687

momondo Fare Finder

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

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Depart

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Price

Cheapest round-trip

New OrleansSt. Louis

MSY New Orleans Louis Armstrong - STL Lambert-St Louis

MSYSTL

New Orleans Louis Armstrong

Thu 11/5

6:22 pm-5:42 pm

1 stop23h 20m

Lambert-St Louis

Mon 11/9

6:34 pm-4:13 pm

1 stop21h 39m

$140

New OrleansSt. Louis

MSY New Orleans Louis Armstrong - STL Lambert-St Louis

MSYSTL

New Orleans Louis Armstrong

Thu 11/5

6:22 pm-5:42 pm

1 stop23h 20m

Lambert-St Louis

Mon 11/9

6:34 pm-4:13 pm

1 stop21h 39m

$151

New OrleansSt. Louis

MSY New Orleans Louis Armstrong - STL Lambert-St Louis

MSYSTL

New Orleans Louis Armstrong

Wed 12/9

2:18 pm-12:12 am

1 stop9h 54m

Lambert-St Louis

Mon 12/14

12:02 pm-8:41 am

1 stop20h 39m

$255

New OrleansSt. Louis

MSY New Orleans Louis Armstrong - STL Lambert-St Louis

MSYSTL

New Orleans Louis Armstrong

Thu 11/5

5:08 pm-8:54 am

1 stop15h 46m

Lambert-St Louis

Fri 11/6

6:34 pm-7:23 pm

2 stops24h 49m

$280

New OrleansSt. Louis

MSY New Orleans Louis Armstrong - STL Lambert-St Louis

MSYSTL

New Orleans Louis Armstrong

Tue 11/10

7:35 am-9:25 am

Nonstop1h 50m

Lambert-St Louis

Sat 11/14

10:35 am-5:05 pm

1 stop6h 30m

$356
Quickest round-trip

New OrleansSt. Louis

MSY New Orleans Louis Armstrong - STL Lambert-St Louis

MSYSTL

New Orleans Louis Armstrong

Thu 11/5

7:10 am-8:55 am

Nonstop1h 45m

Lambert-St Louis

Mon 11/9

9:45 pm-11:35 pm

Nonstop1h 50m

$357

New OrleansSt. Louis

MSY New Orleans Louis Armstrong - STL Lambert-St Louis

MSYSTL

New Orleans Louis Armstrong

Sat 11/21

12:33 pm-7:39 pm

1 stop7h 06m

Lambert-St Louis

Sat 11/28

7:41 am-2:52 pm

1 stop7h 11m

$365

New OrleansSt. Louis

MSY New Orleans Louis Armstrong - STL Lambert-St Louis

MSYSTL

New Orleans Louis Armstrong

Thu 11/5

6:32 pm-11:33 pm

1 stop5h 01m

Lambert-St Louis

Mon 11/9

2:54 pm-9:35 pm

1 stop6h 41m

$367

New OrleansSt. Louis

MSY New Orleans Louis Armstrong - STL Lambert-St Louis

MSYSTL

New Orleans Louis Armstrong

Thu 12/10

5:11 pm-12:05 am

1 stop6h 54m

Lambert-St Louis

Tue 12/15

10:06 am-4:06 pm

1 stop6h 00m

$367

New OrleansSt. Louis

MSY New Orleans Louis Armstrong - STL Lambert-St Louis

MSYSTL

New Orleans Louis Armstrong

Wed 12/2

6:20 am-11:29 am

1 stop5h 09m

Lambert-St Louis

Sun 12/6

7:18 pm-12:07 am

1 stop4h 49m

$558

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to St. Louis from

How to get the cheapest flight ticket from New Orleans to St. Louis

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between New Orleans and St. Louis?

Prices are currently low for flights on this route.

Typical prices usually range from $315 to $398.
The lowest price recently found on this route was $140.

What is the cheapest month to fly to St. Louis?

In general, February is the cheapest month to fly from New Orleans to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $301. The month of September is another great option to travel to St. Louis, with average flight prices from New Orleans averaging around $320.

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Wednesday when prices can be found for as low as $322. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $491. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from New Orleans at noon is the least expensive time of day to depart. momondo users have found prices as low as $367 when looking at flights departing at noon. In the evening is when there is more demand to fly to St. Louis, so prices are often more expensive at around $450 per ticket.

What is the cheapest New Orleans Louis Armstrong to Lambert-St Louis flight route?

Fly from New Orleans Louis Armstrong to Lambert-St Louis for the best New Orleans Louis Armstrong - Lambert-St Louis flight prices

What cabin class options are available on New Orleans to St. Louis flights?

There is only 1 cabin class available to choose from on New Orleans to St. Louis flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on New Orleans to St. Louis flights?

No. A direct flight is the cheapest option for a flight between New Orleans to St. Louis.

How have New Orleans to St. Louis flight prices changed over time?

As of October 2026, prices for New Orleans to St. Louis flights are approximately 30% cheaper when compared to flights at the same time last year.

When to book flights from New Orleans to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from New Orleans to St. Louis according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap New Orleans to St. Louis (MSY to STL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from New Orleans to St. Louis

Best Price Found

$76

Fastest flight time

1h 45m

Direct flights

Every day

Airports in St. Louis

1 airport
The best one-way flight to St. Louis from New Orleans in the past 72 hours is $76. The best round-trip flight deal from New Orleans to St. Louis found on momondo in the last 72 hours is $140.
The fastest flight from New Orleans to St. Louis takes 1h 45m
Direct flights go from New Orleans to St. Louis every day.
There is 1 airport in St. Louis. From New Orleans there are direct flights to Lambert-St Louis (STL).
Search flight deals

Frequently asked questions about flying from New Orleans to St. Louis

  • How far is New Orleans Louis Armstrong to Lambert-St Louis by plane?

    The distance between New Orleans Louis Armstrong and Lambert-St Louis is about 599.0 mi. Flights usually cover this in 1h 45m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from New Orleans Louis Armstrong Airport to Lambert-St Louis Airport?

    Prices for flights from New Orleans Louis Armstrong Airport to Lambert-St Louis Airport are updated daily.

  • How many operators does momondo search for flights from New Orleans Louis Armstrong Airport to Lambert-St Louis Airport?

  • How old do you have to be to fly from New Orleans Louis Armstrong Airport to Lambert-St Louis Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from New Orleans Louis Armstrong Airport to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The travel and health documents required for your trip to Lambert-St Louis Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from New Orleans to St. Louis?

  • What is the most popular airline from New Orleans to St. Louis?

Best airlines flying from New Orleans to St. Louis

Compare and see reviews for airlines that fly from New Orleans to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $74Free CancellationRating
5.5
2,539 reviews
Search Frontier flights
DeltaPriceFrom $143Free CancellationRating
7.8
8,650 reviews
Search Delta flights
American AirlinesPriceFrom $256Free CancellationRating
7.0
12,164 reviews
Search American Airlines flights
SouthwestPriceFrom $277Free CancellationRating
7.9
4,215 reviews
Search Southwest flights

  • Southwest Flights From New Orleans to St. Louis

    The lowest priced Southwest flight from New Orleans to St. Louis from the last 72 hours was $277. Generally, Southwest has 9 flights on this route every week with an average price of $390. Southwest is rated 7.9/10 by our users.

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Fairview Heights
Chesterfield
Maryland Heights
St. Peters
Alton
Florissant
Collinsville
Farmington
Hermann
Clayton
Festus
Fenton
O'Fallon
Edwardsville
Eureka
Wentzville
Litchfield
Grafton
Waterloo

Why use momondo?

Why should I use momondo to find a flight deal from New Orleans to St. Louis?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to St. Louis from New Orleans.

Can I find flights from New Orleans to St. Louis with flexible booking policies on momondo?

Yes. All flights to St. Louis from New Orleans on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from New Orleans to St. Louis?

Once all potential New Orleans to St. Louis flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from New Orleans to St. Louis right now. Can momondo alert me if prices change?

If you are not ready to book a flight from New Orleans to St. Louis now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to St. Louis and let you know when they change.

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