Cheap flights from St. Louis to New Orleans from $68

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to New Orleans departing on 10/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

United Airlines Logo
6:15 am - 10:59 amSTL-MSY
4h 44m1 stop
United Airlines Logo
2:14 pm - 6:46 pmMSY-STL
4h 32m1 stop
$135United Airlines
Find Deal
lun., nov. 24 - vie., nov. 28
Frontier Logo
7:52 pm - 6:17 pmSTL-MSY
22h 25m1 stop
Frontier Logo
6:27 pm - 9:07 amMSY-STL
14h 40m1 stop
$156Frontier
Find Deal
mié., oct. 15 - vie., oct. 17
American Airlines Logo
6:25 am - 1:58 pmSTL-MSY
7h 33m1 stop
American Airlines Logo
9:34 am - 4:17 pmMSY-STL
6h 43m1 stop
$159American Airlines
Find Deal
mar., oct. 28 - vie., oct. 31
Multiple Airlines Logo
4:52 pm - 4:31 pmSTL-MSY
23h 39m1 stop
Multiple Airlines Logo
4:17 pm - 10:12 amMSY-STL
17h 55m1 stop
$163Multiple Airlines
Find Deal
vie., oct. 31 - mié., nov. 5
Multiple Airlines Logo
6:22 pm - 11:39 pmSTL-MSY
5h 17m1 stop
Multiple Airlines Logo
9:55 am - 5:27 pmMSY-STL
7h 32m1 stop
$164Multiple Airlines
Find Deal
jue., nov. 6 - jue., nov. 13
Multiple Airlines Logo
6:22 pm - 11:39 pmSTL-MSY
5h 17m1 stop
Multiple Airlines Logo
6:00 am - 11:09 amMSY-STL
5h 09m1 stop
$173Multiple Airlines
Find Deal
jue., nov. 6 - dom., nov. 9
Frontier Logo
7:52 pm - 6:17 pmSTL-MSY
22h 25m1 stop
Frontier Logo
6:27 pm - 9:07 amMSY-STL
14h 40m1 stop
$181Frontier
Find Deal
mié., oct. 15 - vie., oct. 17
Spirit Airlines Logo
12:20 pm - 10:05 pmSTL-MSY
9h 45m1 stop
Spirit Airlines Logo
5:10 am - 11:01 amMSY-STL
5h 51m1 stop
$190Spirit Airlines
Find Deal
jue., nov. 13 - dom., nov. 16
Delta Logo
11:36 am - 4:47 pmSTL-MSY
5h 11m1 stop
Delta Logo
7:03 pm - 11:40 pmMSY-STL
4h 37m1 stop
$197Delta
Find Deal
mar., nov. 4 - vie., nov. 14
Spirit Airlines Logo
7:15 pm - 8:07 amSTL-MSY
12h 52m1 stop
Spirit Airlines Logo
7:55 pm - 10:02 amMSY-STL
14h 07m1 stop
$222Spirit Airlines
Find Deal
sáb., oct. 11 - mié., oct. 15

American Airlines flights from St. Louis to New Orleans

Our best American Airlines deals on St. Louis to New Orleans flight tickets
American Airlines
Oct 28
STL6:25 amLambert-St Louis
7h 33m
1 stop
MSY1:58 pmNew Orleans Louis Armstrong
Oct 31
MSY9:34 amNew Orleans Louis Armstrong
6h 43m
1 stop
STL4:17 pmLambert-St Louis
American Airlines
Oct 1
STL6:29 amLambert-St Louis
4h 56m
1 stop
MSY11:25 amNew Orleans Louis Armstrong
Oct 4
MSY6:00 amNew Orleans Louis Armstrong
7h 31m
1 stop
STL1:31 pmLambert-St Louis
American Airlines
Sep 18
STL7:16 amLambert-St Louis
4h 31m
1 stop
MSY11:47 amNew Orleans Louis Armstrong
Sep 23
MSY12:46 pmNew Orleans Louis Armstrong
5h 36m
1 stop
STL6:22 pmLambert-St Louis

United Airlines flights from St. Louis to New Orleans

Our best United Airlines deals on St. Louis to New Orleans flight tickets
United Airlines
Nov 24
STL6:15 amLambert-St Louis
4h 44m
1 stop
MSY10:59 amNew Orleans Louis Armstrong
Nov 28
MSY2:14 pmNew Orleans Louis Armstrong
4h 32m
1 stop
STL6:46 pmLambert-St Louis
United Airlines
Nov 5
STL8:20 amLambert-St Louis
4h 49m
1 stop
MSY1:09 pmNew Orleans Louis Armstrong
Nov 14
MSY12:01 pmNew Orleans Louis Armstrong
6h 46m
1 stop
STL6:47 pmLambert-St Louis
United Airlines
Dec 6
STL4:45 pmLambert-St Louis
6h 14m
1 stop
MSY10:59 pmNew Orleans Louis Armstrong
Dec 14
MSY5:15 amNew Orleans Louis Armstrong
7h 00m
2 stops
STL12:15 pmLambert-St Louis

momondo 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, momondo users made 832,500 searches. Data last updated septiembre 17, 2025.
Use the filters below to find and compare flights from St. Louis to New Orleans that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

lun. 11/24

6:15 am-10:59 am

1 stop4h 44m

New Orleans Louis Armstrong

vie. 11/28

2:14 pm-6:46 pm

1 stop4h 32m

$135

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

mié. 10/15

7:52 pm-6:17 pm

1 stop22h 25m

New Orleans Louis Armstrong

vie. 10/17

6:27 pm-9:07 am

1 stop14h 40m

$156

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

mar. 10/28

6:25 am-1:58 pm

1 stop7h 33m

New Orleans Louis Armstrong

vie. 10/31

9:34 am-4:17 pm

1 stop6h 43m

$159

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

vie. 10/31

4:52 pm-4:31 pm

1 stop23h 39m

New Orleans Louis Armstrong

mié. 11/5

4:17 pm-10:12 am

1 stop17h 55m

$163

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

jue. 11/6

6:22 pm-11:39 pm

1 stop5h 17m

New Orleans Louis Armstrong

jue. 11/13

9:55 am-5:27 pm

1 stop7h 32m

$164

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

jue. 11/6

6:22 pm-11:39 pm

1 stop5h 17m

New Orleans Louis Armstrong

dom. 11/9

6:00 am-11:09 am

1 stop5h 09m

$173

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

mié. 10/15

7:52 pm-6:17 pm

1 stop22h 25m

New Orleans Louis Armstrong

vie. 10/17

6:27 pm-9:07 am

1 stop14h 40m

$181

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

jue. 11/13

12:20 pm-10:05 pm

1 stop9h 45m

New Orleans Louis Armstrong

dom. 11/16

5:10 am-11:01 am

1 stop5h 51m

$190

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

mar. 11/4

11:36 am-4:47 pm

1 stop5h 11m

New Orleans Louis Armstrong

vie. 11/14

7:03 pm-11:40 pm

1 stop4h 37m

$197

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

sáb. 10/11

7:15 pm-8:07 am

1 stop12h 52m

New Orleans Louis Armstrong

mié. 10/15

7:55 pm-10:02 am

1 stop14h 07m

$222

Flights are sorted by cheapest round-trip flights first.

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See travel insights to New Orleans from

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

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 St. Louis and New Orleans?

What is the cheapest month to fly to New Orleans?

The cheapest month to fly to New Orleans from St. Louis is in November. Flight prices, which tend to average around $318, are often lower during this time because this is during the off-season. If you are unable to visit New Orleans during the month of November, then departing from St. Louis during the month June is also very affordable. Most momondo users find prices during this month for around $350.

What is the cheapest day to depart on your flight to New Orleans?

The cheapest day to depart from St. Louis to New Orleans is on a Monday when prices can be found for as low as $345. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from St. Louis to New Orleans for around $442.

What is the cheapest time of day to depart on your flight to New Orleans?

The cheapest time of day to fly to New Orleans is at noon when flights can be purchased for as low as $371. In the evening is when there is more demand to fly to New Orleans, so prices are often more expensive at around $420 per ticket.

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

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

How far in advance should I book a flight to New Orleans?

You are more likely to see cheaper flights to New Orleans from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to New Orleans for around $391 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to New Orleans from St. Louis for as low as $283 on momondo.

What cabin class options are available on Lambert-St Louis to New Orleans Louis Armstrong flights?

There is only 1 cabin class available to choose from on Lambert-St Louis to New Orleans Louis Armstrong 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 St. Louis to New Orleans flights?

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

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

As of September 2025, prices for St. Louis to New Orleans flights are approximately 109% more expensive when compared to flights at the same time last year.

When to book flights from St. Louis to New Orleans

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

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

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

Best Price Found

$317

Fastest flight time

1h 40m

Direct flights

Every day

Airports in New Orleans

1 airport
The best flight deal from St. Louis to New Orleans found on momondo in the last 72 hours is $317
The fastest flight from St. Louis to New Orleans takes 1h 40m
Direct flights go from St. Louis to New Orleans every day.
There is 1 airport near New Orleans: New Orleans Louis Armstrong (MSY)
  • How far is Lambert-St Louis to New Orleans Louis Armstrong by plane?

    The distance between Lambert-St Louis and New Orleans Louis Armstrong is about 599.0 mi. Typically, this will take 4h 44m by plane in normal conditions.

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

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

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to New Orleans Louis Armstrong Airport.

  • What documentation or ID do you need to fly to New Orleans Louis Armstrong Airport?

    The travel and health documents you'll need for your trip to New Orleans Louis Armstrong Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at New Orleans Louis Armstrong Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

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

Best airlines flying from St. Louis to New Orleans

Compare and see reviews for airlines that fly from St. Louis to New Orleans with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $127Free CancellationRating
5.8
3,173 reviews
Search Frontier flights
DeltaPriceFrom $196Free CancellationRating
7.9
7,961 reviews
Search Delta flights
United AirlinesPriceFrom $212Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
SouthwestPriceFrom $240Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
American AirlinesPriceFrom $243Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
  • Southwest Flights From St. Louis to New Orleans

    Southwest is one of the most popular airlines flying from St. Louis to New Orleans, operating 11 flights/week on average for this route. A good Southwest flight deal for St. Louis to New Orleans starts from $240 round-trip, up to an average price of $414. Our users have rated Southwest at 8.0/10.

Traveling to a place near New Orleans?

Book flights to New Orleans if you plan to visit one of these locations
Metairie
Hammond
Slidell
Houma
Kenner
Covington
Gonzales
Gretna
Thibodaux
Lockport
Springfield

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from St. Louis to New Orleans. momondo saves you time and could save you money on your trip.

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

momondo does allow users to show only those flights to New Orleans from St. Louis which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to New Orleans from St. Louis.

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

Yes momondo offers price alerts on flights to New Orleans from St. Louis. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your New Orleans trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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1 adult
vie. 10/17
vie. 10/24

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