$65+ Cheap flights from St. Louis to New Orleans (STL - MSY)
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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MSY
Oct 1 — Oct 81
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from St. Louis to New Orleans 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.Cheapflights Tip: The best prices from Lambert-St Louis to New Orleans Louis Armstrong are usually found in April or October, booked 19 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday
Cheap flight deals from St. Louis to New Orleans
Cheapest
Best
Last-minute
One-way
Cheapest flights from St. Louis to New OrleansExplore the most affordable flight options available from St. Louis to New Orleans. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 1, 2026.
Explore the most affordable flight options available from St. Louis to New Orleans. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 1, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/31. 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 9/252:29 pm -
1 stop25h 53m
Tue 9/295:17 pm -
1 stop19h 53m
Deal found 8/31![Frontier logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 8/31. 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.
Sat 9/268:10 pm -
1 stop13h 43m
Tue 9/295:17 pm -
1 stop19h 53m
Deal found 8/31![Frontier logo]()
$188
This Kiwi.com deal was found by Cheapflights users on 9/1. 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 10/196:35 pm -
1 stop21h 35m
Fri 10/235:05 pm -
2 stops25h 52m
Deal found 9/1![Frontier logo]()
$191
This Expedia deal was found by Cheapflights users on 8/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/94:30 pm -
1 stop27h 39m
Sun 10/119:04 pm -
1 stop26h 09m
Deal found 8/28![Frontier logo]()
$200
This CheapOair deal was found by Cheapflights users on 8/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/275:19 pm -
1 stop25h 48m
Sun 10/49:00 pm -
1 stop14h 17m
Deal found 8/28![Frontier logo]()
$210
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 11/207:05 pm -
1 stop25h 32m
Tue 12/17:11 pm -
1 stop11h 58m
Deal found 8/28![Frontier logo]()
$212
This CheapOair deal was found by Cheapflights users on 8/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/185:19 pm -
1 stop25h 48m
Sun 9/278:03 pm -
1 stop20h 31m
Deal found 8/28![Frontier logo]()
$221
This Frontier deal was found by Cheapflights users on 8/31. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2410:20 am -
1 stop6h 11m
Mon 9/289:00 pm -
1 stop14h 32m
Deal found 8/31![Frontier logo]()
$222
This Kiwi.com deal was found by Cheapflights users on 8/31. 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 9/302:29 pm -
1 stop25h 53m
Wed 10/75:17 pm -
2 stops29h 56m
Deal found 8/31![Frontier logo]()
$225
This Kiwi.com deal was found by Cheapflights users on 8/30. 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 10/266:35 pm -
1 stop21h 38m
Fri 11/65:08 pm -
2 stops30h 08m
Deal found 8/30![Frontier logo]()
$230
This Expedia deal was found by Cheapflights users on 8/31. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2812:17 pm -
1 stop7h 47m
Mon 10/59:00 pm -
1 stop14h 32m
Deal found 8/31![Frontier logo]()
$231
Best flights from St. Louis to New OrleansDiscover carefully curated flight deals from St. Louis to New Orleans that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 1, 2026.
Discover carefully curated flight deals from St. Louis to New Orleans that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 1, 2026.
This Delta deal was found by Cheapflights users on 8/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/162:31 pm -
1 stop6h 08m
Wed 11/181:13 pm -
1 stop5h 00m
Deal found 8/27![Delta logo]()
$259
This Southwest deal was found by Cheapflights users on 8/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/12:05 pm -
Nonstop1h 40m
Mon 10/52:25 pm -
Nonstop1h 45m
Deal found 8/30![Southwest logo]()
$327
This Delta deal was found by Cheapflights users on 8/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:00 am -
1 stop3h 56m
Thu 11/265:30 am -
1 stop4h 50m
Deal found 8/28![Delta logo]()
$259
This Delta deal was found by Cheapflights users on 8/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/172:25 pm -
1 stop3h 54m
Wed 10/219:10 am -
1 stop4h 10m
Deal found 8/27![Delta logo]()
$259
This Delta deal was found by Cheapflights users on 8/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/227:18 pm -
1 stop4h 41m
Thu 11/267:46 am -
1 stop5h 37m
Deal found 8/28![Delta logo]()
$259
This Southwest deal was found by Cheapflights users on 8/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:30 pm -
Nonstop1h 45m
Fri 10/302:25 pm -
Nonstop1h 45m
Deal found 8/27![Southwest logo]()
$332
This Southwest deal was found by Cheapflights users on 8/31. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:30 am -
1 stop5h 30m
Fri 10/237:40 am -
Nonstop1h 50m
Deal found 8/31![Southwest logo]()
$337
This Southwest deal was found by Cheapflights users on 8/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/108:25 am -
1 stop3h 50m
Fri 11/137:10 am -
Nonstop1h 45m
Deal found 8/27![Southwest logo]()
$338
This Southwest deal was found by Cheapflights users on 8/31. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/99:50 pm -
Nonstop1h 45m
Mon 10/127:05 pm -
1 stop5h 30m
Deal found 8/31![Southwest logo]()
$357
This Delta deal was found by Cheapflights users on 8/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/242:31 pm -
1 stop4h 03m
Mon 11/307:30 pm -
1 stop4h 26m
Deal found 8/28![Delta logo]()
$359
This Southwest deal was found by Cheapflights users on 9/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/198:25 pm -
Nonstop1h 45m
Mon 11/237:10 pm -
Nonstop1h 45m
Deal found 9/1![Southwest logo]()
$363
Last-minute flights from St. Louis to New OrleansDiscover last-minute flight deals from St. Louis to New Orleans. Data last updated September 1, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to New Orleans. Data last updated September 1, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 8/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/185:19 pm -
1 stop25h 48m
Sun 9/278:03 pm -
1 stop20h 31m
Deal found 8/28![Frontier logo]()
$221
This CheapOair deal was found by Cheapflights users on 8/27. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/198:10 pm -
1 stop13h 43m
Sun 9/278:03 pm -
1 stop20h 31m
Deal found 8/27![Frontier logo]()
$232
This Frontier deal was found by Cheapflights users on 8/31. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2410:20 am -
1 stop6h 11m
Mon 9/289:00 pm -
1 stop14h 32m
Deal found 8/31![Frontier logo]()
$222
This Kiwi.com deal was found by Cheapflights users on 8/31. 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 9/252:29 pm -
1 stop25h 53m
Tue 9/295:17 pm -
1 stop19h 53m
Deal found 8/31![Frontier logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 8/31. 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.
Sat 9/268:10 pm -
1 stop13h 43m
Tue 9/295:17 pm -
1 stop19h 53m
Deal found 8/31![Frontier logo]()
$188
This CheapOair deal was found by Cheapflights users on 8/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/275:19 pm -
1 stop25h 48m
Sun 10/49:00 pm -
1 stop14h 17m
Deal found 8/28![Frontier logo]()
$210
This Expedia deal was found by Cheapflights users on 8/31. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2812:17 pm -
1 stop7h 47m
Mon 10/59:00 pm -
1 stop14h 32m
Deal found 8/31![Frontier logo]()
$231
This Kiwi.com deal was found by Cheapflights users on 8/31. 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 9/302:29 pm -
1 stop25h 53m
Wed 10/75:17 pm -
2 stops29h 56m
Deal found 8/31![Frontier logo]()
$225
This Expedia deal was found by Cheapflights users on 8/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/94:30 pm -
1 stop27h 39m
Sun 10/119:04 pm -
1 stop26h 09m
Deal found 8/28![Frontier logo]()
$200
This Kiwi.com deal was found by Cheapflights users on 9/1. 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 10/196:35 pm -
1 stop21h 35m
Fri 10/235:05 pm -
2 stops25h 52m
Deal found 9/1![Frontier logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 8/30. 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 10/266:35 pm -
1 stop21h 38m
Fri 11/65:08 pm -
2 stops30h 08m
Deal found 8/30![Frontier logo]()
$230
One-way flights from St. Louis to New OrleansSearch for one-way flight options from St. Louis to New Orleans. Find affordable one-way fares based on user searches. Data last updated September 1, 2026.
Search for one-way flight options from St. Louis to New Orleans. Find affordable one-way fares based on user searches. Data last updated September 1, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/27. 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 9/302:29 pm -
1 stop25h 53m
Deal found 8/27![Frontier logo]()
$65
This Kiwi.com deal was found by Cheapflights users on 8/27. 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.
Mon 9/282:29 pm -
1 stop25h 53m
Deal found 8/27![Frontier logo]()
$69
This Kiwi.com deal was found by Cheapflights users on 8/29. 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 10/266:35 pm -
1 stop21h 38m
Deal found 8/29![Frontier logo]()
$72
This Trip.com deal was found by Cheapflights users on 8/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:35 pm -
1 stop22h 47m
Deal found 8/30![Frontier logo]()
$74
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 10/306:44 pm -
1 stop21h 29m
Deal found 8/28![Frontier logo]()
$76
This Kiwi.com deal was found by Cheapflights users on 8/27. 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.
Fri 9/252:29 pm -
1 stop25h 53m
Deal found 8/27![Frontier logo]()
$77
Find flight deals from St. Louis to New Orleans
Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to New Orleans (MSY). 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 September 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $127 (Kiwi.com) |
One-way from | $65 (Kiwi.com) |
Popular in | February |
Cheapest in | April |
Average price | $415 |
Good round-trip deal | $435 or less |
Good one-way deal | $298 or less |
Cheapflights 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, Cheapflights users made 7,457,451 searches. Data last updated September 1, 2026.
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
Cheapest round-trip
St. LouisNew Orleans
STL Lambert-St Louis - MSY New Orleans Louis Armstrong
STLMSY
Lambert-St Louis
Mon 11/16
2:31 pm-8:39 pm
1 stop6h 08m
New Orleans Louis Armstrong
Wed 11/18
1:13 pm-6:13 pm
1 stop5h 00m
$259
St. LouisNew Orleans
STL Lambert-St Louis - MSY New Orleans Louis Armstrong
STLMSY
Lambert-St Louis
Wed 11/25
6:00 am-9:56 am
1 stop3h 56m
New Orleans Louis Armstrong
Thu 11/26
5:30 am-10:20 am
1 stop4h 50m
$259
St. LouisNew Orleans
STL Lambert-St Louis - MSY New Orleans Louis Armstrong
STLMSY
Lambert-St Louis
Sat 10/17
2:25 pm-6:19 pm
1 stop3h 54m
New Orleans Louis Armstrong
Wed 10/21
9:10 am-1:20 pm
1 stop4h 10m
$259
St. LouisNew Orleans
STL Lambert-St Louis - MSY New Orleans Louis Armstrong
STLMSY
Lambert-St Louis
Sun 11/22
7:18 pm-11:59 pm
1 stop4h 41m
New Orleans Louis Armstrong
Thu 11/26
7:46 am-1:23 pm
1 stop5h 37m
$259
Quickest round-trip
St. LouisNew Orleans
STL Lambert-St Louis - MSY New Orleans Louis Armstrong
STLMSY
Lambert-St Louis
Thu 10/1
2:05 pm-3:45 pm
Nonstop1h 40m
New Orleans Louis Armstrong
Mon 10/5
2:25 pm-4:10 pm
Nonstop1h 45m
$327
St. LouisNew Orleans
STL Lambert-St Louis - MSY New Orleans Louis Armstrong
STLMSY
Lambert-St Louis
Tue 10/27
6:30 pm-8:15 pm
Nonstop1h 45m
New Orleans Louis Armstrong
Fri 10/30
2:25 pm-4:10 pm
Nonstop1h 45m
$332
St. LouisNew Orleans
STL Lambert-St Louis - MSY New Orleans Louis Armstrong
STLMSY
Lambert-St Louis
Sat 10/17
6:30 am-12:00 pm
1 stop5h 30m
New Orleans Louis Armstrong
Fri 10/23
7:40 am-9:30 am
Nonstop1h 50m
$337
St. LouisNew Orleans
STL Lambert-St Louis - MSY New Orleans Louis Armstrong
STLMSY
Lambert-St Louis
Tue 11/10
8:25 am-12:15 pm
1 stop3h 50m
New Orleans Louis Armstrong
Fri 11/13
7:10 am-8:55 am
Nonstop1h 45m
$338
St. LouisNew Orleans
STL Lambert-St Louis - MSY New Orleans Louis Armstrong
STLMSY
Lambert-St Louis
Fri 10/9
9:50 pm-11:35 pm
Nonstop1h 45m
New Orleans Louis Armstrong
Mon 10/12
7:05 pm-12:35 am
1 stop5h 30m
$357
St. LouisNew Orleans
STL Lambert-St Louis - MSY New Orleans Louis Armstrong
STLMSY
Lambert-St Louis
Tue 11/24
2:31 pm-6:34 pm
1 stop4h 03m
New Orleans Louis Armstrong
Mon 11/30
7:30 pm-11:56 pm
1 stop4h 26m
$359
Showing 1-10 of 20 resultsSorted by cheapest first
Compare providers for flights from St. Louis to New Orleans
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 St. Louis to New Orleans in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on St. Louis-New Orleans flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-New Orleans flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-New Orleans flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on St. Louis-New Orleans 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 St. Louis-New Orleans 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 St. Louis to New Orleans
Have a flexible travel schedule? Discover the best time to fly to New Orleans from St. Louis with our price prediction graph.
STL-MSY
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 St. Louis to New Orleans
Prices
Airlines
More
How far ahead should I book a flight from St. Louis to New Orleans?
To ensure you get the cheapest price possible for a flight from St. Louis to New Orleans, you should look to book at least 18 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from St. Louis to New Orleans?
Currently, April is the cheapest month in which you can book a flight from St. Louis to New Orleans (average of $350). Flying from St. Louis to New Orleans in February is currently the most expensive (average of $495). 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 STL to MSY?
Find hourly flight availability from St. Louis to New Orleans. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 1, 2026.
Unlike in the afternoon, when flights are generally more expensive, you can save up to 2% on flights from St. Louis to New Orleans by exploring options for tickets in the morning.
What’s the top layover airport for flights from St. Louis to New Orleans?
Share of 1-stop round-trip flights from St. Louis to New Orleans chosen by Cheapflights users in the past 12 months, using the same layover each way.
Chicago (ORD) – chosen by Cheapflights users on 60% of 1-stop itineraries from St. Louis to New Orleans on Cheapflights.
What’s the cheapest layover airport for flights from St. Louis to New Orleans?
Average round-trip fare for 1-stop flights from St. Louis to New Orleans, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Denver (DEN) is the most affordable 1-stop option, with an average round-trip price of $170.
What’s the fastest layover option from St. Louis to New Orleans?
Shortest average travel time for 1-stop one-way flights from St. Louis to New Orleans, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Dallas (DFW) have the shortest average one-way travel time for 1-stop routes: 4h 40m.
Which airport typically offers the quickest layover for flights from St. Louis to New Orleans?
Average layover duration for 1-stop one-way flights from St. Louis to New Orleans, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Chicago (ORD) offer the fastest connection on this route, with an average layover time of 1h 01m.
Reviews of airlines servicing New Orleans
Get insights into the airlines that provide service to New Orleans. 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 New Orleans. Reviews last updated September 1, 2026.
See what other customers who have flown with Southwest,Delta, andUnited Airlines from St. Louis to New Orleans have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Entertainment
7.5
Food
7.0
Comfort
8.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Crew
8.6
Entertainment
7.5
Food
7.0
Comfort
8.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Crew
8.6
Entertainment
7.5
Food
7.0
Comfort
8.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Crew
8.6
Entertainment
7.5
Food
7.0
Comfort
8.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Crew
8.6
Entertainment
7.5
Food
7.0
Comfort
8.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Crew
8.6
Entertainment
7.5
Food
7.0
Comfort
8.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Related info for your journey
Find useful and relevant information for your journey from St. Louis to New Orleans. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near New Orleans?
Book flights to New Orleans if you plan to visit one of these locationsMetairie
Kenner
Gonzales
Houma
Gretna
Slidell
Thibodaux
Hammond
Covington
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.
Alternative routes
Complete your trip
Flights by cabin class
New Orleans flight routes
Other flight options
Other flights from St. Louis
Popular flights
Alternative routes for St. Louis to New Orleans
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to New Orleans by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from St. Louis to New Orleans by cabin class
Find flights from St. Louis to New Orleans, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to New Orleans
Explore flights to New Orleans departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 1, 2026.
St. Louis and New Orleans flights
Browse other St. Louis and New Orleans flight options. Last updated on September 1, 2026.
Other flights from St. Louis
Browse through other flights departing from St. Louis. Flights are based on user searches made on Cheapflights and were last updated on September 1, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 5 airlines flying from St. Louis to New Orleans
Discover the top 5 airlines that operate flights from St. Louis to New Orleans. 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 7,457,451 searches. Data last updated September 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$82 | Average$227 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$93 | Average$337 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$196 | Average$322 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$271 | Average$415 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$303 | Average$443 | FlexibilityNo cancel fee | On-time63% |