$47+ 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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — STL
Aug 27 — Sep 31
Round-trip
1 adult, Economy
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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
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Best
Last-minute
One-way
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 July 28, 2026.
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 July 28, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 9/115:02 pm
MSY
- STL
1 stop16h 38m
Frontier
Mon 9/1410:35 am
STL
- MSY
1 stop5h 34m
Frontier
Deal found 7/23![Frontier logo]()
$121
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 10/75:02 pm
MSY
- STL
1 stop16h 38m
Frontier
Mon 10/1210:35 am
STL
- MSY
1 stop5h 32m
Frontier
Deal found 7/26![Frontier logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 10/75:02 pm
MSY
- STL
1 stop16h 38m
Frontier
Tue 10/1310:35 am
STL
- MSY
1 stop5h 32m
Frontier
Deal found 7/26![Frontier logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 10/155:02 pm
MSY
- STL
1 stop16h 38m
Frontier
Mon 10/1910:35 am
STL
- MSY
1 stop5h 32m
Frontier
Deal found 7/26![Frontier logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 8/277:11 pm
MSY
- STL
1 stop22h 11m
Frontier
Mon 8/316:17 pm
STL
- MSY
1 stop23h 45m
Frontier
Deal found 7/27![Frontier logo]()
$143
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 8/267:11 pm
MSY
- STL
1 stop22h 11m
Frontier
Mon 8/316:17 pm
STL
- MSY
1 stop23h 45m
Frontier
Deal found 7/27![Frontier logo]()
$144
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 8/277:11 pm
MSY
- STL
1 stop22h 11m
Frontier
Fri 9/46:17 pm
STL
- MSY
1 stop23h 45m
Frontier
Deal found 7/27![Frontier logo]()
$148
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 8/267:11 pm
MSY
- STL
1 stop22h 11m
Frontier
Fri 9/46:17 pm
STL
- MSY
1 stop23h 45m
Frontier
Deal found 7/27![Frontier logo]()
$149
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 9/175:17 pm
MSY
- STL
1 stop19h 53m
Frontier
Wed 9/232:29 pm
STL
- MSY
1 stop25h 40m
Frontier
Deal found 7/27![Frontier logo]()
$154
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 8/245:41 pm
MSY
- STL
1 stop22h 50m
Frontier
Mon 8/316:17 pm
STL
- MSY
1 stop23h 45m
Frontier
Deal found 7/27![Frontier logo]()
$155
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 8/207:11 pm
MSY
- STL
1 stop22h 11m
Frontier
Thu 8/276:17 pm
STL
- MSY
2 stops46h 39m
Frontier
Deal found 7/23![Frontier logo]()
$157
Best flights from New Orleans to St. LouisDiscover 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 July 28, 2026.
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 July 28, 2026.
This CheapOair deal was found by Cheapflights users on 7/28. 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.
Sat 9/56:17 pm
MSY
- STL
1 stop21h 54m
Frontier
Mon 9/74:23 pm
STL
- MSY
1 stop25h 09m
Frontier
Deal found 7/28![Frontier logo]()
$250
This Southwest deal was found by Cheapflights users on 7/26. 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.
Wed 10/71:25 pm
MSY
- STL
Nonstop1h 45m
Southwest
Mon 10/129:50 pm
STL
- MSY
Nonstop1h 40m
Southwest
Deal found 7/26![Southwest logo]()
$297
This United Airlines deal was found by Cheapflights users on 7/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/195:05 am
MSY
- STL
1 stop5h 05m
United Airlines
Sat 8/2211:25 am
STL
- MSY
2 stops8h 38m
United Airlines
Deal found 7/27![United Airlines logo]()
$312
This Southwest deal was found by Cheapflights users on 7/23. 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 8/227:35 am
MSY
- STL
Nonstop1h 45m
Southwest
Tue 8/258:25 am
STL
- MSY
Nonstop1h 45m
Southwest
Deal found 7/23![Southwest logo]()
$297
This Southwest deal was found by Cheapflights users on 7/26. 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 9/57:35 am
MSY
- STL
Nonstop1h 45m
Southwest
Mon 9/78:55 pm
STL
- MSY
Nonstop1h 50m
Southwest
Deal found 7/26![Southwest logo]()
$297
This Southwest deal was found by Cheapflights users on 7/27. 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.
Wed 8/196:10 pm
MSY
- STL
Nonstop1h 45m
Southwest
Sat 8/221:55 pm
STL
- MSY
Nonstop1h 45m
Southwest
Deal found 7/27![Southwest logo]()
$297
This Southwest deal was found by Cheapflights users on 7/23. 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.
Sun 9/65:05 pm
MSY
- STL
Nonstop1h 45m
Southwest
Mon 9/78:25 am
STL
- MSY
Nonstop1h 45m
Southwest
Deal found 7/23![Southwest logo]()
$302
This Southwest deal was found by Cheapflights users on 7/23. 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 9/115:35 pm
MSY
- STL
Nonstop1h 45m
Southwest
Mon 9/148:55 pm
STL
- MSY
Nonstop1h 50m
Southwest
Deal found 7/23![Southwest logo]()
$302
Last-minute flights from New Orleans to St. LouisDiscover last-minute flight deals from New Orleans to St. Louis. Data last updated July 28, 2026 and is based on user searches.
Discover last-minute flight deals from New Orleans to St. Louis. Data last updated July 28, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 8/135:02 pm
MSY
- STL
1 stop15h 55m
Frontier
Thu 8/206:17 pm
STL
- MSY
2 stops46h 39m
Frontier
Deal found 7/23![Frontier logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 8/207:11 pm
MSY
- STL
1 stop22h 11m
Frontier
Thu 8/276:17 pm
STL
- MSY
2 stops46h 39m
Frontier
Deal found 7/23![Frontier logo]()
$157
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 8/227:11 pm
MSY
- STL
1 stop22h 11m
Frontier
Tue 8/256:45 pm
STL
- MSY
2 stops23h 17m
Frontier
Deal found 7/23![Frontier logo]()
$178
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 8/245:41 pm
MSY
- STL
1 stop22h 50m
Frontier
Mon 8/316:17 pm
STL
- MSY
1 stop23h 45m
Frontier
Deal found 7/27![Frontier logo]()
$155
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 8/245:41 pm
MSY
- STL
1 stop22h 50m
Frontier
Fri 9/46:17 pm
STL
- MSY
1 stop23h 45m
Frontier
Deal found 7/27![Frontier logo]()
$161
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 8/267:11 pm
MSY
- STL
1 stop22h 11m
Frontier
Mon 8/316:17 pm
STL
- MSY
1 stop23h 45m
Frontier
Deal found 7/27![Frontier logo]()
$144
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 8/267:11 pm
MSY
- STL
1 stop22h 11m
Frontier
Fri 9/46:17 pm
STL
- MSY
1 stop23h 45m
Frontier
Deal found 7/27![Frontier logo]()
$149
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 8/277:11 pm
MSY
- STL
1 stop22h 11m
Frontier
Mon 8/316:17 pm
STL
- MSY
1 stop23h 45m
Frontier
Deal found 7/27![Frontier logo]()
$143
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 8/277:11 pm
MSY
- STL
1 stop22h 11m
Frontier
Fri 9/46:17 pm
STL
- MSY
1 stop23h 45m
Frontier
Deal found 7/27![Frontier logo]()
$148
One-way flights from New Orleans to St. LouisSearch for one-way flight options from New Orleans to St. Louis. Find affordable one-way fares based on user searches. Data last updated July 28, 2026.
Search for one-way flight options from New Orleans to St. Louis. Find affordable one-way fares based on user searches. Data last updated July 28, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 9/225:02 pm
MSY
- STL
1 stop16h 38m
Frontier
Deal found 7/23![Frontier logo]()
$47
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 9/215:02 pm
MSY
- STL
1 stop16h 38m
Frontier
Deal found 7/23![Frontier logo]()
$49
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 9/195:02 pm
MSY
- STL
1 stop16h 38m
Frontier
Deal found 7/23![Frontier logo]()
$54
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 10/205:02 pm
MSY
- STL
1 stop16h 38m
Frontier
Deal found 7/24![Frontier logo]()
$59
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 10/215:02 pm
MSY
- STL
1 stop16h 38m
Frontier
Deal found 7/24![Frontier logo]()
$63
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 8/207:11 pm
MSY
- STL
1 stop22h 11m
Frontier
Deal found 7/24![Frontier logo]()
$64
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 8/267:11 pm
MSY
- STL
1 stop22h 11m
Frontier
Deal found 7/24![Frontier logo]()
$73
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 8/277:11 pm
MSY
- STL
1 stop22h 11m
Frontier
Deal found 7/25![Frontier logo]()
$74
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 8/227:11 pm
MSY
- STL
1 stop22h 11m
Frontier
Deal found 7/24![Frontier logo]()
$75
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 July 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $121 (Kiwi.com) |
One-way from | $47 (Kiwi.com) |
Popular in | May |
Cheapest in | February |
Average price | $456 |
Good round-trip deal | $303 or less |
Good one-way deal | $208 or less |
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 July 28, 2026.
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
Cheapest round-trip
New OrleansSt. Louis
MSY - STL
MSYSTL
New Orleans Louis Armstrong
Sat 9/5
6:17 pm-4:11 pm
1 stop21h 54m
Lambert-St Louis
Mon 9/7
4:23 pm-5:32 pm
1 stop25h 09m
$250
Quickest round-trip
New OrleansSt. Louis
MSY - STL
MSYSTL
New Orleans Louis Armstrong
Wed 10/7
1:25 pm-3:10 pm
Nonstop1h 45m
Lambert-St Louis
Mon 10/12
9:50 pm-11:30 pm
Nonstop1h 40m
$297
New OrleansSt. Louis
MSY - STL
MSYSTL
New Orleans Louis Armstrong
Sat 8/22
7:35 am-9:20 am
Nonstop1h 45m
Lambert-St Louis
Tue 8/25
8:25 am-10:10 am
Nonstop1h 45m
$297
New OrleansSt. Louis
MSY - STL
MSYSTL
New Orleans Louis Armstrong
Sat 9/5
7:35 am-9:20 am
Nonstop1h 45m
Lambert-St Louis
Mon 9/7
8:55 pm-10:45 pm
Nonstop1h 50m
$297
New OrleansSt. Louis
MSY - STL
MSYSTL
New Orleans Louis Armstrong
Wed 8/19
6:10 pm-7:55 pm
Nonstop1h 45m
Lambert-St Louis
Sat 8/22
1:55 pm-3:40 pm
Nonstop1h 45m
$297
New OrleansSt. Louis
MSY - STL
MSYSTL
New Orleans Louis Armstrong
Sun 9/6
5:05 pm-6:50 pm
Nonstop1h 45m
Lambert-St Louis
Mon 9/7
8:25 am-10:10 am
Nonstop1h 45m
$302
New OrleansSt. Louis
MSY - STL
MSYSTL
New Orleans Louis Armstrong
Fri 9/11
5:35 pm-7:20 pm
Nonstop1h 45m
Lambert-St Louis
Mon 9/14
8:55 pm-10:45 pm
Nonstop1h 50m
$302
New OrleansSt. Louis
MSY - STL
MSYSTL
New Orleans Louis Armstrong
Wed 8/19
5:05 am-10:10 am
1 stop5h 05m
Lambert-St Louis
Sat 8/22
11:25 am-8:03 pm
2 stops8h 38m
$312
Cheapest one-way
Quickest one-way
New OrleansSt. Louis
MSY - STL
MSYSTL
New Orleans Louis Armstrong
Wed 8/26
6:10 pm-7:55 pm
Nonstop1h 45m
$149
New OrleansSt. Louis
MSY - STL
MSYSTL
New Orleans Louis Armstrong
Sat 9/26
7:35 am-9:20 am
Nonstop1h 45m
$149
Showing 1-10 of 20 resultsSorted by cheapest first
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 July.
| 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 |
- 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.
MSY-STL
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, February is the cheapest month in which you can book a flight from New Orleans to St. Louis (average of $301). Flying from New Orleans to St. Louis in May is currently the most expensive (average of $527). 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 July 28, 2026.
It’s optimal to fly from New Orleans to St. Louis at noon. By choosing this option you can save up to 19% on the cost of your flight, compared to a flight in the evening.
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 July 25, 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. Sunday afternoons 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
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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 July 28, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andAmerican Airlines 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.
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
8.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
8.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
8.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
8.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
8.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
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.
Traveling to a place near St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsEdwardsville
O'Fallon
Fenton
Swansea
Fairview Heights
Eureka
Maryland Heights
Collinsville
Wentzville
Glencoe
Chesterfield
Farmington
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New Orleans and St. Louis flights
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Top 4 airlines flying from New Orleans to St. Louis
Discover the top 4 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 July 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$72 | Average$168 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$143 | Average$301 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$306 | Average$389 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$311 | Average$478 | FlexibilityNo cancel fee | On-time71% |