$129+ 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 8/22. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — STL
Jun 28 — Jul 51
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
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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 May 29, 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 May 29, 2026.
This Priceline deal was found by Cheapflights users on 5/24. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/73:44 pm
MSY
- STL
1 stop8h 30m
Frontier
Mon 9/1410:35 am
STL
- MSY
1 stop5h 34m
Frontier
Deal found 5/24![Frontier logo]()
$267
This CheapOair deal was found by Cheapflights users on 5/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/191:00 pm
MSY
- STL
1 stop11h 14m
Frontier
Sat 8/228:08 pm
STL
- MSY
1 stop24h 55m
Frontier
Deal found 5/26![Frontier logo]()
$268
This CheapOair deal was found by Cheapflights users on 5/27. 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.
Tue 7/2112:36 pm
MSY
- STL
1 stop11h 23m
Frontier
Thu 7/234:09 pm
STL
- MSY
1 stop23h 41m
Frontier
Deal found 5/27![Frontier logo]()
$273
This Priceline deal was found by Cheapflights users on 5/27. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/191:22 pm
MSY
- STL
1 stop11h 55m
Frontier
Mon 10/2610:35 am
STL
- MSY
1 stop5h 32m
Frontier
Deal found 5/27![Frontier logo]()
$284
This Delta deal was found by Cheapflights users on 5/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/176:23 am
MSY
- STL
1 stop6h 11m
Delta
Wed 6/247:12 pm
STL
- MSY
1 stop4h 37m
Delta
Deal found 5/24![Delta logo]()
$287
This Southwest deal was found by Cheapflights users on 5/26. 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 8/196:10 pm
MSY
- STL
Nonstop1h 45m
Southwest
Sat 8/221:55 pm
STL
- MSY
Nonstop1h 45m
Southwest
Deal found 5/26![Southwest logo]()
$290
This Southwest deal was found by Cheapflights users on 5/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/127:45 am
MSY
- STL
Nonstop1h 45m
Southwest
Thu 10/154:20 pm
STL
- MSY
Nonstop1h 45m
Southwest
Deal found 5/28![Southwest logo]()
$303
This Southwest deal was found by Cheapflights users on 5/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/75:20 am
MSY
- STL
1 stop4h 00m
Southwest
Mon 9/148:55 pm
STL
- MSY
Nonstop1h 45m
Southwest
Deal found 5/24![Southwest logo]()
$313
This Southwest deal was found by Cheapflights users on 5/27. 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 7/217:45 am
MSY
- STL
Nonstop1h 50m
Southwest
Thu 7/233:30 pm
STL
- MSY
1 stop5h 20m
Southwest
Deal found 5/27![Southwest logo]()
$316
This Kiwi.com deal was found by Cheapflights users on 5/25. 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.
Fri 8/145:12 pm
MSY
- STL
1 stop15h 45m
Frontier
Mon 8/174:57 pm
STL
- MSY
1 stop23h 29m
Frontier
Deal found 5/25![Frontier logo]()
$317
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 May 29, 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 May 29, 2026.
This Southwest deal was found by Cheapflights users on 5/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/217:45 am
MSY
- STL
Nonstop1h 50m
Southwest
Thu 7/239:50 pm
STL
- MSY
Nonstop1h 50m
Southwest
Deal found 5/25![Southwest logo]()
$367
This United Airlines deal was found by Cheapflights users on 5/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/152:05 pm
MSY
- STL
1 stop7h 55m
United Airlines
Wed 8/1911:15 am
STL
- MSY
1 stop4h 58m
United Airlines
Deal found 5/28![United Airlines logo]()
$375
This Southwest deal was found by Cheapflights users on 5/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1411:25 am
MSY
- STL
1 stop6h 40m
Southwest
Mon 8/178:55 pm
STL
- MSY
Nonstop1h 45m
Southwest
Deal found 5/25![Southwest logo]()
$380
This United Airlines deal was found by Cheapflights users on 5/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/82:21 pm
MSY
- STL
2 stops9h 23m
United Airlines
Fri 7/101:13 pm
STL
- MSY
2 stops10h 13m
United Airlines
Deal found 5/28![United Airlines logo]()
$468
This Southwest deal was found by Cheapflights users on 5/26. 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.
Fri 6/197:25 am
MSY
- STL
Nonstop1h 50m
Southwest
Sun 6/216:00 am
STL
- MSY
1 stop4h 15m
Southwest
Deal found 5/26![Southwest logo]()
$457
This Southwest deal was found by Cheapflights users on 5/26. 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.
Fri 6/267:10 pm
MSY
- STL
Nonstop1h 50m
Southwest
Mon 6/2910:00 am
STL
- MSY
1 stop5h 20m
Southwest
Deal found 5/26![Southwest logo]()
$457
This Southwest deal was found by Cheapflights users on 5/26. 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.
Fri 7/107:25 am
MSY
- STL
Nonstop1h 50m
Southwest
Fri 7/179:50 pm
STL
- MSY
Nonstop1h 50m
Southwest
Deal found 5/26![Southwest logo]()
$457
This Southwest deal was found by Cheapflights users on 5/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/186:10 am
MSY
- STL
1 stop5h 30m
Southwest
Thu 6/189:50 pm
STL
- MSY
Nonstop1h 45m
Southwest
Deal found 5/28![Southwest logo]()
$457
Last-minute flights from New Orleans to St. LouisDiscover last-minute flight deals from New Orleans to St. Louis. Data last updated May 29, 2026 and is based on user searches.
Discover last-minute flight deals from New Orleans to St. Louis. Data last updated May 29, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 5/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/176:23 am
MSY
- STL
1 stop6h 11m
Delta
Wed 6/247:12 pm
STL
- MSY
1 stop4h 37m
Delta
Deal found 5/24![Delta logo]()
$287
This United Airlines deal was found by Cheapflights users on 5/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/175:15 am
MSY
- STL
1 stop4h 52m
United Airlines
Wed 6/246:00 am
STL
- MSY
2 stops10h 27m
United Airlines
Deal found 5/24![United Airlines logo]()
$377
This Frontier deal was found by Cheapflights users on 5/27. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/183:44 pm
MSY
- STL
1 stop8h 05m
Frontier
Sun 6/217:38 pm
STL
- MSY
1 stop25h 25m
Frontier
Deal found 5/27![Frontier logo]()
$319
This CheapOair deal was found by Cheapflights users on 5/28. 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.
Thu 6/183:44 pm
MSY
- STL
1 stop8h 05m
Frontier
Fri 6/194:17 pm
STL
- MSY
1 stop22h 32m
Frontier
Deal found 5/28![Frontier logo]()
$328
This Southwest deal was found by Cheapflights users on 5/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/196:10 am
MSY
- STL
1 stop5h 30m
Southwest
Tue 6/235:35 pm
STL
- MSY
1 stop5h 05m
Southwest
Deal found 5/25![Southwest logo]()
$367
This Kiwi.com deal was found by Cheapflights users on 5/25. 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.
Mon 6/225:21 pm
MSY
- STL
1 stop24h 09m
Frontier
Mon 6/295:06 pm
STL
- MSY
1 stop23h 20m
Frontier
Deal found 5/25![Frontier logo]()
$316
This Delta deal was found by Cheapflights users on 5/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/255:07 pm
MSY
- STL
1 stop5h 10m
Delta
Mon 6/296:00 am
STL
- MSY
1 stop5h 42m
Delta
Deal found 5/26![Delta logo]()
$355
This CheapOair deal was found by Cheapflights users on 5/28. 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 6/269:48 pm
MSY
- STL
1 stop21h 05m
Frontier
Sun 6/284:17 pm
STL
- MSY
1 stop22h 32m
Frontier
Deal found 5/28![Frontier logo]()
$378
This Kiwi.com deal was found by Cheapflights users on 5/26. 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.
Fri 6/265:21 pm
MSY
- STL
1 stop15h 31m
Frontier
Mon 6/295:06 pm
STL
- MSY
1 stop23h 20m
Frontier
Deal found 5/26![Frontier logo]()
$380
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 May 29, 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 May 29, 2026.
This Frontier deal was found by Cheapflights users on 5/28. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/223:44 pm
MSY
- STL
1 stop8h 30m
Frontier
Deal found 5/28![Frontier logo]()
$129
This Frontier deal was found by Cheapflights users on 5/28. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/223:44 pm
MSY
- STL
1 stop8h 05m
Frontier
Deal found 5/28![Frontier logo]()
$134
This Frontier deal was found by Cheapflights users on 5/28. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2112:36 pm
MSY
- STL
1 stop11h 23m
Frontier
Deal found 5/28![Frontier logo]()
$135
This Priceline deal was found by Cheapflights users on 5/24. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/121:00 pm
MSY
- STL
1 stop6h 39m
Frontier
Deal found 5/24![Frontier logo]()
$138
This Southwest deal was found by Cheapflights users on 5/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/166:45 pm
MSY
- STL
Nonstop1h 45m
Southwest
Deal found 5/25![Southwest logo]()
$139
This Kiwi.com deal was found by Cheapflights users on 5/24. 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 11/174:58 pm
MSY
- STL
1 stop16h 42m
Frontier
Deal found 5/24![Frontier logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 5/28. 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.
Wed 7/222:14 pm
MSY
- STL
1 stop24h 42m
Frontier
Deal found 5/28![Frontier logo]()
$141
This Delta deal was found by Cheapflights users on 5/28. 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 6/237:17 pm
MSY
- STL
1 stop4h 39m
Delta
Deal found 5/28![Delta logo]()
$144
This Southwest deal was found by Cheapflights users on 5/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/127:45 am
MSY
- STL
Nonstop1h 45m
Southwest
Deal found 5/24![Southwest logo]()
$152
This Southwest deal was found by Cheapflights users on 5/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2210:20 am
MSY
- STL
2 stops6h 05m
Southwest
Deal found 5/28![Southwest logo]()
$154
This Priceline deal was found by Cheapflights users on 5/24. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/204:45 pm
MSY
- STL
1 stop7h 14m
Frontier
Deal found 5/24![Frontier logo]()
$160
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 May 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $267 (Priceline) |
One-way from | $129 (Frontier) |
Popular in | May |
Cheapest in | February |
Average price | $527 |
Good round-trip deal | $367 or less |
Good one-way deal | $239 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 May 29, 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
Quickest round-trip
New OrleansSt. Louis
MSY - STL
MSYSTL
New Orleans Louis Armstrong
Tue 7/21
7:45 am-9:35 am
Nonstop1h 50m
Lambert-St Louis
Thu 7/23
9:50 pm-11:40 pm
Nonstop1h 50m
$367
New OrleansSt. Louis
MSY - STL
MSYSTL
New Orleans Louis Armstrong
Sat 8/15
2:05 pm-10:00 pm
1 stop7h 55m
Lambert-St Louis
Wed 8/19
11:15 am-4:13 pm
1 stop4h 58m
$375
New OrleansSt. Louis
MSY - STL
MSYSTL
New Orleans Louis Armstrong
Fri 8/14
11:25 am-6:05 pm
1 stop6h 40m
Lambert-St Louis
Mon 8/17
8:55 pm-10:40 pm
Nonstop1h 45m
$380
New OrleansSt. Louis
MSY - STL
MSYSTL
New Orleans Louis Armstrong
Fri 6/19
7:25 am-9:15 am
Nonstop1h 50m
Lambert-St Louis
Sun 6/21
6:00 am-10:15 am
1 stop4h 15m
$457
New OrleansSt. Louis
MSY - STL
MSYSTL
New Orleans Louis Armstrong
Fri 6/26
7:10 pm-9:00 pm
Nonstop1h 50m
Lambert-St Louis
Mon 6/29
10:00 am-3:20 pm
1 stop5h 20m
$457
New OrleansSt. Louis
MSY - STL
MSYSTL
New Orleans Louis Armstrong
Fri 7/10
7:25 am-9:15 am
Nonstop1h 50m
Lambert-St Louis
Fri 7/17
9:50 pm-11:40 pm
Nonstop1h 50m
$457
New OrleansSt. Louis
MSY - STL
MSYSTL
New Orleans Louis Armstrong
Thu 6/18
6:10 am-11:40 am
1 stop5h 30m
Lambert-St Louis
Thu 6/18
9:50 pm-11:35 pm
Nonstop1h 45m
$457
New OrleansSt. Louis
MSY - STL
MSYSTL
New Orleans Louis Armstrong
Wed 7/8
2:21 pm-11:44 pm
2 stops9h 23m
Lambert-St Louis
Fri 7/10
1:13 pm-11:26 pm
2 stops10h 13m
$468
Cheapest one-way
New OrleansSt. Louis
MSY - STL
MSYSTL
New Orleans Louis Armstrong
Mon 6/22
3:44 pm-11:49 pm
1 stop8h 05m
$134
Quickest one-way
New OrleansSt. Louis
MSY - STL
MSYSTL
New Orleans Louis Armstrong
Tue 6/30
6:45 pm-8:30 pm
Nonstop1h 45m
$139
Showing 1-10 of 17 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 May.
| 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 Accuracy1 star | Trust Score*3 stars |
- 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 May 29, 2026.
It’s optimal to fly from New Orleans to St. Louis at noon. By choosing this option you can save up to 4% on the cost of your flight, compared to a flight in the afternoon.
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 May 23, 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 May 29, 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.
Crew
8.6
Overall
8.0
Comfort
8.0
Food
7.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Overall
8.0
Comfort
8.0
Food
7.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Overall
8.0
Comfort
8.0
Food
7.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Overall
8.0
Comfort
8.0
Food
7.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Overall
8.0
Comfort
8.0
Food
7.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
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
Maryland Heights
Collinsville
Eureka
Wentzville
Glencoe
Chesterfield
Alton
Farmington
Festus
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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 May 29, 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% |