$74+ 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 4/24. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — STL
Mar 31 — Apr 71
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
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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 March 1, 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 March 1, 2026.
This CheapOair deal was found by Cheapflights users on 2/26. 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.
Thu 4/239:44 pm
MSY
- STL
1 stop25h 35m
Frontier
Sun 4/264:59 pm
STL
- MSY
1 stop17h 42m
Frontier
Deal found 2/26![Frontier logo]()
$171
This CheapOair deal was found by Cheapflights users on 2/26. 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.
Thu 4/93:24 pm
MSY
- STL
1 stop18h 24m
Frontier
Sun 4/124:59 pm
STL
- MSY
1 stop14h 47m
Frontier
Deal found 2/26![Frontier logo]()
$192
This Expedia deal was found by Cheapflights users on 2/26. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/269:12 pm
MSY
- STL
1 stop9h 50m
Frontier
Thu 4/24:54 pm
STL
- MSY
1 stop14h 52m
Frontier
Deal found 2/26![Frontier logo]()
$224
This Frontier deal was found by Cheapflights users on 2/25. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/279:30 pm
MSY
- STL
1 stop9h 37m
Frontier
Sun 3/297:52 am
STL
- MSY
1 stop10h 13m
Frontier
Deal found 2/25![Frontier logo]()
$230
This CheapOair deal was found by Cheapflights users on 2/27. 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.
Fri 4/33:36 pm
MSY
- STL
1 stop18h 12m
Frontier
Sun 4/54:59 pm
STL
- MSY
1 stop14h 47m
Frontier
Deal found 2/27![Frontier logo]()
$241
This American Airlines deal was found by Cheapflights users on 2/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/77:12 am
MSY
- STL
1 stop9h 29m
American Airlines
Fri 4/1012:27 pm
STL
- MSY
1 stop8h 34m
American Airlines
Deal found 2/26![American Airlines logo]()
$245
This American Airlines deal was found by Cheapflights users on 2/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/117:15 am
MSY
- STL
1 stop9h 26m
American Airlines
Mon 4/1312:27 pm
STL
- MSY
1 stop8h 34m
American Airlines
Deal found 2/26![American Airlines logo]()
$249
This Southwest deal was found by Cheapflights users on 2/26. 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.
Tue 4/77:40 am
MSY
- STL
Nonstop1h 50m
Southwest
Fri 4/107:50 pm
STL
- MSY
1 stop3h 45m
Southwest
Deal found 2/26![Southwest logo]()
$288
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 March 1, 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 March 1, 2026.
This Delta deal was found by Cheapflights users on 2/28. 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.
Fri 4/35:40 pm
MSY
- STL
1 stop6h 18m
Delta
Mon 4/66:29 am
STL
- MSY
1 stop5h 12m
Delta
Deal found 2/28![Delta logo]()
$330
This Southwest deal was found by Cheapflights users on 2/27. 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.
Fri 4/34:05 pm
MSY
- STL
1 stop6h 05m
Southwest
Mon 4/69:40 pm
STL
- MSY
Nonstop1h 50m
Southwest
Deal found 2/27![Southwest logo]()
$331
This United Airlines deal was found by Cheapflights users on 2/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/55:00 am
MSY
- STL
1 stop4h 21m
United Airlines
Sun 3/87:41 am
STL
- MSY
2 stops8h 27m
United Airlines
Deal found 2/25![United Airlines logo]()
$344
This American Airlines deal was found by Cheapflights users on 2/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/235:30 am
MSY
- STL
1 stop5h 29m
American Airlines
Tue 3/245:51 pm
STL
- MSY
1 stop5h 05m
American Airlines
Deal found 2/25![American Airlines logo]()
$357
This Southwest deal was found by Cheapflights users on 2/27. 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 5/196:45 am
MSY
- STL
2 stops6h 05m
Southwest
Wed 5/203:40 pm
STL
- MSY
1 stop6h 40m
Southwest
Deal found 2/27![Southwest logo]()
$336
This United Airlines deal was found by Cheapflights users on 2/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/115:00 am
MSY
- STL
2 stops7h 22m
United Airlines
Sun 4/126:00 am
STL
- MSY
1 stop7h 12m
United Airlines
Deal found 2/25![United Airlines logo]()
$390
This Southwest deal was found by Cheapflights users on 2/25. 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.
Sat 3/286:20 am
MSY
- STL
Nonstop1h 50m
Southwest
Sun 3/299:35 pm
STL
- MSY
Nonstop1h 50m
Southwest
Deal found 2/25![Southwest logo]()
$366
This United Airlines deal was found by Cheapflights users on 2/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/235:25 pm
MSY
- STL
1 stop5h 03m
United Airlines
Sun 4/267:45 am
STL
- MSY
2 stops11h 59m
United Airlines
Deal found 2/26![United Airlines logo]()
$390
This American Airlines deal was found by Cheapflights users on 2/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/67:00 am
MSY
- STL
1 stop5h 43m
American Airlines
Sun 3/155:12 am
STL
- MSY
1 stop4h 45m
American Airlines
Deal found 2/25![American Airlines logo]()
$433
This Southwest deal was found by Cheapflights users on 2/27. 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.
Fri 4/37:05 am
MSY
- STL
Nonstop1h 50m
Southwest
Sun 4/58:30 am
STL
- MSY
Nonstop1h 50m
Southwest
Deal found 2/27![Southwest logo]()
$374
This United Airlines deal was found by Cheapflights users on 2/27. 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.
Fri 4/35:00 am
MSY
- STL
2 stops7h 22m
United Airlines
Sun 4/57:45 am
STL
- MSY
2 stops8h 27m
United Airlines
Deal found 2/27![United Airlines logo]()
$467
Last-minute flights from New Orleans to St. LouisDiscover last-minute flight deals from New Orleans to St. Louis. Data last updated March 1, 2026 and is based on user searches.
Discover last-minute flight deals from New Orleans to St. Louis. Data last updated March 1, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 2/25. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/52:34 pm
MSY
- STL
1 stop19h 15m
Frontier
Sun 3/87:52 am
STL
- MSY
1 stop10h 13m
Frontier
Deal found 2/25![Frontier logo]()
$311
This CheapOair deal was found by Cheapflights users on 2/27. 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.
Thu 3/52:34 pm
MSY
- STL
1 stop19h 15m
Frontier
Sat 3/78:12 pm
STL
- MSY
1 stop17h 29m
Frontier
Deal found 2/27![Frontier logo]()
$321
This CheapOair deal was found by Cheapflights users on 2/26. 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.
Sun 3/89:21 pm
MSY
- STL
1 stop9h 41m
Frontier
Sat 3/148:12 pm
STL
- MSY
1 stop18h 29m
Frontier
Deal found 2/26![Frontier logo]()
$326
This Trip.com deal was found by Cheapflights users on 3/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/169:30 pm
MSY
- STL
1 stop25h 49m
Frontier
Fri 3/208:12 pm
STL
- MSY
1 stop18h 29m
Frontier
Deal found 3/1![Frontier logo]()
$308
This Expedia deal was found by Cheapflights users on 2/26. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/269:12 pm
MSY
- STL
1 stop9h 50m
Frontier
Thu 4/24:54 pm
STL
- MSY
1 stop14h 52m
Frontier
Deal found 2/26![Frontier logo]()
$224
This Southwest deal was found by Cheapflights users on 2/26. 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.
Thu 3/267:05 am
MSY
- STL
Nonstop1h 50m
Southwest
Thu 4/29:40 pm
STL
- MSY
Nonstop1h 50m
Southwest
Deal found 2/26![Southwest logo]()
$317
This Kiwi.com deal was found by Cheapflights users on 2/26. 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 3/263:36 pm
MSY
- STL
1 stop18h 13m
Multiple Airlines
Thu 4/26:29 pm
STL
- MSY
2 stops23h 54m
Multiple Airlines
Deal found 2/26![Multiple Airlines logo]()
$318
This Frontier deal was found by Cheapflights users on 2/25. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/279:30 pm
MSY
- STL
1 stop9h 37m
Frontier
Sun 3/297:52 am
STL
- MSY
1 stop10h 13m
Frontier
Deal found 2/25![Frontier logo]()
$230
This American Airlines deal was found by Cheapflights users on 2/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/285:30 am
MSY
- STL
1 stop5h 29m
American Airlines
Sun 3/297:00 am
STL
- MSY
1 stop7h 12m
American Airlines
Deal found 2/25![American Airlines logo]()
$333
This Southwest deal was found by Cheapflights users on 2/25. 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.
Sat 3/283:25 pm
MSY
- STL
Nonstop1h 50m
Southwest
Sun 3/294:20 pm
STL
- MSY
1 stop5h 50m
Southwest
Deal found 2/25![Southwest logo]()
$334
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 March 1, 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 March 1, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/27. 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 4/243:39 pm
MSY
- STL
1 stop27h 53m
Frontier
Deal found 2/27![Frontier logo]()
$74
This CheapOair deal was found by Cheapflights users on 2/26. 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.
Mon 5/49:04 pm
MSY
- STL
1 stop26h 15m
Frontier
Deal found 2/26![Frontier logo]()
$92
This Kiwi.com deal was found by Cheapflights users on 2/25. 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 3/2311:46 am
MSY
- STL
1 stop22h 46m
Frontier
Deal found 2/25![Frontier logo]()
$100
This Kiwi.com deal was found by Cheapflights users on 2/27. 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 3/256:00 am
MSY
- STL
2 stops28h 31m
Multiple Airlines
Deal found 2/27![Multiple Airlines logo]()
$112
This CheapOair deal was found by Cheapflights users on 2/25. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/209:04 pm
MSY
- STL
1 stop26h 15m
Frontier
Deal found 2/25![Frontier logo]()
$113
This Frontier deal was found by Cheapflights users on 2/25. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/269:12 pm
MSY
- STL
1 stop9h 50m
Frontier
Deal found 2/25![Frontier logo]()
$115
This Kiwi.com deal was found by Cheapflights users on 2/28. 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 4/293:39 pm
MSY
- STL
2 stops18h 47m
Multiple Airlines
Deal found 2/28![Multiple Airlines logo]()
$117
This Frontier deal was found by Cheapflights users on 2/25. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/279:30 pm
MSY
- STL
1 stop9h 37m
Frontier
Deal found 2/25![Frontier logo]()
$121
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 March 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $171 (CheapOair) |
One-way from | $74 (Kiwi.com) |
Popular in | September |
Cheapest in | March |
Average price | $358 |
Good round-trip deal | $311 or less |
Good one-way deal | $253 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 March 1, 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
New OrleansSt. Louis
MSY - STL
MSYSTL
New Orleans Louis Armstrong
Fri 4/3
5:40 pm-11:58 pm
1 stop6h 18m
Lambert-St Louis
Mon 4/6
6:29 am-11:41 am
1 stop5h 12m
$330
New OrleansSt. Louis
MSY - STL
MSYSTL
New Orleans Louis Armstrong
Fri 4/3
4:05 pm-10:10 pm
1 stop6h 05m
Lambert-St Louis
Mon 4/6
9:40 pm-11:30 pm
Nonstop1h 50m
$331
New OrleansSt. Louis
MSY - STL
MSYSTL
New Orleans Louis Armstrong
Tue 5/19
6:45 am-12:50 pm
2 stops6h 05m
Lambert-St Louis
Wed 5/20
3:40 pm-10:20 pm
1 stop6h 40m
$336
New OrleansSt. Louis
MSY - STL
MSYSTL
New Orleans Louis Armstrong
Thu 3/5
5:00 am-9:21 am
1 stop4h 21m
Lambert-St Louis
Sun 3/8
7:41 am-4:08 pm
2 stops8h 27m
$344
New OrleansSt. Louis
MSY - STL
MSYSTL
New Orleans Louis Armstrong
Mon 3/23
5:30 am-10:59 am
1 stop5h 29m
Lambert-St Louis
Tue 3/24
5:51 pm-10:56 pm
1 stop5h 05m
$357
New OrleansSt. Louis
MSY - STL
MSYSTL
New Orleans Louis Armstrong
Sat 3/28
6:20 am-8:10 am
Nonstop1h 50m
Lambert-St Louis
Sun 3/29
9:35 pm-11:25 pm
Nonstop1h 50m
$366
New OrleansSt. Louis
MSY - STL
MSYSTL
New Orleans Louis Armstrong
Fri 4/3
7:05 am-8:55 am
Nonstop1h 50m
Lambert-St Louis
Sun 4/5
8:30 am-10:20 am
Nonstop1h 50m
$374
New OrleansSt. Louis
MSY - STL
MSYSTL
New Orleans Louis Armstrong
Sat 4/11
5:00 am-12:22 pm
2 stops7h 22m
Lambert-St Louis
Sun 4/12
6:00 am-1:12 pm
1 stop7h 12m
$390
New OrleansSt. Louis
MSY - STL
MSYSTL
New Orleans Louis Armstrong
Thu 4/23
5:25 pm-10:28 pm
1 stop5h 03m
Lambert-St Louis
Sun 4/26
7:45 am-7:44 pm
2 stops11h 59m
$390
New OrleansSt. Louis
MSY - STL
MSYSTL
New Orleans Louis Armstrong
Fri 3/6
7:00 am-12:43 pm
1 stop5h 43m
Lambert-St Louis
Sun 3/15
5:12 am-9:57 am
1 stop4h 45m
$433
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 March.
| 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, December is the cheapest month in which you can book a flight from New Orleans to St. Louis (average of $75). Flying from New Orleans to St. Louis in August is currently the most expensive (average of $271). 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 March 1, 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 February 21, 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 March 1, 2026.
Get a feel of what it's like to fly with Southwest, Delta, and American 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.
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
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
Swansea
Fairview Heights
Fenton
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 March 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$72 | Average$168 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$143 | Average$296 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$270 | Average$392 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$311 | Average$482 | FlexibilityNo cancel fee | On-time71% |