Expect efficient security at MSY with average wait times around 15 minutes, thanks to a single checkpoint and lower passenger volumes.
$87+ 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 7/23. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — STL
Jun 17 — Jun 241
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.Cheapflights Tip: The best prices from New Orleans Louis Armstrong to Lambert-St Louis are usually found in July or August, booked 36 days in advance, depart on a Thursday or Friday and return on a Monday
Cheap 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 June 12, 2025.
Round-trip from | $161 (Mytrip) |
|---|---|
One-way from | $87 (Mytrip) |
Popular in | January |
Cheapest in | July |
Average price | $391 |
Good round-trip deal | $329 or less |
Good one-way deal | $209 or less |
Find flight deals from New Orleans to St. Louis
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 June 12, 2025.
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 June 12, 2025.
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/96:15 amMSY - STL
2 stops27h 37mSpirit Airlines
Wed 7/1611:24 amSTL - MSY
1 stop7h 51mSpirit Airlines
Deal found 6/11![Spirit Airlines logo]()
$161
This Southwest deal was found by Cheapflights users on 6/12. 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 8/128:50 amMSY - STL
Nonstop1h 50mSouthwest
Thu 8/147:50 pmSTL - MSY
Nonstop1h 40mSouthwest
Deal found 6/12![Southwest logo]()
$197
This Delta deal was found by Cheapflights users on 6/11. 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 8/185:03 pmMSY - STL
1 stop4h 24mDelta
Tue 8/267:00 amSTL - MSY
1 stop4h 34mDelta
Deal found 6/11![Delta logo]()
$241
This Mytrip deal was found by Cheapflights users on 6/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/178:00 pmMSY - STL
2 stops22h 41mMultiple Airlines
Sun 7/2010:47 amSTL - MSY
2 stops33h 48mMultiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$262
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Thu 8/286:19 amMSY - STL
1 stop5h 52mAmerican Airlines
Fri 8/294:32 pmSTL - MSY
1 stop7h 19mAmerican Airlines
Deal found 6/11![American Airlines logo]()
$265
This United Airlines deal was found by Cheapflights users on 6/11. 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 8/215:15 amMSY - STL
2 stops9h 18mUnited Airlines
Wed 8/276:15 amSTL - MSY
1 stop6h 55mUnited Airlines
Deal found 6/11![United Airlines logo]()
$292
This FlightHub deal was found by Cheapflights users on 6/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/126:01 pmMSY - STL
1 stop15h 11mFrontier
Sat 6/147:29 pmSTL - MSY
1 stop21h 37mFrontier
Deal found 6/11![Frontier logo]()
$405
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 June 12, 2025.
Use the filters below to find and compare flights from New Orleans to St. Louis that are best for you.
Fly from
New Orleans
Fly to
St. Louis
Route
Depart
Return
Price
New OrleansSt. Louis
MSY - STL
MSYSTL
New Orleans Louis Armstrong
Wed 7/9
6:15 am-9:52 am
2 stops27h 37m
Lambert-St Louis
Wed 7/16
11:24 am-7:15 pm
1 stop7h 51m
$161
New OrleansSt. Louis
MSY - STL
MSYSTL
New Orleans Louis Armstrong
Tue 8/12
8:50 am-10:40 am
Nonstop1h 50m
Lambert-St Louis
Thu 8/14
7:50 pm-9:30 pm
Nonstop1h 40m
$197
New OrleansSt. Louis
MSY - STL
MSYSTL
New Orleans Louis Armstrong
Mon 8/18
5:03 pm-11:14 pm
1 stop6h 11m
Lambert-St Louis
Thu 8/28
7:00 am-2:01 pm
1 stop7h 01m
$241
New OrleansSt. Louis
MSY - STL
MSYSTL
New Orleans Louis Armstrong
Thu 7/17
8:00 pm-6:41 pm
2 stops22h 41m
Lambert-St Louis
Sun 7/20
10:47 am-8:35 pm
2 stops33h 48m
$262
New OrleansSt. Louis
MSY - STL
MSYSTL
New Orleans Louis Armstrong
Thu 8/28
6:19 am-12:11 pm
1 stop5h 52m
Lambert-St Louis
Fri 8/29
4:32 pm-11:51 pm
1 stop7h 19m
$265
New OrleansSt. Louis
MSY - STL
MSYSTL
New Orleans Louis Armstrong
Thu 8/21
5:15 am-2:33 pm
2 stops9h 18m
Lambert-St Louis
Thu 8/28
11:05 am-5:45 pm
1 stop6h 40m
$292
New OrleansSt. Louis
MSY - STL
MSYSTL
New Orleans Louis Armstrong
Wed 7/23
6:15 am-9:52 am
2 stops27h 37m
$87
New OrleansSt. Louis
MSY - STL
MSYSTL
New Orleans Louis Armstrong
Wed 9/10
8:45 am-10:35 am
Nonstop1h 50m
$99
New OrleansSt. Louis
MSY - STL
MSYSTL
New Orleans Louis Armstrong
Wed 9/10
12:41 pm-6:27 pm
1 stop5h 46m
$108
New OrleansSt. Louis
MSY - STL
MSYSTL
New Orleans Louis Armstrong
Sat 8/16
12:39 pm-7:07 pm
1 stop6h 28m
$121
Showing 1-10 of 13 results
The best insider tips for New Orleans to St. Louis flights
Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your New Orleans to St. Louis trip
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.
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
How far ahead should I book a flight from New Orleans to St. Louis?
Use this chart to determine the optimal time to book a round-trip flight from New Orleans to St. Louis. Price data was last updated on June 9, 2025.
The price you pay for your flight from New Orleans to St. Louis may vary depending on when you book. For the best chance of a lower fare, look to book 36 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from New Orleans to St. Louis?
Currently, August is the cheapest month in which you can book a flight from New Orleans to St. Louis (average of $311). Flying from New Orleans to St. Louis in March is currently the most expensive (average of $356). 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 June 12, 2025.
It’s optimal to fly from New Orleans to St. Louis in the evening. By choosing this option you can save up to 31% on the cost of your flight, compared to a flight at noon.
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 June 8, 2025.
Travelers seeking maximum savings on their New Orleans to St. Louis flight should consider departing on Thursday mornings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Rainfall in St. Louis by month
Plan your trip to St. Louis by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.
Temperature in St. Louis by month
Plan your trip to St. Louis by taking into account the average temperature totals by month.
If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).
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 June 12, 2025.
See what other customers who have flown with Southwest, Delta and United Airlines from New Orleans to St. Louis have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.1
Boarding
8.2
Comfort
8.0
Overall
8.0
Entertainment
7.6
Crew
8.6
Reviews
1 / 20
8.0
ExcellentJohn,May 2025
PVD - BNA
Food
7.1
Boarding
8.2
Comfort
8.0
Overall
8.0
Entertainment
7.6
Crew
8.6
Reviews
1 / 20
8.0
ExcellentJohn,May 2025
PVD - BNA
Food
7.1
Boarding
8.2
Comfort
8.0
Overall
8.0
Entertainment
7.6
Crew
8.6
Reviews
1 / 20
8.0
ExcellentJohn,May 2025
PVD - BNA
Food
7.1
Boarding
8.2
Comfort
8.0
Overall
8.0
Entertainment
7.6
Crew
8.6
Reviews
1 / 20
8.0
ExcellentJohn,May 2025
PVD - BNA
Food
7.1
Boarding
8.2
Comfort
8.0
Overall
8.0
Entertainment
7.6
Crew
8.6
Reviews
1 / 20
8.0
ExcellentJohn,May 2025
PVD - BNA
Food
7.1
Boarding
8.2
Comfort
8.0
Overall
8.0
Entertainment
7.6
Crew
8.6
Reviews
1 / 20
8.0
ExcellentJohn,May 2025
PVD - BNA
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 New Orleans?
Book flights to New Orleans if you plan to visit one of these locationsO'Fallon
Maryland Heights
Fairview Heights
Collinsville
Eureka
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Farmington
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Alternative routes for New Orleans to St. Louis
See prices for flight routes from nearby airports that may be better suited for you.
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 June 12, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$178 | Average$295 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$188 | Average$302 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$216 | Average$249 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$296 | Average$413 | FlexibilityNo cancel fee | On-time63% |