187 € Cheap Flights from St Louis to New Orleans Louis Armstrong

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Flight deals from St Louis to New Orleans Louis Armstrong

Looking for a cheap last-minute deal or the best return flight from St Louis to New Orleans Louis Armstrong? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from St Louis to New Orleans Louis Armstrong

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like St Louis to New Orleans Louis Armstrong flights are currently cheapest in September.

Direct flights from St Louis to New Orleans Louis Armstrong

St Louis to New Orleans Louis Armstrong: Alternative routes

Compare routes from St Louis to New Orleans below. You may find an airport to fly into that's cheaper, faster, or easier than New Orleans Louis Armstrong.

St Louis to New Orleans: Flight information

The things to know before you go.
Cheapest flight found187 €
Cheapest month to flySeptember
Average flight time1 hr, 46 mins
Most popular airlineSouthwest Airlines
Average flights per week16

Finding cheap flights from St Louis to New Orleans Louis Armstrong: Frequently asked questions

The best price we found for a return flight from St Louis to New Orleans Louis Armstrong is 187 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
1 hour and 46 minutes is the average flight time from St Louis to New Orleans Louis Armstrong.
Southwest Airlines flies direct from St Louis to New Orleans Louis Armstrong.
As of July 2025, there are 16 flights per week flying from St Louis to New Orleans Louis Armstrong.
The cheapest month to fly from St Louis to New Orleans Louis Armstrong is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from St Louis Airport to New Orleans Louis Armstrong Airport on Thursday, 4 September 2025.
Yes – the average flight time is 1 hour and 46 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to New Orleans Louis Armstrong but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to New Orleans is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Southwest Airlines offers the cheapest flight tickets to New Orleans Louis Armstrong.

Travelling from Lambert-St. Louis International Airport (STL) to Louis Armstrong New Orleans International Airport (MSY): what you need to know

  • Around 1 hour 45 minutes is how long you can expect to be in the air on a direct flight from Lambert-St. Louis International Airport to Louis Armstrong New Orleans International Airport.

  • St Louis and New Orleans follow the same timezone, UTC-5.

  • Each week, there are ten Lambert-St. Louis International Airport to Louis Armstrong New Orleans International Airport flights. To get going early, go for the 07:40 Southwest Airlines flight. If you'd rather make the most of your time before you fly, the last flight is at 22:40 with Southwest Airlines.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are tried-and-true travel tips. Be at the airport on time to board your STL to MSY flight.

  • Be prepared for bigger queues during popular months such as July. Arriving up to four hours ahead of international flights and two hours for a domestic departure will help ensure a smooth travel experience.

  • Jetting into New Orleans (and then seeing more of United States!) is a breeze with Southwest Airlines. This popular carrier has direct flights from Lambert-St. Louis International Airport to Louis Armstrong New Orleans International Airport.

  • Most passengers choose to travel with Southwest Airlines on this route.

  • Southwest Airlines is the most punctual carrier that offers STL to MSY flights. A dependable 85.59% of its services on this route land on time.

  • We make it a breeze to book a flight with a stopover. To see your options for tickets from Lambert-St. Louis International Airport to Louis Armstrong New Orleans International Airport, deselect 'Direct flights only.' Then, pick a flight offering a stop long enough to visit your chosen city. Some great stopovers between STL and MSY include:

    • Nashville International Airport

    • Hartsfield-Jackson Atlanta International Airport

    • Dallas Love Field Airport

How to find the cheapest flights from Lambert-St. Louis International Airport (STL) to Louis Armstrong New Orleans International Airport (MSY)

  • Currently, 77 € is the lowest price we've seen for a one-way Lambert-St. Louis International Airport to Louis Armstrong New Orleans International Airport flight. The best price for a return ticket is 187 €. Keep in mind that fares can change due to demand at the time of booking.

  • Get cheap tickets from STL to MSY by booking six months ahead. Based on our research, that's the sweet spot for finding the biggest deals.

  • Schedule your trip for May. That's the cheapest month for flights from Lambert-St. Louis International Airport to Louis Armstrong New Orleans International Airport. If your travel dates are flexible, try out the 'Whole month' tool to find the cheapest price across each month.

  • You won't have to check every day to find out if fares have gone down when you create a Price Alert. We'll update you the moment the price changes on cheap flights from STL to MSY.

  • Tailor your trip with filters. Pick your departure and arrival times, airlines and total journey duration. You can also sort the results by 'Fastest,' 'Cheapest' or 'Best' flights from Lambert-St. Louis International Airport to Louis Armstrong New Orleans International Airport.

Handy information about Lambert-St. Louis International Airport (STL)

Arriving at Louis Armstrong New Orleans International Airport (MSY)

Getting from Louis Armstrong New Orleans International Airport (MSY) to central New Orleans

  • The street address for MSY is 900 Airline Highway.

  • From Louis Armstrong New Orleans International Airport, New Orleans is approximately 24 kilometres away. It takes around 20 minutes to reach the centre driving.

  • If you're using public transport, expect a journey of around 50 minutes.

When to fly to Louis Armstrong New Orleans International Airport (MSY)

  • The quietest month for a flight from Lambert-St. Louis International Airport to Louis Armstrong New Orleans International Airport is May, while October is the most popular. Pick the ideal time to visit New Orleans based on whether you prefer a faster pace or a more relaxed vibe.

  • The warmest month in New Orleans is August, with temperatures ranging between 25ºC (77ºF) and 36ºC (97ºF). Book your flights from Lambert-St. Louis International Airport to Louis Armstrong New Orleans International Airport in this month if this is the kind of weather you like.

  • Search for cheap tickets from STL to MSY in January if you like cooler conditions. Temperatures are at their lowest then, ranging between 4ºC (39ºF) and 18ºC (64ºF) on average.

Explore more of United States

  • You've done New Orleans, now it's time to discover more of United States. Travel about 121 kilometres north-west to Baton Rouge to tick off its leading sights. From Louisiana State Capitol to Louisiana's Old State Capitol and Shaw Centre for the Arts, there's plenty to keep you on the go.

  • Around 451 kilometres north-east of New Orleans, Montgomery is another essential stop in United States. Experience this destination's highlights firsthand at Civil Rights Memorial, Rosa Parks Museum and Dexter Avenue King Memorial Baptist Church.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.