Cheap Flights from St. Louis (STL) to New Orleans (MSY)

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Louis Armstrong New Orleans Intl. Airport (MSY)

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 45% on select hotels after you book a flight*
  • payments icon
    Earn twice
    Earn your airline miles on top of our rewards
    Sign in

Frequently asked questions

How much is a flight from Lambert Field to Louis Armstrong New Orleans Intl. Airport?
Start packing your bags, because round-trip flights from St. Louis Lambert International Airport to Louis Armstrong New Orleans Intl. Airport (MSY) start from . That’s based on fares listed within the last 7 days on Expedia for flights departing within the next year. Prices can go up quickly, so book now to secure the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from St. Louis Lambert International Airport to Louis Armstrong New Orleans Intl. Airport?
Most flights can be canceled online, but every air carrier has different terms and conditions. If you do need to cancel your flight, go to our Customer Service Portal and follow the instructions.
How do I find cheap flights from Lambert-St. Louis Intl. Airport (STL) to Louis Armstrong New Orleans Intl. Airport (MSY) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for Lambert Field to Louis Armstrong New Orleans Intl. Airport (MSY) flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from Lambert-St. Louis Intl. Airport (STL) to Louis Armstrong New Orleans Intl. Airport (MSY)?
The flight distance from Lambert-St. Louis Intl. Airport (STL) (STL) to MSY (MSY) is just 970 kilometers. You’ll be disembarking the plane and grabbing your suitcase from the carousel in no time.
Which airlines fly direct from St. Louis Lambert International Airport to Louis Armstrong New Orleans Intl. Airport (MSY)?
Operating 60 flights each month, Southwest Airlines (WN) is a top choice when flying directly from Lambert-St. Louis Intl. Airport (STL) to Louis Armstrong New Orleans Intl. Airport.
Are St. Louis Lambert International Airport to Louis Armstrong New Orleans Intl. Airport flight tickets cheaper when they're purchased at the last minute?
Flight prices change all the time, so not always. While last-minute deals between Lambert-St. Louis Intl. Airport (STL) and Louis Armstrong New Orleans Intl. Airport are possible, it also makes sense to monitor prices well before you fly. In fact, some carriers advertise their prices up to 12 months prior to the departure date. Expedia is constantly updating the biggest bargains around, so keep checking back and be ready to grab your seat when fare prices drop.
*Available to Expedia members.