Southwest® flights from St. Louis to New Orleans from $159

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Low fares from St. Louis to New Orleans

$

St. Louis (STL)to

New Orleans (MSY)
Depart: 10/14/2026

One-way

Basic

From
$159
Seen: 3 hrs ago

St. Louis (STL)to

New Orleans (MSY)
Depart: 10/19/2026

One-way

Basic

From
$159
Seen: 1 hour ago

St. Louis (STL)to

New Orleans (MSY)
Depart: 09/17/2026

One-way

Basic

From
$159
Seen: 24 minutes ago

St. Louis (STL)to

New Orleans (MSY)
Depart: 10/01/2026

One-way

Basic

From
$159
Seen: 1 hour ago

St. Louis (STL)to

New Orleans (MSY)
Depart: 10/15/2026

One-way

Basic

From
$159
Seen: 4 hrs ago

St. Louis (STL)to

New Orleans (MSY)
Depart: 11/26/2026

One-way

Basic

From
$159
Seen: 1 hour ago

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Explore flights from St. Louis to New Orleans

Aug 2026
From$371*
Seen: 7 hrs ago
One Way/Basic
Sep 2026
From$159*
Seen: 24 minutes ago
One Way/Basic
Oct 2026
From$159*
Seen: 1 hour ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $159
cmp-daily-histogram-bars-legend-max-price-aria-label $485
Displaying fares for August-2026
  • STL–MSY, 08/22/2026: From $485
    22

    Sat

    AUG

  • STL–MSY, 08/23/2026: From $480
    23

    Sun

  • STL–MSY, 08/24/2026: From $485
    24

    Mon

  • STL–MSY, 08/25/2026: From $485
    25

    Tue

  • STL–MSY, 08/26/2026: From $485
    26

    Wed

  • STL–MSY, 08/27/2026: From $376
    27

    Thu

  • STL–MSY, 08/28/2026: From $376
    28

    Fri

  • STL–MSY, 08/29/2026: From $376
    29

    Sat

  • STL–MSY, 08/30/2026: From $371
    30

    Sun

  • STL–MSY, 08/31/2026: From $376
    31

    Mon

  • STL–MSY: cmp-view-offers-disclaimer. Find Offers
    01

    Tue

    SEP

  • STL–MSY: cmp-view-offers-disclaimer. Find Offers
    02

    Wed

  • STL–MSY, 09/03/2026: From $309
    03

    Thu

  • STL–MSY, 09/04/2026: From $269
    04

    Fri

  • STL–MSY, 09/05/2026: From $269
    05

    Sat

  • STL–MSY, 09/06/2026: From $269
    06

    Sun

  • STL–MSY, 09/07/2026: From $269
    07

    Mon

  • STL–MSY, 09/08/2026: From $269
    08

    Tue

  • STL–MSY, 09/09/2026: From $269
    09

    Wed

  • STL–MSY, 09/10/2026: From $164
    10

    Thu

  • STL–MSY, 09/11/2026: From $164
    11

    Fri

  • STL–MSY, 09/12/2026: From $164
    12

    Sat

  • STL–MSY, 09/13/2026: From $184
    13

    Sun

  • STL–MSY: cmp-view-offers-disclaimer. Find Offers
    14

    Mon

  • STL–MSY, 09/15/2026: From $164
    15

    Tue

  • STL–MSY, 09/16/2026: From $164
    16

    Wed

  • STL–MSY, 09/17/2026: From $159
    17

    Thu

  • STL–MSY, 09/18/2026: From $164
    18

    Fri

  • STL–MSY, 09/19/2026: From $164
    19

    Sat

  • STL–MSY, 09/20/2026: From $184
    20

    Sun

  • STL–MSY: cmp-view-offers-disclaimer. Find Offers
    21

    Mon

    • Range$159-$485

    *Fares displayed have been collected within the last 24 hours and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply. Modifying this information may result in a different fare. To find the most updated fare, please visit Southwest.com. Fares listed are Basic, which are subject to additional terms and conditions.

    Flight Details

    Departing from:
    Lambert-St Louis Int'l Airport
    Arriving at:
    Louis Armstrong International Airport
    Average flight time:
    1 hour 43 minutes
    Distance:
    604 miles

    Route Information

    156† Weekly flights
    • 2‡ Nonstop flights per day Monday through Friday
    • 1‡ Nonstop flight on Saturday
    • 3‡ Nonstop flights on Sunday

    † Weekly flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025. Note: route may not operate every day of the week.

    ‡ Nonstop flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025.

    Questions we hear the most

    The average flight time from St. Louis to New Orleans is 1 hour 43 minutes.
    There are 156 weekly flights from St. Louis to New Orleans on Southwest Airlines.
    Yes, Southwest flies nonstop from St. Louis to New Orleans 2 times per day from Monday through Friday.
    Yes, Southwest flies nonstop from St. Louis to New Orleans once per day on Saturdays and 3 times per day on Sundays.
    To find the lowest fares by day and time to fly St. Louis to New Orleans with Southwest, check out our Low Fare Calendar.
    You can rent a car at Louis Armstrong International Airport book yours with your flight.
    Yes! Flights from St. Louis to New Orleans—or from here or there to anywhere—can be changed with no change fees. Fare difference may apply.
    Check the status of your upcoming Southwest flight.
    Check out the Southwest Airlines® Help Center for answers about everything Southwest.

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