Southwest® flights from St. Louis to New Orleans from $136

Promo Code

Low fares from St. Louis to New Orleans

$

St. Louis (STL)to

New Orleans (MSY)
Depart: 12/02/2026

One-way

Basic

From
$136
Seen: 20 hrs ago

St. Louis (STL)to

New Orleans (MSY)
Depart: 12/08/2026

One-way

Basic

From
$136
Seen: 20 hrs ago

St. Louis (STL)to

New Orleans (MSY)
Depart: 12/09/2026

One-way

Basic

From
$136
Seen: 3 hrs ago

St. Louis (STL)to

New Orleans (MSY)
Depart: 11/25/2026

One-way

Basic

From
$137
Seen: 15 hrs ago

St. Louis (STL)to

New Orleans (MSY)
Depart: 01/12/2027

One-way

Basic

From
$137
Seen: 20 hrs ago

St. Louis (STL)to

New Orleans (MSY)
Depart: 01/13/2027

One-way

Basic

From
$137
Seen: 4 hrs ago

Looking for more low-fare flights?

Check out the Low Fare Calendar to find a fare that works for you. Just choose the month you want to depart and return, and we’ll show you the best fares available.

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Explore flights from St. Louis to New Orleans

Oct 2026
From$391*
Seen: 11 hrs ago
One Way/Basic
Nov 2026
From$137*
Seen: 15 hrs ago
One Way/Basic
Dec 2026
From$136*
Seen: 3 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $158
cmp-daily-histogram-bars-legend-max-price-aria-label $505
Displaying fares for October-2026
  • STL–MSY, 10/22/2026: From $505
    22

    Thu

    OCT

  • STL–MSY, 10/23/2026: From $505
    23

    Fri

  • STL–MSY, 10/24/2026: From $505
    24

    Sat

  • STL–MSY, 10/25/2026: From $505
    25

    Sun

  • STL–MSY, 10/26/2026: From $505
    26

    Mon

  • STL–MSY, 10/27/2026: From $500
    27

    Tue

  • STL–MSY, 10/28/2026: From $391
    28

    Wed

  • STL–MSY, 10/29/2026: From $396
    29

    Thu

  • STL–MSY, 10/30/2026: From $396
    30

    Fri

  • STL–MSY, 10/31/2026: From $396
    31

    Sat

  • STL–MSY, 11/01/2026: From $396
    01

    Sun

    NOV

  • STL–MSY, 11/02/2026: From $396
    02

    Mon

  • STL–MSY, 11/03/2026: From $391
    03

    Tue

  • STL–MSY, 11/04/2026: From $289
    04

    Wed

  • STL–MSY, 11/05/2026: From $396
    05

    Thu

  • STL–MSY, 11/06/2026: From $341
    06

    Fri

  • STL–MSY, 11/07/2026: From $289
    07

    Sat

  • STL–MSY, 11/08/2026: From $289
    08

    Sun

  • STL–MSY, 11/09/2026: From $159
    09

    Mon

  • STL–MSY, 11/10/2026: From $159
    10

    Tue

  • STL–MSY: cmp-view-offers-disclaimer. Find Offers
    11

    Wed

  • STL–MSY: cmp-view-offers-disclaimer. Find Offers
    12

    Thu

  • STL–MSY, 11/13/2026: From $216
    13

    Fri

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

    Sat

  • STL–MSY, 11/15/2026: From $159
    15

    Sun

  • STL–MSY, 11/16/2026: From $159
    16

    Mon

  • STL–MSY, 11/17/2026: From $158
    17

    Tue

  • STL–MSY, 11/18/2026: From $159
    18

    Wed

  • STL–MSY, 11/19/2026: From $260
    19

    Thu

  • STL–MSY, 11/20/2026: From $206
    20

    Fri

  • STL–MSY, 11/21/2026: From $159
    21

    Sat

    • Range$158-$505

    *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

    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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