Southwest® flights from New Orleans to St. Louis from $174

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Low fares from New Orleans to St. Louis

$

New Orleans (MSY)to

St. Louis (STL)
Depart: 11/04/2026

One-way

Basic

From
$174
Seen: 12 hrs ago

New Orleans (MSY)to

St. Louis (STL)
Depart: 10/29/2026

One-way

Basic

From
$174
Seen: 10 hrs ago

New Orleans (MSY)to

St. Louis (STL)
Depart: 10/23/2026

One-way

Basic

From
$174
Seen: 3 hrs ago

New Orleans (MSY)to

St. Louis (STL)
Depart: 10/22/2026

One-way

Basic

From
$174
Seen: 2 hrs ago

New Orleans (MSY)to

St. Louis (STL)
Depart: 11/05/2026

One-way

Basic

From
$174
Seen: 15 hrs ago

New Orleans (MSY)to

St. Louis (STL)
Depart: 11/10/2026

One-way

Basic

From
$174
Seen: 16 hrs ago

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Explore flights from New Orleans to St. Louis

Sep 2026
From$495*
Seen: 17 hrs ago
One Way/Basic
Oct 2026
From$174*
Seen: 1 hour ago
One Way/Basic
Nov 2026
From$174*
Seen: 18 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $174
cmp-daily-histogram-bars-legend-max-price-aria-label $495
Displaying fares for September-2026
  • MSY–STL, 09/29/2026: From $495
    29

    Tue

    SEP

  • MSY–STL: cmp-view-offers-disclaimer. Find Offers
    30

    Wed

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

    Thu

    OCT

  • MSY–STL, 10/02/2026: From $495
    02

    Fri

  • MSY–STL: cmp-view-offers-disclaimer. Find Offers
    03

    Sat

  • MSY–STL, 10/04/2026: From $495
    04

    Sun

  • MSY–STL, 10/05/2026: From $386
    05

    Mon

  • MSY–STL, 10/06/2026: From $386
    06

    Tue

  • MSY–STL, 10/07/2026: From $386
    07

    Wed

  • MSY–STL, 10/08/2026: From $386
    08

    Thu

  • MSY–STL, 10/09/2026: From $386
    09

    Fri

  • MSY–STL, 10/10/2026: From $386
    10

    Sat

  • MSY–STL, 10/11/2026: From $386
    11

    Sun

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

    Mon

  • MSY–STL, 10/13/2026: From $279
    13

    Tue

  • MSY–STL, 10/14/2026: From $279
    14

    Wed

  • MSY–STL, 10/15/2026: From $279
    15

    Thu

  • MSY–STL, 10/16/2026: From $279
    16

    Fri

  • MSY–STL: cmp-view-offers-disclaimer. Find Offers
    17

    Sat

  • MSY–STL, 10/18/2026: From $244
    18

    Sun

  • MSY–STL, 10/19/2026: From $174
    19

    Mon

  • MSY–STL: cmp-view-offers-disclaimer. Find Offers
    20

    Tue

  • MSY–STL, 10/21/2026: From $174
    21

    Wed

  • MSY–STL, 10/22/2026: From $174
    22

    Thu

  • MSY–STL, 10/23/2026: From $174
    23

    Fri

  • MSY–STL: cmp-view-offers-disclaimer. Find Offers
    24

    Sat

  • MSY–STL, 10/25/2026: From $230
    25

    Sun

  • MSY–STL, 10/26/2026: From $184
    26

    Mon

  • MSY–STL: cmp-view-offers-disclaimer. Find Offers
    27

    Tue

  • MSY–STL, 10/28/2026: From $174
    28

    Wed

    • Range$174-$495

    *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:
    Louis Armstrong International Airport
    Arriving at:
    Lambert-St Louis Int'l Airport
    Average flight time:
    1 hour 46 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 New Orleans to St. Louis is 1 hour 46 minutes.
    There are 156 weekly flights from New Orleans to St. Louis on Southwest Airlines.
    Yes, Southwest flies nonstop from New Orleans to St. Louis 2 times per day from Monday through Friday.
    Yes, Southwest flies nonstop from New Orleans to St. Louis once per day on Saturdays and 3 times per day on Sundays.
    To find the lowest fares by day and time to fly New Orleans to St. Louis with Southwest, check out our Low Fare Calendar.
    You can rent a car at Lambert-St Louis Int'l Airport book yours with your flight.
    Yes! Flights from New Orleans to St. Louis—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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