Southwest® flights from Los Angeles to St. Louis from $174

Promo Code

Low fares from Los Angeles to St. Louis

$

Los Angeles (LAX)to

St. Louis (STL)
Depart: 09/29/2026

One-way

Basic

From
$174
Seen: 13 hrs ago

Los Angeles (LAX)to

St. Louis (STL)
Depart: 09/16/2026

One-way

Basic

From
$174
Seen: 19 hrs ago

Los Angeles (LAX)to

St. Louis (STL)
Depart: 10/21/2026

One-way

Basic

From
$174
Seen: 22 hrs ago

Los Angeles (LAX)to

St. Louis (STL)
Depart: 09/17/2026

One-way

Basic

From
$174
Seen: 14 hrs ago

Los Angeles (LAX)to

St. Louis (STL)
Depart: 10/01/2026

One-way

Basic

From
$174
Seen: 10 hrs ago

Los Angeles (LAX)to

St. Louis (STL)
Depart: 10/27/2026

One-way

Basic

From
$174
Seen: 6 hrs ago

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Explore flights from Los Angeles to St. Louis

Aug 2026
From$285*
Seen: 11 hrs ago
One Way/Basic
Sep 2026
From$174*
Seen: 11 hrs ago
One Way/Basic
Oct 2026
From$174*
Seen: 7 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $174
cmp-daily-histogram-bars-legend-max-price-aria-label $336
Displaying fares for August-2026
  • LAX–STL, 08/23/2026: From $326
    23

    Sun

    AUG

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

    Mon

  • LAX–STL, 08/25/2026: From $285
    25

    Tue

  • LAX–STL, 08/26/2026: From $285
    26

    Wed

  • LAX–STL, 08/27/2026: From $326
    27

    Thu

  • LAX–STL, 08/28/2026: From $326
    28

    Fri

  • LAX–STL, 08/29/2026: From $285
    29

    Sat

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

    Sun

  • LAX–STL: cmp-view-offers-disclaimer. Find Offers
    31

    Mon

  • LAX–STL, 09/01/2026: From $285
    01

    Tue

    SEP

  • LAX–STL, 09/02/2026: From $295
    02

    Wed

  • LAX–STL, 09/03/2026: From $326
    03

    Thu

  • LAX–STL, 09/04/2026: From $326
    04

    Fri

  • LAX–STL, 09/05/2026: From $202
    05

    Sat

  • LAX–STL, 09/06/2026: From $212
    06

    Sun

  • LAX–STL, 09/07/2026: From $336
    07

    Mon

  • LAX–STL, 09/08/2026: From $285
    08

    Tue

  • LAX–STL, 09/09/2026: From $202
    09

    Wed

  • LAX–STL, 09/10/2026: From $202
    10

    Thu

  • LAX–STL, 09/11/2026: From $202
    11

    Fri

  • LAX–STL, 09/12/2026: From $174
    12

    Sat

  • LAX–STL, 09/13/2026: From $194
    13

    Sun

  • LAX–STL, 09/14/2026: From $174
    14

    Mon

  • LAX–STL, 09/15/2026: From $174
    15

    Tue

  • LAX–STL, 09/16/2026: From $174
    16

    Wed

  • LAX–STL, 09/17/2026: From $174
    17

    Thu

  • LAX–STL, 09/18/2026: From $194
    18

    Fri

  • LAX–STL, 09/19/2026: From $174
    19

    Sat

  • LAX–STL, 09/20/2026: From $204
    20

    Sun

  • LAX–STL, 09/21/2026: From $174
    21

    Mon

  • LAX–STL, 09/22/2026: From $184
    22

    Tue

    • Range$174-$336

    *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:
    Los Angeles International Airport
    Arriving at:
    Lambert-St Louis Int'l Airport
    Average flight time:
    3 hours 39 minutes
    Distance:
    1592 miles

    Route Information

    156† Weekly flights
    • 2‡ Nonstop flights per day Monday through Friday
    • 2‡ Nonstop flights 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 Los Angeles to St. Louis is 3 hours 39 minutes.
    There are 156 weekly flights from Los Angeles to St. Louis on Southwest Airlines.
    Yes, Southwest flies nonstop from Los Angeles to St. Louis 2 times per day from Monday through Friday.
    Yes, Southwest flies nonstop from Los Angeles to St. Louis 2 times per day on Saturdays and 3 times per day on Sundays.
    To find the lowest fares by day and time to fly Los Angeles 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 Los Angeles 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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