Southwest® flights from St. Louis to Los Angeles from $209

Promo Code

Low fares from St. Louis to Los Angeles

$

St. Louis (STL)to

Los Angeles (LAX)
Depart: 12/16/2026

One-way

Basic

From
$209
Seen: 13 hrs ago

St. Louis (STL)to

Los Angeles (LAX)
Depart: 10/05/2026

One-way

Basic

From
$209
Seen: 12 hrs ago

St. Louis (STL)to

Los Angeles (LAX)
Depart: 11/10/2026

One-way

Basic

From
$209
Seen: 18 hrs ago

St. Louis (STL)to

Los Angeles (LAX)
Depart: 10/28/2026

One-way

Basic

From
$209
Seen: 10 hrs ago

St. Louis (STL)to

Los Angeles (LAX)
Depart: 12/15/2026

One-way

Basic

From
$209
Seen: 10 hrs ago

St. Louis (STL)to

Los Angeles (LAX)
Depart: 11/19/2026

One-way

Basic

From
$209
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 Los Angeles

Sep 2026
From$295*
Seen: 16 hrs ago
One Way/Basic
Oct 2026
From$209*
Seen: 17 hrs ago
One Way/Basic
Nov 2026
From$209*
Seen: 8 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $209
cmp-daily-histogram-bars-legend-max-price-aria-label $378
Displaying fares for September-2026
  • STL–LAX, 09/11/2026: From $336
    11

    Fri

    SEP

  • STL–LAX, 09/12/2026: From $295
    12

    Sat

  • STL–LAX: cmp-view-offers-disclaimer. Find Offers
    13

    Sun

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

    Mon

  • STL–LAX: cmp-view-offers-disclaimer. Find Offers
    15

    Tue

  • STL–LAX, 09/16/2026: From $295
    16

    Wed

  • STL–LAX, 09/17/2026: From $378
    17

    Thu

  • STL–LAX: cmp-view-offers-disclaimer. Find Offers
    18

    Fri

  • STL–LAX, 09/19/2026: From $295
    19

    Sat

  • STL–LAX, 09/20/2026: From $346
    20

    Sun

  • STL–LAX, 09/21/2026: From $336
    21

    Mon

  • STL–LAX, 09/22/2026: From $295
    22

    Tue

  • STL–LAX, 09/23/2026: From $295
    23

    Wed

  • STL–LAX, 09/24/2026: From $346
    24

    Thu

  • STL–LAX: cmp-view-offers-disclaimer. Find Offers
    25

    Fri

  • STL–LAX: cmp-view-offers-disclaimer. Find Offers
    26

    Sat

  • STL–LAX, 09/27/2026: From $336
    27

    Sun

  • STL–LAX: cmp-view-offers-disclaimer. Find Offers
    28

    Mon

  • STL–LAX, 09/29/2026: From $295
    29

    Tue

  • STL–LAX, 09/30/2026: From $295
    30

    Wed

  • STL–LAX, 10/01/2026: From $209
    01

    Thu

    OCT

  • STL–LAX, 10/02/2026: From $235
    02

    Fri

  • STL–LAX, 10/03/2026: From $209
    03

    Sat

  • STL–LAX, 10/04/2026: From $280
    04

    Sun

  • STL–LAX, 10/05/2026: From $209
    05

    Mon

  • STL–LAX, 10/06/2026: From $209
    06

    Tue

  • STL–LAX, 10/07/2026: From $209
    07

    Wed

  • STL–LAX, 10/08/2026: From $209
    08

    Thu

  • STL–LAX, 10/09/2026: From $235
    09

    Fri

  • STL–LAX, 10/10/2026: From $219
    10

    Sat

    • Range$209-$378

    *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:
    Los Angeles International Airport
    Average flight time:
    4 hours 3 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 St. Louis to Los Angeles is 4 hours 3 minutes.
    There are 156 weekly flights from St. Louis to Los Angeles on Southwest Airlines.
    Yes, Southwest flies nonstop from St. Louis to Los Angeles 2 times per day from Monday through Friday.
    Yes, Southwest flies nonstop from St. Louis to Los Angeles 2 times 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 Los Angeles with Southwest, check out our Low Fare Calendar.
    You can rent a car at Los Angeles International Airport book yours with your flight.
    Yes! Flights from St. Louis to Los Angeles—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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