Southwest® flights from Houston Hobby to St. Louis from $181

Promo Code

Low fares from Houston Hobby to St. Louis

$

Houston Hobby (HOU)to

St. Louis (STL)
Depart: 11/12/2026

One-way

Basic

From
$181
Seen: 23 hrs ago

Houston Hobby (HOU)to

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

One-way

Basic

From
$181
Seen: 19 hrs ago

Houston Hobby (HOU)to

St. Louis (STL)
Depart: 12/21/2026

One-way

Basic

From
$181
Seen: 19 hrs ago

Houston Hobby (HOU)to

St. Louis (STL)
Depart: 10/16/2026

One-way

Basic

From
$181
Seen: 18 hrs ago

Houston Hobby (HOU)to

St. Louis (STL)
Depart: 11/19/2026

One-way

Basic

From
$181
Seen: 17 hrs ago

Houston Hobby (HOU)to

St. Louis (STL)
Depart: 10/30/2026

One-way

Basic

From
$181
Seen: 23 hrs ago

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Explore flights from Houston Hobby to St. Louis

Sep 2026
From$232*
Seen: 21 hrs ago
One Way/Basic
Oct 2026
From$181*
Seen: 23 hrs ago
One Way/Basic
Nov 2026
From$181*
Seen: 15 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $181
cmp-daily-histogram-bars-legend-max-price-aria-label $444
Displaying fares for September-2026
  • HOU–STL, 09/12/2026: From $444
    12

    Sat

    SEP

  • HOU–STL, 09/13/2026: From $444
    13

    Sun

  • HOU–STL, 09/14/2026: From $444
    14

    Mon

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

    Tue

  • HOU–STL: cmp-view-offers-disclaimer. Find Offers
    16

    Wed

  • HOU–STL, 09/17/2026: From $444
    17

    Thu

  • HOU–STL, 09/18/2026: From $356
    18

    Fri

  • HOU–STL, 09/19/2026: From $356
    19

    Sat

  • HOU–STL, 09/20/2026: From $356
    20

    Sun

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

    Mon

  • HOU–STL, 09/22/2026: From $356
    22

    Tue

  • HOU–STL, 09/23/2026: From $356
    23

    Wed

  • HOU–STL, 09/24/2026: From $356
    24

    Thu

  • HOU–STL, 09/25/2026: From $232
    25

    Fri

  • HOU–STL, 09/26/2026: From $232
    26

    Sat

  • HOU–STL, 09/27/2026: From $232
    27

    Sun

  • HOU–STL, 09/28/2026: From $232
    28

    Mon

  • HOU–STL, 09/29/2026: From $232
    29

    Tue

  • HOU–STL, 09/30/2026: From $232
    30

    Wed

  • HOU–STL, 10/01/2026: From $232
    01

    Thu

    OCT

  • HOU–STL, 10/02/2026: From $181
    02

    Fri

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

    Sat

  • HOU–STL, 10/04/2026: From $232
    04

    Sun

  • HOU–STL: cmp-view-offers-disclaimer. Find Offers
    05

    Mon

  • HOU–STL, 10/06/2026: From $232
    06

    Tue

  • HOU–STL, 10/07/2026: From $181
    07

    Wed

  • HOU–STL, 10/08/2026: From $232
    08

    Thu

  • HOU–STL, 10/09/2026: From $232
    09

    Fri

  • HOU–STL: cmp-view-offers-disclaimer. Find Offers
    10

    Sat

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

    Sun

    • Range$181-$444

    *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:
    William P. Hobby Airport
    Arriving at:
    Lambert-St Louis Int'l Airport
    Average flight time:
    1 hour 56 minutes
    Distance:
    687 miles

    Route Information

    156† Weekly flights
    • 4‡ Nonstop flights per day Monday through Friday
    • 3‡ Nonstop flights on Saturday
    • 5‡ 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 Houston (Hobby) to St. Louis is 1 hour 56 minutes.
    There are 156 weekly flights from Houston (Hobby) to St. Louis on Southwest Airlines.
    Yes, Southwest flies nonstop from Houston (Hobby) to St. Louis 4 times per day from Monday through Friday.
    Yes, Southwest flies nonstop from Houston (Hobby) to St. Louis 3 times per day on Saturdays and 5 times per day on Sundays.
    To find the lowest fares by day and time to fly Houston (Hobby) 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 Houston (Hobby) 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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