Southwest® flights from Houston Hobby to St. Louis from $121

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Low fares from Houston Hobby to St. Louis

$

Houston Hobby (HOU)to

St. Louis (STL)
Depart: 11/27/2026

One-way

Basic

From
$121
Seen: 6 hrs ago

Houston Hobby (HOU)to

St. Louis (STL)
Depart: 11/26/2026

One-way

Basic

From
$121
Seen: 6 hrs ago

Houston Hobby (HOU)to

St. Louis (STL)
Depart: 11/24/2026

One-way

Basic

From
$121
Seen: 6 hrs ago

Houston Hobby (HOU)to

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

One-way

Basic

From
$121
Seen: 6 hrs ago

Houston Hobby (HOU)to

St. Louis (STL)
Depart: 12/31/2026

One-way

Basic

From
$121
Seen: 3 hrs ago

Houston Hobby (HOU)to

St. Louis (STL)
Depart: 12/22/2026

One-way

Basic

From
$121
Seen: 2 hrs ago

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Explore flights from Houston Hobby to St. Louis

Oct 2026
From$366*
Seen: 20 hrs ago
One Way/Basic
Nov 2026
From$121*
Seen: 6 hrs ago
One Way/Basic
Dec 2026
From$121*
Seen: 6 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $121
cmp-daily-histogram-bars-legend-max-price-aria-label $454
Displaying fares for October-2026
  • HOU–STL, 10/24/2026: From $454
    24

    Sat

    OCT

  • HOU–STL, 10/25/2026: From $454
    25

    Sun

  • HOU–STL, 10/26/2026: From $454
    26

    Mon

  • HOU–STL, 10/27/2026: From $454
    27

    Tue

  • HOU–STL, 10/28/2026: From $454
    28

    Wed

  • HOU–STL, 10/29/2026: From $454
    29

    Thu

  • HOU–STL, 10/30/2026: From $366
    30

    Fri

  • HOU–STL, 10/31/2026: From $366
    31

    Sat

  • HOU–STL, 11/01/2026: From $366
    01

    Sun

    NOV

  • HOU–STL, 11/02/2026: From $366
    02

    Mon

  • HOU–STL, 11/03/2026: From $366
    03

    Tue

  • HOU–STL: cmp-view-offers-disclaimer. Find Offers
    04

    Wed

  • HOU–STL, 11/05/2026: From $366
    05

    Thu

  • HOU–STL, 11/06/2026: From $243
    06

    Fri

  • HOU–STL: cmp-view-offers-disclaimer. Find Offers
    07

    Sat

  • HOU–STL, 11/08/2026: From $243
    08

    Sun

  • HOU–STL, 11/09/2026: From $122
    09

    Mon

  • HOU–STL, 11/10/2026: From $121
    10

    Tue

  • HOU–STL, 11/11/2026: From $122
    11

    Wed

  • HOU–STL, 11/12/2026: From $122
    12

    Thu

  • HOU–STL, 11/13/2026: From $122
    13

    Fri

  • HOU–STL, 11/14/2026: From $122
    14

    Sat

  • HOU–STL, 11/15/2026: From $218
    15

    Sun

  • HOU–STL, 11/16/2026: From $230
    16

    Mon

  • HOU–STL, 11/17/2026: From $122
    17

    Tue

  • HOU–STL, 11/18/2026: From $122
    18

    Wed

  • HOU–STL, 11/19/2026: From $121
    19

    Thu

  • HOU–STL, 11/20/2026: From $187
    20

    Fri

  • HOU–STL, 11/21/2026: From $122
    21

    Sat

  • HOU–STL, 11/22/2026: From $122
    22

    Sun

  • HOU–STL, 11/23/2026: From $122
    23

    Mon

    • Range$121-$454

    *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

    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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