Southwest® flights from Houston Hobby to St. Louis from $125

Promo Code

Low fares from Houston Hobby to St. Louis

$

Houston Hobby (HOU)to

St. Louis (STL)
Depart: 01/12/2027

One-way

Basic

From
$125
Seen: 6 hrs ago

Houston Hobby (HOU)to

St. Louis (STL)
Depart: 01/30/2027

One-way

Basic

From
$125
Seen: 6 hrs ago

Houston Hobby (HOU)to

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

One-way

Basic

From
$125
Seen: 11 hrs ago

Houston Hobby (HOU)to

St. Louis (STL)
Depart: 01/20/2027

One-way

Basic

From
$125
Seen: 8 hrs ago

Houston Hobby (HOU)to

St. Louis (STL)
Depart: 12/08/2026

One-way

Basic

From
$125
Seen: 2 hrs ago

Houston Hobby (HOU)to

St. Louis (STL)
Depart: 12/09/2026

One-way

Basic

From
$125
Seen: 40 minutes 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.

Find low fares

Explore flights from Houston Hobby to St. Louis

Nov 2026
From$253*
Seen: 3 hrs ago
One Way/Basic
Dec 2026
From$125*
Seen: 20 hrs ago
One Way/Basic
Jan 2027
From$125*
Seen: 10 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $125
cmp-daily-histogram-bars-legend-max-price-aria-label $464
Displaying fares for November-2026
  • HOU–STL, 11/13/2026: From $464
    13

    Fri

    NOV

  • HOU–STL, 11/14/2026: From $464
    14

    Sat

  • HOU–STL, 11/15/2026: From $459
    15

    Sun

  • HOU–STL, 11/16/2026: From $464
    16

    Mon

  • HOU–STL, 11/17/2026: From $464
    17

    Tue

  • HOU–STL, 11/18/2026: From $464
    18

    Wed

  • HOU–STL, 11/19/2026: From $464
    19

    Thu

  • HOU–STL, 11/20/2026: From $376
    20

    Fri

  • HOU–STL, 11/21/2026: From $376
    21

    Sat

  • HOU–STL, 11/22/2026: From $376
    22

    Sun

  • HOU–STL, 11/23/2026: From $376
    23

    Mon

  • HOU–STL, 11/24/2026: From $376
    24

    Tue

  • HOU–STL, 11/25/2026: From $376
    25

    Wed

  • HOU–STL, 11/26/2026: From $376
    26

    Thu

  • HOU–STL, 11/27/2026: From $253
    27

    Fri

  • HOU–STL, 11/28/2026: From $283
    28

    Sat

  • HOU–STL, 11/29/2026: From $302
    29

    Sun

  • HOU–STL, 11/30/2026: From $283
    30

    Mon

  • HOU–STL, 12/01/2026: From $253
    01

    Tue

    DEC

  • HOU–STL, 12/02/2026: From $253
    02

    Wed

  • HOU–STL, 12/03/2026: From $253
    03

    Thu

  • HOU–STL, 12/04/2026: From $165
    04

    Fri

  • HOU–STL, 12/05/2026: From $145
    05

    Sat

  • HOU–STL, 12/06/2026: From $240
    06

    Sun

  • HOU–STL, 12/07/2026: From $145
    07

    Mon

  • HOU–STL, 12/08/2026: From $125
    08

    Tue

  • HOU–STL, 12/09/2026: From $125
    09

    Wed

  • HOU–STL, 12/10/2026: From $145
    10

    Thu

  • HOU–STL, 12/11/2026: From $165
    11

    Fri

  • HOU–STL, 12/12/2026: From $145
    12

    Sat

    • Range$125-$464

    *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.

    Explore Flights from Other Popular Origins

    Popular Flights from Houston Hobby