Southwest® flights from Birmingham to St. Louis from $158

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Low fares from Birmingham to St. Louis

$

Birmingham (BHM)to

St. Louis (STL)
Depart: 09/10/2026

One-way

Basic

From
$158
Seen: 16 hrs ago

Birmingham (BHM)to

St. Louis (STL)
Depart: 11/17/2026

One-way

Basic

From
$158
Seen: 22 hrs ago

Birmingham (BHM)to

St. Louis (STL)
Depart: 09/14/2026

One-way

Basic

From
$158
Seen: 4 hrs ago

Birmingham (BHM)to

St. Louis (STL)
Depart: 10/29/2026

One-way

Basic

From
$158
Seen: 10 hrs ago

Birmingham (BHM)to

St. Louis (STL)
Depart: 10/24/2026

One-way

Basic

From
$158
Seen: 12 hrs ago

Birmingham (BHM)to

St. Louis (STL)
Depart: 11/10/2026

One-way

Basic

From
$158
Seen: 22 hrs ago

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Explore flights from Birmingham to St. Louis

Aug 2026
From$352*
Seen: 9 hrs ago
One Way/Basic
Sep 2026
From$158*
Seen: 4 hrs ago
One Way/Basic
Oct 2026
From$158*
Seen: 2 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $158
cmp-daily-histogram-bars-legend-max-price-aria-label $401
Displaying fares for August-2026
  • BHM–STL, 08/22/2026: From $401
    22

    Sat

    AUG

  • BHM–STL, 08/23/2026: From $401
    23

    Sun

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

    Mon

  • BHM–STL, 08/25/2026: From $401
    25

    Tue

  • BHM–STL, 08/26/2026: From $401
    26

    Wed

  • BHM–STL: cmp-view-offers-disclaimer. Find Offers
    27

    Thu

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

    Fri

  • BHM–STL: cmp-view-offers-disclaimer. Find Offers
    29

    Sat

  • BHM–STL, 08/30/2026: From $352
    30

    Sun

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

    Mon

  • BHM–STL, 09/01/2026: From $352
    01

    Tue

    SEP

  • BHM–STL, 09/02/2026: From $352
    02

    Wed

  • BHM–STL, 09/03/2026: From $352
    03

    Thu

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

    Fri

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

    Sat

  • BHM–STL: cmp-view-offers-disclaimer. Find Offers
    06

    Sun

  • BHM–STL, 09/07/2026: From $265
    07

    Mon

  • BHM–STL: cmp-view-offers-disclaimer. Find Offers
    08

    Tue

  • BHM–STL: cmp-view-offers-disclaimer. Find Offers
    09

    Wed

  • BHM–STL, 09/10/2026: From $158
    10

    Thu

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

    Fri

  • BHM–STL: cmp-view-offers-disclaimer. Find Offers
    12

    Sat

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

    Sun

  • BHM–STL, 09/14/2026: From $158
    14

    Mon

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

    Tue

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

    Wed

  • BHM–STL, 09/17/2026: From $158
    17

    Thu

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

    Fri

  • BHM–STL: cmp-view-offers-disclaimer. Find Offers
    19

    Sat

  • BHM–STL: cmp-view-offers-disclaimer. Find Offers
    20

    Sun

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

    Mon

    • Range$158-$401

    *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:
    Birmingham-Shuttlesworth International Airport
    Arriving at:
    Lambert-St Louis Int'l Airport
    Distance:
    411 miles

    Route Information

    143† Weekly flights

    † 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

    There are 143 weekly flights from Birmingham to St. Louis on Southwest Airlines.
    To find the lowest fares by day and time to fly Birmingham 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 Birmingham 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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