Southwest® flights from St. Louis to Miami from $124

Promo Code

Low fares from St. Louis to Miami

$

St. Louis (STL)to

Miami (MIA)
Depart: 09/22/2026

One-way

Basic

From
$124
Seen: 8 hrs ago

St. Louis (STL)to

Miami (MIA)
Depart: 09/05/2026

One-way

Basic

From
$124
Seen: 20 hrs ago

St. Louis (STL)to

Miami (MIA)
Depart: 09/21/2026

One-way

Basic

From
$124
Seen: 18 hrs ago

St. Louis (STL)to

Miami (MIA)
Depart: 08/26/2026

One-way

Basic

From
$124
Seen: 21 hrs ago

St. Louis (STL)to

Miami (MIA)
Depart: 11/02/2026

One-way

Basic

From
$124
Seen: 21 hrs ago

St. Louis (STL)to

Miami (MIA)
Depart: 10/12/2026

One-way

Basic

From
$124
Seen: 18 hrs ago

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Explore flights from St. Louis to Miami

Aug 2026
From$124*
Seen: 1 hour ago
One Way/Basic
Sep 2026
From$124*
Seen: 8 hrs ago
One Way/Basic
Oct 2026
From$124*
Seen: 8 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $124
cmp-daily-histogram-bars-legend-max-price-aria-label $241
Displaying fares for August-2026
  • STL–MIA, 08/01/2026: From $214
    01

    Sat

    AUG

  • STL–MIA: cmp-view-offers-disclaimer. Find Offers
    02

    Sun

  • STL–MIA, 08/03/2026: From $231
    03

    Mon

  • STL–MIA, 08/04/2026: From $204
    04

    Tue

  • STL–MIA, 08/05/2026: From $204
    05

    Wed

  • STL–MIA, 08/06/2026: From $241
    06

    Thu

  • STL–MIA, 08/07/2026: From $241
    07

    Fri

  • STL–MIA, 08/08/2026: From $204
    08

    Sat

  • STL–MIA, 08/09/2026: From $231
    09

    Sun

  • STL–MIA, 08/10/2026: From $231
    10

    Mon

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

    Tue

  • STL–MIA, 08/12/2026: From $214
    12

    Wed

  • STL–MIA, 08/13/2026: From $231
    13

    Thu

  • STL–MIA, 08/14/2026: From $231
    14

    Fri

  • STL–MIA, 08/15/2026: From $204
    15

    Sat

  • STL–MIA, 08/16/2026: From $231
    16

    Sun

  • STL–MIA, 08/17/2026: From $231
    17

    Mon

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

    Tue

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

    Wed

  • STL–MIA, 08/20/2026: From $231
    20

    Thu

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

    Fri

  • STL–MIA, 08/22/2026: From $124
    22

    Sat

  • STL–MIA: cmp-view-offers-disclaimer. Find Offers
    23

    Sun

  • STL–MIA, 08/24/2026: From $124
    24

    Mon

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

    Tue

  • STL–MIA, 08/26/2026: From $124
    26

    Wed

  • STL–MIA, 08/27/2026: From $124
    27

    Thu

  • STL–MIA, 08/28/2026: From $185
    28

    Fri

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

    Sat

  • STL–MIA: cmp-view-offers-disclaimer. Find Offers
    30

    Sun

  • STL–MIA, 08/31/2026: From $124
    31

    Mon

    • Range$124-$241

    *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:
    Miami International Airport
    Average flight time:
    2 hours 40 minutes
    Distance:
    1068 miles

    Route Information

    128† Weekly flights
    • 1‡ Nonstop flight per day Monday through Friday
    • 2‡ Nonstop flights on Saturday
    • 2‡ 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 Miami is 2 hours 40 minutes.
    There are 128 weekly flights from St. Louis to Miami on Southwest Airlines.
    Yes, Southwest flies nonstop from St. Louis to Miami once per day from Monday through Friday.
    Yes, Southwest flies nonstop from St. Louis to Miami 2 times per day on Saturdays and Sundays.
    To find the lowest fares by day and time to fly St. Louis to Miami with Southwest, check out our Low Fare Calendar.
    You can rent a car at Miami International Airport book yours with your flight.
    Yes! Flights from St. Louis to Miami—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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