Southwest® flights from St. Louis to Miami from $104

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Low fares from St. Louis to Miami

$

St. Louis (STL)to

Miami (MIA)
Depart: 09/22/2026

One-way

Basic

From
$104
Seen: 23 hrs ago

St. Louis (STL)to

Miami (MIA)
Depart: 10/12/2026

One-way

Basic

From
$104
Seen: 16 hrs ago

St. Louis (STL)to

Miami (MIA)
Depart: 09/19/2026

One-way

Basic

From
$104
Seen: 11 hrs ago

St. Louis (STL)to

Miami (MIA)
Depart: 09/21/2026

One-way

Basic

From
$104
Seen: 12 hrs ago

St. Louis (STL)to

Miami (MIA)
Depart: 10/05/2026

One-way

Basic

From
$104
Seen: 18 hrs ago

St. Louis (STL)to

Miami (MIA)
Depart: 10/01/2026

One-way

Basic

From
$104
Seen: 22 hrs ago

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Explore flights from St. Louis to Miami

Aug 2026
From$204*
Seen: 20 hrs ago
One Way/Basic
Sep 2026
From$104*
Seen: 16 hrs ago
One Way/Basic
Oct 2026
From$104*
Seen: 6 minutes ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $104
cmp-daily-histogram-bars-legend-max-price-aria-label $241
Displaying fares for August-2026
  • STL–MIA, 08/22/2026: From $204
    22

    Sat

    AUG

  • STL–MIA, 08/23/2026: From $231
    23

    Sun

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

    Mon

  • STL–MIA, 08/25/2026: From $204
    25

    Tue

  • STL–MIA: cmp-view-offers-disclaimer. Find Offers
    26

    Wed

  • STL–MIA, 08/27/2026: From $231
    27

    Thu

  • STL–MIA, 08/28/2026: From $231
    28

    Fri

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

    Sat

  • STL–MIA, 08/30/2026: From $231
    30

    Sun

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

    Mon

  • STL–MIA: cmp-view-offers-disclaimer. Find Offers
    01

    Tue

    SEP

  • STL–MIA, 09/02/2026: From $204
    02

    Wed

  • STL–MIA, 09/03/2026: From $233
    03

    Thu

  • STL–MIA, 09/04/2026: From $241
    04

    Fri

  • STL–MIA, 09/05/2026: From $178
    05

    Sat

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

    Sun

  • STL–MIA, 09/07/2026: From $178
    07

    Mon

  • STL–MIA, 09/08/2026: From $178
    08

    Tue

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

    Wed

  • STL–MIA, 09/10/2026: From $178
    10

    Thu

  • STL–MIA, 09/11/2026: From $135
    11

    Fri

  • STL–MIA, 09/12/2026: From $104
    12

    Sat

  • STL–MIA, 09/13/2026: From $163
    13

    Sun

  • STL–MIA: cmp-view-offers-disclaimer. Find Offers
    14

    Mon

  • STL–MIA, 09/15/2026: From $104
    15

    Tue

  • STL–MIA, 09/16/2026: From $104
    16

    Wed

  • STL–MIA, 09/17/2026: From $129
    17

    Thu

  • STL–MIA, 09/18/2026: From $173
    18

    Fri

  • STL–MIA, 09/19/2026: From $104
    19

    Sat

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

    Sun

  • STL–MIA, 09/21/2026: From $104
    21

    Mon

    • Range$104-$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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