Southwest® flights from St. Louis to Miami from $119

Promo Code

Low fares from St. Louis to Miami

$

St. Louis (STL)to

Miami (MIA)
Depart: 12/08/2026

One-way

Basic

From
$119
Seen: 18 hrs ago

St. Louis (STL)to

Miami (MIA)
Depart: 11/02/2026

One-way

Basic

From
$119
Seen: 23 hrs ago

St. Louis (STL)to

Miami (MIA)
Depart: 11/09/2026

One-way

Basic

From
$119
Seen: 12 hrs ago

St. Louis (STL)to

Miami (MIA)
Depart: 12/09/2026

One-way

Basic

From
$119
Seen: 13 hrs ago

St. Louis (STL)to

Miami (MIA)
Depart: 10/12/2026

One-way

Basic

From
$119
Seen: 6 hrs ago

St. Louis (STL)to

Miami (MIA)
Depart: 10/21/2026

One-way

Basic

From
$119
Seen: 2 hrs 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 St. Louis to Miami

Sep 2026
From$214*
Seen: 9 hrs ago
One Way/Basic
Oct 2026
From$119*
Seen: 7 hrs ago
One Way/Basic
Nov 2026
From$119*
Seen: 23 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $119
cmp-daily-histogram-bars-legend-max-price-aria-label $260
Displaying fares for September-2026
  • STL–MIA, 09/10/2026: From $241
    10

    Thu

    SEP

  • STL–MIA, 09/11/2026: From $241
    11

    Fri

  • STL–MIA, 09/12/2026: From $214
    12

    Sat

  • STL–MIA, 09/13/2026: From $260
    13

    Sun

  • STL–MIA, 09/14/2026: From $241
    14

    Mon

  • STL–MIA, 09/15/2026: From $214
    15

    Tue

  • STL–MIA, 09/16/2026: From $214
    16

    Wed

  • STL–MIA, 09/17/2026: From $241
    17

    Thu

  • STL–MIA, 09/18/2026: From $251
    18

    Fri

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

    Sat

  • STL–MIA, 09/20/2026: From $241
    20

    Sun

  • STL–MIA, 09/21/2026: From $241
    21

    Mon

  • STL–MIA: cmp-view-offers-disclaimer. Find Offers
    22

    Tue

  • STL–MIA, 09/23/2026: From $214
    23

    Wed

  • STL–MIA, 09/24/2026: From $217
    24

    Thu

  • STL–MIA, 09/25/2026: From $227
    25

    Fri

  • STL–MIA, 09/26/2026: From $214
    26

    Sat

  • STL–MIA, 09/27/2026: From $241
    27

    Sun

  • STL–MIA, 09/28/2026: From $217
    28

    Mon

  • STL–MIA, 09/29/2026: From $214
    29

    Tue

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

    Wed

  • STL–MIA, 10/01/2026: From $134
    01

    Thu

    OCT

  • STL–MIA, 10/02/2026: From $227
    02

    Fri

  • STL–MIA, 10/03/2026: From $119
    03

    Sat

  • STL–MIA, 10/04/2026: From $241
    04

    Sun

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

    Mon

  • STL–MIA, 10/06/2026: From $119
    06

    Tue

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

    Wed

  • STL–MIA, 10/08/2026: From $193
    08

    Thu

  • STL–MIA, 10/09/2026: From $204
    09

    Fri

    • Range$119-$260

    *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.

    Explore Flights from Other Popular Origins

    Popular Flights from St. Louis