Southwest® flights from St. Louis to Miami from $123

Promo Code

Low fares from St. Louis to Miami

$

St. Louis (STL)to

Miami (MIA)
Depart: 01/12/2027

One-way

Basic

From
$123
Seen: 17 hrs ago

St. Louis (STL)to

Miami (MIA)
Depart: 01/18/2027

One-way

Basic

From
$123
Seen: 11 hrs ago

St. Louis (STL)to

Miami (MIA)
Depart: 01/11/2027

One-way

Basic

From
$123
Seen: 6 hrs ago

St. Louis (STL)to

Miami (MIA)
Depart: 01/05/2027

One-way

Basic

From
$123
Seen: 1 hour ago

St. Louis (STL)to

Miami (MIA)
Depart: 12/14/2026

One-way

Basic

From
$123
Seen: 22 hrs ago

St. Louis (STL)to

Miami (MIA)
Depart: 12/15/2026

One-way

Basic

From
$123
Seen: 18 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

Nov 2026
From$199*
Seen: 15 hrs ago
One Way/Basic
Dec 2026
From$123*
Seen: 22 hrs ago
One Way/Basic
Jan 2027
From$123*
Seen: 15 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $130
cmp-daily-histogram-bars-legend-max-price-aria-label $321
Displaying fares for November-2026
  • STL–MIA, 11/11/2026: From $239
    11

    Wed

    NOV

  • STL–MIA, 11/12/2026: From $266
    12

    Thu

  • STL–MIA, 11/13/2026: From $266
    13

    Fri

  • STL–MIA, 11/14/2026: From $239
    14

    Sat

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

    Sun

  • STL–MIA, 11/16/2026: From $219
    16

    Mon

  • STL–MIA, 11/17/2026: From $219
    17

    Tue

  • STL–MIA, 11/18/2026: From $219
    18

    Wed

  • STL–MIA, 11/19/2026: From $219
    19

    Thu

  • STL–MIA, 11/20/2026: From $229
    20

    Fri

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

    Sat

  • STL–MIA, 11/22/2026: From $229
    22

    Sun

  • STL–MIA, 11/23/2026: From $199
    23

    Mon

  • STL–MIA, 11/24/2026: From $199
    24

    Tue

  • STL–MIA, 11/25/2026: From $209
    25

    Wed

  • STL–MIA, 11/26/2026: From $199
    26

    Thu

  • STL–MIA, 11/27/2026: From $209
    27

    Fri

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

    Sat

  • STL–MIA, 11/29/2026: From $321
    29

    Sun

  • STL–MIA, 11/30/2026: From $266
    30

    Mon

  • STL–MIA, 12/01/2026: From $135
    01

    Tue

    DEC

  • STL–MIA, 12/02/2026: From $130
    02

    Wed

  • STL–MIA, 12/03/2026: From $200
    03

    Thu

  • STL–MIA, 12/04/2026: From $222
    04

    Fri

  • STL–MIA, 12/05/2026: From $130
    05

    Sat

  • STL–MIA, 12/06/2026: From $266
    06

    Sun

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

    Mon

  • STL–MIA, 12/08/2026: From $130
    08

    Tue

  • STL–MIA, 12/09/2026: From $133
    09

    Wed

  • STL–MIA, 12/10/2026: From $210
    10

    Thu

    • Range$130-$321

    *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

    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