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

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Low fares from Miami to St. Louis

$

Miami (MIA)to

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

One-way

Basic

From
$104
Seen: 10 hrs ago

Miami (MIA)to

St. Louis (STL)
Depart: 09/24/2026

One-way

Basic

From
$104
Seen: 10 hrs ago

Miami (MIA)to

St. Louis (STL)
Depart: 10/03/2026

One-way

Basic

From
$104
Seen: 12 hrs ago

Miami (MIA)to

St. Louis (STL)
Depart: 10/01/2026

One-way

Basic

From
$104
Seen: 18 hrs ago

Miami (MIA)to

St. Louis (STL)
Depart: 09/16/2026

One-way

Basic

From
$104
Seen: 17 hrs ago

Miami (MIA)to

St. Louis (STL)
Depart: 11/14/2026

One-way

Basic

From
$104
Seen: 14 hrs ago

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Explore flights from Miami to St. Louis

Aug 2026
From$204*
Seen: 7 hrs ago
One Way/Basic
Sep 2026
From$104*
Seen: 23 hrs ago
One Way/Basic
Oct 2026
From$104*
Seen: 23 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $104
cmp-daily-histogram-bars-legend-max-price-aria-label $350
Displaying fares for August-2026
  • MIA–STL, 08/21/2026: From $241
    21

    Fri

    AUG

  • MIA–STL, 08/22/2026: From $204
    22

    Sat

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

    Sun

  • MIA–STL, 08/24/2026: From $241
    24

    Mon

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

    Tue

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

    Wed

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

    Thu

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

    Fri

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

    Sat

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

    Sun

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

    Mon

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

    Tue

    SEP

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

    Wed

  • MIA–STL, 09/03/2026: From $178
    03

    Thu

  • MIA–STL, 09/04/2026: From $231
    04

    Fri

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

    Sat

  • MIA–STL, 09/06/2026: From $185
    06

    Sun

  • MIA–STL, 09/07/2026: From $350
    07

    Mon

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

    Tue

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

    Wed

  • MIA–STL: cmp-view-offers-disclaimer. Find Offers
    10

    Thu

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

    Fri

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

    Sat

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    13

    Sun

  • MIA–STL, 09/14/2026: From $145
    14

    Mon

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

    Tue

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

    Wed

  • MIA–STL, 09/17/2026: From $104
    17

    Thu

  • MIA–STL, 09/18/2026: From $145
    18

    Fri

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

    Sat

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

    Sun

    • Range$104-$350

    *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:
    Miami International Airport
    Arriving at:
    Lambert-St Louis Int'l Airport
    Average flight time:
    2 hours 53 minutes
    Distance:
    1068 miles

    Route Information

    108† 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 Miami to St. Louis is 2 hours 53 minutes.
    There are 108 weekly flights from Miami to St. Louis on Southwest Airlines.
    Yes, Southwest flies nonstop from Miami to St. Louis once per day from Monday through Friday.
    Yes, Southwest flies nonstop from Miami to St. Louis 2 times per day on Saturdays and Sundays.
    To find the lowest fares by day and time to fly Miami 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 Miami 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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