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

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Low fares from Miami to St. Louis

$

Miami (MIA)to

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

One-way

Basic

From
$124
Seen: 23 hrs ago

Miami (MIA)to

St. Louis (STL)
Depart: 09/22/2026

One-way

Basic

From
$124
Seen: 8 hrs ago

Miami (MIA)to

St. Louis (STL)
Depart: 09/05/2026

One-way

Basic

From
$124
Seen: 6 hrs ago

Miami (MIA)to

St. Louis (STL)
Depart: 09/29/2026

One-way

Basic

From
$124
Seen: 54 minutes ago

Miami (MIA)to

St. Louis (STL)
Depart: 09/15/2026

One-way

Basic

From
$124
Seen: 5 hrs ago

Miami (MIA)to

St. Louis (STL)
Depart: 08/31/2026

One-way

Basic

From
$134
Seen: 11 hrs ago

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Explore flights from Miami to St. Louis

Aug 2026
From$134*
Seen: 11 hrs ago
One Way/Basic
Sep 2026
From$124*
Seen: 8 hrs ago
One Way/Basic
Oct 2026
From$124*
Seen: 23 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $134
cmp-daily-histogram-bars-legend-max-price-aria-label $246
Displaying fares for August-2026
  • MIA–STL, 08/01/2026: From $214
    01

    Sat

    AUG

  • MIA–STL, 08/02/2026: From $231
    02

    Sun

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

    Mon

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

    Tue

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

    Wed

  • MIA–STL, 08/06/2026: From $231
    06

    Thu

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

    Fri

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

    Sat

  • MIA–STL, 08/09/2026: From $246
    09

    Sun

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

    Mon

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

    Tue

  • MIA–STL, 08/12/2026: From $204
    12

    Wed

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

    Thu

  • MIA–STL, 08/14/2026: From $198
    14

    Fri

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

    Sat

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

    Sun

  • MIA–STL: cmp-view-offers-disclaimer. Find Offers
    17

    Mon

  • MIA–STL, 08/18/2026: From $204
    18

    Tue

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

    Wed

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

    Thu

  • MIA–STL, 08/21/2026: From $195
    21

    Fri

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

    Sat

  • MIA–STL, 08/23/2026: From $208
    23

    Sun

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    24

    Mon

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

    Tue

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

    Wed

  • MIA–STL: cmp-view-offers-disclaimer. Find Offers
    27

    Thu

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

    Fri

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

    Sat

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

    Sun

  • MIA–STL, 08/31/2026: From $134
    31

    Mon

    • Range$134-$246

    *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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