Southwest® flights from Miami to St. Louis from $134

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Low fares from Miami to St. Louis

$

Miami (MIA)to

St. Louis (STL)
Depart: 04/18/2026

One-way

Basic

From
$134
Seen: 2 hrs ago

Miami (MIA)to

St. Louis (STL)
Depart: 02/21/2026

One-way

Basic

From
$137
Seen: 4 hrs ago

Miami (MIA)to

St. Louis (STL)
Depart: 03/17/2026

One-way

Basic

From
$140
Seen: 9 hrs ago

Miami (MIA)to

St. Louis (STL)
Depart: 03/11/2026

One-way

Basic

From
$140
Seen: 16 hrs ago

Miami (MIA)to

St. Louis (STL)
Depart: 02/24/2026

One-way

Basic

From
$140
Seen: 13 hrs ago

Miami (MIA)to

St. Louis (STL)
Depart: 03/24/2026

One-way

Basic

From
$140
Seen: 4 hrs ago

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Explore flights from Miami to St. Louis

*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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