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Find low faresSouthwest® flights from St. Louis to West Palm Beach from $161
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Low fares from St. Louis to West Palm Beach
$
St. Louis (STL)to
West Palm Beach (PBI)
Depart: 04/01/2026
One-way
Basic
From
$161
Seen: 11 hrs ago
St. Louis (STL)to
West Palm Beach (PBI)
Depart: 05/06/2026
One-way
Basic
From
$161
Seen: 7 hrs ago
St. Louis (STL)to
West Palm Beach (PBI)
Depart: 04/15/2026
One-way
Basic
From
$161
Seen: 1 hour ago
St. Louis (STL)to
West Palm Beach (PBI)
Depart: 04/07/2026
One-way
Basic
From
$161
Seen: 10 hrs ago
St. Louis (STL)to
West Palm Beach (PBI)
Depart: 02/21/2026
One-way
Basic
From
$165
Seen: 6 hrs ago
St. Louis (STL)to
West Palm Beach (PBI)
Depart: 04/23/2026
One-way
Basic
From
$166
Seen: 5 hrs ago
Explore flights from St. Louis to West Palm Beach
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Flight Details
Departing from:
Lambert-St Louis Int'l Airport
Arriving at:
Palm Beach International Airport
Distance:
1023 miles
Route Information
84† Weekly flights
† 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
There are 84 weekly flights from St. Louis to West Palm Beach on Southwest Airlines.
To find the lowest fares by day and time to fly St. Louis to West Palm Beach with Southwest, check out our Low Fare Calendar.
You can rent a car at Palm Beach International Airport book yours with your flight.
Yes! Flights from St. Louis to West Palm Beach—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.