Southwest® flights from St. Louis to West Palm Beach from $165

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Low fares from St. Louis to West Palm Beach

$

St. Louis (STL)to

West Palm Beach (PBI)
Depart: 09/11/2026

One-way

Basic

From
$165
Seen: 10 hrs ago

St. Louis (STL)to

West Palm Beach (PBI)
Depart: 09/10/2026

One-way

Basic

From
$169
Seen: 9 hrs ago

St. Louis (STL)to

West Palm Beach (PBI)
Depart: 08/18/2026

One-way

Basic

From
$170
Seen: 7 minutes ago

St. Louis (STL)to

West Palm Beach (PBI)
Depart: 08/22/2026

One-way

Basic

From
$170
Seen: 10 hrs ago

St. Louis (STL)to

West Palm Beach (PBI)
Depart: 08/19/2026

One-way

Basic

From
$170
Seen: 7 hrs ago

St. Louis (STL)to

West Palm Beach (PBI)
Depart: 08/26/2026

One-way

Basic

From
$170
Seen: 40 minutes ago

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Explore flights from St. Louis to West Palm Beach

Aug 2026
From$170*
Seen: 7 minutes ago
One Way/Basic
Sep 2026
From$165*
Seen: 10 hrs ago
One Way/Basic
Oct 2026
From$174*
Seen: 2 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $170
cmp-daily-histogram-bars-legend-max-price-aria-label $325
Displaying fares for August-2026
  • STL–PBI, 08/03/2026: From $325
    03

    Mon

    AUG

  • STL–PBI, 08/04/2026: From $261
    04

    Tue

  • STL–PBI, 08/05/2026: From $261
    05

    Wed

  • STL–PBI: cmp-view-offers-disclaimer. Find Offers
    06

    Thu

  • STL–PBI, 08/07/2026: From $285
    07

    Fri

  • STL–PBI, 08/08/2026: From $265
    08

    Sat

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

    Sun

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

    Mon

  • STL–PBI, 08/11/2026: From $261
    11

    Tue

  • STL–PBI, 08/12/2026: From $261
    12

    Wed

  • STL–PBI, 08/13/2026: From $290
    13

    Thu

  • STL–PBI, 08/14/2026: From $285
    14

    Fri

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

    Sat

  • STL–PBI, 08/16/2026: From $240
    16

    Sun

  • STL–PBI, 08/17/2026: From $206
    17

    Mon

  • STL–PBI, 08/18/2026: From $170
    18

    Tue

  • STL–PBI, 08/19/2026: From $170
    19

    Wed

  • STL–PBI, 08/20/2026: From $206
    20

    Thu

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

    Fri

  • STL–PBI, 08/22/2026: From $170
    22

    Sat

  • STL–PBI, 08/23/2026: From $239
    23

    Sun

  • STL–PBI, 08/24/2026: From $192
    24

    Mon

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

    Tue

  • STL–PBI, 08/26/2026: From $170
    26

    Wed

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

    Thu

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

    Fri

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

    Sat

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

    Sun

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

    Mon

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

    Tue

    SEP

  • STL–PBI: cmp-view-offers-disclaimer. Find Offers
    02

    Wed

    • Range$170-$325

    *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:
    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.

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