$143 Cheap Flights from St. Louis (STL) to West Palm Beach (PBI)

View $143 flight on Wed, Jun 11, 2025Opens in a new window

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Find available prices by choosing your travel dates.

Cheap Flights from St. Louis to West Palm Beach (STL-PBI)

Prices were available within the past 7 days and start at $143 for one-way flights and $285 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Wed, May 21 - Wed, May 28
STL
St. Louis
PBI
West Palm Beach
$285 Roundtrip, found 5 days ago
$285
Roundtrip
found 5 days ago
Select Southwest Airlines flight, departing Wed, May 21 from St. Louis to West Palm Beach, returning Wed, May 28, priced at $285 found 5 days ago
American Airlines
Tue, Jul 1 - Sat, Jul 5
STL
St. Louis
PBI
West Palm Beach
$285 Roundtrip, found 7 hours ago
$285
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Tue, Jul 1 from St. Louis to West Palm Beach, returning Sat, Jul 5, priced at $285 found 7 hours ago
Delta
Wed, May 28 - Tue, Jun 10
STL
St. Louis
PBI
West Palm Beach
$285 Roundtrip, just found
$285
Roundtrip
just found
Select Delta flight, departing Wed, May 28 from St. Louis to West Palm Beach, returning Tue, Jun 10, priced at $285 just found
United
Sun, May 11 - Tue, May 20
STL
St. Louis
PBI
West Palm Beach
$285 Roundtrip, found 4 days ago
$285
Roundtrip
found 4 days ago
Select United flight, departing Sun, May 11 from St. Louis to West Palm Beach, returning Tue, May 20, priced at $285 found 4 days ago
Delta
Tue, Jul 1 - Sat, Jul 5
STL
St. Louis
PBI
West Palm Beach
$289 Roundtrip, found 7 hours ago
$289
Roundtrip
found 7 hours ago
Select Delta flight, departing Tue, Jul 1 from St. Louis to West Palm Beach, returning Sat, Jul 5, priced at $289 found 7 hours ago
Southwest Airlines
Wed, May 21 - Wed, May 28
STL
St. Louis
PBI
West Palm Beach
$290 Roundtrip, found 5 days ago
$290
Roundtrip
found 5 days ago
Select Southwest Airlines flight, departing Wed, May 21 from St. Louis to West Palm Beach, returning Wed, May 28, priced at $290 found 5 days ago
Southwest Airlines
Tue, Jul 1 - Sat, Jul 5
STL
St. Louis
PBI
West Palm Beach
$296 Roundtrip, found 7 hours ago
$296
Roundtrip
found 7 hours ago
Select Southwest Airlines flight, departing Tue, Jul 1 from St. Louis to West Palm Beach, returning Sat, Jul 5, priced at $296 found 7 hours ago
Delta
Sat, Aug 23 - Sat, Aug 30
STL
St. Louis
PBI
West Palm Beach
$301 Roundtrip, found 3 hours ago
$301
Roundtrip
found 3 hours ago
Select Delta flight, departing Sat, Aug 23 from St. Louis to West Palm Beach, returning Sat, Aug 30, priced at $301 found 3 hours ago
Southwest Airlines
Mon, Jun 30 - Fri, Jul 4
STL
St. Louis
PBI
West Palm Beach
$302 Roundtrip, found 4 hours ago
$302
Roundtrip
found 4 hours ago
Select Southwest Airlines flight, departing Mon, Jun 30 from St. Louis to West Palm Beach, returning Fri, Jul 4, priced at $302 found 4 hours ago
Delta
Tue, May 27 - Fri, May 30
STL
St. Louis
PBI
West Palm Beach
$303 Roundtrip, found 5 hours ago
$303
Roundtrip
found 5 hours ago
Select Delta flight, departing Tue, May 27 from St. Louis to West Palm Beach, returning Fri, May 30, priced at $303 found 5 hours ago

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Palm Beach Intl. Airport (PBI) cost?
Discover the latest flight deals from STL to PBI by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from STL to PBI?
The cheapest flights from STL to PBI are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from STL to PBI?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from STL to PBI. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Palm Beach Intl. Airport (PBI)?
There aren’t any daily nonstop flights from Lambert-St. Louis Intl. Airport (STL) to Palm Beach Intl. Airport (PBI). But you can choose flights with layovers. Filter your search results on Expedia to include one or two stops, and you’ll be on your way before you know it.
What day of the week has the most flights from STL to PBI?
You’ll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to Palm Beach Intl. Airport (PBI)?
To avoid potential delays on the Lambert-St. Louis Intl. Airport (STL) to Palm Beach Intl. Airport (PBI) route, fly before 3 PM. Later flights have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for West Palm Beach from Lambert-St. Louis Intl. Airport (STL)?
If you’re traveling on a direct flight from Lambert-St. Louis Intl. Airport (STL) to West Palm Beach, Fort Lauderdale - Hollywood Intl. Airport (FLL) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from Lambert-St. Louis Intl. Airport (STL) to Palm Beach Intl. Airport (PBI) last-minute?
Booking your flight from STL to PBI right before your journey is typically more expensive. But if you’re flexible with your departure times and dates, you could land a cheap last-minute fare.
Is it cheaper to book a STL to PBI flight and hotel package?
Compared with arranging hotels and flights separately, booking a STL to PBI flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one convenient place will take the stress out of travel planning. Simply secure your flights and select from our wide range of hotels, then tailor your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Palm Beach Intl. Airport (PBI)?
If you reserved your STL to PBI flight in the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the fare type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you want more information.
*Available to One Key members.