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

Popular airlines from St. Louis Lambert Intl. Airport (STL) to West Palm Beach, FL (LNA-Lantana)

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Alternative airports near West Palm Beach

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Palm Beach Intl. PBI. Cheapest and Closest option available. Average driving time to city center is 7 minutes. Flights from $394
PBI
Palm Beach Intl.
CheapestClosest
Average driving time to city center7 min
Flights from $394
Flights from St. Louis (STL) to West Palm Beach (LNA)
Origin airport
Lambert-St. Louis Intl.
Destination airport
Lantana
Distance
1029 mi

St. Louis to West Palm Beach Flights

The cheapest times to fly from St. Louis to West Palm Beach

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from St. Louis to West Palm Beach are during the month of . You can find some of the cheapest flights from St. Louis to West Palm Beach with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. Louis to West Palm Beach

Sunday is one of the best days to book for cheap flights from St. Louis to West Palm Beach: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from St. Louis to West Palm Beach

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from St. Louis to West Palm Beach in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap St. Louis to West Palm Beach flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your St. Louis to West Palm Beach airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to West Palm Beach, FL (LNA-Lantana) cost?
Lock in a cheap one-way flight or cheap return flight from Lambert-St. Louis Intl. Airport (STL) to West Palm Beach, FL (LNA-Lantana) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Lambert-St. Louis Intl. Airport (STL) to West Palm Beach, FL (LNA-Lantana)?
The cheapest month to fly from STL to LNA is , when there's less demand. Off-peak months are generally when airlines offer lower prices between these airports.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to West Palm Beach, FL (LNA-Lantana)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest STL to LNA flight.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to West Palm Beach, FL (LNA-Lantana)?
Direct flights from Lambert-St. Louis Intl. Airport (STL) to West Palm Beach, FL (LNA-Lantana) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from STL to LNA?
Generally you'll find the widest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* But this can vary depending on the season, airline and other factors.*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 West Palm Beach, FL (LNA-Lantana)?
To reach West Palm Beach, FL (LNA-Lantana) on schedule, choose a flight that leaves from Lambert-St. Louis Intl. Airport (STL) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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 Lake Worth from Lambert-St. Louis Intl. Airport (STL)?
You can arrive at Miami Intl. Airport (MIA) or Fort Lauderdale - Hollywood Intl. Airport (FLL) when you travel to Lake Worth on a direct flight from Lambert-St. Louis Intl. Airport (STL).
Is it cheaper to buy a plane ticket from Lambert-St. Louis Intl. Airport (STL) to West Palm Beach, FL (LNA-Lantana) last-minute?
Holding off until right before your break to book your flight from STL to LNA often results in higher prices. While you may come across some last-minute discounts, they aren't always guaranteed. Keep your travel plans flexible to boost your chances of scoring a bargain.
Is it cheaper to book a STL to LNA flight and hotel package?
You'll typically save money by booking a STL to LNA flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. Once you've selected your ideal accommodations and flights, you can add extras such as tours, activities and car rentals.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to West Palm Beach, FL (LNA-Lantana)?
If you reserved your STL to LNA flight within the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of fare 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, head to our Customer Service portal for more details.

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