$164 Cheap Flights from St. Louis (STL) to Philipsburg (SXM)

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Princess Juliana Intl. Airport (SXM)

Find available prices by choosing your travel dates.

Cheap Flights from St. Louis to Philipsburg (STL-SXM)

Prices were available within the past 7 days and start at $164 for one-way flights and $413 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
American Airlines
Delta
United
Copa

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Princess Juliana Intl. Airport (SXM) cost?
Discover the latest flight deals from STL to SXM 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 SXM?
The cheapest flights from STL to SXM 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 SXM?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from STL to SXM. 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 Princess Juliana Intl. Airport (SXM)?
You’ll need to catch a flight with a layover when traveling from Lambert-St. Louis Intl. Airport (STL) to Princess Juliana Intl. Airport (SXM). Direct flights don’t operate daily on this route. However, just filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from STL to SXM?
Generally you’ll have the most choice when it comes to flights on a Friday. Tuesdays tend to be the quietest.* But this can change depending on the season, carrier 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 Princess Juliana Intl. Airport (SXM)?
To reach Princess Juliana Intl. Airport (SXM) without delays, opt for a flight that leaves Lambert-St. Louis Intl. Airport (STL) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**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.
Is it cheaper to buy a plane ticket from Lambert-St. Louis Intl. Airport (STL) to Princess Juliana Intl. Airport (SXM) last-minute?
Booking your plane ticket from STL to SXM shortly before your getaway is usually more expensive. However, if you’re flexible with your departure times and dates, you could score a cheap last-minute fare.
Is it cheaper to book a STL to SXM flight and hotel package?
You’ll typically save money by securing a STL to SXM 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 it all in one place. After choosing your ideal accommodations and flights, consider adding extras such as tours, car rentals and activities.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Princess Juliana Intl. Airport (SXM)?
If you reserved your STL to SXM flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for more information.
*Available to One Key members.