$413 Cheap Flights from St. Thomas (STT) to Ponce (PSE)

View $413 flight on Fri, Nov 21, 2025Opens in a new window

Popular airlines from Cyril E. King Airport (STT) to Ponce (PSE-Mercedita)

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Cheap Flights from St. Thomas to Ponce (STT-PSE)

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

Flights from St. Thomas (STT) to Ponce (PSE)
Origin airport
Cyril E. King
Destination airport
Mercedita
Distance
106 mi

St. Thomas to Ponce Flights

The cheapest times to fly from St. Thomas to Ponce

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. Thomas to Ponce are during the month of . You can find some of the cheapest flights from St. Thomas to Ponce with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. Thomas to Ponce

Sunday is one of the best days to book for cheap flights from St. Thomas to Ponce: 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. Thomas to Ponce

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. Thomas to Ponce in 2025. You can also book with separate airlines for your outbound and return journeys, from $413 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. Thomas to Ponce 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. Thomas to Ponce 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 Cyril E. King Airport (STT) to Mercedita Airport (PSE) cost?
Secure a cheap one-way flight from $413 or cheap return flight from Cyril E. King Airport (STT) to Mercedita Airport (PSE) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Cyril E. King Airport (STT) to Mercedita Airport (PSE)?
is the least expensive month to fly from STT to PSE. Traveling during quieter months is often the key to finding better fares.
What is the cheapest airline that flies from Cyril E. King Airport (STT) to Mercedita Airport (PSE)?
To find the cheapest airline that'll fly you from STT to PSE, use Expedia's filter tool. Tailor your search based on your travel style, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Cyril E. King Airport (STT) to Mercedita Airport (PSE)?
Direct flights from Cyril E. King Airport (STT) to Mercedita Airport (PSE) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from STT to PSE?
Usually you'll find the widest variety of flight choices on a Friday. Tuesdays are often the quietest.* However, 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 Cyril E. King Airport (STT) to Mercedita Airport (PSE)?
To reach Mercedita Airport (PSE) on time, choose a flight that leaves Cyril E. King Airport (STT) before 3 PM. The chance 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.
What airports do you fly into for Ponce from Cyril E. King Airport (STT)?
Explore your flight options from Cyril E. King Airport (STT) to Luis Munoz Marin Intl. Airport (SJU). This is the only airport in Ponce you can land at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Cyril E. King Airport (STT) to Mercedita Airport (PSE) last-minute?
Booking your ticket from STT to PSE right before your trip is generally more expensive. However, if there's some wiggle room with your departure times and dates, you could bag a cheap last-minute fare.
Is it cheaper to book a STT to PSE flight and hotel package?
Securing a STT to PSE flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Choose from our extensive range of stays and then add flights, car rentals and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Cyril E. King Airport (STT) to Mercedita Airport (PSE)?
In most instances, you can cancel or modify your STT to PSE flight. However, additional charges may apply, especially if you made your booking more than 24 hours ago. Check your itinerary for the airline's fees and policies on flight changes, or if you'd like more details, go to our Customer Service portal.

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