The cheapest times to fly from SJU to STT are

  • January 1st to February 25th (except the week of February 12th)
  • August 6th to December 23rd (except the week of November 19th)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from SJU to STT is late October. Prices can be as high as $198 for Friday flights during late December, or as low as $109 for Sunday flights around late October.


When to Fly to Saint Thomas

Flying from San Juan, PR (SJU) to Charlotte Amalie, VI (STT) will usually cost between $110 to $171 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late October with an average ticket price of $109. Due to high demand the most expensive time to fly is late December, with an average price of $156. Planning your trip to low-cost times can easily save you $47 on economy flights and even more on first-class flights. Generally, any price below $122 can be considered a good price for a round-trip SJU to STT flight.

See below for a graph of average weekly prices for the SJU to STT route. All prices are for round-trip tickets in USD.

SJU to STT Flight Prices

Compared to other flights, the SJU to STT flight is much cheaper than the average and costs much less than the average flight leaving from San Juan. The average price per mile (for a direct flight) is $1.12, which is above average.


Flight Prices by Day of the Week

Sunday is usually the cheapest day to depart and return on this flight. Fridays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $24 (17%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Sunday and returning a week later will cost an average of $119. Return trip prices are from the STT to SJU flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from SJU to STT can generally find a 0-layover flight. Because there is a direct flight option the real-world direct flight time of 1 hour 6 minutes may be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is a nonstop flight from SJU to STT while comparing.

Destination alternative #1: Eugenio Maria de Hostos Airport (MAZ) in Mayaguez, PR

  • 143 miles (230 km) away from STT
  • Usually 35.80% less expensive than STT
  • Nonstop flights available

See SJU to MAZ flights


Flight Questions Answered

Still have questions about flying from SJU to STT? We’ve got answers.

Which airlines fly this route?

You can find 8 major airlines flying this route most often: American, Cape Air, Delta, JetBlue, Seaborne Airlines, Silver Airways, Spirit, United, and potentially more during busy seasons.

How far away is it from Cyril E King Airport to Luis Munoz Marin International Airport?

The distance between the two airports is roughly 68 miles or 109 kilometers.

How long does it take to fly from SJU to STT?

The real-world flight time for a nonstop SJU to STT flight is about 1 hour 6 minutes.

How many flights go between San Juan, PR and Charlotte Amalie, VI?

It depends on the day of the week and the date, but a typical day might have around 72 available flights from SJU to STT.


Airport Location Info


Departing Airport

Origination code SJU
Origination airport name Luis Munoz Marin International Airport
City San Juan, PR
Country the United States
Latitude 18.4
Longitude -66

Return Airport

Destination code STT
Destination airport name Cyril E King Airport
City Charlotte Amalie, VI
Country the United States
Latitude 18.3
Longitude -65


Late and Early Flight Data

Flights from SJU to STT tend to depart later than the average flight. According to our recently updated data, 40% of flights departed 5 or more minutes late, and 29% of flights left 5 or more minutes early. On average you can expect to leave STT heading for SJU about 37 minutes late. This does significantly impact arrival time, as the average landing time in Charlotte Amalie, VI is about 34 minutes late. The numbers below show a recent average of take-off times versus the scheduled departure flight:

  • JetBlue: 37 minutes late
  • Some airlines not reporting


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.