Cheap flights from San Juan to Saint Thomas Island (STT)
SJU — STT
Nov 24 — Dec 11
Round-trip
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from San Juan to Saint Thomas Island Cyril E King are usually found in March or October, booked 79 days in advance, depart on a Friday or Thursday and return on a Wednesday
Find flight deals from San Juan to Saint Thomas Island
Discover tips and strategies to find the most affordable flight options for your journey from San Juan (PR1) to Saint Thomas Island (STT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 25, 2026.
Popular in | August |
|---|---|
Cheapest in | March |
Average price | $188 |
Best time to book a flight from San Juan to Saint Thomas Island
Have a flexible travel schedule? Discover the best time to fly to Saint Thomas Island from San Juan with our price prediction graph.
PR1-STT
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from San Juan to Saint Thomas Island
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How far ahead should I book a flight from San Juan to Saint Thomas Island?
The price you pay for your flight from San Juan to Saint Thomas Island may vary depending on when you book. For the best chance of a lower fare, look to book 68 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from San Juan to Saint Thomas Island?
Currently, March is the cheapest month in which you can book a flight from San Juan to Saint Thomas Island (average of $188). Flying from San Juan to Saint Thomas Island in August is currently the most expensive (average of $363). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from SJU to STT?
Find hourly flight availability from San Juan to Saint Thomas Island. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 25, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from San Juan to Saint Thomas Island as you normally would.
How often are flights from San Juan to Saint Thomas Island delayed?
About 13% of weekly flights between San Juan and Saint Thomas Island have experienced delays in the past year, with the average delay time being 83 minutes.
What is the most punctual flight time for San Juan to Saint Thomas Island flights?
Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Sunday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on San Juan to Saint Thomas Island flights?
Over the last year, Cape Air have had the lowest number of delays on this route, with just 10% of flights being delayed.
Reviews of airlines servicing Saint Thomas Island
Get insights into the airlines that provide service to Saint Thomas Island. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Saint Thomas Island. Reviews last updated October 25, 2026.
Read through reviews of airlines operating flights from San Juan to Saint Thomas Island, such as Cape Air and JetBlue. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Related info for your journey
Find useful and relevant information for your journey from San Juan to Saint Thomas Island. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Saint Thomas Island?
Book flights to Saint Thomas Island if you plan to visit one of these locationsSt. John
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San Juan and Saint Thomas Island flights
Browse other San Juan and Saint Thomas Island flight options. Last updated on October 25, 2026.
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Other flights to Saint Thomas Island
Explore flights to Saint Thomas Island departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 25, 2026.
Top 2 airlines flying from San Juan to Saint Thomas Island
Discover the top 2 airlines that operate flights from San Juan to Saint Thomas Island. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$118 | Average$222 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$204 | Average$435 | FlexibilityNo cancel fee | On-time63% |