Saint Thomas Island

$85+ Cheap flights from San Juan to Saint Thomas Island (STT)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/24. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — STT
Apr 1 — Apr 81
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Juan to Saint Thomas Island with Cheapflights

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 May or July, booked 32 days in advance, depart on a Monday or Tuesday and return on a Monday

Cheap flight deals from San Juan to Saint Thomas Island

Cheapest flights from San Juan to Saint Thomas Island
Explore the most affordable flight options available from San Juan to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 2, 2026.

This JetBlue deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/62:00 pm
SJU
-
STT
Nonstop0h 35m
JetBlue
Mon 3/92:30 pm
STT
-
SJU
Nonstop0h 44m
JetBlue
Deal found 3/2$149
This Priceline deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/212:31 pm
SJU
-
STT
Nonstop0h 35m
JetBlue
Mon 3/234:01 pm
STT
-
SJU
Nonstop0h 43m
JetBlue
Deal found 3/1$159
This JetBlue deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/52:00 pm
SJU
-
STT
Nonstop0h 35m
JetBlue
Sun 3/82:30 pm
STT
-
SJU
Nonstop0h 44m
JetBlue
Deal found 2/26$160
This JetBlue deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/911:25 am
SJU
-
STT
Nonstop0h 35m
JetBlue
Mon 4/1312:55 pm
STT
-
SJU
Nonstop0h 50m
JetBlue
Deal found 3/2$169
This JetBlue deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/31:10 pm
SJU
-
STT
Nonstop0h 38m
JetBlue
Fri 5/82:45 pm
STT
-
SJU
Nonstop0h 45m
JetBlue
Deal found 2/28$179
This JetBlue deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/272:31 pm
SJU
-
STT
Nonstop0h 35m
JetBlue
Wed 4/112:55 pm
STT
-
SJU
Nonstop0h 50m
JetBlue
Deal found 2/27$189
This JetBlue deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/282:00 pm
SJU
-
STT
Nonstop0h 35m
JetBlue
Sun 3/13:30 pm
STT
-
SJU
Nonstop0h 47m
JetBlue
Deal found 2/26$199
This JetBlue deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/191:10 pm
SJU
-
STT
Nonstop0h 38m
JetBlue
Fri 5/223:40 pm
STT
-
SJU
Nonstop0h 42m
JetBlue
Deal found 3/2$204
This JetBlue deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/282:31 pm
SJU
-
STT
Nonstop0h 35m
JetBlue
Wed 4/112:55 pm
STT
-
SJU
Nonstop0h 50m
JetBlue
Deal found 2/27$209
This JetBlue deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/282:31 pm
SJU
-
STT
Nonstop0h 35m
JetBlue
Tue 3/3112:55 pm
STT
-
SJU
Nonstop0h 50m
JetBlue
Deal found 2/28$214
This Orbitz deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/11:10 pm
SJU
-
STT
Nonstop0h 38m
Multiple Airlines
Fri 5/810:49 am
STT
-
SJU
1 stop12h 35m
Multiple Airlines
Deal found 3/2$216
This Expedia deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/16:36 pm
SJU
-
STT
1 stop15h 18m
Multiple Airlines
Wed 5/62:45 pm
STT
-
SJU
Nonstop0h 45m
Multiple Airlines
Deal found 2/28$218

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 March 2, 2026.

Round-trip from

$149
(JetBlue)

One-way from

$85
(JetBlue)

Popular in

December

Cheapest in

May

Average price

$126
From San Juan to Saint Thomas Island Cyril E King
One-way flight from San Juan to Saint Thomas Island Cyril E King
Highest demand for flights based on searches. 19% potential increase in price ($38 potential increase over avg. RT price).
Cheapest flight prices on average. 6% potential price decrease ($9 potential savings vs. average RT price).
Average for round-trip flights in March 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Juan to Saint Thomas Island that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 2, 2026.
Use the filters below to find and compare flights from San Juan to Saint Thomas Island that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San JuanSaint Thomas Island

SJU - STT

SJUSTT

San Juan Luis Munoz Marin Intl

Fri 5/1

1:10 pm-1:48 pm

Nonstop0h 38m

Saint Thomas Island Cyril E King

Wed 5/6

2:45 pm-3:30 pm

Nonstop0h 45m

$149

San JuanSaint Thomas Island

SJU - STT

SJUSTT

San Juan Luis Munoz Marin Intl

Sat 3/21

2:31 pm-3:06 pm

Nonstop0h 35m

Saint Thomas Island Cyril E King

Wed 3/25

4:01 pm-4:44 pm

Nonstop0h 43m

$149

San JuanSaint Thomas Island

SJU - STT

SJUSTT

San Juan Luis Munoz Marin Intl

Mon 5/4

1:10 pm-1:48 pm

Nonstop0h 38m

Saint Thomas Island Cyril E King

Thu 5/7

2:45 pm-3:30 pm

Nonstop0h 45m

$169

San JuanSaint Thomas Island

SJU - STT

SJUSTT

San Juan Luis Munoz Marin Intl

Fri 4/17

11:50 am-12:26 pm

Nonstop0h 36m

Saint Thomas Island Cyril E King

Sun 4/19

1:21 pm-2:10 pm

Nonstop0h 49m

$224

San JuanSaint Thomas Island

SJU - STT

SJUSTT

San Juan Luis Munoz Marin Intl

Sat 3/28

2:31 pm-3:06 pm

Nonstop0h 35m

Saint Thomas Island Cyril E King

Fri 4/3

12:55 pm-1:45 pm

Nonstop0h 50m

$234

San JuanSaint Thomas Island

SJU - STT

SJUSTT

San Juan Luis Munoz Marin Intl

Fri 7/24

3:05 pm-3:42 pm

Nonstop0h 37m

Saint Thomas Island Cyril E King

Mon 7/27

4:37 pm-5:21 pm

Nonstop0h 44m

$244

San JuanSaint Thomas Island

SJU - STT

SJUSTT

San Juan Luis Munoz Marin Intl

Thu 4/2

11:25 am-12:00 pm

Nonstop0h 35m

Saint Thomas Island Cyril E King

Sun 4/5

12:55 pm-1:45 pm

Nonstop0h 50m

$249

San JuanSaint Thomas Island

SJU - STT

SJUSTT

San Juan Luis Munoz Marin Intl

Fri 7/3

3:05 pm-3:42 pm

Nonstop0h 37m

Saint Thomas Island Cyril E King

Tue 7/7

4:37 pm-5:21 pm

Nonstop0h 44m

$259

San JuanSaint Thomas Island

SJU - STT

SJUSTT

San Juan Luis Munoz Marin Intl

Sat 3/14

2:45 pm-5:15 pm

1 stop2h 30m

Saint Thomas Island Cyril E King

Wed 3/18

4:01 pm-4:44 pm

Nonstop0h 43m

$263

San JuanSaint Thomas Island

SJU - STT

SJUSTT

San Juan Luis Munoz Marin Intl

Thu 3/26

2:31 pm-3:06 pm

Nonstop0h 35m

Saint Thomas Island Cyril E King

Tue 3/31

1:09 pm-4:39 pm

1 stop3h 30m

$263

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/26

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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.
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

How far ahead should I book a flight from San Juan to Saint Thomas Island?

Use this chart to determine the optimal time to book a round-trip flight from San Juan to Saint Thomas Island. Price data was last updated on February 27, 2026.

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 32 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 $24). Flying from San Juan to Saint Thomas Island in September is currently the most expensive (average of $116). 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 March 2, 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.

Weekly flight availability from San Juan to Saint Thomas Island

Explore weekly flight availability from San Juan to Saint Thomas Island. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated March 2, 2026.

The most flights from PR1 to STT are scheduled on a Saturday (25 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (15 on average).

How much does it cost to fly round-trip from San Juan to Saint Thomas Island?

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 78 minutes.

What is the most punctual flight time for San Juan to Saint Thomas Island flights?

Historically, flights departing at night 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 Monday 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 12% 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 March 2, 2026.
Read through reviews of airlines operating flights from San Juan to Saint Thomas Island, such as Cape Air, United Airlines, and JetBlue. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
9.3
Wonderful

Food

8.8

Comfort

8.7

Crew

9.5

Entertainment

9.0

Overall

9.3

Boarding

9.1
9.3
Wonderful
9.3
Wonderful

Food

8.8

Comfort

8.7

Crew

9.5

Entertainment

9.0

Overall

9.3

Boarding

9.1
9.3
Wonderful

Food

8.8

Comfort

8.7

Crew

9.5

Entertainment

9.0

Overall

9.3

Boarding

9.1
9.3
Wonderful

Food

8.8

Comfort

8.7

Crew

9.5

Entertainment

9.0

Overall

9.3

Boarding

9.1
9.3
Wonderful

Food

8.8

Comfort

8.7

Crew

9.5

Entertainment

9.0

Overall

9.3

Boarding

9.1
Silver Airways
5.7
Fair
9.3
Wonderful

Food

8.8

Comfort

8.7

Crew

9.5

Entertainment

9.0

Overall

9.3

Boarding

9.1

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.
  • What airport do you fly into for flights to Saint Thomas Island from San Juan?

    Saint Thomas Island Cyril E King (STT), located 2.8 mi from the city center, is the airport you fly into when you book flights from San Juan to Saint Thomas Island. 5 airlines have flights to Cyril E King from San Juan on a regular basis. Booking flights from San Juan to Saint Thomas Island Cyril E King should not be difficult; the airport handles an average of 19 inbound flights from San Juan per day.

  • How long is the flight from San Juan to Saint Thomas Island?

    Departing from San Juan to Saint Thomas Island will take you 38m. The distance from San Juan to Saint Thomas Island is about 68 mi. Most flights are nonstop.

  • What are the cheapest airlines flying from San Juan to Saint Thomas Island round-trip?

    Currently priced at $29, Frontier will fly you from San Juan to Saint Thomas Island and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Silver Airways and United Airlines - these airlines can fly you to your destination from $86 and $90, respectively. These flights start at 81% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from San Juan to Saint Thomas Island one-way?

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $29. Silver Airways flights start at $58 while deals on JetBlue start at $64 one-way.

  • What are the most reliable airlines from San Juan to Saint Thomas Island?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from San Juan to Saint Thomas Island on time: United Airlines (86%), JetBlue (72%), Cape Air (57%).

  • What are the cheapest flights from San Juan to Saint Thomas Island?

    On average you can expect to pay $168 for a flight from San Juan to Saint Thomas Island. The cheapest flight overall is $58 while the most popular route, (San Juan Luis Munoz Marin Intl - Saint Thomas Island Cyril E King) is currently priced at $109.

  • Can I find deals for flights from San Juan to Saint Thomas Island that include hotel bookings?

    Yes. In addition to deals on San Juan to Saint Thomas Island flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Juan to Saint Thomas Island?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Juan to Saint Thomas Island.

  • Can I find deals for business class flights from San Juan to Saint Thomas Island?

    Yes. Cheapflights offers flight deals from San Juan to Saint Thomas Island by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • 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 $24). Flying from San Juan to Saint Thomas Island in September is currently the most expensive (average of $116). 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.

See more FAQs

Traveling to a place near Saint Thomas Island?

Book flights to Saint Thomas Island if you plan to visit one of these locations
St. John

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for San Juan to Saint Thomas Island

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from San Juan to Saint Thomas Island

Discover the top 5 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 2,558,603 searches. Data last updated March 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$29Average$78FlexibilityNo cancel feeOn-time62%
Silver AirwaysCheapest$86Average$157FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$90Average$90FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$92Average$160FlexibilityNo cancel feeOn-time62%
Cape AirCheapest$201Average$391FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.