Saint Thomas Island

$70+ 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 1/3. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — STT
Dec 6 — Dec 131
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Cheapflights Tip: The best prices from San Juan to Saint Thomas Island Cyril E King are usually found in February or November, booked 21 days in advance, depart on a Monday or Friday and return on a Monday

Cheap 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 November 6, 2025.

Round-trip from

$119
(JetBlue)

One-way from

$70
(JetBlue)

Popular in

September

Cheapest in

February

Average price

$83
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. 15% potential increase in price ($20 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($4 potential savings vs. average RT price).
Average for round-trip flights in November 2025

Find 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 November 6, 2025.

This CheapOair deal was found by Cheapflights users on 11/5. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/61:42 pmSJU - STT
Nonstop0h 38mJetBlue
Wed 12/103:17 pmSTT - SJU
Nonstop0h 42mJetBlue
Deal found 11/5$119
This CheapOair deal was found by Cheapflights users on 11/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2012:58 pmSJU - STT
Nonstop0h 37mJetBlue
Sun 11/234:23 pmSTT - SJU
Nonstop0h 47mJetBlue
Deal found 11/6$129
This JetBlue deal was found by Cheapflights users on 11/6. 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.
Mon 12/151:42 pmSJU - STT
Nonstop0h 38mJetBlue
Wed 12/173:17 pmSTT - SJU
Nonstop0h 42mJetBlue
Deal found 11/6$139
This Priceline deal was found by Cheapflights users on 11/6. 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 11/82:59 pmSJU - STT
Nonstop0h 41mJetBlue
Mon 11/103:17 pmSTT - SJU
Nonstop0h 42mJetBlue
Deal found 11/6$149
This Expedia deal was found by Cheapflights users on 11/6. 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 11/71:42 pmSJU - STT
Nonstop0h 38mJetBlue
Wed 11/122:30 pmSTT - SJU
Nonstop0h 42mJetBlue
Deal found 11/6$159
This JetBlue deal was found by Cheapflights users on 11/6. 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 11/2812:58 pmSJU - STT
Nonstop0h 37mJetBlue
Fri 12/123:17 pmSTT - SJU
Nonstop0h 42mJetBlue
Deal found 11/6$165
This JetBlue deal was found by Cheapflights users on 11/6. 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 11/1812:58 pmSJU - STT
Nonstop0h 37mJetBlue
Thu 11/202:30 pmSTT - SJU
Nonstop0h 42mJetBlue
Deal found 11/6$169
This CheapOair deal was found by Cheapflights users on 11/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2812:58 pmSJU - STT
Nonstop0h 37mJetBlue
Fri 12/53:17 pmSTT - SJU
Nonstop0h 42mJetBlue
Deal found 11/6$175
This CheapOair deal was found by Cheapflights users on 11/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/81:42 pmSJU - STT
Nonstop0h 38mJetBlue
Wed 12/103:17 pmSTT - SJU
Nonstop0h 42mJetBlue
Deal found 11/6$179
This Priceline deal was found by Cheapflights users on 11/6. 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.
Fri 11/212:47 pmSJU - STT
Nonstop0h 40mJetBlue
Tue 11/253:46 pmSTT - SJU
Nonstop0h 42mJetBlue
Deal found 11/6$189
This CheapOair deal was found by Cheapflights users on 11/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/71:42 pmSJU - STT
Nonstop0h 38mJetBlue
Sun 11/163:17 pmSTT - SJU
Nonstop0h 42mJetBlue
Deal found 11/6$199

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 November 6, 2025.
Use the filters below to find and compare flights from San Juan to Saint Thomas Island that are best for you.

Fly from

San Juan

Fly to

Saint Thomas Island

Route

Depart

Return

Price

San JuanSaint Thomas Island

SJU - STT

SJUSTT

San Juan Luis Munoz Marin Intl

Wed 3/25

2:40 pm-3:15 pm

Nonstop0h 35m

Saint Thomas Island Cyril E King

Sun 3/29

4:00 pm-4:52 pm

Nonstop0h 52m

$119

San JuanSaint Thomas Island

SJU - STT

SJUSTT

San Juan Luis Munoz Marin Intl

Mon 3/23

2:40 pm-3:15 pm

Nonstop0h 35m

Saint Thomas Island Cyril E King

Sun 3/29

4:00 pm-4:52 pm

Nonstop0h 52m

$119

San JuanSaint Thomas Island

SJU - STT

SJUSTT

San Juan Luis Munoz Marin Intl

Wed 3/25

2:40 pm-3:15 pm

Nonstop0h 35m

Saint Thomas Island Cyril E King

Mon 3/30

4:00 pm-4:52 pm

Nonstop0h 52m

$119

San JuanSaint Thomas Island

SJU - STT

SJUSTT

San Juan Luis Munoz Marin Intl

Mon 3/23

2:40 pm-3:15 pm

Nonstop0h 35m

Saint Thomas Island Cyril E King

Mon 3/30

4:00 pm-4:52 pm

Nonstop0h 52m

$119

San JuanSaint Thomas Island

SJU - STT

SJUSTT

San Juan Luis Munoz Marin Intl

Tue 3/3

2:00 pm-2:35 pm

Nonstop0h 35m

Saint Thomas Island Cyril E King

Sun 3/8

2:30 pm-3:14 pm

Nonstop0h 44m

$119

San JuanSaint Thomas Island

SJU - STT

SJUSTT

San Juan Luis Munoz Marin Intl

Wed 3/4

2:00 pm-2:35 pm

Nonstop0h 35m

Saint Thomas Island Cyril E King

Mon 3/9

2:30 pm-3:14 pm

Nonstop0h 44m

$119

San JuanSaint Thomas Island

SJU - STT

SJUSTT

San Juan Luis Munoz Marin Intl

Tue 3/3

2:00 pm-2:35 pm

Nonstop0h 35m

Saint Thomas Island Cyril E King

Mon 3/9

2:30 pm-3:14 pm

Nonstop0h 44m

$119

San JuanSaint Thomas Island

SJU - STT

SJUSTT

San Juan Luis Munoz Marin Intl

Fri 3/6

2:00 pm-2:35 pm

Nonstop0h 35m

Saint Thomas Island Cyril E King

Tue 3/10

2:30 pm-3:14 pm

Nonstop0h 44m

$119

San JuanSaint Thomas Island

SJU - STT

SJUSTT

San Juan Luis Munoz Marin Intl

Sat 1/3

12:49 pm-1:25 pm

Nonstop0h 36m

Saint Thomas Island Cyril E King

Sat 1/10

5:15 pm-6:00 pm

Nonstop0h 45m

$119

San JuanSaint Thomas Island

SJU - STT

SJUSTT

San Juan Luis Munoz Marin Intl

Fri 3/27

2:40 pm-3:15 pm

Nonstop0h 35m

Saint Thomas Island Cyril E King

Mon 3/30

4:00 pm-4:52 pm

Nonstop0h 52m

$129

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

Showing 1-10 of 19 results
1
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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 October 31, 2025.

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 21 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, January is the cheapest month in which you can book a flight from San Juan to Saint Thomas Island (average of $21). Flying from San Juan to Saint Thomas Island in September is currently the most expensive (average of $117). 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 November 6, 2025.

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 November 6, 2025.

The most flights from PR1 to STT are scheduled on a Thursday (21 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (16 on average).

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 November 6, 2025.
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

Comfort

8.8

Entertainment

9.1

Boarding

9.2

Overall

9.3

Crew

9.5

Food

8.9
9.3
Wonderful
9.3
Wonderful

Comfort

8.8

Entertainment

9.1

Boarding

9.2

Overall

9.3

Crew

9.5

Food

8.9
9.3
Wonderful

Comfort

8.8

Entertainment

9.1

Boarding

9.2

Overall

9.3

Crew

9.5

Food

8.9
9.3
Wonderful

Comfort

8.8

Entertainment

9.1

Boarding

9.2

Overall

9.3

Crew

9.5

Food

8.9
9.3
Wonderful

Comfort

8.8

Entertainment

9.1

Boarding

9.2

Overall

9.3

Crew

9.5

Food

8.9
9.3
Wonderful

Comfort

8.8

Entertainment

9.1

Boarding

9.2

Overall

9.3

Crew

9.5

Food

8.9

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 18 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 35m. 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 $21, 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 United Airlines and JetBlue - these airlines can fly you to your destination from $58 and $61, respectively. These flights start at 82% lower than the current average price 3 months from now.

  • 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: JetBlue (75%), Cape Air (74%), Air Cargo Carriers (67%).

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

    On average you can expect to pay $229 for a flight from San Juan to Saint Thomas Island. The cheapest flight overall is $99 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, January is the cheapest month in which you can book a flight from San Juan to Saint Thomas Island (average of $21). Flying from San Juan to Saint Thomas Island in September is currently the most expensive (average of $117). 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

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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 November 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$21Average$65FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$58Average$77FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$61Average$148FlexibilityNo cancel feeOn-time62%
Silver AirwaysCheapest$64Average$138FlexibilityNo cancel feeOn-timeN/A
Cape AirCheapest$209Average$372FlexibilityNo cancel feeOn-time63%

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