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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 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — STT
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheapflights Tip: The best prices from San Juan to Saint Thomas Island Cyril E King are usually found in November or February, booked 26 days in advance, depart on a Friday or Monday and return on a Friday

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 September 16, 2025.

Round-trip from

$119
(JetBlue)

One-way from

$70
(JetBlue)

Popular in

June

Cheapest in

November

Average price

$138
From San Juan to Saint Thomas Island Cyril E King
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One-way flight from San Juan to Saint Thomas Island Cyril E King
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Highest demand for flights based on searches. 15% potential increase in price ($20 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 September 16, 2025.

This CheapOair deal was found by Cheapflights users on 9/15. 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 9/191:55 pmSJU - STT
Nonstop0h 36mJetBlue
Sun 9/213:30 pmSTT - SJU
Nonstop0h 40mJetBlue
Deal found 9/15$119
This JetBlue deal was found by Cheapflights users on 9/15. 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 11/11:46 pmSJU - STT
Nonstop0h 38mJetBlue
Sat 11/154:35 pmSTT - SJU
Nonstop0h 47mJetBlue
Deal found 9/15$129
This JetBlue deal was found by Cheapflights users on 9/15. 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 9/261:55 pmSJU - STT
Nonstop0h 36mJetBlue
Sun 9/283:30 pmSTT - SJU
Nonstop0h 40mJetBlue
Deal found 9/15$139
This JetBlue deal was found by Cheapflights users on 9/14. 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 12/12:29 pmSJU - STT
Nonstop0h 40mJetBlue
Tue 12/23:17 pmSTT - SJU
Nonstop0h 42mJetBlue
Deal found 9/14$149
This JetBlue deal was found by Cheapflights users on 9/13. 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 11/2112:20 pmSJU - STT
Nonstop0h 37mJetBlue
Wed 11/263:43 pmSTT - SJU
Nonstop0h 42mJetBlue
Deal found 9/13$159
This CheapOair deal was found by Cheapflights users on 9/14. 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 10/3112:58 pmSJU - STT
Nonstop0h 37mJetBlue
Sun 11/23:17 pmSTT - SJU
Nonstop0h 42mJetBlue
Deal found 9/14$169
This JetBlue deal was found by Cheapflights users on 9/14. 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 9/271:55 pmSJU - STT
Nonstop0h 36mJetBlue
Mon 9/293:30 pmSTT - SJU
Nonstop0h 40mJetBlue
Deal found 9/14$179
This Priceline deal was found by Cheapflights users on 9/14. 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.
Thu 10/231:55 pmSJU - STT
Nonstop0h 36mJetBlue
Sun 10/262:30 pmSTT - SJU
Nonstop0h 42mJetBlue
Deal found 9/14$189
This JetBlue deal was found by Cheapflights users on 9/15. 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 9/269:45 amSJU - STT
Nonstop0h 35mJetBlue
Fri 9/263:30 pmSTT - SJU
Nonstop0h 40mJetBlue
Deal found 9/15$193
This JetBlue deal was found by Cheapflights users on 9/15. 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 11/223:31 pmSJU - STT
Nonstop0h 38mJetBlue
Thu 11/273:40 pmSTT - SJU
Nonstop0h 42mJetBlue
Deal found 9/15$194
This CheapOair deal was found by Cheapflights users on 9/14. 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.
Sun 10/199:45 amSJU - STT
Nonstop0h 35mJetBlue
Mon 10/203:30 pmSTT - SJU
Nonstop0h 40mJetBlue
Deal found 9/14$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 September 16, 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

Sat 11/29

11:35 am-12:12 pm

Nonstop0h 37m

Saint Thomas Island Cyril E King

Wed 12/3

3:17 pm-3:59 pm

Nonstop0h 42m

$119

San JuanSaint Thomas Island

SJU - STT

SJUSTT

San Juan Luis Munoz Marin Intl

Fri 1/30

3:45 pm-4:20 pm

Nonstop0h 35m

Saint Thomas Island Cyril E King

Sat 2/7

5:15 pm-6:00 pm

Nonstop0h 45m

$119

San JuanSaint Thomas Island

SJU - STT

SJUSTT

San Juan Luis Munoz Marin Intl

Fri 3/6

2:40 pm-3:15 pm

Nonstop0h 35m

Saint Thomas Island Cyril E King

Tue 3/10

4:10 pm-5:02 pm

Nonstop0h 52m

$119

San JuanSaint Thomas Island

SJU - STT

SJUSTT

San Juan Luis Munoz Marin Intl

Wed 1/21

3:45 pm-4:20 pm

Nonstop0h 35m

Saint Thomas Island Cyril E King

Sat 1/24

5:15 pm-6:00 pm

Nonstop0h 45m

$119

San JuanSaint Thomas Island

SJU - STT

SJUSTT

San Juan Luis Munoz Marin Intl

Fri 10/17

1:55 pm-2:31 pm

Nonstop0h 36m

Saint Thomas Island Cyril E King

Mon 10/20

3:30 pm-4:10 pm

Nonstop0h 40m

$129

San JuanSaint Thomas Island

SJU - STT

SJUSTT

San Juan Luis Munoz Marin Intl

Thu 11/20

2:05 pm-2:44 pm

Nonstop0h 39m

Saint Thomas Island Cyril E King

Wed 11/26

3:43 pm-4:25 pm

Nonstop0h 42m

$129

San JuanSaint Thomas Island

SJU - STT

SJUSTT

San Juan Luis Munoz Marin Intl

Sat 11/1

1:46 pm-2:24 pm

Nonstop0h 38m

Saint Thomas Island Cyril E King

Sun 11/2

3:17 pm-3:59 pm

Nonstop0h 42m

$139

San JuanSaint Thomas Island

SJU - STT

SJUSTT

San Juan Luis Munoz Marin Intl

Mon 12/15

1:42 pm-2:20 pm

Nonstop0h 38m

Saint Thomas Island Cyril E King

Wed 12/17

3:17 pm-3:59 pm

Nonstop0h 42m

$139

San JuanSaint Thomas Island

SJU - STT

SJUSTT

San Juan Luis Munoz Marin Intl

Fri 11/21

12:20 pm-12:57 pm

Nonstop0h 37m

Saint Thomas Island Cyril E King

Thu 11/27

3:40 pm-4:22 pm

Nonstop0h 42m

$159

San JuanSaint Thomas Island

SJU - STT

SJUSTT

San Juan Luis Munoz Marin Intl

Wed 3/11

2:40 pm-3:15 pm

Nonstop0h 35m

$70

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 18 results
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 September 12, 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 26 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, September is the cheapest month in which you can book a flight from San Juan to Saint Thomas Island (average of $433). Flying from San Juan to Saint Thomas Island in June is currently the most expensive (average of $643). 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 September 16, 2025.

A simple way to save on the total cost of your ticket is to fly from San Juan to Saint Thomas Island in the morning. If you’re flexible enough to do this you can expect to save up to 35% on your trip compared to booking a flight at noon.

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 September 16, 2025.

The most flights from PR1 to STT are scheduled on a Monday (17 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (13 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 September 16, 2025.
Read through reviews of airlines operating flights from San Juan to Saint Thomas Island, such as United Airlines, JetBlue, and Frontier. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,924 reviews

Boarding

7.7

Overall

7.4

Crew

8.1

Entertainment

7.1

Food

6.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
United Airlines
7.4
Good
8,924 reviews
United Airlines
7.4
Good
8,924 reviews

Boarding

7.7

Overall

7.4

Crew

8.1

Entertainment

7.1

Food

6.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
JetBlue
7.2
Good
2,914 reviews
United Airlines
7.4
Good
8,924 reviews

Boarding

7.7

Overall

7.4

Crew

8.1

Entertainment

7.1

Food

6.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
Frontier
5.8
Fair
3,174 reviews
United Airlines
7.4
Good
8,924 reviews

Boarding

7.7

Overall

7.4

Crew

8.1

Entertainment

7.1

Food

6.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
Silver Airways
5.8
Fair
242 reviews
United Airlines
7.4
Good
8,924 reviews

Boarding

7.7

Overall

7.4

Crew

8.1

Entertainment

7.1

Food

6.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

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 15 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 37m. 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 JetBlue and United Airlines - these airlines can fly you to your destination from $57 and $58, respectively. These flights start at 81% 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: Air Cargo Carriers (80%), United Airlines (75%), Cape Air (75%).

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

    On average you can expect to pay $176 for a flight from San Juan to Saint Thomas Island. The cheapest flight overall is $63 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, September is the cheapest month in which you can book a flight from San Juan to Saint Thomas Island (average of $433). Flying from San Juan to Saint Thomas Island in June is currently the most expensive (average of $643). 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.
Luis Munoz Marin Intl to Saint Thomas Island flights
Luis Munoz Marin Intl to Christiansted flights

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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$21Average$44FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$57Average$142FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$58Average$77FlexibilityNo cancel feeOn-time69%
Silver AirwaysCheapest$62Average$129FlexibilityNo cancel feeOn-timeN/A
Cape AirCheapest$231Average$372FlexibilityNo cancel feeOn-time63%

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