HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Saint Thomas Island

$45+ Cheap flights from San Juan to Saint Thomas Island (STT)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — STT
Feb 4 — Feb 111
Tue 2/4
Tue 2/11
1 adult, Economy
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.

The best prices from San Juan to Saint Thomas Island Cyril E King are usually found in May or August, booked 82 days in advance, depart on a Friday or Saturday 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 January 30, 2025.

Round-trip from

$45
(Frontier)

Popular in

March

Cheapest in

May

Average price

$98
From San Juan to Saint Thomas Island Cyril E King
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($15 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2025
Search Deals

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 January 30, 2025.

This Frontier deal was found by Cheapflights users on 1/29. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/2812:00 pmSJU - STT
Nonstop0h 49mFrontier
Fri 3/71:49 pmSTT - SJU
Nonstop0h 57mFrontier
Deal found 1/29$45
This Kiwi.com deal was found by Cheapflights users on 1/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/279:34 pmSJU - STT
1 stop13h 12mMultiple Airlines
Mon 3/31:49 pmSTT - SJU
Nonstop0h 57mMultiple Airlines
Deal found 1/29$61
This OneTravel deal was found by Cheapflights users on 1/29. 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 OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/208:00 amSJU - STT
Nonstop0h 35mSilver Airways
Thu 3/206:05 pmSTT - SJU
Nonstop0h 35mSilver Airways
Deal found 1/29$87
This JetBlue deal was found by Cheapflights users on 1/29. 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 2/273:00 pmSJU - STT
Nonstop0h 41mJetBlue
Wed 3/54:36 pmSTT - SJU
Nonstop0h 52mJetBlue
Deal found 1/29$93
This FlightHub deal was found by Cheapflights users on 1/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/279:34 pmSJU - STT
1 stop13h 12mSpirit Airlines
Tue 3/411:41 amSTT - SJU
1 stop12h 46mSpirit Airlines
Deal found 1/29$95

Find flights from San Juan to Saint Thomas Island within your budget

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 January 30, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

San JuanSaint Thomas Island

SJU - STT

SJUSTT

San Juan Luis Munoz Marin Intl

Fri 2/28

12:00 pm-12:49 pm

Nonstop0h 49m

Saint Thomas Island Cyril E King

Fri 3/7

1:49 pm-2:46 pm

Nonstop0h 57m

$45

San JuanSaint Thomas Island

SJU - STT

SJUSTT

San Juan Luis Munoz Marin Intl

Thu 2/27

9:34 pm-10:46 am

1 stop13h 12m

Saint Thomas Island Cyril E King

Mon 3/3

1:49 pm-2:46 pm

Nonstop0h 57m

$61

San JuanSaint Thomas Island

SJU - STT

SJUSTT

San Juan Luis Munoz Marin Intl

Thu 3/20

8:00 am-8:35 am

Nonstop0h 35m

Saint Thomas Island Cyril E King

Thu 3/20

6:05 pm-6:40 pm

Nonstop0h 35m

$87

San JuanSaint Thomas Island

SJU - STT

SJUSTT

San Juan Luis Munoz Marin Intl

Thu 2/27

3:00 pm-3:41 pm

Nonstop0h 41m

Saint Thomas Island Cyril E King

Thu 3/6

4:36 pm-5:28 pm

Nonstop0h 52m

$93

San JuanSaint Thomas Island

SJU - STT

SJUSTT

San Juan Luis Munoz Marin Intl

Thu 2/27

9:34 pm-10:46 am

1 stop13h 12m

Saint Thomas Island Cyril E King

Tue 3/4

11:41 am-12:27 am

1 stop12h 46m

$95

San JuanSaint Thomas Island

SJU - STT

SJUSTT

San Juan Luis Munoz Marin Intl

Fri 2/28

9:34 pm-10:46 am

1 stop13h 12m

$53

San JuanSaint Thomas Island

SJU - STT

SJUSTT

San Juan Luis Munoz Marin Intl

Sat 3/1

11:45 am-12:20 pm

Nonstop0h 35m

$54

San JuanSaint Thomas Island

SJU - STT

SJUSTT

San Juan Luis Munoz Marin Intl

Fri 2/7

2:30 pm-3:11 pm

Nonstop0h 41m

$55

San JuanSaint Thomas Island

SJU - STT

SJUSTT

San Juan Luis Munoz Marin Intl

Fri 2/14

12:00 pm-12:49 pm

Nonstop0h 49m

$59

San JuanSaint Thomas Island

SJU - STT

SJUSTT

San Juan Luis Munoz Marin Intl

Thu 2/13

8:00 am-8:35 am

Nonstop0h 35m

$77

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/29

Showing 1-10 of 12 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.

Travel insights for flights from San Juan to Saint Thomas Island

Get recent, data-driven insights about flights from San Juan to Saint Thomas Island including ideal travel times, pricing trends, and more.

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 January 24, 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 25 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 $658). 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 January 30, 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 19% on your trip compared to booking a flight in the afternoon.

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 January 30, 2025.

The most flights from PR1 to STT are scheduled on a Tuesday (20 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (18 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 January 30, 2025.
JetBlue
7.4
Good
3,153 reviews

Entertainment

7.3

Overall

7.4

Crew

8.1

Boarding

7.6

Food

6.8

Comfort

7.7

Reviews

1 / 20

2.0
Mediocre

Guillermo,Nov 2024

JFK - SJO

Flight canceled, returned to NY and waiting for the new one. Thanks

JetBlue
7.4
Good
3,153 reviews
JetBlue
7.4
Good
3,153 reviews

Entertainment

7.3

Overall

7.4

Crew

8.1

Boarding

7.6

Food

6.8

Comfort

7.7

Reviews

1 / 20

2.0
Mediocre

Guillermo,Nov 2024

JFK - SJO

Flight canceled, returned to NY and waiting for the new one. Thanks

United Airlines
7.4
Good
8,906 reviews
JetBlue
7.4
Good
3,153 reviews

Entertainment

7.3

Overall

7.4

Crew

8.1

Boarding

7.6

Food

6.8

Comfort

7.7

Reviews

1 / 20

2.0
Mediocre

Guillermo,Nov 2024

JFK - SJO

Flight canceled, returned to NY and waiting for the new one. Thanks

Spirit Airlines
6.3
Okay
8,083 reviews
JetBlue
7.4
Good
3,153 reviews

Entertainment

7.3

Overall

7.4

Crew

8.1

Boarding

7.6

Food

6.8

Comfort

7.7

Reviews

1 / 20

2.0
Mediocre

Guillermo,Nov 2024

JFK - SJO

Flight canceled, returned to NY and waiting for the new one. Thanks

Frontier
6.0
Okay
3,424 reviews
JetBlue
7.4
Good
3,153 reviews

Entertainment

7.3

Overall

7.4

Crew

8.1

Boarding

7.6

Food

6.8

Comfort

7.7

Reviews

1 / 20

2.0
Mediocre

Guillermo,Nov 2024

JFK - SJO

Flight canceled, returned to NY and waiting for the new one. Thanks

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.

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

    Currently priced at $45, 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 JetBlue - these airlines can fly you to your destination from $87 and $93, respectively. These flights start at 46% 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 Spirit Airlines, which is currently one of the cheapest options available, starting at $53. Silver Airways flights start at $54 while deals on JetBlue start at $55 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: Frontier (80%), Silver Airways (74%), United Airlines (72%).

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

    On average you can expect to pay $109 for a flight from San Juan to Saint Thomas Island. The cheapest flight overall is $38 while the most popular route, (San Juan Luis Munoz Marin Intl - Saint Thomas Island Cyril E King) is currently priced at $64.

  • 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 $658). 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 San Juan?

Book flights to San Juan 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.
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 January 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$22Average$43FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$49Average$116FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$58Average$58FlexibilityNo cancel feeOn-time69%
Silver AirwaysCheapest$58Average$103FlexibilityNo cancel feeOn-timeN/A
Cape AirCheapest$126Average$332FlexibilityNo 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.