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

$95+ Cheap flights from Puerto Rico 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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — STT
Apr 19 — Apr 261
Sun 4/19
Sun 4/26
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Puerto Rico 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.

Cheap flight deals from Puerto Rico to Saint Thomas Island

Cheapest flights from Puerto Rico to Saint Thomas Island
Explore the most affordable flight options available from Puerto Rico to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 20, 2026.

This JetBlue deal was found by Cheapflights users on 3/16. 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 3/16$189
This JetBlue deal was found by Cheapflights users on 3/19. 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 4/2811:50 am
SJU
-
STT
Nonstop0h 36m
JetBlue
Sun 5/102:45 pm
STT
-
SJU
Nonstop0h 45m
JetBlue
Deal found 3/19$199
This Cheapflightsfares deal was found by Cheapflights users on 3/20. 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 Cheapflightsfares 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
Wed 3/254:01 pm
STT
-
SJU
Nonstop0h 43m
JetBlue
Deal found 3/20$209
This Expedia deal was found by Cheapflights users on 3/17. 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 3/202:31 pm
SJU
-
STT
Nonstop0h 35m
JetBlue
Sun 3/224:01 pm
STT
-
SJU
Nonstop0h 43m
JetBlue
Deal found 3/17$219
This JetBlue deal was found by Cheapflights users on 3/16. 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 3/16$229
This Expedia deal was found by Cheapflights users on 3/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/147:54 pm
SJU
-
STT
1 stop15h 36m
Multiple Airlines
Tue 4/211:21 pm
STT
-
SJU
Nonstop0h 49m
Multiple Airlines
Deal found 3/15$234
This deal was found by Cheapflights users on 3/18. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/511:25 am
SJU
-
STT
Nonstop0h 35m
JetBlue
Tue 4/712:55 pm
STT
-
SJU
Nonstop0h 50m
JetBlue
Deal found 3/18$239
This JetBlue deal was found by Cheapflights users on 3/15. 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.
Wed 4/1511:50 am
SJU
-
STT
Nonstop0h 36m
JetBlue
Sun 4/191:21 pm
STT
-
SJU
Nonstop0h 49m
JetBlue
Deal found 3/15$244
This CheapOair deal was found by Cheapflights users on 3/16. 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 5/168:27 pm
SJU
-
STT
1 stop13h 27m
Multiple Airlines
Tue 5/192:45 pm
STT
-
SJU
Nonstop0h 45m
Multiple Airlines
Deal found 3/16$248
This Priceline deal was found by Cheapflights users on 3/19. 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 10/221:10 pm
SJU
-
STT
Nonstop0h 36m
JetBlue
Sun 10/253:17 pm
STT
-
SJU
Nonstop0h 42m
JetBlue
Deal found 3/19$249
This JetBlue deal was found by Cheapflights users on 3/16. 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 7/243:05 pm
SJU
-
STT
Nonstop0h 37m
JetBlue
Mon 7/274:37 pm
STT
-
SJU
Nonstop0h 44m
JetBlue
Deal found 3/16$259
This CheapOair deal was found by Cheapflights users on 3/20. 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.
Wed 4/81:45 am
SJU
-
STT
1 stop11h 41m
Multiple Airlines
Mon 4/1312:55 pm
STT
-
SJU
Nonstop0h 50m
Multiple Airlines
Deal found 3/20$260

Find flight deals from Puerto Rico to Saint Thomas Island

Keep the following information in mind while searching for Puerto Rico to Saint Thomas Island flight deals. Data was last updated March 20, 2026.

Round-trip from

$189
(JetBlue)

One-way from

$95
(Cheapflightsfares)

Popular in

December

Cheapest in

May

Average price

$161

Good round-trip deal

$222 or less

Good one-way deal

$84 or less
From Puerto Rico to Saint Thomas Island Cyril E King
Search Deals
One-way flight from Puerto Rico to Saint Thomas Island Cyril E King
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($32 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Puerto Rico to Saint Thomas Island Cyril E King.
Search Deals
Price to beat on a one-way flight from Puerto Rico to Saint Thomas Island Cyril E King.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Puerto Rico 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 20, 2026.
Use the filters below to find and compare flights from Puerto Rico to Saint Thomas Island that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San JuanSaint Thomas Island

SJU - STT

SJUSTT

San Juan Luis Munoz Marin Intl

Sat 5/16

11:50 am-12:26 pm

Nonstop0h 36m

Saint Thomas Island Cyril E King

Tue 5/19

2:45 pm-3:30 pm

Nonstop0h 45m

$189

San JuanSaint Thomas Island

SJU - STT

SJUSTT

San Juan Luis Munoz Marin Intl

Thu 4/9

11:25 am-12:00 pm

Nonstop0h 35m

Saint Thomas Island Cyril E King

Mon 4/13

12:55 pm-1:45 pm

Nonstop0h 50m

$189

San JuanSaint Thomas Island

SJU - STT

SJUSTT

San Juan Luis Munoz Marin Intl

Thu 4/16

11:50 am-12:26 pm

Nonstop0h 36m

Saint Thomas Island Cyril E King

Wed 4/22

1:21 pm-2:10 pm

Nonstop0h 49m

$189
Quickest round-trip

San JuanSaint Thomas Island

SJU - STT

SJUSTT

San Juan Luis Munoz Marin Intl

Tue 5/19

1:10 pm-1:48 pm

Nonstop0h 38m

Saint Thomas Island Cyril E King

Fri 5/22

3:40 pm-4:22 pm

Nonstop0h 42m

$229

San JuanSaint Thomas Island

SJU - STT

SJUSTT

San Juan Luis Munoz Marin Intl

Wed 4/15

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

$244

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

$264

San JuanSaint Thomas Island

SJU - STT

SJUSTT

San Juan Luis Munoz Marin Intl

Wed 4/29

11:50 am-12:26 pm

Nonstop0h 36m

Saint Thomas Island Cyril E King

Sat 5/2

9:44 am-3:25 pm

1 stop5h 41m

$300
Cheapest one-way
Quickest one-way

San JuanSaint Thomas Island

SJU - STT

SJUSTT

San Juan Luis Munoz Marin Intl

Sun 4/12

11:25 am-12:00 pm

Nonstop0h 35m

$105

San JuanSaint Thomas Island

SJU - STT

SJUSTT

San Juan Luis Munoz Marin Intl

Wed 6/17

3:05 pm-3:42 pm

Nonstop0h 37m

$105

San JuanSaint Thomas Island

SJU - STT

SJUSTT

San Juan Luis Munoz Marin Intl

Wed 4/1

11:25 am-12:00 pm

Nonstop0h 35m

$105

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/15

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

Best time to book a flight from Puerto Rico to Saint Thomas Island

Have a flexible travel schedule? Discover the best time to fly to Saint Thomas Island from Puerto Rico 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 Puerto Rico to Saint Thomas Island

What is the cheapest month to book a flight from Puerto Rico to Saint Thomas Island?

Currently, March is the cheapest month in which you can book a flight from Puerto Rico to Saint Thomas Island (average of $29). Flying from Puerto Rico 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 PR to STT?

Find hourly flight availability from Puerto Rico 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 20, 2026.

When flying from Puerto Rico to Saint Thomas Island, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Puerto Rico to Saint Thomas Island

Explore weekly flight availability from Puerto Rico 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 20, 2026.

The most flights from PR0 to STT are scheduled on a Friday (23 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (16 on average).

How often are flights from Puerto Rico to Saint Thomas Island delayed?

About 13% of weekly flights between Puerto Rico and Saint Thomas Island have experienced delays in the past year, with the average delay time being 79 minutes.

What is the most punctual flight time for Puerto Rico 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 Puerto Rico 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 20, 2026.
Read through reviews of airlines operating flights from Puerto Rico to Saint Thomas Island, such as Cape Air,JetBlue, andFrontier. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Cape Air
9.3
Wonderful
34 reviews

Comfort

8.7

Boarding

9.1

Crew

9.4

Entertainment

8.9

Food

8.8

Overall

9.3
Cape Air
9.3
Wonderful
34 reviews
Cape Air
9.3
Wonderful
34 reviews

Comfort

8.7

Boarding

9.1

Crew

9.4

Entertainment

8.9

Food

8.8

Overall

9.3
JetBlue
7.2
Good
2,909 reviews
Cape Air
9.3
Wonderful
34 reviews

Comfort

8.7

Boarding

9.1

Crew

9.4

Entertainment

8.9

Food

8.8

Overall

9.3
Frontier
5.7
Fair
3,023 reviews
Cape Air
9.3
Wonderful
34 reviews

Comfort

8.7

Boarding

9.1

Crew

9.4

Entertainment

8.9

Food

8.8

Overall

9.3
Silver Airways
5.7
Fair
Cape Air
9.3
Wonderful
34 reviews

Comfort

8.7

Boarding

9.1

Crew

9.4

Entertainment

8.9

Food

8.8

Overall

9.3

Related info for your journey

Find useful and relevant information for your journey from Puerto Rico 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 Puerto Rico?

    If you book a flight to Saint Thomas Island from Puerto Rico, you will be flying to Cyril E King, which is the city’s only airport. Saint Thomas Island Cyril E King (STT) is located 2.8 mi from the center of Saint Thomas Island.

  • How long is the flight from Puerto Rico to Saint Thomas Island?

    There are many flights that can get you from Puerto Rico to Saint Thomas Island in 36m. Fly via JetBlue to get the fastest option. Puerto Rico and Saint Thomas Island are separated by a distance of 68 mi. Generally, flights for this route are nonstop.

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

    $29 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Silver Airways and JetBlue, with prices starting from $57 and $64, respectively.

  • What are the most reliable airlines from Puerto Rico to Saint Thomas Island?

    Consider United Airlines (86%), Cape Air (85%) or JetBlue (83%) when booking your flight. These represent the most reliable airlines when flying from Puerto Rico to Saint Thomas Island.

  • What are the cheapest flights from Puerto Rico to Saint Thomas Island?

    While on average a flight from Puerto Rico to Saint Thomas Island is generally $246, our data shows the cheapest flight currently is $69. When looking at the most popular route, (San Juan Luis Munoz Marin Intl - Saint Thomas Island Cyril E King), you can expect to pay $109 for that flight.

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

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

  • How can I find direct flights from Puerto Rico 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 Puerto Rico to Saint Thomas Island.

  • Can I find deals for business class flights from Puerto Rico to Saint Thomas Island?

    Yes. Cheapflights offers flight deals from Puerto Rico 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 Puerto Rico to Saint Thomas Island?

    Currently, March is the cheapest month in which you can book a flight from Puerto Rico to Saint Thomas Island (average of $29). Flying from Puerto Rico 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 Puerto Rico 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

Top 4 airlines flying from Puerto Rico to Saint Thomas Island

Discover the top 4 airlines that operate flights from Puerto Rico 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 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$29Average$78FlexibilityNo cancel feeOn-time62%
Silver AirwaysCheapest$90Average$158FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$92Average$167FlexibilityNo cancel feeOn-time62%
Cape AirCheapest$201Average$392FlexibilityNo 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.