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$65+ Cheap flights from Saint Thomas Island (STT) to Puerto Rico

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 8/27. Fares are subject to change and may not be available on all flights or dates of travel.
STT — SJU
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheap flight deals from Saint Thomas Island to Puerto Rico

Keep the following information in mind while searching for Saint Thomas Island to Puerto Rico flight deals. Data was last updated August 14, 2025.

Round-trip from

$134
(Expedia)

One-way from

$65
(Expedia)

Popular in

July

Cheapest in

November

Average price

$102

Good round-trip deal

$69 or less

Good one-way deal

$123 or less
From Saint Thomas Island Cyril E King to Puerto Rico
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One-way flight from Saint Thomas Island Cyril E King to Puerto Rico
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Highest demand for flights based on searches. 21% potential increase in price ($30 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Saint Thomas Island Cyril E King to Puerto Rico.
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Price to beat on a one-way flight from Saint Thomas Island Cyril E King to Puerto Rico.
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Find flight deals from Saint Thomas Island to Puerto Rico

Cheapest flights from Saint Thomas Island to Puerto Rico
Explore the most affordable flight options available from Saint Thomas Island to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This JetBlue deal was found by Cheapflights users on 8/12. 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 8/234:10 pmSTT - SJU
Nonstop0h 44mJetBlue
Tue 8/2612:50 pmSJU - STT
Nonstop0h 38mJetBlue
Deal found 8/12$109
This Expedia deal was found by Cheapflights users on 8/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/282:23 pmSTT - SJU
Nonstop0h 47mJetBlue
Mon 9/112:50 pmSJU - STT
Nonstop0h 38mJetBlue
Deal found 8/13$134
This JetBlue deal was found by Cheapflights users on 8/13. 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.
Thu 9/43:30 pmSTT - SJU
Nonstop0h 40mJetBlue
Fri 9/121:55 pmSJU - STT
Nonstop0h 36mJetBlue
Deal found 8/13$139
This JetBlue deal was found by Cheapflights users on 8/13. 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 10/103:30 pmSTT - SJU
Nonstop0h 40mJetBlue
Sun 10/121:55 pmSJU - STT
Nonstop0h 40mJetBlue
Deal found 8/13$149
This JetBlue deal was found by Cheapflights users on 8/14. 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 8/182:23 pmSTT - SJU
Nonstop0h 47mJetBlue
Fri 8/2212:50 pmSJU - STT
Nonstop0h 38mJetBlue
Deal found 8/14$154
This Expedia deal was found by Cheapflights users on 8/12. 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.
Wed 8/132:23 pmSTT - SJU
Nonstop0h 47mJetBlue
Sat 8/162:35 pmSJU - STT
Nonstop0h 37mJetBlue
Deal found 8/12$159
This Priceline deal was found by Cheapflights users on 8/13. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2911:00 amSTT - SJU
Nonstop0h 35mJetBlue
Sun 8/3112:50 pmSJU - STT
Nonstop0h 38mJetBlue
Deal found 8/13$164
This JetBlue deal was found by Cheapflights users on 8/14. 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.
Wed 8/202:23 pmSTT - SJU
Nonstop0h 47mJetBlue
Sat 8/232:35 pmSJU - STT
Nonstop0h 37mJetBlue
Deal found 8/14$174
This FlightHub deal was found by Cheapflights users on 8/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/185:14 pmSTT - SJU
Nonstop0h 54mMultiple Airlines
Sun 8/2411:15 amSJU - STT
Nonstop0h 35mMultiple Airlines
Deal found 8/14$180
This JetBlue deal was found by Cheapflights users on 8/13. 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.
Sat 9/63:30 pmSTT - SJU
Nonstop0h 40mJetBlue
Tue 9/911:55 amSJU - STT
Nonstop0h 35mJetBlue
Deal found 8/13$189
This FlightHub deal was found by Cheapflights users on 8/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/185:14 pmSTT - SJU
Nonstop0h 54mMultiple Airlines
Mon 8/2511:15 amSJU - STT
Nonstop0h 35mMultiple Airlines
Deal found 8/14$190
This JetBlue deal was found by Cheapflights users on 8/14. 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.
Wed 8/202:23 pmSTT - SJU
Nonstop0h 47mJetBlue
Fri 8/2212:50 pmSJU - STT
Nonstop0h 38mJetBlue
Deal found 8/14$194

Cheapflights Fare Finder

 
Customize your flight search to find flights from Saint Thomas Island to Puerto Rico 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 August 14, 2025.
Use the filters below to find and compare flights from Saint Thomas Island to Puerto Rico that are best for you.

Fly from

Saint Thomas Island

Fly to

Puerto Rico

Route

Depart

Return

Price

Saint Thomas IslandSan Juan

STT - SJU

STTSJU

Saint Thomas Island Cyril E King

Wed 8/27

2:23 pm-3:10 pm

Nonstop0h 47m

San Juan Luis Munoz Marin Intl

Sun 8/31

12:50 pm-1:28 pm

Nonstop0h 38m

$109

Saint Thomas IslandSan Juan

STT - SJU

STTSJU

Saint Thomas Island Cyril E King

Thu 8/28

2:23 pm-3:10 pm

Nonstop0h 47m

San Juan Luis Munoz Marin Intl

Mon 9/1

12:50 pm-1:28 pm

Nonstop0h 38m

$134

Saint Thomas IslandSan Juan

STT - SJU

STTSJU

Saint Thomas Island Cyril E King

Mon 9/8

3:30 pm-4:10 pm

Nonstop0h 40m

San Juan Luis Munoz Marin Intl

Thu 9/11

1:55 pm-2:31 pm

Nonstop0h 36m

$139

Saint Thomas IslandSan Juan

STT - SJU

STTSJU

Saint Thomas Island Cyril E King

Mon 9/8

3:30 pm-4:10 pm

Nonstop0h 40m

San Juan Luis Munoz Marin Intl

Fri 9/12

1:55 pm-2:31 pm

Nonstop0h 36m

$139

Saint Thomas IslandSan Juan

STT - SJU

STTSJU

Saint Thomas Island Cyril E King

Thu 9/4

3:30 pm-4:10 pm

Nonstop0h 40m

San Juan Luis Munoz Marin Intl

Mon 9/8

1:55 pm-2:31 pm

Nonstop0h 36m

$139

Saint Thomas IslandSan Juan

STT - SJU

STTSJU

Saint Thomas Island Cyril E King

Sat 9/6

3:30 pm-4:10 pm

Nonstop0h 40m

San Juan Luis Munoz Marin Intl

Sat 9/13

1:55 pm-2:31 pm

Nonstop0h 36m

$139

Saint Thomas IslandSan Juan

STT - SJU

STTSJU

Saint Thomas Island Cyril E King

Sun 9/7

3:30 pm-4:10 pm

Nonstop0h 40m

San Juan Luis Munoz Marin Intl

Sat 9/13

1:55 pm-2:31 pm

Nonstop0h 36m

$139

Saint Thomas IslandSan Juan

STT - SJU

STTSJU

Saint Thomas Island Cyril E King

Fri 11/21

1:55 pm-2:40 pm

Nonstop0h 45m

San Juan Luis Munoz Marin Intl

Mon 11/24

2:05 pm-2:44 pm

Nonstop0h 39m

$139

Saint Thomas IslandSan Juan

STT - SJU

STTSJU

Saint Thomas Island Cyril E King

Thu 9/4

3:30 pm-4:10 pm

Nonstop0h 40m

San Juan Luis Munoz Marin Intl

Sat 9/13

1:55 pm-2:31 pm

Nonstop0h 36m

$139

Saint Thomas IslandSan Juan

STT - SJU

STTSJU

Saint Thomas Island Cyril E King

Sat 9/6

3:30 pm-4:10 pm

Nonstop0h 40m

San Juan Luis Munoz Marin Intl

Fri 9/12

1:55 pm-2:31 pm

Nonstop0h 36m

$139

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

Showing 1-10 of 18 results
1
2

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

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

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

Currently, September is the cheapest month in which you can book a flight from Saint Thomas Island to Puerto Rico (average of $254). Flying from Saint Thomas Island to Puerto Rico in June is currently the most expensive (average of $339). 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 STT to PR?

Find hourly flight availability from Saint Thomas Island to Puerto Rico. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 14, 2025.

When flying from Saint Thomas Island to Puerto Rico, 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 Saint Thomas Island to Puerto Rico

Explore weekly flight availability from Saint Thomas Island to Puerto Rico. 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 August 14, 2025.

The most flights from STT to PR0 are scheduled on a Thursday (21 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (14 on average).

Reviews of airlines servicing Puerto Rico

Get insights into the airlines that provide service to Puerto Rico. 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 Puerto Rico. Reviews last updated August 14, 2025.
Read through reviews of airlines operating flights from Saint Thomas Island to Puerto Rico, such as United Airlines, JetBlue, and Silver Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,916 reviews

Crew

8.1

Comfort

7.3

Overall

7.4

Entertainment

7.1

Boarding

7.7

Food

6.6

Reviews

1 / 20
10.0
Excellent

Momny,Jun 2025

HND - BKK

I very love and happy with ANA and Sevice very super good .Thank you ANA
United Airlines
7.4
Good
8,916 reviews
United Airlines
7.4
Good
8,916 reviews

Crew

8.1

Comfort

7.3

Overall

7.4

Entertainment

7.1

Boarding

7.7

Food

6.6

Reviews

1 / 20
10.0
Excellent

Momny,Jun 2025

HND - BKK

I very love and happy with ANA and Sevice very super good .Thank you ANA
JetBlue
7.2
Good
2,913 reviews
United Airlines
7.4
Good
8,916 reviews

Crew

8.1

Comfort

7.3

Overall

7.4

Entertainment

7.1

Boarding

7.7

Food

6.6

Reviews

1 / 20
10.0
Excellent

Momny,Jun 2025

HND - BKK

I very love and happy with ANA and Sevice very super good .Thank you ANA
Silver Airways
5.9
Fair
250 reviews
United Airlines
7.4
Good
8,916 reviews

Crew

8.1

Comfort

7.3

Overall

7.4

Entertainment

7.1

Boarding

7.7

Food

6.6

Reviews

1 / 20
10.0
Excellent

Momny,Jun 2025

HND - BKK

I very love and happy with ANA and Sevice very super good .Thank you ANA
Frontier
5.8
Fair
3,217 reviews
United Airlines
7.4
Good
8,916 reviews

Crew

8.1

Comfort

7.3

Overall

7.4

Entertainment

7.1

Boarding

7.7

Food

6.6

Reviews

1 / 20
10.0
Excellent

Momny,Jun 2025

HND - BKK

I very love and happy with ANA and Sevice very super good .Thank you ANA

Related info for your journey

Find useful and relevant information for your journey from Saint Thomas Island to Puerto Rico. 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 from for flights from Saint Thomas Island to Puerto Rico?

    Saint Thomas Island Cyril E King (STT), located 2.8 mi from the city center, is the airport you fly out of when you book flights from Saint Thomas Island to Puerto Rico.

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

    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 Saint Thomas Island to Puerto Rico on time: Qatar Airways (93%), Silver Airways (77%), Air Cargo Carriers (75%).

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

    On average you can expect to pay $202 for a flight from Saint Thomas Island to Puerto Rico. The cheapest flight overall is $53 while the most popular route, (Saint Thomas Island Cyril E King - San Juan Luis Munoz Marin Intl) is currently priced at $174.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Saint Thomas Island to Puerto Rico (average of $254). Flying from Saint Thomas Island to Puerto Rico in June is currently the most expensive (average of $339). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 5 airlines flying from Saint Thomas Island to Puerto Rico

Discover the top 5 airlines that operate flights from Saint Thomas Island to Puerto Rico. 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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$24Average$60FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$52Average$138FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$58Average$77FlexibilityNo cancel feeOn-time69%
Silver AirwaysCheapest$66Average$143FlexibilityNo cancel feeOn-timeN/A
Cape AirCheapest$170Average$289FlexibilityNo cancel feeOn-time63%

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