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$70+ 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 2/2. Fares are subject to change and may not be available on all flights or dates of travel.
STT — SJU
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
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 November 6, 2025.

Round-trip from

$119
(JetBlue)

One-way from

$70
(JetBlue)

Popular in

October

Cheapest in

March

Average price

$88

Good round-trip deal

$238 or less

Good one-way deal

$177 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. 12% potential increase in price ($18 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in November 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 November 6, 2025.

This JetBlue deal was found by Cheapflights users on 11/4. 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 11/192:30 pmSTT - SJU
Nonstop0h 42mJetBlue
Thu 11/2712:58 pmSJU - STT
Nonstop0h 37mJetBlue
Deal found 11/4$115
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 12/302:55 pmSTT - SJU
Nonstop0h 44mJetBlue
Fri 1/21:24 pmSJU - STT
Nonstop0h 36mJetBlue
Deal found 11/6$119
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 12/63:16 pmSTT - SJU
Nonstop0h 42mJetBlue
Mon 12/151:42 pmSJU - STT
Nonstop0h 38mJetBlue
Deal found 11/5$129
This JetBlue deal was found by Cheapflights users on 11/4. 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 11/182:30 pmSTT - SJU
Nonstop0h 42mJetBlue
Thu 11/2712:58 pmSJU - STT
Nonstop0h 37mJetBlue
Deal found 11/4$135
This Priceline deal was found by Cheapflights users on 11/3. 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.
Mon 11/103:17 pmSTT - SJU
Nonstop0h 42mJetBlue
Wed 11/1212:58 pmSJU - STT
Nonstop0h 37mJetBlue
Deal found 11/3$139
This JetBlue deal was found by Cheapflights users on 11/4. 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 11/214:22 pmSTT - SJU
Nonstop0h 47mJetBlue
Mon 11/2412:58 pmSJU - STT
Nonstop0h 37mJetBlue
Deal found 11/4$149
This JetBlue deal was found by Cheapflights users on 11/4. 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 11/202:30 pmSTT - SJU
Nonstop0h 42mJetBlue
Wed 11/262:08 pmSJU - STT
Nonstop0h 40mJetBlue
Deal found 11/4$155
This CheapOair deal was found by Cheapflights users on 11/4. 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 11/93:17 pmSTT - SJU
Nonstop0h 42mJetBlue
Tue 11/1112:58 pmSJU - STT
Nonstop0h 37mJetBlue
Deal found 11/4$159
This JetBlue deal was found by Cheapflights users on 11/4. 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 11/182:30 pmSTT - SJU
Nonstop0h 42mJetBlue
Mon 11/2412:58 pmSJU - STT
Nonstop0h 37mJetBlue
Deal found 11/4$169
This JetBlue deal was found by Cheapflights users on 11/4. 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 11/202:30 pmSTT - SJU
Nonstop0h 42mJetBlue
Tue 11/252:11 pmSJU - STT
Nonstop0h 40mJetBlue
Deal found 11/4$179
This JetBlue deal was found by Cheapflights users on 11/4. 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 11/202:30 pmSTT - SJU
Nonstop0h 42mJetBlue
Mon 11/2412:58 pmSJU - STT
Nonstop0h 37mJetBlue
Deal found 11/4$189
This JetBlue deal was found by Cheapflights users on 11/4. 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 11/192:30 pmSTT - SJU
Nonstop0h 42mJetBlue
Fri 11/2112:20 pmSJU - STT
Nonstop0h 37mJetBlue
Deal found 11/4$199

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 November 6, 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

Fri 11/21

4:22 pm-5:09 pm

Nonstop0h 47m

San Juan Luis Munoz Marin Intl

Thu 11/27

12:58 pm-1:35 pm

Nonstop0h 37m

$115

Saint Thomas IslandSan Juan

STT - SJU

STTSJU

Saint Thomas Island Cyril E King

Fri 1/23

5:15 pm-6:00 pm

Nonstop0h 45m

San Juan Luis Munoz Marin Intl

Tue 1/27

3:45 pm-4:20 pm

Nonstop0h 35m

$119

Saint Thomas IslandSan Juan

STT - SJU

STTSJU

Saint Thomas Island Cyril E King

Mon 3/2

3:30 pm-4:17 pm

Nonstop0h 47m

San Juan Luis Munoz Marin Intl

Fri 3/6

2:00 pm-2:35 pm

Nonstop0h 35m

$119

Saint Thomas IslandSan Juan

STT - SJU

STTSJU

Saint Thomas Island Cyril E King

Tue 12/30

2:55 pm-3:39 pm

Nonstop0h 44m

San Juan Luis Munoz Marin Intl

Fri 1/2

1:24 pm-2:00 pm

Nonstop0h 36m

$119

Saint Thomas IslandSan Juan

STT - SJU

STTSJU

Saint Thomas Island Cyril E King

Fri 1/30

5:15 pm-6:00 pm

Nonstop0h 45m

San Juan Luis Munoz Marin Intl

Mon 2/2

3:45 pm-4:20 pm

Nonstop0h 35m

$119

Saint Thomas IslandSan Juan

STT - SJU

STTSJU

Saint Thomas Island Cyril E King

Sat 12/6

3:16 pm-3:58 pm

Nonstop0h 42m

San Juan Luis Munoz Marin Intl

Mon 12/15

1:42 pm-2:20 pm

Nonstop0h 38m

$129

Saint Thomas IslandSan Juan

STT - SJU

STTSJU

Saint Thomas Island Cyril E King

Tue 11/18

2:30 pm-3:12 pm

Nonstop0h 42m

San Juan Luis Munoz Marin Intl

Wed 11/26

2:08 pm-2:48 pm

Nonstop0h 40m

$135

Saint Thomas IslandSan Juan

STT - SJU

STTSJU

Saint Thomas Island Cyril E King

Tue 11/18

2:30 pm-3:12 pm

Nonstop0h 42m

San Juan Luis Munoz Marin Intl

Thu 11/27

12:58 pm-1:35 pm

Nonstop0h 37m

$135

Saint Thomas IslandSan Juan

STT - SJU

STTSJU

Saint Thomas Island Cyril E King

Wed 11/19

2:30 pm-3:12 pm

Nonstop0h 42m

San Juan Luis Munoz Marin Intl

Tue 11/25

2:11 pm-2:51 pm

Nonstop0h 40m

$139

Saint Thomas IslandSan Juan

STT - SJU

STTSJU

Saint Thomas Island Cyril E King

Thu 12/4

3:17 pm-3:59 pm

Nonstop0h 42m

San Juan Luis Munoz Marin Intl

Sun 12/7

1:42 pm-2:20 pm

Nonstop0h 38m

$139

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/4

Showing 1-10 of 20 results
1
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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, July is the cheapest month in which you can book a flight from Saint Thomas Island to Puerto Rico (average of $17). Flying from Saint Thomas Island to Puerto Rico in September is currently the most expensive (average of $112). 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 November 6, 2025.

When flying from Saint Thomas Island to Puerto Rico, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 87% versus a flight at noon.

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 November 6, 2025.

The most flights from STT to PR0 are scheduled on a Thursday (19 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (15 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 November 6, 2025.
Read through reviews of airlines operating flights from Saint Thomas Island to Puerto Rico, 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.
Cape Air
9.3
Wonderful
39 reviews

Entertainment

9.1

Comfort

8.8

Boarding

9.2

Food

8.9

Crew

9.5

Overall

9.3
Cape Air
9.3
Wonderful
39 reviews
Cape Air
9.3
Wonderful
39 reviews

Entertainment

9.1

Comfort

8.8

Boarding

9.2

Food

8.9

Crew

9.5

Overall

9.3
United Airlines
7.4
Good
9,007 reviews
Cape Air
9.3
Wonderful
39 reviews

Entertainment

9.1

Comfort

8.8

Boarding

9.2

Food

8.9

Crew

9.5

Overall

9.3
JetBlue
7.2
Good
2,907 reviews
Cape Air
9.3
Wonderful
39 reviews

Entertainment

9.1

Comfort

8.8

Boarding

9.2

Food

8.9

Crew

9.5

Overall

9.3
Frontier
5.8
Fair
3,116 reviews
Cape Air
9.3
Wonderful
39 reviews

Entertainment

9.1

Comfort

8.8

Boarding

9.2

Food

8.9

Crew

9.5

Overall

9.3
Silver Airways
5.7
Fair
237 reviews
Cape Air
9.3
Wonderful
39 reviews

Entertainment

9.1

Comfort

8.8

Boarding

9.2

Food

8.9

Crew

9.5

Overall

9.3

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.

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

    There are many flights that can get you from Saint Thomas Island to Puerto Rico in 47m. Fly via JetBlue to get the fastest option. The distance between Saint Thomas Island and Puerto Rico is about 68 mi. All flights are typically nonstop.

  • 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 (100%), Air Cargo Carriers (100%), JetBlue (79%).

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

    On average you can expect to pay $285 for a flight from Saint Thomas Island to Puerto Rico. The cheapest flight overall is $69 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, July is the cheapest month in which you can book a flight from Saint Thomas Island to Puerto Rico (average of $17). Flying from Saint Thomas Island to Puerto Rico in September is currently the most expensive (average of $112). 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 November 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$23Average$59FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$58Average$77FlexibilityNo cancel feeOn-time69%
Silver AirwaysCheapest$66Average$159FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$70Average$158FlexibilityNo cancel feeOn-time62%
Cape AirCheapest$170Average$338FlexibilityNo cancel feeOn-time63%

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