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$95+ Cheap flights from Saint Thomas Island (STT) to San Juan

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 11/20. Fares are subject to change and may not be available on all flights or dates of travel.
STT — SJU
Jun 24 — Jul 11
Wed 6/24
Wed 7/1
1 adult, Economy
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Cheapflights Tip: The best prices from Saint Thomas Island Cyril E King to San Juan are usually found in August or September, booked 8 days in advance, depart on a Monday or Sunday and return on a Monday

Cheap flight deals from Saint Thomas Island to San Juan

Cheapest flights from Saint Thomas Island to San Juan
Explore the most affordable flight options available from Saint Thomas Island to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 25, 2026.

This Super.com deal was found by Cheapflights users on 5/25. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/174:54 pm
STT
-
SJU
Nonstop0h 42m
JetBlue
Tue 10/203:19 pm
SJU
-
STT
Nonstop0h 35m
JetBlue
Deal found 5/25$165
This JetBlue deal was found by Cheapflights users on 5/24. 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 9/293:40 pm
STT
-
SJU
Nonstop0h 45m
JetBlue
Sat 10/32:05 pm
SJU
-
STT
Nonstop0h 36m
JetBlue
Deal found 5/24$169
This Orbitz deal was found by Cheapflights users on 5/21. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/34:27 pm
STT
-
SJU
Nonstop0h 44m
JetBlue
Tue 9/82:55 pm
SJU
-
STT
Nonstop0h 37m
JetBlue
Deal found 5/21$179
This Super.com deal was found by Cheapflights users on 5/21. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/184:54 pm
STT
-
SJU
Nonstop0h 42m
JetBlue
Tue 10/203:19 pm
SJU
-
STT
Nonstop0h 35m
JetBlue
Deal found 5/21$186
This Orbitz deal was found by Cheapflights users on 5/22. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/14:27 pm
STT
-
SJU
Nonstop0h 44m
JetBlue
Tue 10/133:19 pm
SJU
-
STT
Nonstop0h 35m
JetBlue
Deal found 5/22$199
This CheapOair deal was found by Cheapflights users on 5/24. 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.
Tue 7/144:08 pm
STT
-
SJU
Nonstop0h 42m
JetBlue
Tue 7/212:41 pm
SJU
-
STT
Nonstop0h 37m
JetBlue
Deal found 5/24$204
This JetBlue deal was found by Cheapflights users on 5/22. 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 5/223:40 pm
STT
-
SJU
Nonstop0h 42m
JetBlue
Wed 5/272:07 pm
SJU
-
STT
Nonstop0h 35m
JetBlue
Deal found 5/22$224
This JetBlue deal was found by Cheapflights users on 5/22. 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 5/223:40 pm
STT
-
SJU
Nonstop0h 42m
JetBlue
Tue 5/262:07 pm
SJU
-
STT
Nonstop0h 35m
JetBlue
Deal found 5/22$239
This CheapOair deal was found by Cheapflights users on 5/23. 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.
Tue 6/164:12 pm
STT
-
SJU
Nonstop0h 44m
JetBlue
Tue 6/232:40 pm
SJU
-
STT
Nonstop0h 37m
JetBlue
Deal found 5/23$249
This Orbitz deal was found by Cheapflights users on 5/24. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/75:45 pm
STT
-
SJU
Nonstop0h 35m
JetBlue
Sun 7/122:10 pm
SJU
-
STT
Nonstop0h 38m
JetBlue
Deal found 5/24$254

Find flight deals from Saint Thomas Island to San Juan

Discover tips and strategies to find the most affordable flight options for your journey from Saint Thomas Island (STT) to San Juan (PR1). 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 May 25, 2026.

Round-trip from

$165
(Super.com)

One-way from

$95
(JetBlue)

Popular in

October

Cheapest in

August

Average price

$225
From Saint Thomas Island Cyril E King to San Juan
Search Deals
One-way flight from Saint Thomas Island Cyril E King to San Juan
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High demand for flights, 2% potential price rise
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Cheapest flight prices on average. 4% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in May 2026
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Saint Thomas Island to San Juan 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 May 25, 2026.
Use the filters below to find and compare flights from Saint Thomas Island to San Juan that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Saint Thomas IslandSan Juan

STT - SJU

STTSJU

Saint Thomas Island Cyril E King

Thu 10/1

3:40 pm-4:25 pm

Nonstop0h 45m

San Juan Luis Munoz Marin Intl

Sun 10/4

2:05 pm-2:41 pm

Nonstop0h 36m

$169

Saint Thomas IslandSan Juan

STT - SJU

STTSJU

Saint Thomas Island Cyril E King

Tue 9/29

3:40 pm-4:25 pm

Nonstop0h 45m

San Juan Luis Munoz Marin Intl

Sat 10/3

2:05 pm-2:41 pm

Nonstop0h 36m

$169
Quickest round-trip

Saint Thomas IslandSan Juan

STT - SJU

STTSJU

Saint Thomas Island Cyril E King

Wed 6/17

5:40 pm-6:15 pm

Nonstop0h 35m

San Juan Luis Munoz Marin Intl

Wed 6/24

2:35 pm-3:12 pm

Nonstop0h 37m

$264

Saint Thomas IslandSan Juan

STT - SJU

STTSJU

Saint Thomas Island Cyril E King

Mon 7/13

11:46 am-12:21 pm

Nonstop0h 35m

San Juan Luis Munoz Marin Intl

Sat 7/18

2:20 pm-2:57 pm

Nonstop0h 37m

$264

Saint Thomas IslandSan Juan

STT - SJU

STTSJU

Saint Thomas Island Cyril E King

Fri 6/26

7:45 pm-5:24 pm

1 stop21h 39m

San Juan Luis Munoz Marin Intl

Sat 7/4

2:40 pm-3:18 pm

Nonstop0h 38m

$284

Saint Thomas IslandSan Juan

STT - SJU

STTSJU

Saint Thomas Island Cyril E King

Thu 6/18

4:07 pm-4:49 pm

Nonstop0h 42m

San Juan Luis Munoz Marin Intl

Sun 6/21

2:35 pm-3:12 pm

Nonstop0h 37m

$289

Saint Thomas IslandSan Juan

STT - SJU

STTSJU

Saint Thomas Island Cyril E King

Tue 6/23

8:15 am-5:24 pm

1 stop9h 09m

San Juan Luis Munoz Marin Intl

Fri 6/26

3:01 pm-3:38 pm

Nonstop0h 37m

$299

Saint Thomas IslandSan Juan

STT - SJU

STTSJU

Saint Thomas Island Cyril E King

Thu 6/4

8:15 am-4:34 pm

1 stop8h 19m

San Juan Luis Munoz Marin Intl

Sun 6/7

2:07 pm-2:42 pm

Nonstop0h 35m

$303

Saint Thomas IslandSan Juan

STT - SJU

STTSJU

Saint Thomas Island Cyril E King

Sun 6/21

10:49 am-11:24 am

Nonstop0h 35m

San Juan Luis Munoz Marin Intl

Sat 6/27

2:40 pm-3:18 pm

Nonstop0h 38m

$304

Saint Thomas IslandSan Juan

STT - SJU

STTSJU

Saint Thomas Island Cyril E King

Tue 6/16

4:12 pm-4:56 pm

Nonstop0h 44m

San Juan Luis Munoz Marin Intl

Sat 6/20

2:40 pm-3:18 pm

Nonstop0h 38m

$309

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/22

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Best time to book a flight from Saint Thomas Island to San Juan

Have a flexible travel schedule? Discover the best time to fly to San Juan 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 San Juan

What is the cheapest month to book a flight from Saint Thomas Island to San Juan?

Currently, July is the cheapest month in which you can book a flight from Saint Thomas Island to San Juan (average of $44). Flying from Saint Thomas Island to San Juan in April is currently the most expensive (average of $153). 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 SJU?

Find hourly flight availability from Saint Thomas Island to San Juan. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 25, 2026.

When flying from Saint Thomas Island to San Juan, 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 San Juan

Explore weekly flight availability from Saint Thomas Island to San Juan. 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 May 25, 2026.

The most flights from STT to PR1 are scheduled on a Saturday (23 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (13 on average).

How much does it cost to fly round-trip from Saint Thomas Island to San Juan?

How far ahead should I book a flight from Saint Thomas Island to San Juan?

Booking 7 days in advance of your planned departure date is, on average, the best time to get cheap flights from Saint Thomas Island to San Juan. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Reviews of airlines servicing San Juan

Get insights into the airlines that provide service to San Juan. 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 San Juan. Reviews last updated May 25, 2026.
Read reviews from past customers who have flown Cape Air,JetBlue, andFrontier from Saint Thomas Island to San Juan. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Cape Air
9.3
Wonderful
33 reviews

Boarding

9.0

Crew

9.4

Comfort

8.6

Overall

9.3

Entertainment

8.9

Food

8.7
Cape Air
9.3
Wonderful
33 reviews
Cape Air
9.3
Wonderful
33 reviews

Boarding

9.0

Crew

9.4

Comfort

8.6

Overall

9.3

Entertainment

8.9

Food

8.7
JetBlue
7.2
Good
2,979 reviews
Cape Air
9.3
Wonderful
33 reviews

Boarding

9.0

Crew

9.4

Comfort

8.6

Overall

9.3

Entertainment

8.9

Food

8.7
Frontier
5.7
Fair
2,938 reviews
Cape Air
9.3
Wonderful
33 reviews

Boarding

9.0

Crew

9.4

Comfort

8.6

Overall

9.3

Entertainment

8.9

Food

8.7
Silver Airways
5.7
Fair
Cape Air
9.3
Wonderful
33 reviews

Boarding

9.0

Crew

9.4

Comfort

8.6

Overall

9.3

Entertainment

8.9

Food

8.7

Related info for your journey

Find useful and relevant information for your journey from Saint Thomas Island to San Juan. 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 San Juan?

    Most people fly from Saint Thomas Island Cyril E King (STT) if they book a flight from Saint Thomas Island to San Juan. On average, Cyril E King has 17 outbound flights to San Juan per day from 4 airlines. Saint Thomas Island Cyril E King is conveniently located just 2.8 mi from Saint Thomas Island’s city center.

  • How long is the flight from Saint Thomas Island to San Juan?

    There are many flights that can get you from Saint Thomas Island to San Juan in 45m. Fly via JetBlue to get the fastest option. The distance from Saint Thomas Island to San Juan is about 68 mi. Most flights are nonstop.

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

    According to our current data, Frontier ($45), JetBlue ($104), and Silver Airways ($118) offers the cheapest pricing from Saint Thomas Island to San Juan. You may be able to fly from Saint Thomas Island to San Juan for 77% less than the average price by searching for these airlines.

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

    The cheapest airlines for a one-way flight from Saint Thomas Island to San Juan are Frontier ($45), Silver Airways ($58), and JetBlue ($69).

  • What are the most reliable airlines from Saint Thomas Island to San Juan?

    Before booking your flight to San Juan from Saint Thomas Island, check out the most reliable airlines to get you to your destination on time: Qatar Airways (80%), JetBlue (79%), Cape Air( 76%).

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

    On average you can expect to pay $328 for a flight from Saint Thomas Island to San Juan. The cheapest flight overall is $164 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 San Juan that include hotel bookings?

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

  • How can I find direct flights from Saint Thomas Island to San Juan?

    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 San Juan.

  • Can I find deals for business class flights from Saint Thomas Island to San Juan?

    Yes. Cheapflights offers flight deals from Saint Thomas Island to San Juan 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 San Juan?

    Currently, July is the cheapest month in which you can book a flight from Saint Thomas Island to San Juan (average of $44). Flying from Saint Thomas Island to San Juan in April is currently the most expensive (average of $153). 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

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Alternative routes for Saint Thomas Island to San Juan

See prices for flight routes from nearby airports that may be better suited for you.
Saint Thomas Island to Luis Munoz Marin Intl flights

Top 4 airlines flying from Saint Thomas Island to San Juan

Discover the top 4 airlines that operate flights from Saint Thomas Island to San Juan. 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 May 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$45Average$58FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$104Average$219FlexibilityNo cancel feeOn-time62%
Silver AirwaysCheapest$118Average$218FlexibilityNo cancel feeOn-timeN/A
Cape AirCheapest$170Average$364FlexibilityNo cancel feeOn-time63%

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