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San Juan

$37+ Cheap flights from Saint Thomas Island (STT) to San Juan

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 2/21. Fares are subject to change and may not be available on all flights or dates of travel.
STT — SJU
Feb 4 — Feb 111
Tue 2/4
Tue 2/11
1 adult, Economy
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The best prices from Saint Thomas Island Cyril E King to San Juan are usually found in November or September, booked 23 days in advance, depart on a Friday or Wednesday and return on a Friday

Cheap 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 January 30, 2025.

Round-trip from

$37
(Frontier)

Popular in

March

Cheapest in

November

Average price

$96
From Saint Thomas Island Cyril E King to San Juan
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($19 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($2 potential savings vs. average RT price).
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Average for round-trip flights in January 2025
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Find 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 January 30, 2025.

This Frontier deal was found by Cheapflights users on 1/30. 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 2/141:49 pmSTT - SJU
Nonstop0h 57mFrontier
Mon 2/1712:00 pmSJU - STT
Nonstop0h 49mFrontier
Deal found 1/30$84
This Travelocity deal was found by Cheapflights users on 1/30. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/101:49 pmSTT - SJU
Nonstop0h 57mMultiple Airlines
Tue 3/115:39 pmSJU - STT
1 stop16h 27mMultiple Airlines
Deal found 1/30$88
This JetBlue deal was found by Cheapflights users on 1/30. 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 2/34:06 pmSTT - SJU
Nonstop0h 51mJetBlue
Wed 2/52:30 pmSJU - STT
Nonstop0h 41mJetBlue
Deal found 1/30$93
This Trip.com deal was found by Cheapflights users on 1/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/276:05 pmSTT - SJU
Nonstop0h 35mSilver Airways
Thu 4/244:55 pmSJU - STT
Nonstop0h 35mSilver Airways
Deal found 1/30$96
This FlightHub deal was found by Cheapflights users on 1/30. 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.
Wed 2/1911:41 amSTT - SJU
1 stop11h 41mSpirit Airlines
Fri 2/219:34 pmSJU - STT
1 stop13h 12mSpirit Airlines
Deal found 1/30$149
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/317:45 pmSTT - SJU
2 stops18h 00mCape Air
Mon 2/39:05 amSJU - STT
2 stops8h 04mCape Air
Deal found 1/29$827
This United Airlines deal was found by Cheapflights users on 1/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/272:15 pmSTT - SJU
1 stop10h 21mUnited Airlines
Sat 3/12:05 amSJU - STT
1 stop9h 55mUnited Airlines
Deal found 1/30$864

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

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 January 30, 2025.

Fly from

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Fly to

Any airport

Route

Depart

Return

Price

Saint Thomas IslandSan Juan

STT - SJU

STTSJU

Saint Thomas Island Cyril E King

Mon 3/10

1:49 pm-2:46 pm

Nonstop0h 57m

San Juan Luis Munoz Marin Intl

Wed 3/12

4:55 pm-5:30 pm

Nonstop0h 35m

$67

Saint Thomas IslandSan Juan

STT - SJU

STTSJU

Saint Thomas Island Cyril E King

Fri 2/14

1:49 pm-2:46 pm

Nonstop0h 57m

San Juan Luis Munoz Marin Intl

Mon 2/17

12:00 pm-12:49 pm

Nonstop0h 49m

$84

Saint Thomas IslandSan Juan

STT - SJU

STTSJU

Saint Thomas Island Cyril E King

Wed 2/12

4:06 pm-4:57 pm

Nonstop0h 51m

San Juan Luis Munoz Marin Intl

Wed 2/19

1:45 pm-2:26 pm

Nonstop0h 41m

$93

Saint Thomas IslandSan Juan

STT - SJU

STTSJU

Saint Thomas Island Cyril E King

Thu 3/27

6:05 pm-6:40 pm

Nonstop0h 35m

San Juan Luis Munoz Marin Intl

Thu 4/24

4:55 pm-5:30 pm

Nonstop0h 35m

$96

Saint Thomas IslandSan Juan

STT - SJU

STTSJU

Saint Thomas Island Cyril E King

Wed 2/19

11:41 am-11:22 pm

1 stop11h 41m

San Juan Luis Munoz Marin Intl

Fri 2/21

9:34 pm-10:46 am

1 stop13h 12m

$149

Saint Thomas IslandSan Juan

STT - SJU

STTSJU

Saint Thomas Island Cyril E King

Thu 2/27

2:15 pm-12:36 am

1 stop10h 21m

San Juan Luis Munoz Marin Intl

Sat 3/1

2:05 am-12:00 pm

1 stop9h 55m

$864

Saint Thomas IslandSan Juan

STT - SJU

STTSJU

Saint Thomas Island Cyril E King

Fri 5/9

1:12 pm-2:11 pm

Nonstop0h 59m

$39

Saint Thomas IslandSan Juan

STT - SJU

STTSJU

Saint Thomas Island Cyril E King

Tue 2/25

4:36 pm-5:28 pm

Nonstop0h 52m

$47

Saint Thomas IslandSan Juan

STT - SJU

STTSJU

Saint Thomas Island Cyril E King

Wed 4/30

9:10 am-9:45 am

Nonstop0h 35m

$69

Saint Thomas IslandSan Juan

STT - SJU

STTSJU

Saint Thomas Island Cyril E King

Wed 2/26

11:41 am-11:22 pm

1 stop11h 41m

$72

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/30

Showing 1-10 of 12 results
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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.

Travel insights for flights from Saint Thomas Island to San Juan

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

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

Use this chart to determine the optimal time to book a round-trip flight from Saint Thomas Island to San Juan. Price data was last updated on January 24, 2025.

Booking 23 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.

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

Currently, September is the cheapest month in which you can book a flight from Saint Thomas Island to San Juan (average of $254). Flying from Saint Thomas Island to San Juan in March is currently the most expensive (average of $372). 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 January 30, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 50% on flights from Saint Thomas Island to San Juan by exploring options for tickets in the afternoon.

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 January 30, 2025.

The most flights from STT to PR1 are scheduled on a Thursday (22 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (17 on average).

Rainfall in San Juan by month

Plan your trip to San Juan by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Juan ranges from 2.2 - 6.1 inches per month. November is typically the wettest month, when rainfall can reach 6.1 in. February is typically the driest time to visit San Juan when rainfall is around 2.2 in.

Temperature in San Juan by month

Plan your trip to San Juan by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Juan, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 77.0 F).

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 January 30, 2025.
JetBlue
7.4
Good
3,156 reviews

Overall

7.4

Crew

8.1

Boarding

7.6

Food

6.8

Comfort

7.7

Entertainment

7.3

Reviews

1 / 20

10.0
Excellent

Anonymous,Jul 2024

BDL - SJU

My experience was very positive: I liked the big space among seats, the huge entertainment options, and the crew professionalism. My only complaint is the lacked of use of Spanish. As a Spanish speaker, I didn’t like this.

JetBlue
7.4
Good
3,156 reviews
JetBlue
7.4
Good
3,156 reviews

Overall

7.4

Crew

8.1

Boarding

7.6

Food

6.8

Comfort

7.7

Entertainment

7.3

Reviews

1 / 20

10.0
Excellent

Anonymous,Jul 2024

BDL - SJU

My experience was very positive: I liked the big space among seats, the huge entertainment options, and the crew professionalism. My only complaint is the lacked of use of Spanish. As a Spanish speaker, I didn’t like this.

United Airlines
7.4
Good
8,913 reviews
JetBlue
7.4
Good
3,156 reviews

Overall

7.4

Crew

8.1

Boarding

7.6

Food

6.8

Comfort

7.7

Entertainment

7.3

Reviews

1 / 20

10.0
Excellent

Anonymous,Jul 2024

BDL - SJU

My experience was very positive: I liked the big space among seats, the huge entertainment options, and the crew professionalism. My only complaint is the lacked of use of Spanish. As a Spanish speaker, I didn’t like this.

Spirit Airlines
6.3
Okay
8,083 reviews
JetBlue
7.4
Good
3,156 reviews

Overall

7.4

Crew

8.1

Boarding

7.6

Food

6.8

Comfort

7.7

Entertainment

7.3

Reviews

1 / 20

10.0
Excellent

Anonymous,Jul 2024

BDL - SJU

My experience was very positive: I liked the big space among seats, the huge entertainment options, and the crew professionalism. My only complaint is the lacked of use of Spanish. As a Spanish speaker, I didn’t like this.

Frontier
6.0
Okay
3,424 reviews
JetBlue
7.4
Good
3,156 reviews

Overall

7.4

Crew

8.1

Boarding

7.6

Food

6.8

Comfort

7.7

Entertainment

7.3

Reviews

1 / 20

10.0
Excellent

Anonymous,Jul 2024

BDL - SJU

My experience was very positive: I liked the big space among seats, the huge entertainment options, and the crew professionalism. My only complaint is the lacked of use of Spanish. As a Spanish speaker, I didn’t like this.

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 19 outbound flights to San Juan per day from 5 airlines. Saint Thomas Island Cyril E King is conveniently located just 2.8 mi from Saint Thomas Island’s city center.

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

    According to our current data, Frontier ($37), JetBlue ($93), and Silver Airways ($96) 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 59% 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 ($39), JetBlue ($47), and Silver Airways ($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: Silver Airways (74%), United Airlines (74%), JetBlue( 61%).

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

    On average you can expect to pay $157 for a flight from Saint Thomas Island to San Juan. The cheapest flight overall is $19 while the most popular route, (Saint Thomas Island Cyril E King - San Juan Luis Munoz Marin Intl) is currently priced at $59.

  • 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, September is the cheapest month in which you can book a flight from Saint Thomas Island to San Juan (average of $254). Flying from Saint Thomas Island to San Juan in March is currently the most expensive (average of $372). 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.

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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
Christiansted to Luis Munoz Marin Intl flights

Top 5 airlines flying from Saint Thomas Island to San Juan

Discover the top 5 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 January 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$24Average$59FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$54Average$113FlexibilityNo cancel feeOn-time62%
Silver AirwaysCheapest$57Average$106FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$58Average$63FlexibilityNo cancel feeOn-time69%
Cape AirCheapest$189Average$282FlexibilityNo cancel feeOn-time63%
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