Saint Thomas Island

$70+ Cheap flights from Luis Munoz Marin Intl (SJU) 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 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — STT
Oct 15 — Oct 221
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Cheapflights Tip: The best prices from San Juan Luis Munoz Marin Intl to Saint Thomas Island Cyril E King are usually found in November or February, booked 26 days in advance, depart on a Friday or Monday and return on a Friday

Cheap flight deals from Luis Munoz Marin Intl to Saint Thomas Island

Discover tips and strategies to find the most affordable flight options for your journey from Luis Munoz Marin Intl (SJU) to Saint Thomas Island (STT). 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 September 15, 2025.

Round-trip from

$119
(JetBlue)

One-way from

$70
(JetBlue)

Popular in

June

Cheapest in

November

Average price

$138

Good round-trip deal

$138 or less

Good one-way deal

$79 or less
From San Juan Luis Munoz Marin Intl to Saint Thomas Island Cyril E King
One-way flight from San Juan Luis Munoz Marin Intl to Saint Thomas Island Cyril E King
Highest demand for flights based on searches. 15% potential increase in price ($20 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($4 potential savings vs. average RT price).
Average for round-trip flights in September 2025
Price to beat on a round-trip flight from San Juan Luis Munoz Marin Intl to Saint Thomas Island Cyril E King.
Price to beat on a one-way flight from San Juan Luis Munoz Marin Intl to Saint Thomas Island Cyril E King.

Find flight deals from Luis Munoz Marin Intl to Saint Thomas Island

Cheapest flights from Luis Munoz Marin Intl to Saint Thomas Island
Explore the most affordable flight options available from Luis Munoz Marin Intl to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This JetBlue deal was found by Cheapflights users on 9/13. 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 9/191:55 pmSJU - STT
Nonstop0h 36mJetBlue
Sun 9/213:30 pmSTT - SJU
Nonstop0h 40mJetBlue
Deal found 9/13$119
This JetBlue deal was found by Cheapflights users on 9/15. 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.
Sat 11/11:46 pmSJU - STT
Nonstop0h 38mJetBlue
Sat 11/154:35 pmSTT - SJU
Nonstop0h 47mJetBlue
Deal found 9/15$129
This JetBlue deal was found by Cheapflights users on 9/15. 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.
Fri 9/261:55 pmSJU - STT
Nonstop0h 36mJetBlue
Sun 9/283:30 pmSTT - SJU
Nonstop0h 40mJetBlue
Deal found 9/15$139
This JetBlue deal was found by Cheapflights users on 9/14. 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 12/12:29 pmSJU - STT
Nonstop0h 40mJetBlue
Tue 12/23:17 pmSTT - SJU
Nonstop0h 42mJetBlue
Deal found 9/14$149
This JetBlue deal was found by Cheapflights users on 9/15. 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.
Fri 11/2112:20 pmSJU - STT
Nonstop0h 37mJetBlue
Thu 11/273:40 pmSTT - SJU
Nonstop0h 42mJetBlue
Deal found 9/15$159
This CheapOair deal was found by Cheapflights users on 9/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3112:58 pmSJU - STT
Nonstop0h 37mJetBlue
Sun 11/23:17 pmSTT - SJU
Nonstop0h 42mJetBlue
Deal found 9/13$169
This JetBlue deal was found by Cheapflights users on 9/14. 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.
Sat 9/271:55 pmSJU - STT
Nonstop0h 36mJetBlue
Mon 9/293:30 pmSTT - SJU
Nonstop0h 40mJetBlue
Deal found 9/14$179
This JetBlue deal was found by Cheapflights users on 9/12. 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.
Mon 10/1311:15 amSJU - STT
Nonstop0h 35mJetBlue
Mon 10/203:30 pmSTT - SJU
Nonstop0h 40mJetBlue
Deal found 9/12$189
This JetBlue deal was found by Cheapflights users on 9/15. 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.
Sat 11/223:31 pmSJU - STT
Nonstop0h 38mJetBlue
Thu 11/273:40 pmSTT - SJU
Nonstop0h 42mJetBlue
Deal found 9/15$194
This CheapOair deal was found by Cheapflights users on 9/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/199:45 amSJU - STT
Nonstop0h 35mJetBlue
Mon 10/203:30 pmSTT - SJU
Nonstop0h 40mJetBlue
Deal found 9/13$199
This Priceline deal was found by Cheapflights users on 9/15. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2612:55 pmSJU - STT
Nonstop0h 35mJetBlue
Fri 9/263:30 pmSTT - SJU
Nonstop0h 40mJetBlue
Deal found 9/15$203
This JetBlue deal was found by Cheapflights users on 9/15. 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.
Thu 11/202:05 pmSJU - STT
Nonstop0h 39mJetBlue
Mon 12/14:04 pmSTT - SJU
Nonstop0h 47mJetBlue
Deal found 9/15$204

Cheapflights Fare Finder

 
Customize your flight search to find flights from Luis Munoz Marin Intl 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 September 15, 2025.
Use the filters below to find and compare flights from San Juan Luis Munoz Marin Intl Airport to Saint Thomas Island that are best for you.

Fly from

Luis Munoz Marin Intl

Fly to

Saint Thomas Island

Route

Depart

Return

Price

San JuanSaint Thomas Island

SJU - STT

SJUSTT

San Juan Luis Munoz Marin Intl

Sat 11/29

11:35 am-12:12 pm

Nonstop0h 37m

Saint Thomas Island Cyril E King

Wed 12/3

3:17 pm-3:59 pm

Nonstop0h 42m

$119

San JuanSaint Thomas Island

SJU - STT

SJUSTT

San Juan Luis Munoz Marin Intl

Fri 9/19

1:55 pm-2:31 pm

Nonstop0h 36m

Saint Thomas Island Cyril E King

Sun 9/21

3:30 pm-4:10 pm

Nonstop0h 40m

$119

San JuanSaint Thomas Island

SJU - STT

SJUSTT

San Juan Luis Munoz Marin Intl

Sun 9/28

1:55 pm-2:31 pm

Nonstop0h 36m

Saint Thomas Island Cyril E King

Thu 10/2

3:30 pm-4:10 pm

Nonstop0h 40m

$119

San JuanSaint Thomas Island

SJU - STT

SJUSTT

San Juan Luis Munoz Marin Intl

Sat 10/18

1:55 pm-2:31 pm

Nonstop0h 36m

Saint Thomas Island Cyril E King

Sat 10/25

3:30 pm-4:10 pm

Nonstop0h 40m

$129

San JuanSaint Thomas Island

SJU - STT

SJUSTT

San Juan Luis Munoz Marin Intl

Sat 11/1

1:46 pm-2:24 pm

Nonstop0h 38m

Saint Thomas Island Cyril E King

Sat 11/15

4:35 pm-5:22 pm

Nonstop0h 47m

$129

San JuanSaint Thomas Island

SJU - STT

SJUSTT

San Juan Luis Munoz Marin Intl

Fri 10/17

1:55 pm-2:31 pm

Nonstop0h 36m

Saint Thomas Island Cyril E King

Mon 10/20

3:30 pm-4:10 pm

Nonstop0h 40m

$129

San JuanSaint Thomas Island

SJU - STT

SJUSTT

San Juan Luis Munoz Marin Intl

Sat 11/1

1:46 pm-2:24 pm

Nonstop0h 38m

Saint Thomas Island Cyril E King

Thu 11/6

3:17 pm-3:59 pm

Nonstop0h 42m

$129

San JuanSaint Thomas Island

SJU - STT

SJUSTT

San Juan Luis Munoz Marin Intl

Thu 11/20

2:05 pm-2:44 pm

Nonstop0h 39m

Saint Thomas Island Cyril E King

Wed 11/26

3:43 pm-4:25 pm

Nonstop0h 42m

$129

San JuanSaint Thomas Island

SJU - STT

SJUSTT

San Juan Luis Munoz Marin Intl

Sat 11/1

1:46 pm-2:24 pm

Nonstop0h 38m

Saint Thomas Island Cyril E King

Sun 11/2

3:17 pm-3:59 pm

Nonstop0h 42m

$129

San JuanSaint Thomas Island

SJU - STT

SJUSTT

San Juan Luis Munoz Marin Intl

Fri 10/17

1:55 pm-2:31 pm

Nonstop0h 36m

Saint Thomas Island Cyril E King

Sun 10/19

3:30 pm-4:10 pm

Nonstop0h 40m

$139

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 20 results
1
2

The best insider tips for San Juan Luis Munoz Marin Intl Airport to Saint Thomas Island flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your San Juan Luis Munoz Marin Intl Airport to Saint Thomas Island trip
Airports
SJU

Security wait times at SJU can vary, so arrive two hours early for domestic flights to ensure a smooth departure.

Read more about SJUby Brandon Schultz
STT

Upon arrival at STT, taxis and rideshares are available right outside baggage claim for easy access to the city.

Read more about STTby Mark Chesnut
Our travel experts
Mark Chesnut

Mark Chesnut

Expert on STT

Mark Chesnut

Mark Chesnut

Mark Chesnut is a travel writer and public speaker with more than 30 years of experience. The 2019 winner of the NLGJA Excellence in Travel Writing Award, Mark is the author of the book “Prepare for Departure” and has covered air travel for multiple top consumer and trade media outlets.

Read more
Brandon Schultz

Brandon Schultz

Expert on SJU

Brandon Schultz

Brandon Schultz

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Read more

Best time to book a flight from Luis Munoz Marin Intl to Saint Thomas Island

Have a flexible travel schedule? Discover the best time to fly to Saint Thomas Island from Luis Munoz Marin Intl 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 San Juan Luis Munoz Marin Intl Airport to Saint Thomas Island

How far ahead should I book a flight from San Juan Luis Munoz Marin Intl Airport to Saint Thomas Island?

Use this chart to determine the optimal time to book a round-trip flight from Luis Munoz Marin Intl to Saint Thomas Island. Price data was last updated on September 12, 2025.

To ensure you get the cheapest price possible for a flight from San Juan Luis Munoz Marin Intl Airport to Saint Thomas Island, you should look to book at least 26 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from San Juan Luis Munoz Marin Intl Airport to Saint Thomas Island?

Currently, September is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport to Saint Thomas Island (average of $433). Flying from San Juan Luis Munoz Marin Intl Airport to Saint Thomas Island in June is currently the most expensive (average of $643). 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 SJU to STT?

Find hourly flight availability from Luis Munoz Marin Intl 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 September 15, 2025.

A simple way to save on the total cost of your ticket is to fly from San Juan Luis Munoz Marin Intl Airport to Saint Thomas Island in the morning. If you’re flexible enough to do this you can expect to save up to 35% on your trip compared to booking a flight at noon.

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 September 15, 2025.
Read reviews from past customers who have flown United Airlines, JetBlue, and Frontier from San Juan Luis Munoz Marin Intl Airport to Saint Thomas Island. 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.

Entertainment

7.1

Crew

8.1

Comfort

7.3

Overall

7.4

Food

6.6

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Apr 2025

TPE - SFO

The boarding experience was okay. The dietary food choices were limited, the midway snacks were hard and dry. The seat was uncomfortable - stiff seat cushion, seat back kept springing back to the upright position, narrow seat width. Love the app and the ability to track my luggage. Flight crew was efficient.

Entertainment

7.1

Crew

8.1

Comfort

7.3

Overall

7.4

Food

6.6

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Apr 2025

TPE - SFO

The boarding experience was okay. The dietary food choices were limited, the midway snacks were hard and dry. The seat was uncomfortable - stiff seat cushion, seat back kept springing back to the upright position, narrow seat width. Love the app and the ability to track my luggage. Flight crew was efficient.

Entertainment

7.1

Crew

8.1

Comfort

7.3

Overall

7.4

Food

6.6

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Apr 2025

TPE - SFO

The boarding experience was okay. The dietary food choices were limited, the midway snacks were hard and dry. The seat was uncomfortable - stiff seat cushion, seat back kept springing back to the upright position, narrow seat width. Love the app and the ability to track my luggage. Flight crew was efficient.

Entertainment

7.1

Crew

8.1

Comfort

7.3

Overall

7.4

Food

6.6

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Apr 2025

TPE - SFO

The boarding experience was okay. The dietary food choices were limited, the midway snacks were hard and dry. The seat was uncomfortable - stiff seat cushion, seat back kept springing back to the upright position, narrow seat width. Love the app and the ability to track my luggage. Flight crew was efficient.

Entertainment

7.1

Crew

8.1

Comfort

7.3

Overall

7.4

Food

6.6

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Apr 2025

TPE - SFO

The boarding experience was okay. The dietary food choices were limited, the midway snacks were hard and dry. The seat was uncomfortable - stiff seat cushion, seat back kept springing back to the upright position, narrow seat width. Love the app and the ability to track my luggage. Flight crew was efficient.

Related info for your journey

Find useful and relevant information for your journey from Luis Munoz Marin Intl 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 San Juan Luis Munoz Marin Intl?

    Saint Thomas Island Cyril E King (STT) is the airport you will fly into if you book a flight from San Juan Luis Munoz Marin Intl to Saint Thomas Island. You should not have trouble finding flights to Cyril E King from San Juan Luis Munoz Marin Intl; the airport handles an average of 15 inbound flights from San Juan Luis Munoz Marin Intl per day. You should also have plenty of airline options to choose from since 5 airlines have flights to the Saint Thomas Island airport from San Juan Luis Munoz Marin Intl. It is only a 2.8 mi journey from Cyril E King (STT) to Saint Thomas Island’s city center.

  • How long is the flight from San Juan Luis Munoz Marin Intl Airport to Saint Thomas Island?

    Departing from San Juan Luis Munoz Marin Intl Airport to Saint Thomas Island will take you 37m. San Juan Luis Munoz Marin Intl Airport and Saint Thomas Island are separated by a distance of 68 mi. Generally, flights for this route are nonstop.

  • What are the cheapest airlines flying from San Juan Luis Munoz Marin Intl Airport to Saint Thomas Island round-trip?

    According to our current data, Frontier ($21), JetBlue ($57), and United Airlines ($58) offers the cheapest pricing from San Juan Luis Munoz Marin Intl Airport to Saint Thomas Island. Frontier is priced at 81% lower than the current average price of a flight leaving 3 months from now.

  • What are the most reliable airlines from San Juan Luis Munoz Marin Intl Airport to Saint Thomas Island?

    No one likes to see their flight delayed. When booking a flight from San Juan Luis Munoz Marin Intl Airport to Saint Thomas Island consider choosing Air Cargo Carriers (80%), United Airlines (75%) or Cape Air (75%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from San Juan Luis Munoz Marin Intl Airport to Saint Thomas Island?

    On average you can expect to pay $176 for a flight from San Juan Luis Munoz Marin Intl Airport to Saint Thomas Island. The cheapest flight overall is $63 while the most popular route, (San Juan Luis Munoz Marin Intl - Saint Thomas Island Cyril E King) is currently priced at $109.

  • Can I find deals for flights from Luis Munoz Marin Intl to Saint Thomas Island that include hotel bookings?

    Yes. In addition to deals on Luis Munoz Marin Intl to Saint Thomas Island flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Luis Munoz Marin Intl 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 Luis Munoz Marin Intl to Saint Thomas Island.

  • Can I find deals for business class flights from Luis Munoz Marin Intl to Saint Thomas Island?

    Yes. Cheapflights offers flight deals from Luis Munoz Marin Intl 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 San Juan Luis Munoz Marin Intl Airport to Saint Thomas Island?

    Currently, September is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport to Saint Thomas Island (average of $433). Flying from San Juan Luis Munoz Marin Intl Airport to Saint Thomas Island in June is currently the most expensive (average of $643). 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

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Alternative routes for Luis Munoz Marin Intl to Saint Thomas Island

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Luis Munoz Marin Intl to Saint Thomas Island

Discover the top 5 airlines that operate flights from Luis Munoz Marin Intl 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$21Average$44FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$57Average$142FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$58Average$77FlexibilityNo cancel feeOn-time69%
Silver AirwaysCheapest$62Average$129FlexibilityNo cancel feeOn-timeN/A
Cape AirCheapest$231Average$372FlexibilityNo cancel feeOn-time63%

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