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Saint Thomas Island

$65+ 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 8/28. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — STT
ago. 23 — ago. 301
sáb. 8/23
sáb. 8/30
1 adult, Economy
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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 October or November, booked 32 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 agosto 18, 2025.

Round-trip from

$110
(JetBlue)

One-way from

$65
(Expedia)

Popular in

June

Cheapest in

October

Average price

$103

Good round-trip deal

$83 or less

Good one-way deal

$79 or less
From San Juan Luis Munoz Marin Intl to Saint Thomas Island Cyril E King
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One-way flight from San Juan Luis Munoz Marin Intl to Saint Thomas Island Cyril E King
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Highest demand for flights based on searches. 22% potential increase in price ($29 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($5 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 San Juan Luis Munoz Marin Intl to Saint Thomas Island Cyril E King.
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Price to beat on a one-way flight from San Juan Luis Munoz Marin Intl to Saint Thomas Island Cyril E King.
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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 agosto 18, 2025.

This JetBlue deal was found by Cheapflights users on 8/16. 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.
sáb. 8/232:35 pmSJU - STT
Nonstop0h 37mJetBlue
lun. 8/252:23 pmSTT - SJU
Nonstop0h 47mJetBlue
Deal found 8/16$109
This JetBlue deal was found by Cheapflights users on 8/16. 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.
dom. 8/3112:50 pmSJU - STT
Nonstop0h 38mJetBlue
jue. 9/43:30 pmSTT - SJU
Nonstop0h 40mJetBlue
Deal found 8/16$124
This JetBlue deal was found by Cheapflights users on 8/16. 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.
lun. 9/112:50 pmSJU - STT
Nonstop0h 38mJetBlue
vie. 9/53:30 pmSTT - SJU
Nonstop0h 40mJetBlue
Deal found 8/16$125
This JetBlue deal was found by Cheapflights users on 8/17. 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.
vie. 10/171:55 pmSJU - STT
Nonstop0h 40mJetBlue
jue. 10/233:30 pmSTT - SJU
Nonstop0h 40mJetBlue
Deal found 8/17$139
This JetBlue deal was found by Cheapflights users on 8/17. 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.
lun. 10/131:55 pmSJU - STT
Nonstop0h 40mJetBlue
sáb. 10/183:30 pmSTT - SJU
Nonstop0h 40mJetBlue
Deal found 8/17$149
This JetBlue deal was found by Cheapflights users on 8/18. 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.
vie. 9/261:55 pmSJU - STT
Nonstop0h 36mJetBlue
dom. 9/283:30 pmSTT - SJU
Nonstop0h 40mJetBlue
Deal found 8/18$159
This Priceline deal was found by Cheapflights users on 8/17. 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.
mar. 12/232:01 pmSJU - STT
Nonstop0h 36mJetBlue
jue. 12/253:32 pmSTT - SJU
Nonstop0h 47mJetBlue
Deal found 8/17$169
This Expedia deal was found by Cheapflights users on 8/16. 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.
lun. 8/2512:50 pmSJU - STT
Nonstop0h 38mJetBlue
sáb. 8/304:10 pmSTT - SJU
Nonstop0h 44mJetBlue
Deal found 8/16$174
This Priceline deal was found by Cheapflights users on 8/17. 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.
jue. 8/2112:50 pmSJU - STT
Nonstop0h 38mJetBlue
sáb. 8/234:10 pmSTT - SJU
Nonstop0h 44mJetBlue
Deal found 8/17$179
This JetBlue deal was found by Cheapflights users on 8/18. 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.
sáb. 9/271:55 pmSJU - STT
Nonstop0h 36mJetBlue
lun. 9/293:30 pmSTT - SJU
Nonstop0h 40mJetBlue
Deal found 8/18$189
This JetBlue deal was found by Cheapflights users on 8/16. 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.
lun. 8/2512:50 pmSJU - STT
Nonstop0h 38mJetBlue
mié. 8/272:23 pmSTT - SJU
Nonstop0h 47mJetBlue
Deal found 8/16$194
This CheapOair deal was found by Cheapflights users on 8/18. 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.
sáb. 10/41:55 pmSJU - STT
Nonstop0h 36mJetBlue
mar. 10/72:35 pmSTT - SJU
Nonstop0h 35mJetBlue
Deal found 8/18$199

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 agosto 18, 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

mié. 8/27

12:50 pm-1:28 pm

Nonstop0h 38m

Saint Thomas Island Cyril E King

sáb. 8/30

4:10 pm-4:54 pm

Nonstop0h 44m

$109

San JuanSaint Thomas Island

SJU - STT

SJUSTT

San Juan Luis Munoz Marin Intl

sáb. 8/23

2:35 pm-3:12 pm

Nonstop0h 37m

Saint Thomas Island Cyril E King

lun. 8/25

2:23 pm-3:10 pm

Nonstop0h 47m

$109

San JuanSaint Thomas Island

SJU - STT

SJUSTT

San Juan Luis Munoz Marin Intl

dom. 8/31

12:50 pm-1:28 pm

Nonstop0h 38m

Saint Thomas Island Cyril E King

sáb. 9/13

3:30 pm-4:10 pm

Nonstop0h 40m

$124

San JuanSaint Thomas Island

SJU - STT

SJUSTT

San Juan Luis Munoz Marin Intl

lun. 9/1

12:50 pm-1:28 pm

Nonstop0h 38m

Saint Thomas Island Cyril E King

dom. 9/21

3:30 pm-4:10 pm

Nonstop0h 40m

$124

San JuanSaint Thomas Island

SJU - STT

SJUSTT

San Juan Luis Munoz Marin Intl

dom. 8/31

12:50 pm-1:28 pm

Nonstop0h 38m

Saint Thomas Island Cyril E King

jue. 9/4

3:30 pm-4:10 pm

Nonstop0h 40m

$124

San JuanSaint Thomas Island

SJU - STT

SJUSTT

San Juan Luis Munoz Marin Intl

lun. 9/1

12:50 pm-1:28 pm

Nonstop0h 38m

Saint Thomas Island Cyril E King

vie. 9/5

3:30 pm-4:10 pm

Nonstop0h 40m

$125

San JuanSaint Thomas Island

SJU - STT

SJUSTT

San Juan Luis Munoz Marin Intl

sáb. 10/18

1:55 pm-2:35 pm

Nonstop0h 40m

Saint Thomas Island Cyril E King

sáb. 10/25

3:30 pm-4:10 pm

Nonstop0h 40m

$139

San JuanSaint Thomas Island

SJU - STT

SJUSTT

San Juan Luis Munoz Marin Intl

sáb. 10/18

1:55 pm-2:35 pm

Nonstop0h 40m

Saint Thomas Island Cyril E King

jue. 10/23

3:30 pm-4:10 pm

Nonstop0h 40m

$139

San JuanSaint Thomas Island

SJU - STT

SJUSTT

San Juan Luis Munoz Marin Intl

jue. 8/28

12:50 pm-1:28 pm

Nonstop0h 38m

$65

San JuanSaint Thomas Island

SJU - STT

SJUSTT

San Juan Luis Munoz Marin Intl

lun. 9/1

12:50 pm-1:28 pm

Nonstop0h 38m

$65

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/17

Showing 1-10 of 15 results
1
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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 August 8, 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 32 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 $648). 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 agosto 18, 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 38% on your trip compared to booking a flight at noon.

Weekly flight availability from San Juan Luis Munoz Marin Intl Airport to Saint Thomas Island

Explore weekly flight availability from Luis Munoz Marin Intl to Saint Thomas Island. 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 agosto 18, 2025.

The most flights from SJU to STT are scheduled on a Monday (18 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 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 agosto 18, 2025.
Read reviews from past customers who have flown United Airlines, JetBlue, and Silver Airways 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.
United Airlines
7.4
Good
8,925 reviews

Crew

8.1

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

Entertainment

7.1

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.
United Airlines
7.4
Good
8,925 reviews
United Airlines
7.4
Good
8,925 reviews

Crew

8.1

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

Entertainment

7.1

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.
JetBlue
7.2
Good
2,915 reviews
United Airlines
7.4
Good
8,925 reviews

Crew

8.1

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

Entertainment

7.1

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.
Silver Airways
5.9
Fair
248 reviews
United Airlines
7.4
Good
8,925 reviews

Crew

8.1

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

Entertainment

7.1

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.
Frontier
5.8
Fair
3,212 reviews
United Airlines
7.4
Good
8,925 reviews

Crew

8.1

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

Entertainment

7.1

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 16 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 38m. 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 ($54), and United Airlines ($58) offers the cheapest pricing from San Juan Luis Munoz Marin Intl Airport to Saint Thomas Island. Frontier is priced at 79% 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 United Airlines (92%), Air Cargo Carriers (75%) or JetBlue (74%) 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 $134 for a flight from San Juan Luis Munoz Marin Intl Airport to Saint Thomas Island. The cheapest flight overall is $48 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 $648). 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.
Luis Munoz Marin Intl to Christiansted flights

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 agosto 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$21Average$45FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$54Average$139FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$58Average$77FlexibilityNo cancel feeOn-time69%
Silver AirwaysCheapest$61Average$127FlexibilityNo cancel feeOn-timeN/A
Cape AirCheapest$231Average$378FlexibilityNo cancel feeOn-time63%

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