HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Saint Thomas Island

$79+ 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 4/26. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — STT
Apr 11 — Apr 181
Sat 4/11
Sat 4/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Luis Munoz Marin Intl to Saint Thomas Island with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.
Cheapflights Tip: The best prices from San Juan Luis Munoz Marin Intl to Saint Thomas Island Cyril E King are usually found in May or July, booked 84 days in advance, depart on a Monday or Tuesday and return on a Monday

Cheap 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 March 12, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 3/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/11:10 pm
SJU
-
STT
Nonstop0h 38m
JetBlue
Wed 5/62:45 pm
STT
-
SJU
Nonstop0h 45m
JetBlue
Deal found 3/9$149
This Cheapflightsfares deal was found by Cheapflights users on 3/8. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/292:05 pm
SJU
-
STT
Nonstop0h 35m
JetBlue
Mon 6/13:40 pm
STT
-
SJU
Nonstop0h 42m
JetBlue
Deal found 3/8$159
This JetBlue deal was found by Cheapflights users on 3/9. 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 5/1611:50 am
SJU
-
STT
Nonstop0h 36m
JetBlue
Tue 5/192:45 pm
STT
-
SJU
Nonstop0h 45m
JetBlue
Deal found 3/9$169
This Cheapflightsfares deal was found by Cheapflights users on 3/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/92:05 pm
SJU
-
STT
Nonstop0h 35m
JetBlue
Tue 6/164:37 pm
STT
-
SJU
Nonstop0h 44m
JetBlue
Deal found 3/9$179
This JetBlue deal was found by Cheapflights users on 3/10. 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 3/212:31 pm
SJU
-
STT
Nonstop0h 35m
JetBlue
Wed 3/254:01 pm
STT
-
SJU
Nonstop0h 43m
JetBlue
Deal found 3/10$189
This JetBlue deal was found by Cheapflights users on 3/11. 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 3/142:31 pm
SJU
-
STT
Nonstop0h 35m
JetBlue
Sun 3/154:01 pm
STT
-
SJU
Nonstop0h 43m
JetBlue
Deal found 3/11$191
This deal was found by Cheapflights users on 3/9. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/272:31 pm
SJU
-
STT
Nonstop0h 35m
JetBlue
Tue 4/712:55 pm
STT
-
SJU
Nonstop0h 50m
JetBlue
Deal found 3/9$199
This Cheapflightsfares deal was found by Cheapflights users on 3/8. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/191:10 pm
SJU
-
STT
Nonstop0h 38m
JetBlue
Fri 5/223:40 pm
STT
-
SJU
Nonstop0h 42m
JetBlue
Deal found 3/8$204
This JetBlue deal was found by Cheapflights users on 3/9. 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 3/122:31 pm
SJU
-
STT
Nonstop0h 35m
JetBlue
Sat 3/144:01 pm
STT
-
SJU
Nonstop0h 43m
JetBlue
Deal found 3/9$209
This Cheapflightsfares deal was found by Cheapflights users on 3/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/16:36 pm
SJU
-
STT
1 stop15h 18m
Spirit Airlines
Wed 5/610:49 am
STT
-
SJU
1 stop12h 35m
Spirit Airlines
Deal found 3/9$226

Find 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 March 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$149
(Cheapflightsfares)

One-way from

$79
(Cheapflightsfares)

Popular in

December

Cheapest in

May

Average price

$148

Good round-trip deal

$222 or less

Good one-way deal

$84 or less
Provider with most accurate pricing for San Juan Luis Munoz Marin Intl-Saint Thomas Island Cyril E King flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Juan Luis Munoz Marin Intl-Saint Thomas Island Cyril E King flights.
Search Deals
From San Juan Luis Munoz Marin Intl to Saint Thomas Island Cyril E King
Search Deals
One-way flight from San Juan Luis Munoz Marin Intl to Saint Thomas Island Cyril E King
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($33 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from San Juan Luis Munoz Marin Intl to Saint Thomas Island Cyril E King.
Search Deals
Price to beat on a one-way flight from San Juan Luis Munoz Marin Intl to Saint Thomas Island Cyril E King.
Search Deals

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 March 12, 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San JuanSaint Thomas Island

SJU - STT

SJUSTT

San Juan Luis Munoz Marin Intl

Sat 3/21

2:31 pm-3:06 pm

Nonstop0h 35m

Saint Thomas Island Cyril E King

Wed 3/25

4:01 pm-4:44 pm

Nonstop0h 43m

$169

San JuanSaint Thomas Island

SJU - STT

SJUSTT

San Juan Luis Munoz Marin Intl

Mon 3/23

2:31 pm-3:06 pm

Nonstop0h 35m

Saint Thomas Island Cyril E King

Fri 3/27

4:01 pm-4:44 pm

Nonstop0h 43m

$169
Quickest round-trip

San JuanSaint Thomas Island

SJU - STT

SJUSTT

San Juan Luis Munoz Marin Intl

Thu 5/28

2:05 pm-2:40 pm

Nonstop0h 35m

Saint Thomas Island Cyril E King

Sun 5/31

3:40 pm-4:22 pm

Nonstop0h 42m

$209

San JuanSaint Thomas Island

SJU - STT

SJUSTT

San Juan Luis Munoz Marin Intl

Sat 3/21

2:31 pm-3:06 pm

Nonstop0h 35m

Saint Thomas Island Cyril E King

Mon 3/23

4:01 pm-4:44 pm

Nonstop0h 43m

$224

San JuanSaint Thomas Island

SJU - STT

SJUSTT

San Juan Luis Munoz Marin Intl

Wed 4/15

11:50 am-12:26 pm

Nonstop0h 36m

Saint Thomas Island Cyril E King

Sun 4/19

1:21 pm-2:10 pm

Nonstop0h 49m

$244

San JuanSaint Thomas Island

SJU - STT

SJUSTT

San Juan Luis Munoz Marin Intl

Fri 4/17

11:50 am-12:26 pm

Nonstop0h 36m

Saint Thomas Island Cyril E King

Sun 4/19

1:21 pm-2:10 pm

Nonstop0h 49m

$244

San JuanSaint Thomas Island

SJU - STT

SJUSTT

San Juan Luis Munoz Marin Intl

Sat 3/21

2:31 pm-3:06 pm

Nonstop0h 35m

Saint Thomas Island Cyril E King

Mon 3/23

9:49 am-5:11 pm

1 stop7h 22m

$278

San JuanSaint Thomas Island

SJU - STT

SJUSTT

San Juan Luis Munoz Marin Intl

Mon 4/6

11:25 am-12:00 pm

Nonstop0h 35m

Saint Thomas Island Cyril E King

Thu 4/9

12:01 pm-12:47 pm

Nonstop0h 46m

$284
Cheapest one-way
Quickest one-way

San JuanSaint Thomas Island

SJU - STT

SJUSTT

San Juan Luis Munoz Marin Intl

Thu 6/4

2:05 pm-2:40 pm

Nonstop0h 35m

$95

San JuanSaint Thomas Island

SJU - STT

SJUSTT

San Juan Luis Munoz Marin Intl

Sat 3/21

2:31 pm-3:06 pm

Nonstop0h 35m

$95

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/8

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

Compare providers for flights from Luis Munoz Marin Intl to Saint Thomas Island

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Luis Munoz Marin Intl to Saint Thomas Island in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Juan Luis Munoz Marin Intl Airport-Saint Thomas Island flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Juan Luis Munoz Marin Intl Airport-Saint Thomas Island flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Juan Luis Munoz Marin Intl Airport-Saint Thomas Island flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Juan Luis Munoz Marin Intl Airport-Saint Thomas Island flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Juan Luis Munoz Marin Intl Airport-Saint Thomas Island flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 March 6, 2026.

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 20 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, March 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 $29). Flying from San Juan Luis Munoz Marin Intl Airport to Saint Thomas Island in September is currently the most expensive (average of $116). 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 March 12, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from San Juan Luis Munoz Marin Intl Airport to Saint Thomas Island as you normally would.

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

AI-powered summary based on content written by travel experts. AI can make mistakes.
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
Our travel experts
Mark Chesnut

Mark Chesnut

Expert on STT

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 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

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 March 12, 2026.
Read reviews from past customers who have flown Cape Air,JetBlue, andFrontier 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.
Cape Air
9.3
Wonderful
36 reviews

Boarding

9.1

Entertainment

9.0

Comfort

8.7

Crew

9.5

Overall

9.3

Food

8.8
Cape Air
9.3
Wonderful
36 reviews
Cape Air
9.3
Wonderful
36 reviews

Boarding

9.1

Entertainment

9.0

Comfort

8.7

Crew

9.5

Overall

9.3

Food

8.8
JetBlue
7.2
Good
2,903 reviews
Cape Air
9.3
Wonderful
36 reviews

Boarding

9.1

Entertainment

9.0

Comfort

8.7

Crew

9.5

Overall

9.3

Food

8.8
Frontier
5.7
Fair
3,031 reviews
Cape Air
9.3
Wonderful
36 reviews

Boarding

9.1

Entertainment

9.0

Comfort

8.7

Crew

9.5

Overall

9.3

Food

8.8
Silver Airways
5.7
Fair
Cape Air
9.3
Wonderful
36 reviews

Boarding

9.1

Entertainment

9.0

Comfort

8.7

Crew

9.5

Overall

9.3

Food

8.8

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 17 inbound flights from San Juan Luis Munoz Marin Intl per day. You should also have plenty of airline options to choose from since 4 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 35m. 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 ($29), Silver Airways ($86), and JetBlue ($92) offers the cheapest pricing from San Juan Luis Munoz Marin Intl Airport to Saint Thomas Island. Frontier is priced at 82% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from San Juan Luis Munoz Marin Intl Airport to Saint Thomas Island one-way?

    One-way options have recently been found by users for as low as $29 on Frontier. Other airlines that offer cheap prices include Silver Airways from $58 and JetBlue from $64 one-way.

  • 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 (86%), JetBlue (72%) or Cape Air (57%) 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 $228 for a flight from San Juan Luis Munoz Marin Intl Airport to Saint Thomas Island. The cheapest flight overall is $69 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, March 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 $29). Flying from San Juan Luis Munoz Marin Intl Airport to Saint Thomas Island in September is currently the most expensive (average of $116). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 4 airlines flying from Luis Munoz Marin Intl to Saint Thomas Island

Discover the top 4 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 March 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$29Average$78FlexibilityNo cancel feeOn-time62%
Silver AirwaysCheapest$86Average$157FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$92Average$164FlexibilityNo cancel feeOn-time62%
Cape AirCheapest$201Average$391FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.