HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Luis Munoz Marin Intl

$88+ Cheap flights from Saint Thomas Island (STT) to Luis Munoz Marin Intl (SJU)

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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
STT — SJU
Aug 23 — Aug 301
Sun 8/23
Sun 8/30
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Saint Thomas Island to Luis Munoz Marin Intl 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 Saint Thomas Island Cyril E King to San Juan Luis Munoz Marin Intl are usually found in September or November, booked 8 days in advance, depart on a Friday or Thursday and return on a Friday

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

Cheapest flights from Saint Thomas Island to Luis Munoz Marin Intl
Explore the most affordable flight options available from Saint Thomas Island to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 24, 2026.

This CheapOair deal was found by Cheapflights users on 7/19. 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.
Thu 10/13:40 pm
STT
-
SJU
Nonstop0h 45m
JetBlue
Sat 10/103:19 pm
SJU
-
STT
Nonstop0h 35m
JetBlue
Deal found 7/19$159
This Cheapflightsfares deal was found by Cheapflights users on 7/23. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/103:00 pm
STT
-
SJU
Nonstop0h 44m
JetBlue
Sun 9/131:25 pm
SJU
-
STT
Nonstop0h 36m
JetBlue
Deal found 7/23$167
This CheapOair deal was found by Cheapflights users on 7/19. 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.
Wed 11/45:40 pm
STT
-
SJU
Nonstop0h 46m
JetBlue
Sun 11/84:05 pm
SJU
-
STT
Nonstop0h 39m
JetBlue
Deal found 7/19$169
This JetBlue deal was found by Cheapflights users on 7/21. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/274:40 pm
STT
-
SJU
Nonstop0h 47m
JetBlue
Wed 10/283:05 pm
SJU
-
STT
Nonstop0h 40m
JetBlue
Deal found 7/21$179
This CheapOair deal was found by Cheapflights users on 7/19. 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 10/204:54 pm
STT
-
SJU
Nonstop0h 42m
JetBlue
Fri 10/233:19 pm
SJU
-
STT
Nonstop0h 35m
JetBlue
Deal found 7/19$184
This Cheapflightsfares deal was found by Cheapflights users on 7/23. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/123:00 pm
STT
-
SJU
Nonstop0h 44m
JetBlue
Wed 9/161:25 pm
SJU
-
STT
Nonstop0h 36m
JetBlue
Deal found 7/23$197
This Priceline deal was found by Cheapflights users on 7/19. 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.
Thu 11/125:40 pm
STT
-
SJU
Nonstop0h 46m
JetBlue
Mon 11/164:05 pm
SJU
-
STT
Nonstop0h 39m
JetBlue
Deal found 7/19$209
This Priceline deal was found by Cheapflights users on 7/19. 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.
Tue 8/253:45 pm
STT
-
SJU
Nonstop0h 42m
JetBlue
Fri 8/282:32 pm
SJU
-
STT
Nonstop0h 37m
JetBlue
Deal found 7/19$219
This Super.com deal was found by Cheapflights users on 7/23. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/263:45 pm
STT
-
SJU
Nonstop0h 42m
JetBlue
Thu 8/272:17 pm
SJU
-
STT
Nonstop0h 38m
JetBlue
Deal found 7/23$223

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

Discover tips and strategies to find the most affordable flight options for your journey from Saint Thomas Island (STT) to Luis Munoz Marin Intl (SJU). 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 July 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$159
(Priceline)

One-way from

$88
(Super.com)

Popular in

June

Cheapest in

September

Average price

$268

Good round-trip deal

$321 or less

Good one-way deal

$225 or less
Provider with most accurate pricing for Saint Thomas Island Cyril E King-San Juan Luis Munoz Marin Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Saint Thomas Island Cyril E King-San Juan Luis Munoz Marin Intl flights.
Search Deals
From Saint Thomas Island Cyril E King to San Juan Luis Munoz Marin Intl
Search Deals
One-way flight from Saint Thomas Island Cyril E King to San Juan Luis Munoz Marin Intl
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($56 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Saint Thomas Island Cyril E King to San Juan Luis Munoz Marin Intl.
Search Deals
Price to beat on a one-way flight from Saint Thomas Island Cyril E King to San Juan Luis Munoz Marin Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Saint Thomas Island to Luis Munoz Marin Intl 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 July 24, 2026.
Use the filters below to find and compare flights from Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport 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

Tue 10/27

4:40 pm-5:27 pm

Nonstop0h 47m

San Juan Luis Munoz Marin Intl

Wed 10/28

3:05 pm-3:45 pm

Nonstop0h 40m

$179
Quickest round-trip

Saint Thomas IslandSan Juan

STT - SJU

STTSJU

Saint Thomas Island Cyril E King

Wed 1/20

4:00 pm-4:43 pm

Nonstop0h 43m

San Juan Luis Munoz Marin Intl

Sun 1/24

2:30 pm-3:05 pm

Nonstop0h 35m

$209

Saint Thomas IslandSan Juan

STT - SJU

STTSJU

Saint Thomas Island Cyril E King

Tue 8/25

3:45 pm-4:27 pm

Nonstop0h 42m

San Juan Luis Munoz Marin Intl

Fri 8/28

2:32 pm-3:09 pm

Nonstop0h 37m

$219

Saint Thomas IslandSan Juan

STT - SJU

STTSJU

Saint Thomas Island Cyril E King

Sat 8/8

9:28 am-5:35 pm

1 stop8h 07m

San Juan Luis Munoz Marin Intl

Wed 9/2

2:17 pm-2:55 pm

Nonstop0h 38m

$293

Saint Thomas IslandSan Juan

STT - SJU

STTSJU

Saint Thomas Island Cyril E King

Thu 8/6

7:00 am-5:34 pm

1 stop10h 34m

San Juan Luis Munoz Marin Intl

Sun 8/9

2:17 pm-2:55 pm

Nonstop0h 38m

$294
Cheapest one-way

Saint Thomas IslandSan Juan

STT - SJU

STTSJU

Saint Thomas Island Cyril E King

Thu 10/1

3:00 pm-3:44 pm

Nonstop0h 44m

$90

Saint Thomas IslandSan Juan

STT - SJU

STTSJU

Saint Thomas Island Cyril E King

Thu 9/17

3:40 pm-4:25 pm

Nonstop0h 45m

$90

Saint Thomas IslandSan Juan

STT - SJU

STTSJU

Saint Thomas Island Cyril E King

Sun 9/20

3:00 pm-3:44 pm

Nonstop0h 44m

$90

Saint Thomas IslandSan Juan

STT - SJU

STTSJU

Saint Thomas Island Cyril E King

Mon 9/21

3:00 pm-3:44 pm

Nonstop0h 44m

$90
Quickest one-way

Saint Thomas IslandSan Juan

STT - SJU

STTSJU

Saint Thomas Island Cyril E King

Mon 10/19

4:54 pm-5:36 pm

Nonstop0h 42m

$90

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/23

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

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

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 Saint Thomas Island to Luis Munoz Marin Intl in July.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star
CheapOairPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars
MytripPrice Accuracy2 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 Saint Thomas Island-San Juan Luis Munoz Marin Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Saint Thomas Island-San Juan Luis Munoz Marin Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Saint Thomas Island-San Juan Luis Munoz Marin Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Saint Thomas Island-San Juan Luis Munoz Marin Intl Airport 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 Saint Thomas Island-San Juan Luis Munoz Marin Intl Airport 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 Saint Thomas Island to Luis Munoz Marin Intl

Have a flexible travel schedule? Discover the best time to fly to Luis Munoz Marin Intl 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 Luis Munoz Marin Intl Airport

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

The best time to book flights from Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport is 7 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, September is the cheapest month in which you can book a flight from Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport (average of $168). Flying from Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport in June is currently the most expensive (average of $321). 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 Luis Munoz Marin Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 24, 2026.

When flying from Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport?

Airfare is typical for this route at the moment.

Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport flights typically cost between $156 and $290 in October.
The cheapest round-trip price found within the last 5 days was $159 on JetBlue (Oct 1-Oct 10).

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

Get insights into the airlines that provide service to Luis Munoz Marin Intl. 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 Luis Munoz Marin Intl. Reviews last updated July 24, 2026.
See what other customers who have flown with Cape Air,JetBlue, andFrontier from Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Cape Air
9.3
Wonderful
33 reviews

Boarding

9.0

Food

8.7

Entertainment

8.9

Overall

9.3

Comfort

8.6

Crew

9.4
Cape Air
9.3
Wonderful
33 reviews
Cape Air
9.3
Wonderful
33 reviews

Boarding

9.0

Food

8.7

Entertainment

8.9

Overall

9.3

Comfort

8.6

Crew

9.4
JetBlue
7.1
Good
3,022 reviews
Cape Air
9.3
Wonderful
33 reviews

Boarding

9.0

Food

8.7

Entertainment

8.9

Overall

9.3

Comfort

8.6

Crew

9.4
Frontier
5.6
Fair
2,770 reviews
Cape Air
9.3
Wonderful
33 reviews

Boarding

9.0

Food

8.7

Entertainment

8.9

Overall

9.3

Comfort

8.6

Crew

9.4

Related info for your journey

Find useful and relevant information for your journey from Saint Thomas Island to Luis Munoz Marin Intl. 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 Luis Munoz Marin Intl?

    If you book a flight to San Juan Luis Munoz Marin Intl from Saint Thomas Island, you will be flying from Cyril E King, which is the city’s only airport. Saint Thomas Island Cyril E King (STT) is located 2.8 mi from the center of Saint Thomas Island. There are 14 flights from Cyril E King to San Juan Luis Munoz Marin Intl per day from 3 different airlines.

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

    Airlines like JetBlue fly from Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport in about 42m. The time it takes to get you to your destination is usually consistent. The distance between Saint Thomas Island and San Juan Luis Munoz Marin Intl Airport is about 68 mi. Most flights are nonstop.

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

    Cheapflights users have booked flights from Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport round-trip from $45. Other airlines that can offer you cheap pricing are JetBlue, from $120, and Cape Air, from $204. Frontier is 81% cheaper than the average price of flights available within the next 90 days to this destination.

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

    $63 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on JetBlue and Cape Air, with prices starting from $69 and $110, respectively.

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

    Before booking your flight to San Juan Luis Munoz Marin Intl Airport from Saint Thomas Island, check out the most reliable airlines to get you to your destination on time: JetBlue (80%), Cape Air (80%), Qatar Airways( 73%).

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

    The cheapest flight price from Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport is $158. On average you can expect to pay $421. The most popular route, (Saint Thomas Island Cyril E King - San Juan Luis Munoz Marin Intl), can usually be booked for $174.

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

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

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

    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 Luis Munoz Marin Intl.

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

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

    Currently, September is the cheapest month in which you can book a flight from Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport (average of $168). Flying from Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport in June is currently the most expensive (average of $321). 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 San Juan Luis Munoz Marin Intl Airport?

Book flights to San Juan Luis Munoz Marin Intl Airport if you plan to visit one of these locations
Fajardo
Luquillo
Dorado
Rio Grande
Humacao
Bayamón

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 3 airlines flying from Saint Thomas Island to Luis Munoz Marin Intl

Discover the top 3 airlines that operate flights from Saint Thomas Island to Luis Munoz Marin Intl. 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 July 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$45Average$58FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$120Average$246FlexibilityNo cancel feeOn-time62%
Cape AirCheapest$204Average$367FlexibilityNo 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.