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Luis Munoz Marin Intl

$70+ 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 2/7. Fares are subject to change and may not be available on all flights or dates of travel.
STT — SJU
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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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

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3. Compare prices and book

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Cheapflights Tip: The best prices from Saint Thomas Island Cyril E King to San Juan Luis Munoz Marin Intl are usually found in March or February, booked 46 days in advance, depart on a Monday or Friday and return on a Monday

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 December 12, 2025.

This JetBlue deal was found by Cheapflights users on 12/11. 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.
Tue 12/302:55 pmSTT - SJU
Nonstop0h 44mJetBlue
Fri 1/21:24 pmSJU - STT
Nonstop0h 36mJetBlue
Deal found 12/11$119
This Priceline deal was found by Cheapflights users on 12/10. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/282:55 pmSTT - SJU
Nonstop0h 44mJetBlue
Tue 12/301:24 pmSJU - STT
Nonstop0h 36mJetBlue
Deal found 12/10$159
This Priceline deal was found by Cheapflights users on 12/10. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/292:55 pmSTT - SJU
Nonstop0h 44mJetBlue
Thu 1/11:24 pmSJU - STT
Nonstop0h 36mJetBlue
Deal found 12/10$184
This deal was found by Cheapflights users on 12/10. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/292:55 pmSTT - SJU
Nonstop0h 44mJetBlue
Fri 1/21:24 pmSJU - STT
Nonstop0h 36mJetBlue
Deal found 12/10$194
This deal was found by Cheapflights users on 12/10. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/302:55 pmSTT - SJU
Nonstop0h 44mJetBlue
Thu 1/11:24 pmSJU - STT
Nonstop0h 36mJetBlue
Deal found 12/10$204
This Priceline deal was found by Cheapflights users on 12/10. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/292:55 pmSTT - SJU
Nonstop0h 44mJetBlue
Sat 1/312:49 pmSJU - STT
Nonstop0h 36mJetBlue
Deal found 12/10$214
This Expedia deal was found by Cheapflights users on 12/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/212:55 pmSTT - SJU
Nonstop0h 44mJetBlue
Tue 12/231:24 pmSJU - STT
Nonstop0h 36mJetBlue
Deal found 12/10$224
This Priceline deal was found by Cheapflights users on 12/10. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/173:34 pmSTT - SJU
Nonstop0h 46mJetBlue
Fri 12/191:24 pmSJU - STT
Nonstop0h 36mJetBlue
Deal found 12/10$234
This Priceline deal was found by Cheapflights users on 12/10. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/297:00 amSTT - SJU
1 stop9h 19mMultiple Airlines
Thu 1/11:24 pmSJU - STT
Nonstop0h 36mMultiple Airlines
Deal found 12/10$248
This JetBlue deal was found by Cheapflights users on 12/10. 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.
Fri 12/192:55 pmSTT - SJU
Nonstop0h 44mJetBlue
Wed 1/72:30 pmSJU - STT
Nonstop0h 35mJetBlue
Deal found 12/10$249
This CheapOair deal was found by Cheapflights users on 12/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/307:00 amSTT - SJU
1 stop9h 19mMultiple Airlines
Fri 1/21:24 pmSJU - STT
Nonstop0h 36mMultiple Airlines
Deal found 12/10$254

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 December 12, 2025.

Most accurate provider

OneTravel
3 stars

Most trusted provider

OneTravel
3 stars

Round-trip from

$119
(JetBlue)

One-way from

$70
(JetBlue)

Popular in

October

Cheapest in

March

Average price

$193

Good round-trip deal

$203 or less

Good one-way deal

$168 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. 22% potential increase in price ($44 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 12, 2025.
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

Saint Thomas Island

Fly to

Luis Munoz Marin Intl

Route

Depart

Return

Price

Saint Thomas IslandSan Juan

STT - SJU

STTSJU

Saint Thomas Island Cyril E King

Tue 12/30

2:55 pm-3:39 pm

Nonstop0h 44m

San Juan Luis Munoz Marin Intl

Fri 1/2

1:24 pm-2:00 pm

Nonstop0h 36m

$119

Saint Thomas IslandSan Juan

STT - SJU

STTSJU

Saint Thomas Island Cyril E King

Mon 3/16

5:10 pm-5:55 pm

Nonstop0h 45m

San Juan Luis Munoz Marin Intl

Fri 3/20

3:40 pm-4:15 pm

Nonstop0h 35m

$129

Saint Thomas IslandSan Juan

STT - SJU

STTSJU

Saint Thomas Island Cyril E King

Mon 3/2

3:30 pm-4:17 pm

Nonstop0h 47m

San Juan Luis Munoz Marin Intl

Thu 3/5

2:00 pm-2:35 pm

Nonstop0h 35m

$129

Saint Thomas IslandSan Juan

STT - SJU

STTSJU

Saint Thomas Island Cyril E King

Thu 2/12

3:56 pm-4:39 pm

Nonstop0h 43m

San Juan Luis Munoz Marin Intl

Sun 2/15

2:26 pm-3:01 pm

Nonstop0h 35m

$149

Saint Thomas IslandSan Juan

STT - SJU

STTSJU

Saint Thomas Island Cyril E King

Wed 2/18

3:56 pm-4:39 pm

Nonstop0h 43m

San Juan Luis Munoz Marin Intl

Sun 2/22

2:26 pm-3:01 pm

Nonstop0h 35m

$149

Saint Thomas IslandSan Juan

STT - SJU

STTSJU

Saint Thomas Island Cyril E King

Sun 12/28

2:55 pm-3:39 pm

Nonstop0h 44m

San Juan Luis Munoz Marin Intl

Tue 12/30

1:24 pm-2:00 pm

Nonstop0h 36m

$159

Saint Thomas IslandSan Juan

STT - SJU

STTSJU

Saint Thomas Island Cyril E King

Sat 1/10

4:00 pm-4:43 pm

Nonstop0h 43m

San Juan Luis Munoz Marin Intl

Mon 1/12

2:30 pm-3:05 pm

Nonstop0h 35m

$169

Saint Thomas IslandSan Juan

STT - SJU

STTSJU

Saint Thomas Island Cyril E King

Thu 2/19

3:56 pm-4:39 pm

Nonstop0h 43m

San Juan Luis Munoz Marin Intl

Sat 2/21

2:26 pm-3:01 pm

Nonstop0h 35m

$179

Saint Thomas IslandSan Juan

STT - SJU

STTSJU

Saint Thomas Island Cyril E King

Tue 3/10

2:30 pm-3:14 pm

Nonstop0h 44m

$70

Saint Thomas IslandSan Juan

STT - SJU

STTSJU

Saint Thomas Island Cyril E King

Wed 2/11

5:15 pm-6:00 pm

Nonstop0h 45m

$70

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

Showing 1-10 of 17 results
1
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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 December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
OneTravelPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice 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 OneTravel to be most consistent on Cheapflights vs. OneTravel Users can find the same prices on Saint Thomas Island-San Juan Luis Munoz Marin Intl Airport flight deals on Cheapflights vs. OneTravel >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 OneTravel the most. OneTravel 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?

Use this chart to determine the optimal time to book a round-trip flight from Saint Thomas Island to Luis Munoz Marin Intl. Price data was last updated on December 5, 2025.

The best time to book flights from Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport is 46 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, July 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 $17). Flying from Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport in September is currently the most expensive (average of $112). 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 December 12, 2025.

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.

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
Airports
STT

Enjoy quick screening times at STT with easy check-in and departure, making it one of the most convenient airports in Florida.

Read more about STTBy Mark Chesnut
SJU

For a quick ride from SJU, use Uber for convenience and cashless payment, available outside arrivals.

Read more about SJUBy Brandon Schultz
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

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 December 12, 2025.
See what other customers who have flown with Cape Air, United Airlines, and JetBlue 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
9.4
Wonderful
37 reviews

Food

8.9

Comfort

8.8

Crew

9.5

Entertainment

9.0

Overall

9.4

Boarding

9.1
Cape Air
9.4
Wonderful
37 reviews
Cape Air
9.4
Wonderful
37 reviews

Food

8.9

Comfort

8.8

Crew

9.5

Entertainment

9.0

Overall

9.4

Boarding

9.1
United Airlines
7.4
Good
9,095 reviews
Cape Air
9.4
Wonderful
37 reviews

Food

8.9

Comfort

8.8

Crew

9.5

Entertainment

9.0

Overall

9.4

Boarding

9.1
JetBlue
7.2
Good
2,898 reviews
Cape Air
9.4
Wonderful
37 reviews

Food

8.9

Comfort

8.8

Crew

9.5

Entertainment

9.0

Overall

9.4

Boarding

9.1
Frontier
5.8
Fair
3,084 reviews
Cape Air
9.4
Wonderful
37 reviews

Food

8.9

Comfort

8.8

Crew

9.5

Entertainment

9.0

Overall

9.4

Boarding

9.1
Silver Airways
5.7
Fair
Cape Air
9.4
Wonderful
37 reviews

Food

8.9

Comfort

8.8

Crew

9.5

Entertainment

9.0

Overall

9.4

Boarding

9.1

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 16 flights from Cyril E King to San Juan Luis Munoz Marin Intl per day from 5 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 44m. 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 $21. Other airlines that can offer you cheap pricing are JetBlue, from $54, and United Airlines, from $58. Frontier is 86% 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?

    $14 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Silver Airways and United Airlines, with prices starting from $51 and $58, 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: Cape Air (83%), JetBlue (81%), United Airlines( 46%).

  • 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 $79. On average you can expect to pay $298. 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, July 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 $17). Flying from Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport in September is currently the most expensive (average of $112). 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
Dorado
Fajardo
Rio Grande
Humacao
Luquillo
Bayamón

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Saint Thomas Island to Luis Munoz Marin Intl

See prices for flight routes from nearby airports that may be better suited for you.
Christiansted to Luis Munoz Marin Intl flights

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

Discover the top 5 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$22Average$59FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$58Average$77FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$75Average$167FlexibilityNo cancel feeOn-time62%
Silver AirwaysCheapest$99Average$168FlexibilityNo cancel feeOn-timeN/A
Cape AirCheapest$170Average$338FlexibilityNo cancel feeOn-time63%

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