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Luis Munoz Marin Intl

$112+ Cheap flights from Santiago de los Caballeros (STI) 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 10/11. Fares are subject to change and may not be available on all flights or dates of travel.
STI — SJU
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Find cheap flights from Santiago de los Caballeros to Luis Munoz Marin Intl with Cheapflights

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Cheapflights Tip: The best prices from Santiago de los Caballeros to San Juan Luis Munoz Marin Intl are usually found in March or September, booked 78 days in advance, depart on a Wednesday or Monday and return on a Friday

Cheap flight deals from Santiago de los Caballeros to Luis Munoz Marin Intl

Discover tips and strategies to find the most affordable flight options for your journey from Santiago de los Caballeros (STI) 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 September 15, 2025.

Round-trip from

$173
(JetBlue)

One-way from

$112
(JetBlue)

Popular in

August

Cheapest in

March

Average price

$181

Good round-trip deal

$226 or less

Good one-way deal

$226 or less
From Santiago de los Caballeros to San Juan Luis Munoz Marin Intl
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One-way flight from Santiago de los Caballeros to San Juan Luis Munoz Marin Intl
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High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 0% potential price decrease ($3 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Santiago de los Caballeros to San Juan Luis Munoz Marin Intl.
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Price to beat on a one-way flight from Santiago de los Caballeros to San Juan Luis Munoz Marin Intl.
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Find flight deals from Santiago de los Caballeros to Luis Munoz Marin Intl

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

This JetBlue deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/202:35 pmSTI - SJU
Nonstop1h 14mJetBlue
Sun 9/2111:35 amSJU - STI
Nonstop1h 15mJetBlue
Deal found 9/15$173
This CheapOair deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/232:00 pmSTI - SJU
Nonstop1h 14mJetBlue
Fri 9/2611:35 amSJU - STI
Nonstop1h 15mJetBlue
Deal found 9/15$182
This JetBlue deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/262:00 pmSTI - SJU
Nonstop1h 14mJetBlue
Mon 9/2911:35 amSJU - STI
Nonstop1h 15mJetBlue
Deal found 9/15$183
This JetBlue deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/314:30 pmSTI - SJU
Nonstop1h 12mJetBlue
Mon 11/32:58 pmSJU - STI
Nonstop1h 17mJetBlue
Deal found 9/14$199
This JetBlue deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/125:25 pmSTI - SJU
Nonstop1h 10mJetBlue
Tue 11/182:58 pmSJU - STI
Nonstop1h 17mJetBlue
Deal found 9/14$209
This CheapOair deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/14:23 pmSTI - SJU
Nonstop1h 15mJetBlue
Tue 11/42:58 pmSJU - STI
Nonstop1h 17mJetBlue
Deal found 9/14$217
This JetBlue deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/223:50 pmSTI - SJU
Nonstop1h 15mJetBlue
Wed 11/261:26 pmSJU - STI
Nonstop1h 15mJetBlue
Deal found 9/15$257
This CheapOair deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/286:34 pmSTI - SJU
Nonstop1h 11mJetBlue
Thu 1/14:11 pmSJU - STI
Nonstop1h 13mJetBlue
Deal found 9/12$264
This JetBlue deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/82:00 pmSTI - SJU
Nonstop1h 14mJetBlue
Sat 10/259:55 pmSJU - STI
1 stop9h 24mJetBlue
Deal found 9/15$280

Cheapflights Fare Finder

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

Fly from

Santiago de los Caballeros

Fly to

Luis Munoz Marin Intl

Route

Depart

Return

Price

Santiago de los CaballerosSan Juan

STI - SJU

STISJU

Santiago de los Caballeros

Tue 10/14

2:00 pm-3:14 pm

Nonstop1h 14m

San Juan Luis Munoz Marin Intl

Tue 10/21

11:35 am-12:50 pm

Nonstop1h 15m

$173

Santiago de los CaballerosSan Juan

STI - SJU

STISJU

Santiago de los Caballeros

Fri 10/10

2:00 pm-3:14 pm

Nonstop1h 14m

San Juan Luis Munoz Marin Intl

Tue 10/14

11:35 am-12:50 pm

Nonstop1h 15m

$173

Santiago de los CaballerosSan Juan

STI - SJU

STISJU

Santiago de los Caballeros

Fri 9/26

2:00 pm-3:14 pm

Nonstop1h 14m

San Juan Luis Munoz Marin Intl

Mon 9/29

11:35 am-12:50 pm

Nonstop1h 15m

$207

Santiago de los CaballerosSan Juan

STI - SJU

STISJU

Santiago de los Caballeros

Wed 1/14

4:25 pm-5:35 pm

Nonstop1h 10m

San Juan Luis Munoz Marin Intl

Sun 1/18

2:00 pm-3:15 pm

Nonstop1h 15m

$209

Santiago de los CaballerosSan Juan

STI - SJU

STISJU

Santiago de los Caballeros

Thu 2/12

3:25 pm-4:23 pm

Nonstop0h 58m

San Juan Luis Munoz Marin Intl

Thu 2/19

1:15 pm-2:14 pm

Nonstop0h 59m

$209

Santiago de los CaballerosSan Juan

STI - SJU

STISJU

Santiago de los Caballeros

Wed 11/12

5:25 pm-6:35 pm

Nonstop1h 10m

San Juan Luis Munoz Marin Intl

Tue 11/18

2:58 pm-4:15 pm

Nonstop1h 17m

$209

Santiago de los CaballerosSan Juan

STI - SJU

STISJU

Santiago de los Caballeros

Tue 2/3

4:25 pm-5:35 pm

Nonstop1h 10m

San Juan Luis Munoz Marin Intl

Sun 2/8

2:00 pm-3:15 pm

Nonstop1h 15m

$209

Santiago de los CaballerosSan Juan

STI - SJU

STISJU

Santiago de los Caballeros

Sun 3/1

3:25 pm-4:23 pm

Nonstop0h 58m

San Juan Luis Munoz Marin Intl

Thu 3/5

1:15 pm-2:14 pm

Nonstop0h 59m

$217

Santiago de los CaballerosSan Juan

STI - SJU

STISJU

Santiago de los Caballeros

Sun 12/28

6:34 pm-7:45 pm

Nonstop1h 11m

San Juan Luis Munoz Marin Intl

Thu 1/1

4:11 pm-5:24 pm

Nonstop1h 13m

$264

Santiago de los CaballerosSan Juan

STI - SJU

STISJU

Santiago de los Caballeros

Wed 10/8

2:00 pm-3:14 pm

Nonstop1h 14m

San Juan Luis Munoz Marin Intl

Sat 10/25

9:55 pm-7:19 am

1 stop9h 24m

$280

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 21 results
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2
3

Best time to book a flight from Santiago de los Caballeros to Luis Munoz Marin Intl

Have a flexible travel schedule? Discover the best time to fly to Luis Munoz Marin Intl from Santiago de los Caballeros 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 Santiago de los Caballeros to San Juan Luis Munoz Marin Intl Airport

How far ahead should I book a flight from Santiago de los Caballeros to San Juan Luis Munoz Marin Intl Airport?

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

To ensure you get the cheapest price possible for a flight from Santiago de los Caballeros to San Juan Luis Munoz Marin Intl Airport, you should look to book at least 78 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 Santiago de los Caballeros to San Juan Luis Munoz Marin Intl Airport?

Currently, September is the cheapest month in which you can book a flight from Santiago de los Caballeros to San Juan Luis Munoz Marin Intl Airport (average of $254). Flying from Santiago de los Caballeros to San Juan Luis Munoz Marin Intl Airport in June is currently the most expensive (average of $339). 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 STI to SJU?

Find hourly flight availability from Santiago de los Caballeros 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 September 15, 2025.

It’s optimal to fly from Santiago de los Caballeros to San Juan Luis Munoz Marin Intl Airport in the evening. By choosing this option you can save up to 39% on the cost of your flight, compared to a flight at noon.

What is the cheapest day to fly from Santiago de los Caballeros to San Juan Luis Munoz Marin Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Santiago de los Caballeros to Luis Munoz Marin Intl. Price data was last updated on August 24, 2025.

Travelers seeking maximum savings on their Santiago de los Caballeros to San Juan Luis Munoz Marin Intl Airport flight should consider departing on Friday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 September 15, 2025.
Read reviews from past customers who have flown JetBlue and Frontier from Santiago de los Caballeros to San Juan Luis Munoz Marin Intl Airport. 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.
JetBlue
7.2
Good
2,912 reviews

Crew

8.0

Food

6.7

Comfort

7.6

Entertainment

7.3

Overall

7.2

Boarding

7.4

Reviews

1 / 20
2.0
Mediocre

Guillermo,Nov 2024

JFK - SJO

Flight canceled, returned to NY and waiting for the new one. Thanks
JetBlue
7.2
Good
2,912 reviews
JetBlue
7.2
Good
2,912 reviews

Crew

8.0

Food

6.7

Comfort

7.6

Entertainment

7.3

Overall

7.2

Boarding

7.4

Reviews

1 / 20
2.0
Mediocre

Guillermo,Nov 2024

JFK - SJO

Flight canceled, returned to NY and waiting for the new one. Thanks
Frontier
5.8
Fair
3,172 reviews
JetBlue
7.2
Good
2,912 reviews

Crew

8.0

Food

6.7

Comfort

7.6

Entertainment

7.3

Overall

7.2

Boarding

7.4

Reviews

1 / 20
2.0
Mediocre

Guillermo,Nov 2024

JFK - SJO

Flight canceled, returned to NY and waiting for the new one. Thanks

Related info for your journey

Find useful and relevant information for your journey from Santiago de los Caballeros 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 Santiago de los Caballeros to San Juan Luis Munoz Marin Intl?

    Santiago de los Caballeros (STI) is the airport you will fly out of if you book a flight from Santiago de los Caballeros to San Juan Luis Munoz Marin Intl. You should not have trouble finding flights to San Juan Luis Munoz Marin Intl from Santiago; the airport handles an average of 1 outbound flight to San Juan Luis Munoz Marin Intl per day. You should also have plenty of airline options to choose from since 2 airlines have flights from the Santiago de los Caballeros airport to San Juan Luis Munoz Marin Intl. It is only a 6.8 mi journey to Santiago (STI) from Santiago de los Caballeros’s city center.

  • How long is the flight from Santiago de los Caballeros to San Juan Luis Munoz Marin Intl Airport?

    A quick flight from Santiago de los Caballeros to San Juan Luis Munoz Marin Intl Airport can take about 1h 14m. JetBlue provides one of the quickest options available for as low as $173. Santiago de los Caballeros and San Juan Luis Munoz Marin Intl Airport are separated by a distance of 308 mi. Generally, flights for this route are nonstop.

  • What are the cheapest airlines flying from Santiago de los Caballeros to San Juan Luis Munoz Marin Intl Airport round-trip?

    Currently priced at $77, Frontier will fly you from Santiago de los Caballeros to San Juan Luis Munoz Marin Intl Airport and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on JetBlue for as low as $110. Frontier is priced at 62% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest flights from Santiago de los Caballeros to San Juan Luis Munoz Marin Intl Airport?

    Looking at all options, your cheapest flight can be booked for $124. While the most popular route (Santiago de los Caballeros - San Juan Luis Munoz Marin Intl) can be booked for $177 on average, our data indicates $253 when flying from Santiago de los Caballeros to San Juan Luis Munoz Marin Intl Airport.

  • Can I find deals for flights from Santiago de los Caballeros to Luis Munoz Marin Intl that include hotel bookings?

    Yes. In addition to deals on Santiago de los Caballeros to Luis Munoz Marin Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Santiago de los Caballeros 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 Santiago de los Caballeros to Luis Munoz Marin Intl.

  • Can I find deals for business class flights from Santiago de los Caballeros to Luis Munoz Marin Intl?

    Yes. Cheapflights offers flight deals from Santiago de los Caballeros 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 Santiago de los Caballeros to San Juan Luis Munoz Marin Intl Airport?

    Currently, September is the cheapest month in which you can book a flight from Santiago de los Caballeros to San Juan Luis Munoz Marin Intl Airport (average of $254). Flying from Santiago de los Caballeros to San Juan Luis Munoz Marin Intl Airport in June is currently the most expensive (average of $339). 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
Luquillo
Humacao

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Santiago de los Caballeros to Luis Munoz Marin Intl

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

Top 2 airlines flying from Santiago de los Caballeros to Luis Munoz Marin Intl

Discover the top 2 airlines that operate flights from Santiago de los Caballeros 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$77Average$163FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$110Average$238FlexibilityNo cancel feeOn-time62%

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