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Santiago de los Caballeros

$82+ Cheap flights from Luis Munoz Marin Intl (SJU) to Santiago de los Caballeros (STI)

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 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — STI
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheapflights Tip: The best prices from San Juan Luis Munoz Marin Intl to Santiago de los Caballeros are usually found in February or October, booked 34 days in advance, depart on a Friday or Monday and return on a Monday

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

Discover tips and strategies to find the most affordable flight options for your journey from Luis Munoz Marin Intl (SJU) to Santiago de los Caballeros (STI). 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 August 14, 2025.

Round-trip from

$174
(Frontier)

One-way from

$82
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$217

Good round-trip deal

$175 or less

Good one-way deal

$113 or less
From San Juan Luis Munoz Marin Intl to Santiago de los Caballeros
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One-way flight from San Juan Luis Munoz Marin Intl to Santiago de los Caballeros
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Highest demand for flights based on searches. 11% potential increase in price ($28 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($9 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 Santiago de los Caballeros.
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Price to beat on a one-way flight from San Juan Luis Munoz Marin Intl to Santiago de los Caballeros.
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Find flight deals from Luis Munoz Marin Intl to Santiago de los Caballeros

Cheapest flights from Luis Munoz Marin Intl to Santiago de los Caballeros
Explore the most affordable flight options available from Luis Munoz Marin Intl to Santiago de los Caballeros. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This Frontier deal was found by Cheapflights users on 8/13. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1111:40 amSJU - STI
Nonstop1h 19mFrontier
Sun 9/142:04 pmSTI - SJU
Nonstop1h 12mFrontier
Deal found 8/13$174
This Frontier deal was found by Cheapflights users on 8/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2110:57 amSJU - STI
Nonstop1h 19mFrontier
Tue 8/261:26 pmSTI - SJU
Nonstop1h 17mFrontier
Deal found 8/14$175
This Frontier deal was found by Cheapflights users on 8/13. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1910:57 amSJU - STI
Nonstop1h 19mFrontier
Tue 9/21:26 pmSTI - SJU
Nonstop1h 17mFrontier
Deal found 8/13$191
This Priceline deal was found by Cheapflights users on 8/13. 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.
Fri 8/292:50 pmSJU - STI
Nonstop1h 12mJetBlue
Wed 9/38:40 amSTI - SJU
Nonstop1h 08mJetBlue
Deal found 8/13$207
This JetBlue deal was found by Cheapflights users on 8/13. 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 8/1612:30 pmSJU - STI
Nonstop1h 10mJetBlue
Tue 8/195:15 pmSTI - SJU
Nonstop1h 10mJetBlue
Deal found 8/13$217
This JetBlue deal was found by Cheapflights users on 8/13. 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.
Mon 10/271:58 pmSJU - STI
Nonstop1h 15mJetBlue
Mon 11/35:25 pmSTI - SJU
Nonstop1h 10mJetBlue
Deal found 8/13$218
This Frontier deal was found by Cheapflights users on 8/13. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1511:30 amSJU - STI
Nonstop1h 21mFrontier
Mon 8/182:06 pmSTI - SJU
Nonstop1h 17mFrontier
Deal found 8/13$221
This JetBlue deal was found by Cheapflights users on 8/14. 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.
Mon 9/1511:35 amSJU - STI
Nonstop1h 15mJetBlue
Sat 9/202:35 pmSTI - SJU
Nonstop1h 14mJetBlue
Deal found 8/14$225
This Priceline deal was found by Cheapflights users on 8/13. 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.
Fri 9/1911:35 amSJU - STI
Nonstop1h 15mJetBlue
Sun 9/212:00 pmSTI - SJU
Nonstop1h 14mJetBlue
Deal found 8/13$232
This JetBlue deal was found by Cheapflights users on 8/13. 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 9/311:35 amSJU - STI
Nonstop1h 15mJetBlue
Mon 9/82:00 pmSTI - SJU
Nonstop1h 14mJetBlue
Deal found 8/13$247
This JetBlue deal was found by Cheapflights users on 8/13. 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 8/142:50 pmSJU - STI
Nonstop1h 12mJetBlue
Tue 8/195:15 pmSTI - SJU
Nonstop1h 10mJetBlue
Deal found 8/13$252

Cheapflights Fare Finder

 
Customize your flight search to find flights from Luis Munoz Marin Intl to Santiago de los Caballeros 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 August 14, 2025.
Use the filters below to find and compare flights from San Juan Luis Munoz Marin Intl Airport to Santiago de los Caballeros that are best for you.

Fly from

Luis Munoz Marin Intl

Fly to

Santiago de los Caballeros

Route

Depart

Return

Price

San JuanSantiago de los Caballeros

SJU - STI

SJUSTI

San Juan Luis Munoz Marin Intl

Thu 9/11

11:40 am-12:59 pm

Nonstop1h 19m

Santiago de los Caballeros

Sun 9/14

2:04 pm-3:16 pm

Nonstop1h 12m

$174

San JuanSantiago de los Caballeros

SJU - STI

SJUSTI

San Juan Luis Munoz Marin Intl

Thu 8/28

10:57 am-12:16 pm

Nonstop1h 19m

Santiago de los Caballeros

Sun 8/31

1:26 pm-2:43 pm

Nonstop1h 17m

$175

San JuanSantiago de los Caballeros

SJU - STI

SJUSTI

San Juan Luis Munoz Marin Intl

Sun 9/28

11:40 am-12:59 pm

Nonstop1h 19m

Santiago de los Caballeros

Sun 10/5

2:04 pm-3:16 pm

Nonstop1h 12m

$175

San JuanSantiago de los Caballeros

SJU - STI

SJUSTI

San Juan Luis Munoz Marin Intl

Fri 8/29

2:50 pm-4:02 pm

Nonstop1h 12m

Santiago de los Caballeros

Wed 9/3

8:40 am-9:48 am

Nonstop1h 08m

$207

San JuanSantiago de los Caballeros

SJU - STI

SJUSTI

San Juan Luis Munoz Marin Intl

Wed 9/17

11:35 am-12:50 pm

Nonstop1h 15m

Santiago de los Caballeros

Wed 9/24

2:00 pm-3:14 pm

Nonstop1h 14m

$207

San JuanSantiago de los Caballeros

SJU - STI

SJUSTI

San Juan Luis Munoz Marin Intl

Mon 10/27

1:58 pm-3:13 pm

Nonstop1h 15m

Santiago de los Caballeros

Mon 11/3

5:25 pm-6:35 pm

Nonstop1h 10m

$218

San JuanSantiago de los Caballeros

SJU - STI

SJUSTI

San Juan Luis Munoz Marin Intl

Mon 9/15

11:35 am-12:50 pm

Nonstop1h 15m

Santiago de los Caballeros

Sat 9/20

2:35 pm-3:49 pm

Nonstop1h 14m

$225

San JuanSantiago de los Caballeros

SJU - STI

SJUSTI

San Juan Luis Munoz Marin Intl

Fri 9/19

11:35 am-12:50 pm

Nonstop1h 15m

Santiago de los Caballeros

Sun 9/21

2:00 pm-3:14 pm

Nonstop1h 14m

$232

San JuanSantiago de los Caballeros

SJU - STI

SJUSTI

San Juan Luis Munoz Marin Intl

Sat 9/13

12:10 pm-1:25 pm

Nonstop1h 15m

Santiago de los Caballeros

Mon 9/22

2:00 pm-3:14 pm

Nonstop1h 14m

$247

San JuanSantiago de los Caballeros

SJU - STI

SJUSTI

San Juan Luis Munoz Marin Intl

Mon 10/6

11:35 am-12:50 pm

Nonstop1h 15m

Santiago de los Caballeros

Sat 10/11

2:35 pm-3:49 pm

Nonstop1h 14m

$247

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Showing 1-10 of 23 results
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Best time to book a flight from Luis Munoz Marin Intl to Santiago de los Caballeros

Have a flexible travel schedule? Discover the best time to fly to Santiago de los Caballeros 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 Santiago de los Caballeros

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

Use this chart to determine the optimal time to book a round-trip flight from Luis Munoz Marin Intl to Santiago de los Caballeros. Price data was last updated on August 8, 2025.

Booking 34 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Juan Luis Munoz Marin Intl Airport to Santiago de los Caballeros. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from San Juan Luis Munoz Marin Intl Airport to Santiago de los Caballeros?

Currently, May is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport to Santiago de los Caballeros (average of $347). Flying from San Juan Luis Munoz Marin Intl Airport to Santiago de los Caballeros in July is currently the most expensive (average of $601). 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 STI?

Find hourly flight availability from Luis Munoz Marin Intl to Santiago de los Caballeros. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 14, 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 Santiago de los Caballeros in the afternoon. If you’re flexible enough to do this you can expect to save up to 43% on your trip compared to booking a flight in the evening.

Reviews of airlines servicing Santiago de los Caballeros

Get insights into the airlines that provide service to Santiago de los Caballeros. 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 Santiago de los Caballeros. Reviews last updated August 14, 2025.
Read through reviews of airlines operating flights from San Juan Luis Munoz Marin Intl Airport to Santiago de los Caballeros, such as JetBlue, Silver Airways, and Frontier. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
JetBlue
7.2
Good
2,913 reviews

Comfort

7.6

Entertainment

7.3

Crew

8.0

Food

6.7

Boarding

7.4

Overall

7.2

Reviews

1 / 20
2.0
Mediocre

Kevin,Jul 2025

JFK - POS

Flight was delayed a couple hours with no explanation. The aircraft was changed and so did our seating arrangement with no notice.
JetBlue
7.2
Good
2,913 reviews
JetBlue
7.2
Good
2,913 reviews

Comfort

7.6

Entertainment

7.3

Crew

8.0

Food

6.7

Boarding

7.4

Overall

7.2

Reviews

1 / 20
2.0
Mediocre

Kevin,Jul 2025

JFK - POS

Flight was delayed a couple hours with no explanation. The aircraft was changed and so did our seating arrangement with no notice.
Silver Airways
5.9
Fair
250 reviews
JetBlue
7.2
Good
2,913 reviews

Comfort

7.6

Entertainment

7.3

Crew

8.0

Food

6.7

Boarding

7.4

Overall

7.2

Reviews

1 / 20
2.0
Mediocre

Kevin,Jul 2025

JFK - POS

Flight was delayed a couple hours with no explanation. The aircraft was changed and so did our seating arrangement with no notice.
Frontier
5.8
Fair
3,217 reviews
JetBlue
7.2
Good
2,913 reviews

Comfort

7.6

Entertainment

7.3

Crew

8.0

Food

6.7

Boarding

7.4

Overall

7.2

Reviews

1 / 20
2.0
Mediocre

Kevin,Jul 2025

JFK - POS

Flight was delayed a couple hours with no explanation. The aircraft was changed and so did our seating arrangement with no notice.

Related info for your journey

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

    Located just 6.8 mi from the city center, Santiago de los Caballeros is the airport most travelers will use when flying to Santiago de los Caballeros from San Juan Luis Munoz Marin Intl. Booking flights from San Juan Luis Munoz Marin Intl to Santiago (STI) should be relatively easy as there are 0 daily inbound flights from San Juan Luis Munoz Marin Intl from 3 different airlines.

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

    Our cheapest airline available from San Juan Luis Munoz Marin Intl Airport to Santiago de los Caballeros is Frontier. Our recent data shows that you can find tickets from as low as $82 on this airline. Additional options worth looking into are JetBlue and Silver Airways, starting at $173 and $232 round-trip. 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 San Juan Luis Munoz Marin Intl Airport to Santiago de los Caballeros?

    Looking at all options, your cheapest flight can be booked for $82. While the most popular route (San Juan Luis Munoz Marin Intl - Santiago de los Caballeros) can be booked for $204 on average our data indicates $165 when flying from San Juan Luis Munoz Marin Intl Airport to Santiago de los Caballeros.

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

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

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

    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 Santiago de los Caballeros.

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

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

    Currently, May is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport to Santiago de los Caballeros (average of $347). Flying from San Juan Luis Munoz Marin Intl Airport to Santiago de los Caballeros in July is currently the most expensive (average of $601). 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

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

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

Top 3 airlines flying from Luis Munoz Marin Intl to Santiago de los Caballeros

Discover the top 3 airlines that operate flights from Luis Munoz Marin Intl to Santiago de los Caballeros. 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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$82Average$175FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$173Average$270FlexibilityNo cancel feeOn-time62%
Silver AirwaysCheapest$232Average$322FlexibilityNo cancel feeOn-timeN/A

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