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Santiago de los Caballeros

$82+ Cheap flights from San Juan 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 9/14. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — STI
Aug 22 — Aug 291
Fri 8/22
Fri 8/29
1 adult, Economy
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Cheapflights Tip: The best prices from San Juan 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 San Juan to Santiago de los Caballeros

Discover tips and strategies to find the most affordable flight options for your journey from San Juan (PR1) 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 17, 2025.

Round-trip from

$174
(Frontier)

One-way from

$82
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$217
From San Juan to Santiago de los Caballeros
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One-way flight from San Juan 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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Find flight deals from San Juan to Santiago de los Caballeros

Cheapest flights from San Juan to Santiago de los Caballeros
Explore the most affordable flight options available from San Juan to Santiago de los Caballeros. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 17, 2025.

This Frontier deal was found by Cheapflights users on 8/16. 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 8/16$174
This Frontier deal was found by Cheapflights users on 8/17. 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 8/2810:57 amSJU - STI
Nonstop1h 19mFrontier
Thu 9/42:04 pmSTI - SJU
Nonstop1h 12mFrontier
Deal found 8/17$175
This Frontier deal was found by Cheapflights users on 8/17. 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 8/17$191
This Priceline deal was found by Cheapflights users on 8/15. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/242:50 pmSJU - STI
Nonstop1h 12mJetBlue
Wed 8/275:15 pmSTI - SJU
Nonstop1h 10mJetBlue
Deal found 8/15$217
This Priceline deal was found by Cheapflights users on 8/17. 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 8/282:50 pmSJU - STI
Nonstop1h 12mJetBlue
Wed 9/38:40 amSTI - SJU
Nonstop1h 08mJetBlue
Deal found 8/17$221
This Expedia deal was found by Cheapflights users on 8/17. 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.
Tue 9/1611:35 amSJU - STI
Nonstop1h 15mJetBlue
Tue 9/232:00 pmSTI - SJU
Nonstop1h 14mJetBlue
Deal found 8/17$225
This JetBlue deal was found by Cheapflights users on 8/16. 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 8/16$227
This JetBlue deal was found by Cheapflights users on 8/17. 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 11/251:26 pmSJU - STI
Nonstop1h 15mJetBlue
Tue 12/24:55 pmSTI - SJU
Nonstop1h 11mJetBlue
Deal found 8/17$228
This CheapOair deal was found by Cheapflights users on 8/17. 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 8/212:50 pmSJU - STI
Nonstop1h 12mJetBlue
Mon 8/255:15 pmSTI - SJU
Nonstop1h 10mJetBlue
Deal found 8/17$232
This JetBlue deal was found by Cheapflights users on 8/15. 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.
Mon 9/2911:35 amSJU - STI
Nonstop1h 15mJetBlue
Mon 10/62:00 pmSTI - SJU
Nonstop1h 14mJetBlue
Deal found 8/15$245
This JetBlue deal was found by Cheapflights users on 8/15. 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.
Thu 12/254:11 pmSJU - STI
Nonstop1h 11mJetBlue
Fri 1/92:55 pmSTI - SJU
Nonstop0h 58mJetBlue
Deal found 8/15$248
This Priceline deal was found by Cheapflights users on 8/16. 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 8/172:50 pmSJU - STI
Nonstop1h 12mJetBlue
Sun 8/245:15 pmSTI - SJU
Nonstop1h 10mJetBlue
Deal found 8/16$252

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Juan 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 17, 2025.
Use the filters below to find and compare flights from San Juan to Santiago de los Caballeros that are best for you.

Fly from

San Juan

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

Thu 8/28

10:57 am-12:16 pm

Nonstop1h 19m

Santiago de los Caballeros

Thu 9/4

2:04 pm-3:16 pm

Nonstop1h 12m

$175

San JuanSantiago de los Caballeros

SJU - STI

SJUSTI

San Juan Luis Munoz Marin Intl

Thu 9/4

11:40 am-12:59 pm

Nonstop1h 19m

Santiago de los Caballeros

Sun 9/14

2:04 pm-3:16 pm

Nonstop1h 12m

$175

San JuanSantiago de los Caballeros

SJU - STI

SJUSTI

San Juan Luis Munoz Marin Intl

Thu 8/21

10:57 am-12:16 pm

Nonstop1h 19m

Santiago de los Caballeros

Sun 8/24

1:26 pm-2:43 pm

Nonstop1h 17m

$191

San JuanSantiago de los Caballeros

SJU - STI

SJUSTI

San Juan Luis Munoz Marin Intl

Thu 8/21

10:57 am-12:16 pm

Nonstop1h 19m

Santiago de los Caballeros

Tue 8/26

1:26 pm-2:43 pm

Nonstop1h 17m

$191

San JuanSantiago de los Caballeros

SJU - STI

SJUSTI

San Juan Luis Munoz Marin Intl

Sun 8/24

2:50 pm-4:02 pm

Nonstop1h 12m

Santiago de los Caballeros

Wed 8/27

5:15 pm-6:25 pm

Nonstop1h 10m

$217

San JuanSantiago de los Caballeros

SJU - STI

SJUSTI

San Juan Luis Munoz Marin Intl

Thu 8/21

2:50 pm-4:02 pm

Nonstop1h 12m

Santiago de los Caballeros

Mon 8/25

5:15 pm-6:25 pm

Nonstop1h 10m

$217

San JuanSantiago de los Caballeros

SJU - STI

SJUSTI

San Juan Luis Munoz Marin Intl

Fri 8/22

2:50 pm-4:02 pm

Nonstop1h 12m

Santiago de los Caballeros

Mon 8/25

5:15 pm-6:25 pm

Nonstop1h 10m

$217

San JuanSantiago de los Caballeros

SJU - STI

SJUSTI

San Juan Luis Munoz Marin Intl

Sat 8/23

12:30 pm-1:40 pm

Nonstop1h 10m

Santiago de los Caballeros

Tue 8/26

5:15 pm-6:25 pm

Nonstop1h 10m

$217

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/15

Showing 1-10 of 20 results
1
2

Best time to book a flight from San Juan to Santiago de los Caballeros

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

How far ahead should I book a flight from San Juan to Santiago de los Caballeros?

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

To ensure you get the cheapest price possible for a flight from San Juan to Santiago de los Caballeros, you should look to book at least 34 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 to Santiago de los Caballeros?

Currently, May is the cheapest month in which you can book a flight from San Juan to Santiago de los Caballeros (average of $347). Flying from San Juan 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 San Juan 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 17, 2025.

A simple way to save on the total cost of your ticket is to fly from San Juan 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.

Weekly flight availability from San Juan to Santiago de los Caballeros

Explore weekly flight availability from San Juan to Santiago de los Caballeros. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated August 17, 2025.

The most flights from PR1 to STI are scheduled on a Monday (2 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (1 on average).

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 17, 2025.
Peruse reviews from past customers who have flown with JetBlue, Silver Airways, and Frontier from San Juan to Santiago de los Caballeros to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
JetBlue
7.2
Good
2,915 reviews

Overall

7.2

Entertainment

7.3

Crew

8.0

Comfort

7.6

Boarding

7.4

Food

6.7

Reviews

1 / 20
2.0
Mediocre

Brian,Aug 2024

JFK - CHS

Flight was summarily cancelled with no help from the airline to find a way to get my family to our destination.
JetBlue
7.2
Good
2,915 reviews
JetBlue
7.2
Good
2,915 reviews

Overall

7.2

Entertainment

7.3

Crew

8.0

Comfort

7.6

Boarding

7.4

Food

6.7

Reviews

1 / 20
2.0
Mediocre

Brian,Aug 2024

JFK - CHS

Flight was summarily cancelled with no help from the airline to find a way to get my family to our destination.
Silver Airways
5.9
Fair
248 reviews
JetBlue
7.2
Good
2,915 reviews

Overall

7.2

Entertainment

7.3

Crew

8.0

Comfort

7.6

Boarding

7.4

Food

6.7

Reviews

1 / 20
2.0
Mediocre

Brian,Aug 2024

JFK - CHS

Flight was summarily cancelled with no help from the airline to find a way to get my family to our destination.
Frontier
5.8
Fair
3,212 reviews
JetBlue
7.2
Good
2,915 reviews

Overall

7.2

Entertainment

7.3

Crew

8.0

Comfort

7.6

Boarding

7.4

Food

6.7

Reviews

1 / 20
2.0
Mediocre

Brian,Aug 2024

JFK - CHS

Flight was summarily cancelled with no help from the airline to find a way to get my family to our destination.

Related info for your journey

Find useful and relevant information for your journey from San Juan 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?

    For a flight from San Juan to Santiago de los Caballeros, you will be flying into Santiago. Santiago de los Caballeros (STI) is just 6.8 mi from the center of the city. Santiago is the only Santiago de los Caballeros airport and it handles 1 inbound flight from San Juan per day. 3 airlines have flights to Santiago de los Caballeros from San Juan on a regular basis.

  • What are the cheapest airlines flying from San Juan to Santiago de los Caballeros round-trip?

    Currently priced at $82, Frontier will fly you from San Juan to Santiago de los Caballeros and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from JetBlue and Silver Airways - these airlines can fly you to your destination from $173 and $232, respectively. You may be able to fly from San Juan to Santiago de los Caballeros for 62% less than the average price by searching for these airlines.

  • What are the cheapest flights from San Juan to Santiago de los Caballeros?

    The cheapest flight price from San Juan to Santiago de los Caballeros is $82. On average you can expect to pay $165. The most popular route, (San Juan Luis Munoz Marin Intl - Santiago de los Caballeros), can usually be booked for $217.

  • Can I find deals for flights from San Juan to Santiago de los Caballeros that include hotel bookings?

    Yes. In addition to deals on San Juan to Santiago de los Caballeros flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Juan 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 San Juan to Santiago de los Caballeros.

  • Can I find deals for business class flights from San Juan to Santiago de los Caballeros?

    Yes. Cheapflights offers flight deals from San Juan 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 to Santiago de los Caballeros?

    Currently, May is the cheapest month in which you can book a flight from San Juan to Santiago de los Caballeros (average of $347). Flying from San Juan 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

Browse thousands of different options on Cheapflights for your next trip

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

Top 3 airlines flying from San Juan to Santiago de los Caballeros

Discover the top 3 airlines that operate flights from San Juan 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 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$82Average$175FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$173Average$269FlexibilityNo cancel feeOn-time62%
Silver AirwaysCheapest$232Average$322FlexibilityNo cancel feeOn-timeN/A

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