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Santiago de los Caballeros

$104+ 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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — STI
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
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 September, booked 34 days in advance, depart on a Sunday or Monday and return on a Wednesday

Cheap 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 December 18, 2025.

This JetBlue deal was found by Cheapflights users on 12/17. 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.
Thu 12/255:40 pmSJU - STI
Nonstop1h 13mJetBlue
Sun 12/288:04 pmSTI - SJU
Nonstop1h 11mJetBlue
Deal found 12/17$328
This JetBlue deal was found by Cheapflights users on 12/17. 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.
Thu 12/185:40 pmSJU - STI
Nonstop1h 13mJetBlue
Thu 12/258:04 pmSTI - SJU
Nonstop1h 11mJetBlue
Deal found 12/17$363
This JetBlue deal was found by Cheapflights users on 12/17. 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.
Thu 12/185:40 pmSJU - STI
Nonstop1h 13mJetBlue
Sun 12/218:04 pmSTI - SJU
Nonstop1h 11mJetBlue
Deal found 12/17$373
This FlightHub deal was found by Cheapflights users on 12/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:28 pmSJU - STI
1 stop8h 14mSpirit Airlines
Sat 12/273:43 amSTI - SJU
1 stop8h 15mSpirit Airlines
Deal found 12/17$375
This Priceline deal was found by Cheapflights users on 12/16. 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.
Wed 12/245:40 pmSJU - STI
Nonstop1h 13mJetBlue
Sun 12/288:04 pmSTI - SJU
Nonstop1h 11mJetBlue
Deal found 12/16$403
This Priceline deal was found by Cheapflights users on 12/16. 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.
Wed 12/2410:25 pmSJU - STI
1 stop11h 50mMultiple Airlines
Sat 12/273:43 amSTI - SJU
1 stop8h 15mMultiple Airlines
Deal found 12/16$407
This FlightHub deal was found by Cheapflights users on 12/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:28 pmSJU - STI
1 stop8h 14mSpirit Airlines
Mon 12/293:43 amSTI - SJU
1 stop8h 15mSpirit Airlines
Deal found 12/17$420
This JetBlue deal was found by Cheapflights users on 12/17. 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.
Wed 12/315:10 pmSJU - STI
Nonstop1h 13mJetBlue
Mon 1/512:02 pmSTI - SJU
1 stop13h 03mJetBlue
Deal found 12/17$422
This JetBlue deal was found by Cheapflights users on 12/17. 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.
Fri 12/265:40 pmSJU - STI
Nonstop1h 13mJetBlue
Tue 12/308:04 pmSTI - SJU
Nonstop1h 11mJetBlue
Deal found 12/17$428
This JetBlue deal was found by Cheapflights users on 12/17. 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 12/305:40 pmSJU - STI
Nonstop1h 13mJetBlue
Thu 1/13:41 pmSTI - SJU
1 stop10h 18mJetBlue
Deal found 12/17$451

Find 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 December 18, 2025.

Round-trip from

$218
(JetBlue)

One-way from

$104
(JetBlue)

Popular in

December

Cheapest in

February

Average price

$331
From San Juan to Santiago de los Caballeros
Search Deals
One-way flight from San Juan to Santiago de los Caballeros
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($26 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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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 December 18, 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

Wed 3/4

11:13 am-12:27 pm

Nonstop1h 14m

Santiago de los Caballeros

Sat 3/7

1:39 pm-2:51 pm

Nonstop1h 12m

$218

San JuanSantiago de los Caballeros

SJU - STI

SJUSTI

San Juan Luis Munoz Marin Intl

Thu 2/26

11:13 am-12:27 pm

Nonstop1h 14m

Santiago de los Caballeros

Mon 3/2

1:39 pm-2:51 pm

Nonstop1h 12m

$218

San JuanSantiago de los Caballeros

SJU - STI

SJUSTI

San Juan Luis Munoz Marin Intl

Wed 1/21

3:51 pm-5:04 pm

Nonstop1h 13m

Santiago de los Caballeros

Wed 1/28

6:14 pm-7:25 pm

Nonstop1h 11m

$218

San JuanSantiago de los Caballeros

SJU - STI

SJUSTI

San Juan Luis Munoz Marin Intl

Sat 1/31

2:08 pm-3:24 pm

Nonstop1h 16m

Santiago de los Caballeros

Sat 2/7

4:55 pm-6:05 pm

Nonstop1h 10m

$218

San JuanSantiago de los Caballeros

SJU - STI

SJUSTI

San Juan Luis Munoz Marin Intl

Mon 2/2

5:37 am-2:56 pm

1 stop9h 19m

Santiago de los Caballeros

Thu 2/5

3:51 pm-10:32 pm

1 stop6h 41m

$232

San JuanSantiago de los Caballeros

SJU - STI

SJUSTI

San Juan Luis Munoz Marin Intl

Sat 3/7

11:13 am-12:27 pm

Nonstop1h 14m

Santiago de los Caballeros

Sun 3/15

4:10 pm-5:21 pm

Nonstop1h 11m

$233

San JuanSantiago de los Caballeros

SJU - STI

SJUSTI

San Juan Luis Munoz Marin Intl

Thu 4/16

9:35 pm-7:15 am

1 stop9h 40m

Santiago de los Caballeros

Mon 4/20

2:50 pm-3:48 pm

Nonstop0h 58m

$239

San JuanSantiago de los Caballeros

SJU - STI

SJUSTI

San Juan Luis Munoz Marin Intl

Tue 4/21

8:35 pm-7:15 am

1 stop10h 40m

Santiago de los Caballeros

Thu 4/30

7:05 pm-8:15 pm

Nonstop1h 10m

$243

San JuanSantiago de los Caballeros

SJU - STI

SJUSTI

San Juan Luis Munoz Marin Intl

Tue 4/21

9:35 pm-7:15 am

1 stop9h 40m

Santiago de los Caballeros

Thu 4/23

2:50 pm-3:48 pm

Nonstop0h 58m

$243

San JuanSantiago de los Caballeros

SJU - STI

SJUSTI

San Juan Luis Munoz Marin Intl

Fri 2/6

7:45 pm-8:23 am

1 stop12h 38m

Santiago de los Caballeros

Sun 2/8

4:55 pm-6:05 pm

Nonstop1h 10m

$243

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 18 results
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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 December 12, 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, February is the cheapest month in which you can book a flight from San Juan to Santiago de los Caballeros (average of $86). Flying from San Juan to Santiago de los Caballeros in December is currently the most expensive (average of $136). 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 December 18, 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 29% on your trip compared to booking a flight in the evening.

How often are flights from San Juan to Santiago de los Caballeros delayed?

About 15% of weekly flights between San Juan and Santiago de los Caballeros have experienced delays in the past year, with the average delay time being 105 minutes.

What is the most punctual flight time for San Juan to Santiago de los Caballeros flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Saturday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on San Juan to Santiago de los Caballeros flights?

Over the last year, JetBlue have had the lowest number of delays on this route, with just 12% of flights being delayed.

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 December 18, 2025.
Peruse reviews from past customers who have flown with JetBlue 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
2,897 reviews

Food

6.7

Overall

7.2

Comfort

7.6

Crew

8.0

Entertainment

7.2

Boarding

7.4

Reviews

1 / 20
10.0
Excellent

JACK,Sep 2025

JFK - MSY

I liked the professional services of the crew. Keep up the good work.
JetBlue
7.2
Good
2,897 reviews
JetBlue
7.2
Good
2,897 reviews

Food

6.7

Overall

7.2

Comfort

7.6

Crew

8.0

Entertainment

7.2

Boarding

7.4

Reviews

1 / 20
10.0
Excellent

JACK,Sep 2025

JFK - MSY

I liked the professional services of the crew. Keep up the good work.
Frontier
5.8
Fair
3,081 reviews
JetBlue
7.2
Good
2,897 reviews

Food

6.7

Overall

7.2

Comfort

7.6

Crew

8.0

Entertainment

7.2

Boarding

7.4

Reviews

1 / 20
10.0
Excellent

JACK,Sep 2025

JFK - MSY

I liked the professional services of the crew. Keep up the good work.

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 0 inbound flights from San Juan per day. 2 airlines have flights to Santiago de los Caballeros from San Juan on a regular basis.

  • How long is the flight from San Juan to Santiago de los Caballeros?

    Departing from San Juan to Santiago de los Caballeros will take you 1h 14m. There are 308 mi between San Juan and Santiago de los Caballeros. All flights are typically nonstop.

  • 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. Check Cheapflights for deals on JetBlue for as low as $167. You may be able to fly from San Juan to Santiago de los Caballeros for 61% 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 $89. On average you can expect to pay $226. The most popular route, (San Juan Luis Munoz Marin Intl - Santiago de los Caballeros), can usually be booked for $186.

  • 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, February is the cheapest month in which you can book a flight from San Juan to Santiago de los Caballeros (average of $86). Flying from San Juan to Santiago de los Caballeros in December is currently the most expensive (average of $136). 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 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 2 airlines flying from San Juan to Santiago de los Caballeros

Discover the top 2 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$82Average$175FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$168Average$263FlexibilityNo cancel feeOn-time62%

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