$102+ 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 1/22. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from San Juan to Santiago de los Caballeros 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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from San Juan to Santiago de los Caballeros are usually found in February or September, booked 63 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 CaballerosExplore 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 25, 2025.
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 25, 2025.
This JetBlue deal was found by Cheapflights users on 12/25. 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.
This JetBlue deal was found by Cheapflights users on 12/23. 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.
This JetBlue deal was found by Cheapflights users on 12/24. 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.
This JetBlue deal was found by Cheapflights users on 12/23. 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.
This JetBlue deal was found by Cheapflights users on 12/23. 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.
This FlightHub deal was found by Cheapflights users on 12/23. 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.
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 25, 2025.
Round-trip from | $200 (JetBlue) |
|---|---|
One-way from | $102 (Super.com) |
Popular in | December |
Cheapest in | February |
Average price | $333 |
Cheapflights Fare Finder
Use the filters below to find and compare flights from San Juan to Santiago de los Caballeros that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
San JuanSantiago de los Caballeros
SJU - STI
SJUSTI
San Juan Luis Munoz Marin Intl
Fri 1/30
3:51 pm-5:04 pm
Nonstop1h 13m
Santiago de los Caballeros
Mon 2/2
6:14 pm-7:25 pm
Nonstop1h 11m
San JuanSantiago de los Caballeros
SJU - STI
SJUSTI
San Juan Luis Munoz Marin Intl
Wed 1/28
3:51 pm-5:04 pm
Nonstop1h 13m
Santiago de los Caballeros
Mon 2/2
6:14 pm-7:25 pm
Nonstop1h 11m
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
San JuanSantiago de los Caballeros
SJU - STI
SJUSTI
San Juan Luis Munoz Marin Intl
Wed 1/28
3:51 pm-5:04 pm
Nonstop1h 13m
Santiago de los Caballeros
Fri 1/30
6:14 pm-7:25 pm
Nonstop1h 11m
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
San JuanSantiago de los Caballeros
SJU - STI
SJUSTI
San Juan Luis Munoz Marin Intl
Mon 1/5
5:55 pm-7:08 pm
Nonstop1h 13m
Santiago de los Caballeros
Sat 1/24
4:34 pm-5:45 pm
Nonstop1h 11m
San JuanSantiago de los Caballeros
SJU - STI
SJUSTI
San Juan Luis Munoz Marin Intl
Sat 1/24
2:08 pm-3:24 pm
Nonstop1h 16m
San JuanSantiago de los Caballeros
SJU - STI
SJUSTI
San Juan Luis Munoz Marin Intl
Sun 1/25
3:51 pm-5:04 pm
Nonstop1h 13m
San JuanSantiago de los Caballeros
SJU - STI
SJUSTI
San Juan Luis Munoz Marin Intl
Sat 3/21
1:44 pm-3:00 pm
Nonstop1h 16m
San JuanSantiago de los Caballeros
SJU - STI
SJUSTI
San Juan Luis Munoz Marin Intl
Thu 1/22
3:51 pm-5:04 pm
Nonstop1h 13m
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.
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 19, 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 63 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, October is the cheapest month in which you can book a flight from San Juan to Santiago de los Caballeros (average of $88). 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 25, 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.
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 December 25, 2025.
The most flights from PR1 to STI are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).
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 25, 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.
Boarding
Overall
Entertainment
Comfort
Food
Crew
Reviews
JACK,Sep 2025
JFK - MSY
Boarding
Overall
Entertainment
Comfort
Food
Crew
Reviews
JACK,Sep 2025
JFK - MSY
Boarding
Overall
Entertainment
Comfort
Food
Crew
Reviews
JACK,Sep 2025
JFK - MSY
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.
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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.
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 25, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$82 | Average$175 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$167 | Average$260 | FlexibilityNo cancel fee | On-time62% |