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$145+ Cheap flights from Santiago de los Caballeros (STI) to Puerto Rico

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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
STI — SJU
Mar 31 — Apr 71
Tue 3/31
Tue 4/7
1 adult, Economy
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Cheap flight deals from Santiago de los Caballeros to Puerto Rico

Cheapest flights from Santiago de los Caballeros to Puerto Rico
Explore the most affordable flight options available from Santiago de los Caballeros to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 1, 2026.

This CheapOair deal was found by Cheapflights users on 3/1. 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.
Wed 3/182:46 am
STI
-
SJU
1 stop16h 09m
Multiple Airlines
Thu 3/261:44 pm
SJU
-
STI
Nonstop1h 16m
Multiple Airlines
Deal found 3/1$274
This Cheapflightsfares deal was found by Cheapflights users on 2/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/154:22 pm
STI
-
SJU
Nonstop1h 11m
JetBlue
Mon 5/181:57 pm
SJU
-
STI
Nonstop1h 15m
JetBlue
Deal found 2/28$277
This JetBlue deal was found by Cheapflights users on 3/1. 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 3/194:10 pm
STI
-
SJU
Nonstop1h 11m
JetBlue
Thu 3/261:44 pm
SJU
-
STI
Nonstop1h 16m
JetBlue
Deal found 3/1$285
This CheapOair deal was found by Cheapflights users on 2/28. 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.
Wed 3/182:46 am
STI
-
SJU
1 stop16h 09m
Multiple Airlines
Mon 3/231:44 pm
SJU
-
STI
Nonstop1h 16m
Multiple Airlines
Deal found 2/28$300
This JetBlue deal was found by Cheapflights users on 2/27. 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 3/164:10 pm
STI
-
SJU
Nonstop1h 11m
JetBlue
Tue 3/171:44 pm
SJU
-
STI
Nonstop1h 16m
JetBlue
Deal found 2/27$307
This JetBlue deal was found by Cheapflights users on 3/1. 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 3/194:10 pm
STI
-
SJU
Nonstop1h 11m
JetBlue
Mon 3/231:44 pm
SJU
-
STI
Nonstop1h 16m
JetBlue
Deal found 3/1$314
This CheapOair deal was found by Cheapflights users on 2/26. 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.
Fri 4/102:46 am
STI
-
SJU
1 stop9h 03m
Multiple Airlines
Wed 4/151:57 pm
SJU
-
STI
Nonstop1h 15m
Multiple Airlines
Deal found 2/26$318
This CheapOair deal was found by Cheapflights users on 2/26. 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.
Mon 4/274:22 pm
STI
-
SJU
Nonstop1h 11m
Multiple Airlines
Mon 5/119:54 pm
SJU
-
STI
1 stop16h 28m
Multiple Airlines
Deal found 2/26$325
This Super.com deal was found by Cheapflights users on 2/27. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/96:31 pm
STI
-
SJU
Nonstop1h 07m
JetBlue
Sun 4/124:08 pm
SJU
-
STI
Nonstop1h 13m
JetBlue
Deal found 2/27$326
This JetBlue deal was found by Cheapflights users on 3/1. 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.
Sun 3/154:10 pm
STI
-
SJU
Nonstop1h 11m
JetBlue
Sat 4/44:05 pm
SJU
-
STI
Nonstop1h 13m
JetBlue
Deal found 3/1$331
This CheapOair deal was found by Cheapflights users on 2/27. 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 3/152:46 am
STI
-
SJU
1 stop16h 09m
Multiple Airlines
Tue 3/171:44 pm
SJU
-
STI
Nonstop1h 16m
Multiple Airlines
Deal found 2/27$336
This JetBlue deal was found by Cheapflights users on 2/28. 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 5/14:22 pm
STI
-
SJU
Nonstop1h 11m
JetBlue
Mon 5/41:57 pm
SJU
-
STI
Nonstop1h 15m
JetBlue
Deal found 2/28$346

Find flight deals from Santiago de los Caballeros to Puerto Rico

Keep the following information in mind while searching for Santiago de los Caballeros to Puerto Rico flight deals. Data was last updated March 1, 2026.

Round-trip from

$274
(CheapOair)

One-way from

$145
(Super.com)

Popular in

December

Cheapest in

September

Average price

$235

Good round-trip deal

$229 or less

Good one-way deal

$152 or less
From Santiago de los Caballeros to Puerto Rico
Search Deals
One-way flight from Santiago de los Caballeros to Puerto Rico
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($21 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Santiago de los Caballeros to Puerto Rico.
Search Deals
Price to beat on a one-way flight from Santiago de los Caballeros to Puerto Rico.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Santiago de los Caballeros to Puerto Rico 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 March 1, 2026.
Use the filters below to find and compare flights from Santiago de los Caballeros to Puerto Rico that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Santiago de los CaballerosSan Juan

STI - SJU

STISJU

Santiago de los Caballeros

Thu 3/19

4:10 pm-5:21 pm

Nonstop1h 11m

San Juan Luis Munoz Marin Intl

Thu 3/26

1:44 pm-3:00 pm

Nonstop1h 16m

$285

Santiago de los CaballerosSan Juan

STI - SJU

STISJU

Santiago de los Caballeros

Sat 3/28

4:10 pm-5:21 pm

Nonstop1h 11m

San Juan Luis Munoz Marin Intl

Mon 3/30

1:44 pm-3:00 pm

Nonstop1h 16m

$314

Santiago de los CaballerosSan Juan

STI - SJU

STISJU

Santiago de los Caballeros

Fri 3/27

4:10 pm-5:21 pm

Nonstop1h 11m

San Juan Luis Munoz Marin Intl

Mon 3/30

1:44 pm-3:00 pm

Nonstop1h 16m

$314

Santiago de los CaballerosSan Juan

STI - SJU

STISJU

Santiago de los Caballeros

Sat 3/21

4:10 pm-5:21 pm

Nonstop1h 11m

San Juan Luis Munoz Marin Intl

Sat 3/28

1:44 pm-3:00 pm

Nonstop1h 16m

$314

Santiago de los CaballerosSan Juan

STI - SJU

STISJU

Santiago de los Caballeros

Sun 3/15

4:10 pm-5:21 pm

Nonstop1h 11m

San Juan Luis Munoz Marin Intl

Sat 4/4

4:05 pm-5:18 pm

Nonstop1h 13m

$331

Santiago de los CaballerosSan Juan

STI - SJU

STISJU

Santiago de los Caballeros

Thu 4/30

4:22 pm-5:33 pm

Nonstop1h 11m

San Juan Luis Munoz Marin Intl

Mon 5/4

1:57 pm-3:12 pm

Nonstop1h 15m

$347

Santiago de los CaballerosSan Juan

STI - SJU

STISJU

Santiago de los Caballeros

Sat 4/11

6:30 pm-7:35 pm

Nonstop1h 05m

San Juan Luis Munoz Marin Intl

Wed 4/15

1:57 pm-3:12 pm

Nonstop1h 15m

$347

Santiago de los CaballerosSan Juan

STI - SJU

STISJU

Santiago de los Caballeros

Fri 5/1

4:22 pm-5:33 pm

Nonstop1h 11m

San Juan Luis Munoz Marin Intl

Mon 5/4

1:57 pm-3:12 pm

Nonstop1h 15m

$350

Santiago de los CaballerosSan Juan

STI - SJU

STISJU

Santiago de los Caballeros

Sat 3/14

9:13 am-6:04 pm

1 stop8h 51m

San Juan Luis Munoz Marin Intl

Sun 3/22

1:44 pm-3:00 pm

Nonstop1h 16m

$378

Santiago de los CaballerosSan Juan

STI - SJU

STISJU

Santiago de los Caballeros

Sun 3/22

4:10 pm-5:21 pm

Nonstop1h 11m

$148

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/26

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

Best time to book a flight from Santiago de los Caballeros to Puerto Rico

Have a flexible travel schedule? Discover the best time to fly to Puerto Rico 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 Puerto Rico

What is the cheapest month to book a flight from Santiago de los Caballeros to Puerto Rico?

Currently, April is the cheapest month in which you can book a flight from Santiago de los Caballeros to Puerto Rico (average of $102). Flying from Santiago de los Caballeros to Puerto Rico in December is currently the most expensive (average of $135). 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 PR?

Find hourly flight availability from Santiago de los Caballeros to Puerto Rico. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 1, 2026.

It’s typically best to fly out from Santiago de los Caballeros to Puerto Rico at noon. Doing so could potentially save you 9% on the flight price compared to flying in the evening, which is usually more expensive.

What is the cheapest day to fly from Santiago de los Caballeros to Puerto Rico?

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

Travelers seeking maximum savings on their Santiago de los Caballeros to Puerto Rico flight should consider departing on Monday evenings when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Santiago de los Caballeros to Puerto Rico

Explore weekly flight availability from Santiago de los Caballeros to Puerto Rico. 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 March 1, 2026.

The most flights from STI to PR0 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).

Reviews of airlines servicing Puerto Rico

Get insights into the airlines that provide service to Puerto Rico. 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 Puerto Rico. Reviews last updated March 1, 2026.
Peruse reviews from past customers who have flown with JetBlue and Frontier from Santiago de los Caballeros to Puerto Rico 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
2,894 reviews

Entertainment

7.2

Crew

8.0

Comfort

7.5

Overall

7.2

Food

6.6

Boarding

7.4

Reviews

1 / 20
10.0
Excellent

Mitchell,Feb 2026

CUN - BOS

When I pay to sit closer to the front, I still end up in boarding group e, which is super annoying
JetBlue
7.2
Good
2,894 reviews
JetBlue
7.2
Good
2,894 reviews

Entertainment

7.2

Crew

8.0

Comfort

7.5

Overall

7.2

Food

6.6

Boarding

7.4

Reviews

1 / 20
10.0
Excellent

Mitchell,Feb 2026

CUN - BOS

When I pay to sit closer to the front, I still end up in boarding group e, which is super annoying
Frontier
5.7
Fair
3,041 reviews
JetBlue
7.2
Good
2,894 reviews

Entertainment

7.2

Crew

8.0

Comfort

7.5

Overall

7.2

Food

6.6

Boarding

7.4

Reviews

1 / 20
10.0
Excellent

Mitchell,Feb 2026

CUN - BOS

When I pay to sit closer to the front, I still end up in boarding group e, which is super annoying

Related info for your journey

Find useful and relevant information for your journey from Santiago de los Caballeros to Puerto Rico. 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 Puerto Rico?

    Santiago de los Caballeros (STI), located 6.8 mi from the city center, is the airport you fly out of when you book flights from Santiago de los Caballeros to Puerto Rico.

  • How long is the flight from Santiago de los Caballeros to Puerto Rico?

    A quick flight from Santiago de los Caballeros to Puerto Rico can take about 1h 11m. JetBlue provides one of the quickest options available for as low as $285. Santiago de los Caballeros and Puerto Rico are separated by a distance of 308 mi. Generally, flights for this route are nonstop.

  • What are the cheapest flights from Santiago de los Caballeros to Puerto Rico?

    On average you can expect to pay $225 for a flight from Santiago de los Caballeros to Puerto Rico. The cheapest flight overall is $132 while the most popular route, (Santiago de los Caballeros - San Juan Luis Munoz Marin Intl) is currently priced at $199.

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

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

  • How can I find direct flights from Santiago de los Caballeros to Puerto Rico?

    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 Puerto Rico.

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

    Yes. Cheapflights offers flight deals from Santiago de los Caballeros to Puerto Rico 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 Puerto Rico?

    Currently, April is the cheapest month in which you can book a flight from Santiago de los Caballeros to Puerto Rico (average of $102). Flying from Santiago de los Caballeros to Puerto Rico in December is currently the most expensive (average of $135). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 2 airlines flying from Santiago de los Caballeros to Puerto Rico

Discover the top 2 airlines that operate flights from Santiago de los Caballeros to Puerto Rico. 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 March 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$99Average$179FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$113Average$238FlexibilityNo cancel feeOn-time62%

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