HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Puerto Rico

$101+ 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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
STI — SJU
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Santiago de los Caballeros to Puerto Rico 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.

Cheap 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 July 30, 2025.

Round-trip from

$180
(Priceline)

One-way from

$101
(Frontier)

Popular in

June

Cheapest in

March

Average price

$202

Good round-trip deal

$176 or less

Good one-way deal

$139 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. 4% potential increase in price ($9 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease ($2 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
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

Find 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 July 30, 2025.

This Priceline deal was found by Cheapflights users on 7/29. 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 8/211:26 pmSTI - SJU
Nonstop1h 17mFrontier
Sun 8/2410:57 amSJU - STI
Nonstop1h 19mFrontier
Deal found 7/29$180
This JetBlue deal was found by Cheapflights users on 7/28. 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.
Thu 8/75:15 pmSTI - SJU
Nonstop1h 10mJetBlue
Mon 8/112:50 pmSJU - STI
Nonstop1h 12mJetBlue
Deal found 7/28$232
This CheapOair deal was found by Cheapflights users on 7/28. 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.
Fri 8/152:06 pmSTI - SJU
Nonstop1h 17mMultiple Airlines
Sun 8/175:42 pmSJU - STI
1 stop15h 33mMultiple Airlines
Deal found 7/28$249
This CheapOair deal was found by Cheapflights users on 7/29. 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 8/1410:20 amSTI - SJU
1 stop11h 28mSpirit Airlines
Sun 8/175:42 pmSJU - STI
1 stop15h 33mSpirit Airlines
Deal found 7/29$330

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 July 30, 2025.
Use the filters below to find and compare flights from Santiago de los Caballeros to Puerto Rico that are best for you.

Fly from

Santiago de los Caballeros

Fly to

Puerto Rico

Route

Depart

Return

Price

Santiago de los CaballerosSan Juan

STI - SJU

STISJU

Santiago de los Caballeros

Thu 8/21

1:26 pm-2:43 pm

Nonstop1h 17m

San Juan Luis Munoz Marin Intl

Sun 8/24

10:57 am-12:16 pm

Nonstop1h 19m

$180

Santiago de los CaballerosSan Juan

STI - SJU

STISJU

Santiago de los Caballeros

Mon 8/11

5:15 pm-6:25 pm

Nonstop1h 10m

San Juan Luis Munoz Marin Intl

Thu 8/14

2:50 pm-4:02 pm

Nonstop1h 12m

$232

Santiago de los CaballerosSan Juan

STI - SJU

STISJU

Santiago de los Caballeros

Fri 8/15

2:06 pm-3:23 pm

Nonstop1h 17m

San Juan Luis Munoz Marin Intl

Sun 8/17

5:42 pm-9:15 am

1 stop15h 33m

$249

Santiago de los CaballerosSan Juan

STI - SJU

STISJU

Santiago de los Caballeros

Mon 8/11

10:55 am-9:09 pm

1 stop10h 14m

San Juan Luis Munoz Marin Intl

Thu 8/14

5:42 pm-9:15 am

1 stop15h 33m

$328

Santiago de los CaballerosSan Juan

STI - SJU

STISJU

Santiago de los Caballeros

Mon 8/4

2:06 pm-3:23 pm

Nonstop1h 17m

$101

Santiago de los CaballerosSan Juan

STI - SJU

STISJU

Santiago de los Caballeros

Sun 8/17

5:15 pm-6:25 pm

Nonstop1h 10m

$141

Santiago de los CaballerosSan Juan

STI - SJU

STISJU

Santiago de los Caballeros

Sun 8/17

10:20 am-9:48 pm

1 stop11h 28m

$173

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

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, September is the cheapest month in which you can book a flight from Santiago de los Caballeros to Puerto Rico (average of $254). Flying from Santiago de los Caballeros to Puerto Rico in June is currently the most expensive (average of $339). 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 July 30, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Santiago de los Caballeros to Puerto Rico as you normally would.

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 July 30, 2025.
Peruse reviews from past customers who have flown with JetBlue, Spirit Airlines, 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
7.3
Good
2,913 reviews

Food

6.7

Comfort

7.6

Entertainment

7.3

Boarding

7.4

Crew

8.0

Overall

7.3

Reviews

1 / 20
4.0
Okay

Charles,Aug 2024

MCO - BDL

we were told the night before that the flight would be delayed ~50 minutes but that we should show up on time. We did but at the new doors open time people were still deplaning from our aircraft. We finally left the gate 1:48 minutes late but the captain said an indicator showed and we weren't allowed to taxi. Maintenace came on board did some stuff, then we took off. Because of Tropical storm Debbie we went way east over the ocean. It was still rough though no fault of Jet Blue.
JetBlue
7.3
Good
2,913 reviews
JetBlue
7.3
Good
2,913 reviews

Food

6.7

Comfort

7.6

Entertainment

7.3

Boarding

7.4

Crew

8.0

Overall

7.3

Reviews

1 / 20
4.0
Okay

Charles,Aug 2024

MCO - BDL

we were told the night before that the flight would be delayed ~50 minutes but that we should show up on time. We did but at the new doors open time people were still deplaning from our aircraft. We finally left the gate 1:48 minutes late but the captain said an indicator showed and we weren't allowed to taxi. Maintenace came on board did some stuff, then we took off. Because of Tropical storm Debbie we went way east over the ocean. It was still rough though no fault of Jet Blue.
Spirit Airlines
6.3
Okay
8,048 reviews
JetBlue
7.3
Good
2,913 reviews

Food

6.7

Comfort

7.6

Entertainment

7.3

Boarding

7.4

Crew

8.0

Overall

7.3

Reviews

1 / 20
4.0
Okay

Charles,Aug 2024

MCO - BDL

we were told the night before that the flight would be delayed ~50 minutes but that we should show up on time. We did but at the new doors open time people were still deplaning from our aircraft. We finally left the gate 1:48 minutes late but the captain said an indicator showed and we weren't allowed to taxi. Maintenace came on board did some stuff, then we took off. Because of Tropical storm Debbie we went way east over the ocean. It was still rough though no fault of Jet Blue.
Frontier
5.9
Fair
3,237 reviews
JetBlue
7.3
Good
2,913 reviews

Food

6.7

Comfort

7.6

Entertainment

7.3

Boarding

7.4

Crew

8.0

Overall

7.3

Reviews

1 / 20
4.0
Okay

Charles,Aug 2024

MCO - BDL

we were told the night before that the flight would be delayed ~50 minutes but that we should show up on time. We did but at the new doors open time people were still deplaning from our aircraft. We finally left the gate 1:48 minutes late but the captain said an indicator showed and we weren't allowed to taxi. Maintenace came on board did some stuff, then we took off. Because of Tropical storm Debbie we went way east over the ocean. It was still rough though no fault of Jet Blue.

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.

  • What are the cheapest airlines to fly from Santiago de los Caballeros to Puerto Rico one-way?

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $101. JetBlue flights start at $141 while deals on Spirit Airlines start at $173 one-way.

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

    On average you can expect to pay $201 for a flight from Santiago de los Caballeros to Puerto Rico. The cheapest flight overall is $103 while the most popular route, (Santiago de los Caballeros - San Juan Luis Munoz Marin Intl) is currently priced at $219.

  • 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, September is the cheapest month in which you can book a flight from Santiago de los Caballeros to Puerto Rico (average of $254). Flying from Santiago de los Caballeros to Puerto Rico in June is currently the most expensive (average of $339). 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 3 airlines flying from Santiago de los Caballeros to Puerto Rico

Discover the top 3 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 July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$77Average$162FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$111Average$243FlexibilityNo cancel feeOn-time62%
Silver AirwaysCheapest$226Average$293FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.