HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Puerto Rico

$104+ 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 5/1. Fares are subject to change and may not be available on all flights or dates of travel.
STI — SJU
Apr 9 — Apr 161
Wed 4/9
Wed 4/16
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 April 4, 2025.

Round-trip from

$179
(CheapOair)

One-way from

$104
(Frontier)

Popular in

May

Cheapest in

November

Average price

$249

Good round-trip deal

$220 or less

Good one-way deal

$180 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. 9% potential increase in price ($26 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 April 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 April 4, 2025.

This CheapOair deal was found by Cheapflights users on 4/2. 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 4/66:40 pmSTI - SJU
Nonstop1h 09mFrontier
Mon 4/74:07 pmSJU - STI
Nonstop1h 19mFrontier
Deal found 4/2$179
This JetBlue deal was found by Cheapflights users on 4/3. 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 4/241:52 pmSTI - SJU
Nonstop1h 21mJetBlue
Mon 4/2811:30 amSJU - STI
Nonstop1h 12mJetBlue
Deal found 4/3$197
This Kiwi.com deal was found by Cheapflights users on 4/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/26:43 pmSTI - SJU
Nonstop1h 12mMultiple Airlines
Mon 5/510:15 pmSJU - STI
2 stops16h 31mMultiple Airlines
Deal found 4/3$401
This Mytrip deal was found by Cheapflights users on 4/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/63:40 pmSTI - SJU
2 stops25h 40mSpirit Airlines
Mon 4/712:59 amSJU - STI
2 stops13h 36mSpirit Airlines
Deal found 4/2$1,052
This United Airlines deal was found by Cheapflights users on 4/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/22:07 pmSTI - SJU
1 stop9h 50mUnited Airlines
Sun 5/41:05 amSJU - STI
1 stop11h 52mUnited Airlines
Deal found 4/3$1,131

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 April 4, 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

Fri 5/2

6:43 pm-7:55 pm

Nonstop1h 12m

San Juan Luis Munoz Marin Intl

Mon 5/5

4:13 pm-5:33 pm

Nonstop1h 20m

$179

Santiago de los CaballerosSan Juan

STI - SJU

STISJU

Santiago de los Caballeros

Thu 4/24

1:52 pm-3:13 pm

Nonstop1h 21m

San Juan Luis Munoz Marin Intl

Mon 4/28

11:30 am-12:42 pm

Nonstop1h 12m

$197

Santiago de los CaballerosSan Juan

STI - SJU

STISJU

Santiago de los Caballeros

Fri 5/2

6:43 pm-7:55 pm

Nonstop1h 12m

San Juan Luis Munoz Marin Intl

Mon 5/5

10:15 pm-2:46 pm

2 stops16h 31m

$401

Santiago de los CaballerosSan Juan

STI - SJU

STISJU

Santiago de los Caballeros

Fri 5/2

2:07 pm-11:57 pm

1 stop9h 50m

San Juan Luis Munoz Marin Intl

Sun 5/4

1:05 am-12:57 pm

1 stop11h 52m

$1,131

Santiago de los CaballerosSan Juan

STI - SJU

STISJU

Santiago de los Caballeros

Thu 5/1

6:43 pm-7:55 pm

Nonstop1h 12m

$104

Santiago de los CaballerosSan Juan

STI - SJU

STISJU

Santiago de los Caballeros

Wed 4/30

1:27 pm-2:48 pm

Nonstop1h 21m

$124

Santiago de los CaballerosSan Juan

STI - SJU

STISJU

Santiago de los Caballeros

Sun 6/22

11:29 am-7:19 pm

1 stop7h 50m

$276

Santiago de los CaballerosSan Juan

STI - SJU

STISJU

Santiago de los Caballeros

Tue 7/1

1:35 pm-9:45 pm

1 stop8h 10m

$304

Santiago de los CaballerosSan Juan

STI - SJU

STISJU

Santiago de los Caballeros

Sun 5/4

3:51 pm-2:51 am

2 stops11h 00m

$316

Santiago de los CaballerosSan Juan

STI - SJU

STISJU

Santiago de los Caballeros

Sat 5/3

9:05 pm-11:48 pm

2 stops26h 43m

$4,080

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/3

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, 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 December is currently the most expensive (average of $336). 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 April 4, 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.

Rainfall in Puerto Rico by month

Plan your trip to Puerto Rico by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Puerto Rico ranges from 2.2 - 6.1 inches per month. November is typically the wettest month, when rainfall can reach 6.1 in. February is typically the driest time to visit Puerto Rico when rainfall is around 2.2 in.

Temperature in Puerto Rico by month

Plan your trip to Puerto Rico by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Puerto Rico, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 77.0 F).

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 April 4, 2025.
Peruse reviews from past customers who have flown with United Airlines, JetBlue and American Airlines from Santiago de los Caballeros to Puerto Rico to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,618 reviews

Overall

7.4

Boarding

7.7

Comfort

7.3

Food

6.6

Crew

8.1

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

ray,May 2024

CHS - DEN

For a first class fair this was the worse ever. 1. Long delay departing. 2. Long time landing. 3. Late getting car hire. 4. No compensation whatsoever. Do I need to say more. You check it out yourself.
United Airlines
7.4
Good
8,618 reviews
United Airlines
7.4
Good
8,618 reviews

Overall

7.4

Boarding

7.7

Comfort

7.3

Food

6.6

Crew

8.1

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

ray,May 2024

CHS - DEN

For a first class fair this was the worse ever. 1. Long delay departing. 2. Long time landing. 3. Late getting car hire. 4. No compensation whatsoever. Do I need to say more. You check it out yourself.
JetBlue
7.3
Good
2,919 reviews
United Airlines
7.4
Good
8,618 reviews

Overall

7.4

Boarding

7.7

Comfort

7.3

Food

6.6

Crew

8.1

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

ray,May 2024

CHS - DEN

For a first class fair this was the worse ever. 1. Long delay departing. 2. Long time landing. 3. Late getting car hire. 4. No compensation whatsoever. Do I need to say more. You check it out yourself.
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,618 reviews

Overall

7.4

Boarding

7.7

Comfort

7.3

Food

6.6

Crew

8.1

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

ray,May 2024

CHS - DEN

For a first class fair this was the worse ever. 1. Long delay departing. 2. Long time landing. 3. Late getting car hire. 4. No compensation whatsoever. Do I need to say more. You check it out yourself.
Air Europa
6.9
Okay
505 reviews
United Airlines
7.4
Good
8,618 reviews

Overall

7.4

Boarding

7.7

Comfort

7.3

Food

6.6

Crew

8.1

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

ray,May 2024

CHS - DEN

For a first class fair this was the worse ever. 1. Long delay departing. 2. Long time landing. 3. Late getting car hire. 4. No compensation whatsoever. Do I need to say more. You check it out yourself.
Spirit Airlines
6.3
Okay
7,890 reviews
United Airlines
7.4
Good
8,618 reviews

Overall

7.4

Boarding

7.7

Comfort

7.3

Food

6.6

Crew

8.1

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

ray,May 2024

CHS - DEN

For a first class fair this was the worse ever. 1. Long delay departing. 2. Long time landing. 3. Late getting car hire. 4. No compensation whatsoever. Do I need to say more. You check it out yourself.

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 $104. JetBlue flights start at $124 while deals on Spirit Airlines start at $276 one-way.

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

    On average you can expect to pay $237 for a flight from Santiago de los Caballeros to Puerto Rico. The cheapest flight overall is $123 while the most popular route, (Santiago de los Caballeros - San Juan Luis Munoz Marin Intl) is currently priced at $198.

  • 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 December is currently the most expensive (average of $336). 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 April 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$76Average$159FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$108Average$237FlexibilityNo cancel feeOn-time62%
Silver AirwaysCheapest$255Average$319FlexibilityNo 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.