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Santiago de los Caballeros

$82+ Cheap flights from Puerto Rico 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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — STI
Jul 5 — Jul 121
Sat 7/5
Sat 7/12
1 adult, Economy
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Cheap flight deals from Puerto Rico to Santiago de los Caballeros

Keep the following information in mind while searching for Puerto Rico to Santiago de los Caballeros flight deals. Data was last updated June 30, 2025.

Round-trip from

$175
(Frontier)

One-way from

$82
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$236

Good round-trip deal

$175 or less

Good one-way deal

$91 or less
From Puerto Rico to Santiago de los Caballeros
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One-way flight from Puerto Rico to Santiago de los Caballeros
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Highest demand for flights based on searches. 10% potential increase in price ($26 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Puerto Rico to Santiago de los Caballeros.
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Price to beat on a one-way flight from Puerto Rico to Santiago de los Caballeros.
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Find flight deals from Puerto Rico to Santiago de los Caballeros

Cheapest flights from Puerto Rico to Santiago de los Caballeros
Explore the most affordable flight options available from Puerto Rico to Santiago de los Caballeros. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 30, 2025.

This Frontier deal was found by Cheapflights users on 6/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1611:30 amSJU - STI
Nonstop1h 21mFrontier
Mon 7/212:06 pmSTI - SJU
Nonstop1h 17mFrontier
Deal found 6/30$175
This JetBlue deal was found by Cheapflights users on 6/29. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/272:50 pmSJU - STI
Nonstop1h 12mJetBlue
Fri 8/14:50 pmSTI - SJU
Nonstop1h 11mJetBlue
Deal found 6/29$215
This CheapOair deal was found by Cheapflights users on 6/30. 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 8/811:30 amSJU - STI
Nonstop1h 21mMultiple Airlines
Sun 8/2410:20 amSTI - SJU
1 stop11h 28mMultiple Airlines
Deal found 6/30$242
This FlightHub deal was found by Cheapflights users on 6/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/810:14 pmSJU - STI
1 stop11h 36mSpirit Airlines
Sun 8/2410:20 amSTI - SJU
1 stop11h 28mSpirit Airlines
Deal found 6/28$322

Cheapflights Fare Finder

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

Fly from

Puerto Rico

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 7/16

11:30 am-12:51 pm

Nonstop1h 21m

Santiago de los Caballeros

Mon 7/21

2:06 pm-3:23 pm

Nonstop1h 17m

$175

San JuanSantiago de los Caballeros

SJU - STI

SJUSTI

San Juan Luis Munoz Marin Intl

Sun 7/27

2:50 pm-4:02 pm

Nonstop1h 12m

Santiago de los Caballeros

Fri 8/1

4:50 pm-6:01 pm

Nonstop1h 11m

$215

San JuanSantiago de los Caballeros

SJU - STI

SJUSTI

San Juan Luis Munoz Marin Intl

Fri 8/8

11:30 am-12:51 pm

Nonstop1h 21m

Santiago de los Caballeros

Sun 8/24

10:20 am-9:48 pm

1 stop11h 28m

$242

San JuanSantiago de los Caballeros

SJU - STI

SJUSTI

San Juan Luis Munoz Marin Intl

Fri 8/8

10:14 pm-9:50 am

1 stop11h 36m

Santiago de los Caballeros

Sun 8/24

10:20 am-9:48 pm

1 stop11h 28m

$296

San JuanSantiago de los Caballeros

SJU - STI

SJUSTI

San Juan Luis Munoz Marin Intl

Mon 8/11

11:30 am-12:51 pm

Nonstop1h 21m

$82

San JuanSantiago de los Caballeros

SJU - STI

SJUSTI

San Juan Luis Munoz Marin Intl

Sun 7/13

2:50 pm-4:02 pm

Nonstop1h 12m

$114

San JuanSantiago de los Caballeros

SJU - STI

SJUSTI

San Juan Luis Munoz Marin Intl

Fri 7/11

10:14 pm-9:50 am

1 stop11h 36m

$155

San JuanSantiago de los Caballeros

SJU - STI

SJUSTI

San Juan Luis Munoz Marin Intl

Mon 8/25

3:20 pm-9:15 am

3 stops17h 55m

$312

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/29

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

Have a flexible travel schedule? Discover the best time to fly to Santiago de los Caballeros from Puerto Rico 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 Puerto Rico to Santiago de los Caballeros

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

Currently, May is the cheapest month in which you can book a flight from Puerto Rico to Santiago de los Caballeros (average of $347). Flying from Puerto Rico to Santiago de los Caballeros in July is currently the most expensive (average of $629). 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 PR to STI?

Find hourly flight availability from Puerto Rico 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 June 30, 2025.

When flying from Puerto Rico to Santiago de los Caballeros, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Puerto Rico to Santiago de los Caballeros

Explore weekly flight availability from Puerto Rico 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 June 30, 2025.

The most flights from PR0 to STI are scheduled on a Monday (2 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (1 on average).

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 June 30, 2025.
Peruse reviews from past customers who have flown with JetBlue, Spirit Airlines, and Frontier from Puerto Rico 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
7.3
Good
2,920 reviews

Overall

7.3

Entertainment

7.3

Comfort

7.6

Food

6.7

Crew

8.0

Boarding

7.5

Reviews

1 / 20
6.0
Good

Lawrence,Jan 2024

SJU - BOS

Horrible baggage service. Took an hour to get our bags after we landed.
JetBlue
7.3
Good
2,920 reviews
JetBlue
7.3
Good
2,920 reviews

Overall

7.3

Entertainment

7.3

Comfort

7.6

Food

6.7

Crew

8.0

Boarding

7.5

Reviews

1 / 20
6.0
Good

Lawrence,Jan 2024

SJU - BOS

Horrible baggage service. Took an hour to get our bags after we landed.
Spirit Airlines
6.3
Okay
8,096 reviews
JetBlue
7.3
Good
2,920 reviews

Overall

7.3

Entertainment

7.3

Comfort

7.6

Food

6.7

Crew

8.0

Boarding

7.5

Reviews

1 / 20
6.0
Good

Lawrence,Jan 2024

SJU - BOS

Horrible baggage service. Took an hour to get our bags after we landed.
Frontier
5.9
Fair
3,289 reviews
JetBlue
7.3
Good
2,920 reviews

Overall

7.3

Entertainment

7.3

Comfort

7.6

Food

6.7

Crew

8.0

Boarding

7.5

Reviews

1 / 20
6.0
Good

Lawrence,Jan 2024

SJU - BOS

Horrible baggage service. Took an hour to get our bags after we landed.

Related info for your journey

Find useful and relevant information for your journey from Puerto Rico 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 Puerto Rico?

    Santiago de los Caballeros (STI) is the airport you will fly into if you book a flight from Puerto Rico to Santiago de los Caballeros. It is only a 6.8 mi journey from Santiago (STI) to Santiago de los Caballeros’s city center.

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

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $82. Users have also found prices from $114 and $155 on JetBlue and Spirit Airlines, respectively.

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

    On average you can expect to pay $184 for a flight from Puerto Rico to Santiago de los Caballeros. The cheapest flight overall is $82 while the most popular route, (San Juan Luis Munoz Marin Intl - Santiago de los Caballeros) is currently priced at $217.

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

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

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

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

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

    Currently, May is the cheapest month in which you can book a flight from Puerto Rico to Santiago de los Caballeros (average of $347). Flying from Puerto Rico to Santiago de los Caballeros in July is currently the most expensive (average of $629). 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

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Top 3 airlines flying from Puerto Rico to Santiago de los Caballeros

Discover the top 3 airlines that operate flights from Puerto Rico 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 June 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$83Average$185FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$172Average$270FlexibilityNo cancel feeOn-time62%
Silver AirwaysCheapest$194Average$265FlexibilityNo cancel feeOn-timeN/A

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