What are the cheapest airlines to fly from San Juan to Santiago de los Caballeros one-way?

$82 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on JetBlue and Spirit Airlines, with prices starting from $114 and $159, respectively.

What is the cheapest day to fly from San Juan to Santiago de los Caballeros?

Travelers seeking maximum savings on their San Juan to Santiago de los Caballeros flight should consider departing on Monday afternoons when fares are most often at their lowest. Wednesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Santiago de los Caballeros ranges from 3.0 - 11.6 inches per month. December is typically the wettest month, when rainfall can reach 11.6 in. July is typically the driest time to visit Santiago de los Caballeros when rainfall is around 3.0 in.

If weather is an important factor for your trip to Santiago de los Caballeros, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 73.4 F).

What are the most popular airlines that fly from San Juan to Santiago de los Caballeros?

Consider Silver Airways, JetBlue or Frontier when booking your flight. These represent the most popular airlines when flying from San Juan to Santiago de los Caballeros.

What is the cheapest day to fly round-trip from San Juan to Santiago de los Caballeros?

Users have found that flying from San Juan to Santiago de los Caballeros on a Saturday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

How far in advance should I book a flight from San Juan to Santiago de los Caballeros?

Travelers have found it’s best to book a flight 38 days in advance to save up to 50% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 38 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from San Juan to Santiago de los Caballeros 1-2 weeks in advance for as low as $177, or $276 for flights within the next 24 hours.

What is the cheapest month to fly from San Juan to Santiago de los Caballeros?

The best pricing can be found in the month of February. Prices to Santiago de los Caballeros from San Juan average $221. You can even find prices in February for less than $221, as users have found deals to Santiago de los Caballeros from as low as $84. The month of December appears to be one of the more expensive times to travel to Santiago de los Caballeros from San Juan. Flying in the targeted month can save you up to 42%.

What airport do you fly into for flights to Santiago de los Caballeros from San Juan?

For a flight from San Juan to Santiago de los Caballeros, you will be flying into Santiago. Santiago de los Caballeros (STI) is just 6.8 mi from the center of the city. Santiago is the only Santiago de los Caballeros airport and it handles 1 inbound flight from San Juan per day. 3 airlines have flights to Santiago de los Caballeros from San Juan on a regular basis.

How can I find direct flights from San Juan 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 San Juan to Santiago de los Caballeros.

Can I find deals for business class flights from San Juan to Santiago de los Caballeros?

Yes. Cheapflights offers flight deals from San Juan 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.

$82+ Flights from San Juan to Santiago de los Caballeros

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1. Tell us where you want to go

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Cheapflights Tip: The best prices from San Juan to Santiago de los Caballeros are usually found in February or October, booked 37 days in advance, depart on a Friday or Monday and return on a Friday

Cheap flight deals from San Juan to Santiago de los Caballeros

Round-trip from	$175 (Frontier)
One-way from	$82 (Kiwi.com)
Popular in	December
Cheapest in	February
Average price	$265

From San Juan to Santiago de los Caballeros

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One-way flight from San Juan 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 July 2025

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Find flight deals from San Juan to Santiago de los Caballeros

Cheapest flights from San Juan to Santiago de los Caballeros
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 July 1, 2025.

Fri 7/1111:30 amSJU - STI

Nonstop1h 21mFrontier

Mon 7/142:06 pmSTI - SJU

Nonstop1h 17mFrontier

Deal found 6/30

$175

Wed 7/232:50 pmSJU - STI

Nonstop1h 12mJetBlue

Mon 7/285:15 pmSTI - SJU

Nonstop1h 10mJetBlue

Deal found 6/30

$217

Fri 8/811:30 amSJU - STI

Nonstop1h 21mMultiple Airlines

Sun 8/2410:20 amSTI - SJU

1 stop11h 28mMultiple Airlines

Deal found 6/30

$242

Thu 8/710:14 pmSJU - STI

1 stop11h 36mSpirit Airlines

Sun 8/1010:55 amSTI - SJU

1 stop10h 14mSpirit Airlines

Deal found 7/1

$333

Best flights from San Juan to Santiago de los Caballeros
Discover carefully curated flight deals from San Juan to Santiago de los Caballeros that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 1, 2025.

Fri 7/1111:30 amSJU - STI

Nonstop1h 21mFrontier

Mon 7/142:06 pmSTI - SJU

Nonstop1h 17mFrontier

Deal found 6/30

$175

Wed 7/232:50 pmSJU - STI

Nonstop1h 12mJetBlue

Sun 7/275:15 pmSTI - SJU

Nonstop1h 10mJetBlue

Deal found 6/30

$217

Fri 8/811:30 amSJU - STI

Nonstop1h 21mMultiple Airlines

Sun 8/2410:20 amSTI - SJU

1 stop11h 28mMultiple Airlines

Deal found 6/30

$242

Fri 8/810:14 pmSJU - STI

1 stop11h 36mSpirit Airlines

Sun 8/2410:20 amSTI - SJU

1 stop11h 28mSpirit Airlines

Deal found 6/30

$296

Last-minute flights from San Juan to Santiago de los Caballeros
Discover last-minute flight deals from San Juan to Santiago de los Caballeros. Data last updated July 1, 2025 and is based on user searches.

Thu 7/102:50 pmSJU - STI

Nonstop1h 12mJetBlue

Tue 7/155:15 pmSTI - SJU

Nonstop1h 10mJetBlue

Deal found 6/30

$217

Thu 7/101:10 amSJU - STI

1 stop11h 47mUnited Airlines

Thu 7/172:07 pmSTI - SJU

1 stop9h 55mUnited Airlines

Deal found 7/1

$963

Fri 7/1111:30 amSJU - STI

Nonstop1h 21mFrontier

Mon 7/142:06 pmSTI - SJU

Nonstop1h 17mFrontier

Deal found 6/30

$175

Fri 7/1110:14 pmSJU - STI

1 stop11h 36mMultiple Airlines

Mon 7/142:06 pmSTI - SJU

Nonstop1h 17mMultiple Airlines

Deal found 6/30

$267

Fri 7/1110:14 pmSJU - STI

1 stop11h 36mSpirit Airlines

Mon 7/1410:55 amSTI - SJU

1 stop10h 14mSpirit Airlines

Deal found 6/30

$332

Wed 7/232:50 pmSJU - STI

Nonstop1h 12mJetBlue

Mon 7/285:15 pmSTI - SJU

Nonstop1h 10mJetBlue

Deal found 6/30

$217

Thu 8/710:14 pmSJU - STI

1 stop11h 36mSpirit Airlines

Sun 8/1010:55 amSTI - SJU

1 stop10h 14mSpirit Airlines

Deal found 7/1

$333

Fri 8/811:30 amSJU - STI

Nonstop1h 21mMultiple Airlines

Sun 8/2410:20 amSTI - SJU

1 stop11h 28mMultiple Airlines

Deal found 6/30

$242

One-way flights from San Juan to Santiago de los Caballeros
Search for one-way flight options from San Juan to Santiago de los Caballeros. Find affordable one-way fares based on user searches. Data last updated July 1, 2025.

Wed 7/911:30 amSJU - STI

Nonstop1h 21mFrontier

Deal found 7/1

$82

Sun 7/132:50 pmSJU - STI

Nonstop1h 12mJetBlue

Deal found 6/30

$114

Thu 7/1710:14 pmSJU - STI

1 stop11h 36mSpirit Airlines

Deal found 7/1

$159

Wed 9/241:05 amSJU - STI

1 stop11h 52mUnited Airlines

Deal found 6/30

$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 7/11

11:30 am-12:51 pm

Nonstop1h 21m

Santiago de los Caballeros

Mon 7/14

2:06 pm-3:23 pm

Nonstop1h 17m

$175

San JuanSantiago de los Caballeros

SJU - STI

SJUSTI

San Juan Luis Munoz Marin Intl

Wed 7/23

2:50 pm-4:02 pm

Nonstop1h 12m

Santiago de los Caballeros

Sun 7/27

5:15 pm-6:25 pm

Nonstop1h 10m

$217

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

Wed 7/9

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

Thu 7/17

10:14 pm-9:50 am

1 stop11h 36m

$159

San JuanSantiago de los Caballeros

SJU - STI

SJUSTI

San Juan Luis Munoz Marin Intl

Wed 9/24

1:05 am-12:57 pm

1 stop11h 52m

$333

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

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.

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 San Juan to Santiago de los Caballeros

How far ahead should I book a flight from San Juan to Santiago de los Caballeros?

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 37 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, May is the cheapest month in which you can book a flight from San Juan to Santiago de los Caballeros (average of $347). Flying from San Juan 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 SJU to STI?

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 38% on your trip compared to booking a flight in the evening.

How much does it cost to fly round-trip from San Juan to Santiago de los Caballeros?

Reviews of airlines servicing Santiago de los Caballeros

Peruse reviews from past customers who have flown with United Airlines, JetBlue, and Spirit Airlines 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.

United Airlines

7.4

Good

8,858 reviews

Reviews

1 / 20

10.0

Excellent

Kathy,Jun 2024

RDD - SFO

United has consistently been good. Every now and then there is a crew member that should probably retire, but most of them are excellent.

United Airlines

7.4

Good

8,858 reviews

United Airlines

7.4

Good

8,858 reviews

Reviews

1 / 20

10.0

Excellent

Kathy,Jun 2024

RDD - SFO

United has consistently been good. Every now and then there is a crew member that should probably retire, but most of them are excellent.

JetBlue

7.3

Good

2,919 reviews

United Airlines

7.4

Good

8,858 reviews

Reviews

1 / 20

10.0

Excellent

Kathy,Jun 2024

RDD - SFO

United has consistently been good. Every now and then there is a crew member that should probably retire, but most of them are excellent.

Spirit Airlines

6.3

Okay

8,101 reviews

United Airlines

7.4

Good

8,858 reviews

Reviews

1 / 20

10.0

Excellent

Kathy,Jun 2024

RDD - SFO

United has consistently been good. Every now and then there is a crew member that should probably retire, but most of them are excellent.

Frontier

5.9

Fair

3,291 reviews

United Airlines

7.4

Good

8,858 reviews

Reviews

1 / 20

10.0

Excellent

Kathy,Jun 2024

RDD - SFO

United has consistently been good. Every now and then there is a crew member that should probably retire, but most of them are excellent.

Related info for your journey

What airport do you fly into for flights to Santiago de los Caballeros from San Juan?
For a flight from San Juan to Santiago de los Caballeros, you will be flying into Santiago. Santiago de los Caballeros (STI) is just 6.8 mi from the center of the city. Santiago is the only Santiago de los Caballeros airport and it handles 1 inbound flight from San Juan per day. 3 airlines have flights to Santiago de los Caballeros from San Juan on a regular basis.
What are the cheapest airlines flying from San Juan to Santiago de los Caballeros round-trip?
Currently priced at $175, Frontier will fly you from San Juan to Santiago de los Caballeros and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from JetBlue and Spirit Airlines - these airlines can fly you to your destination from $217 and $296, respectively. You may be able to fly from San Juan to Santiago de los Caballeros for 20% less than the average price by searching for these airlines.
What are the cheapest airlines to fly from San Juan to Santiago de los Caballeros one-way?
$82 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on JetBlue and Spirit Airlines, with prices starting from $114 and $159, respectively.
What are the cheapest flights from San Juan to Santiago de los Caballeros?
The cheapest flight price from San Juan to Santiago de los Caballeros is $82. On average you can expect to pay $184. The most popular route, (San Juan Luis Munoz Marin Intl - Santiago de los Caballeros), can usually be booked for $217.
Can I find deals for flights from San Juan to Santiago de los Caballeros that include hotel bookings?
Yes. In addition to deals on San Juan to Santiago de los Caballeros flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from San Juan 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 San Juan to Santiago de los Caballeros.
Can I find deals for business class flights from San Juan to Santiago de los Caballeros?
Yes. Cheapflights offers flight deals from San Juan 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 San Juan to Santiago de los Caballeros?
Currently, May is the cheapest month in which you can book a flight from San Juan to Santiago de los Caballeros (average of $347). Flying from San Juan 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

Top 3 airlines flying from San Juan to Santiago de los Caballeros

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$83	Average$181	FlexibilityNo cancel fee	On-time62%
JetBlue	Cheapest$172	Average$270	FlexibilityNo cancel fee	On-time62%
Silver Airways	Cheapest$194	Average$265	FlexibilityNo cancel fee	On-timeN/A

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$82+ 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 7/9. 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

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3. Compare prices and book

Cheapflights Tip: The best prices from San Juan to Santiago de los Caballeros are usually found in February or October, booked 37 days in advance, depart on a Friday or Monday and return on a Friday

Cheap flight deals from San Juan to Santiago de los Caballeros

Round-trip from

One-way from

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Cheapest in

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Find 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 July 1, 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 July 1, 2025.

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.

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 June 27, 2025.

What is the cheapest month to book a flight from San Juan to Santiago de los Caballeros?

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 July 1, 2025.

How much does it cost to fly round-trip from San Juan to Santiago de los Caballeros?

Reviews of airlines servicing Santiago de los Caballeros

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.

What airport do you fly into for flights to Santiago de los Caballeros from San Juan?

What are the cheapest airlines flying from San Juan to Santiago de los Caballeros round-trip?

What are the cheapest airlines to fly from San Juan to Santiago de los Caballeros one-way?

What are the cheapest flights from San Juan to Santiago de los Caballeros?

Can I find deals for flights from San Juan to Santiago de los Caballeros that include hotel bookings?

How can I find direct flights from San Juan to Santiago de los Caballeros?

Can I find deals for business class flights from San Juan to Santiago de los Caballeros?

What is the cheapest month to book a flight from San Juan to Santiago de los Caballeros?

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.

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 3 airlines flying from San Juan to Santiago de los Caballeros

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Cheapest flights from San Juan to Santiago de los Caballeros
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 July 1, 2025.