How long is the flight from Harlingen, Texas to Santiago de los Caballeros?

For as low as $712, United Airlines can have you in Santiago de los Caballeros from Harlingen, Texas in 14h 51m. Airlines will cover a distance of 1781 mi.

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 is the cheapest time of day to fly from HRL to STI?

When flying from Harlingen, Texas 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.

Most accurate provider : When it comes to deals on Harlingen, Texas-Santiago de los Caballeros flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Harlingen, Texas-Santiago de los Caballeros flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Harlingen, Texas-Santiago de los Caballeros flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Harlingen, Texas-Santiago de los Caballeros flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Harlingen, Texas-Santiago de los Caballeros flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

Yes. Cheapflights offers flight deals from Harlingen 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.

$712+ Flights from Harlingen, TX to Santiago de los Caballeros

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Cheap flight deals from Harlingen to Santiago de los Caballeros

Best flights from Harlingen to Santiago de los Caballeros
Discover carefully curated flight deals from Harlingen 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 December 12, 2025.

Sun 1/187:00 amHRL - STI

2 stops14h 51mUnited Airlines

Thu 1/226:00 amSTI - HRL

2 stops17h 59mUnited Airlines

Deal found 12/10

$712

Last-minute flights from Harlingen to Santiago de los Caballeros
Discover last-minute flight deals from Harlingen to Santiago de los Caballeros. Data last updated December 12, 2025 and is based on user searches.

Sun 1/187:00 amHRL - STI

2 stops14h 51mUnited Airlines

Thu 1/226:00 amSTI - HRL

2 stops17h 59mUnited Airlines

Deal found 12/10

$712

Find flight deals from Harlingen to Santiago de los Caballeros

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$692 (United Airlines)

Provider with most accurate pricing for Harlingen Valley Intl-Santiago de los Caballeros flight deals.

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Provider most trusted by Cheapflights users for Harlingen Valley Intl-Santiago de los Caballeros flights.

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From Harlingen Valley Intl to Santiago de los Caballeros

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Use the filters below to find and compare flights from Harlingen to Santiago de los Caballeros that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HarlingenSantiago de los Caballeros

HRL - STI

HRLSTI

Harlingen Valley Intl

Sun 1/18

7:00 am-11:51 pm

2 stops14h 51m

Santiago de los Caballeros

Thu 1/22

6:00 am-9:59 pm

2 stops17h 59m

$712

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Compare providers for flights from Harlingen to Santiago de los Caballeros

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Harlingen to Santiago de los Caballeros in December.

Provider	Price Accuracy	Trust Score*
eDreams	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Harlingen, Texas-Santiago de los Caballeros flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Harlingen, Texas-Santiago de los Caballeros flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Harlingen, Texas-Santiago de los Caballeros flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Harlingen, Texas-Santiago de los Caballeros flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Harlingen, Texas-Santiago de los Caballeros flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Harlingen to Santiago de los Caballeros

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

Related info for your journey

How long is the flight from Harlingen, Texas to Santiago de los Caballeros?
For as low as $712, United Airlines can have you in Santiago de los Caballeros from Harlingen, Texas in 14h 51m. Airlines will cover a distance of 1781 mi.
Can I find deals for flights from Harlingen to Santiago de los Caballeros that include hotel bookings?
Yes. In addition to deals on Harlingen to Santiago de los Caballeros flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Harlingen 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 Harlingen to Santiago de los Caballeros.
Can I find deals for business class flights from Harlingen to Santiago de los Caballeros?
Yes. Cheapflights offers flight deals from Harlingen 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.

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$712+ Cheap flights from Harlingen, TX (HRL) to Santiago de los Caballeros (STI)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/18. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Harlingen to Santiago de los Caballeros with Cheapflights

1. Tell us where you want to go

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Cheap flight deals from Harlingen to Santiago de los Caballeros

Best flights from Harlingen to Santiago de los CaballerosDiscover carefully curated flight deals from Harlingen 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 December 12, 2025.

Discover carefully curated flight deals from Harlingen 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 December 12, 2025.

Find flight deals from Harlingen to Santiago de los Caballeros

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Most trusted provider

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Use the filters below to find and compare flights from Harlingen to Santiago de los Caballeros that are best for you.

Compare providers for flights from Harlingen to Santiago de los Caballeros

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Harlingen to Santiago de los Caballeros in December.

Best time to book a flight from Harlingen to Santiago de los Caballeros

Have a flexible travel schedule? Discover the best time to fly to Santiago de los Caballeros from Harlingen with our price prediction graph.

Related info for your journey

Find useful and relevant information for your journey from Harlingen 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.

How long is the flight from Harlingen, Texas to Santiago de los Caballeros?

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

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

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

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Best flights from Harlingen to Santiago de los Caballeros
Discover carefully curated flight deals from Harlingen 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 December 12, 2025.