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San Juan

$236+ Cheap flights from Harlingen, TX (HRL) to San Juan

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 1/8. Fares are subject to change and may not be available on all flights or dates of travel.
HRL — SJU
nov. 18 — nov. 251
mar. 11/18
mar. 11/25
1 adult, Economy
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Cheap flight deals from Harlingen to San Juan

Discover tips and strategies to find the most affordable flight options for your journey from Harlingen (HRL) to San Juan (PR1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated octubre 19, 2025.

Round-trip from

$436
(American Airlines)

One-way from

$236
(American Airlines)

Popular in

October

Cheapest in

January

Average price

$871
From Harlingen Valley Intl to San Juan
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One-way flight from Harlingen Valley Intl to San Juan
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Highest demand for flights based on searches. 12% potential increase in price ($83 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Harlingen to San Juan

Cheapest flights from Harlingen to San Juan
Explore the most affordable flight options available from Harlingen to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 19, 2025.

This American Airlines deal was found by Cheapflights users on 10/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/28:04 pmHRL - SJU
1 stop8h 06mAmerican Airlines
mar. 11/47:15 amSJU - HRL
1 stop10h 17mAmerican Airlines
Deal found 10/18$485
This United Airlines deal was found by Cheapflights users on 10/17. 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.
vie. 10/3112:10 pmHRL - SJU
1 stop7h 16mUnited Airlines
dom. 11/22:05 amSJU - HRL
2 stops15h 54mUnited Airlines
Deal found 10/17$494
This American Airlines deal was found by Cheapflights users on 10/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/46:10 pmHRL - SJU
1 stop9h 09mAmerican Airlines
lun. 12/86:42 pmSJU - HRL
2 stops16h 59mAmerican Airlines
Deal found 10/17$507
This American Airlines deal was found by Cheapflights users on 10/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/106:40 pmHRL - SJU
1 stop18h 26mAmerican Airlines
lun. 11/176:42 pmSJU - HRL
2 stops18h 58mAmerican Airlines
Deal found 10/17$553
This United Airlines deal was found by Cheapflights users on 10/18. 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.
dom. 11/25:00 amHRL - SJU
1 stop9h 36mUnited Airlines
lun. 11/32:05 amSJU - HRL
2 stops15h 54mUnited Airlines
Deal found 10/18$691
This American Airlines deal was found by Cheapflights users on 10/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/224:08 pmHRL - SJU
2 stops16h 02mAmerican Airlines
mié. 11/264:33 pmSJU - HRL
1 stop8h 24mAmerican Airlines
Deal found 10/18$768
This American Airlines deal was found by Cheapflights users on 10/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/3110:06 amHRL - SJU
1 stop27h 19mAmerican Airlines
lun. 11/33:51 pmSJU - HRL
1 stop9h 23mAmerican Airlines
Deal found 10/17$875
This Kiwi.com deal was found by Cheapflights users on 10/17. 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.
vie. 12/1911:55 amHRL - SJU
2 stops26h 04mMultiple Airlines
dom. 12/213:14 pmSJU - HRL
1 stop21h 33mMultiple Airlines
Deal found 10/17$884

Cheapflights Fare Finder

 
Customize your flight search to find flights from Harlingen to San Juan 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 octubre 19, 2025.
Use the filters below to find and compare flights from Harlingen to San Juan that are best for you.

Fly from

Harlingen

Fly to

San Juan

Route

Depart

Return

Price

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

mar. 4/7

4:14 pm-11:00 am

2 stops17h 46m

San Juan Luis Munoz Marin Intl

mié. 4/8

3:50 pm-11:32 am

2 stops20h 42m

$436

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

dom. 11/2

8:04 pm-4:06 pm

2 stops18h 02m

San Juan Luis Munoz Marin Intl

mar. 11/4

6:00 am-6:10 pm

2 stops14h 10m

$485

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

vie. 10/31

10:06 am-9:14 pm

2 stops10h 08m

San Juan Luis Munoz Marin Intl

lun. 11/3

6:42 pm-9:51 am

2 stops17h 09m

$485

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

vie. 10/31

12:10 pm-8:26 pm

1 stop7h 16m

San Juan Luis Munoz Marin Intl

dom. 11/2

2:05 am-3:59 pm

2 stops15h 54m

$494

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

jue. 12/4

6:10 pm-5:19 am

1 stop9h 09m

San Juan Luis Munoz Marin Intl

lun. 12/8

6:42 pm-9:41 am

2 stops16h 59m

$507

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

mar. 4/7

5:15 am-3:40 pm

1 stop9h 25m

San Juan Luis Munoz Marin Intl

mié. 4/8

7:00 am-3:34 pm

1 stop9h 34m

$520

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

jue. 1/8

6:43 pm-10:48 am

2 stops14h 05m

$236

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

jue. 1/8

11:21 am-4:08 pm

1 stop26h 47m

$354

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/17

Best time to book a flight from Harlingen to San Juan

Have a flexible travel schedule? Discover the best time to fly to San Juan 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.

Cheapflights Insights

Everything you need to know about your flight from Harlingen to San Juan

What is the cheapest month to book a flight from Harlingen, Texas to San Juan?

Currently, January is the cheapest month in which you can book a flight from Harlingen, Texas to San Juan (average of $267). Flying from Harlingen, Texas to San Juan in October is currently the most expensive (average of $448). 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 HRL to SJU?

Find hourly flight availability from Harlingen to San Juan. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated octubre 19, 2025.

A simple way to save on the total cost of your ticket is to fly from Harlingen, Texas to San Juan in the evening. If you’re flexible enough to do this you can expect to save up to 14% on your trip compared to booking a flight in the morning.

How much does it cost to fly round-trip from Harlingen, Texas to San Juan?

Reviews of airlines servicing San Juan

Get insights into the airlines that provide service to San Juan. 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 San Juan. Reviews last updated octubre 19, 2025.
Peruse reviews from past customers who have flown with Southwest, United Airlines, and American Airlines from Harlingen to San Juan 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.
Southwest
8.0
Very good
4,241 reviews

Boarding

8.1

Entertainment

7.5

Food

7.0

Crew

8.6

Overall

8.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,241 reviews
Southwest
8.0
Very good
4,241 reviews

Boarding

8.1

Entertainment

7.5

Food

7.0

Crew

8.6

Overall

8.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,994 reviews
Southwest
8.0
Very good
4,241 reviews

Boarding

8.1

Entertainment

7.5

Food

7.0

Crew

8.6

Overall

8.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,026 reviews
Southwest
8.0
Very good
4,241 reviews

Boarding

8.1

Entertainment

7.5

Food

7.0

Crew

8.6

Overall

8.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from Harlingen to San Juan. 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 Harlingen to San Juan?

    Harlingen Valley Intl (HRL), located 3.7 mi from the city center, is the airport you fly out of when you book flights from Harlingen to San Juan. 3 airlines have flights from Valley Intl to San Juan on a regular basis. Booking flights from Harlingen Valley Intl to San Juan should not be difficult; the airport handles an average of 0 outbound flights to San Juan per day.

  • How long is the flight from Harlingen, Texas to San Juan?

    Departing from Harlingen, Texas to San Juan will take you 17h 46m. The distance from Harlingen, Texas to San Juan is about 2086 mi.

  • What are the cheapest airlines flying from Harlingen, Texas to San Juan round-trip?

    Our cheapest airline available from Harlingen, Texas to San Juan is American Airlines. Our recent data shows that you can find tickets from as low as $306 on this airline. Additional options worth looking into are United Airlines and Southwest, starting at $309 and $513 round-trip. American Airlines is currently priced 48% below the average price you’ll pay for this route.

  • Can I find deals for flights from Harlingen to San Juan that include hotel bookings?

    Yes. In addition to deals on Harlingen to San Juan flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Harlingen to San Juan?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Harlingen to San Juan.

  • Can I find deals for business class flights from Harlingen to San Juan?

    Yes. Cheapflights offers flight deals from Harlingen to San Juan 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 Harlingen, Texas to San Juan?

    Currently, January is the cheapest month in which you can book a flight from Harlingen, Texas to San Juan (average of $267). Flying from Harlingen, Texas to San Juan in October is currently the most expensive (average of $448). 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

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Alternative routes for Harlingen to San Juan

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Harlingen to San Juan

Discover the top 3 airlines that operate flights from Harlingen to San Juan. 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 octubre 19, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$306Average$544FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$309Average$609FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$513Average$589FlexibilityNo cancel feeOn-time63%

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