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San Juan

$158+ 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 7/31. Fares are subject to change and may not be available on all flights or dates of travel.
HRL — SJU
Jul 6 — Jul 131
Sun 7/6
Sun 7/13
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 July 1, 2025.

Round-trip from

$315
(American Airlines)

One-way from

$158
(American Airlines)

Popular in

June

Cheapest in

January

Average price

$612
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. 4% potential increase in price ($26 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($15 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 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 July 1, 2025.

This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/135:45 amHRL - SJU
2 stops16h 52mAmerican Airlines
Thu 9/187:05 pmSJU - HRL
2 stops15h 36mAmerican Airlines
Deal found 6/30$315
This United Airlines deal was found by Cheapflights users on 7/1. 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.
Sat 9/135:20 pmHRL - SJU
2 stops20h 24mUnited Airlines
Wed 9/171:05 amSJU - HRL
2 stops21h 47mUnited Airlines
Deal found 7/1$417
This Southwest deal was found by Cheapflights users on 7/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/299:45 amHRL - SJU
1 stop11h 40mSouthwest
Mon 8/410:05 amSJU - HRL
2 stops10h 55mSouthwest
Deal found 7/1$520
This United deal was found by Cheapflights users on 7/1. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/297:10 amHRL - SJU
2 stops27h 20mMultiple Airlines
Sun 8/31:05 amSJU - HRL
2 stops21h 45mMultiple Airlines
Deal found 7/1$944

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 July 1, 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

Sat 9/13

5:45 am-11:37 pm

2 stops16h 52m

San Juan Luis Munoz Marin Intl

Thu 9/18

7:05 pm-9:41 am

2 stops15h 36m

$315

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Sat 9/13

5:20 pm-2:44 pm

2 stops20h 24m

San Juan Luis Munoz Marin Intl

Wed 9/17

1:05 am-9:52 pm

2 stops21h 47m

$417

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Tue 7/29

9:45 am-10:25 pm

1 stop11h 40m

San Juan Luis Munoz Marin Intl

Mon 8/4

10:05 am-8:00 pm

2 stops10h 55m

$520

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Tue 7/29

7:10 am-11:30 am

2 stops27h 20m

San Juan Luis Munoz Marin Intl

Sun 8/3

1:05 am-9:50 pm

2 stops21h 45m

$944

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Thu 7/31

7:59 pm-5:06 am

1 stop8h 07m

$158

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Thu 7/31

2:15 pm-12:55 am

2 stops9h 40m

$358

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Thu 7/31

5:20 pm-5:30 pm

3 stops23h 10m

$669

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

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, September is the cheapest month in which you can book a flight from Harlingen, Texas to San Juan (average of $254). Flying from Harlingen, Texas to San Juan in June is currently the most expensive (average of $339). 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 July 1, 2025.

A simple way to save on the total cost of your ticket is to fly from Harlingen, Texas to San Juan in the afternoon. If you’re flexible enough to do this you can expect to save up to 15% 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 July 1, 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
4,273 reviews

Entertainment

7.6

Crew

8.6

Boarding

8.2

Overall

8.0

Food

7.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Southwest
8.0
Very good
4,273 reviews
Southwest
8.0
Very good
4,273 reviews

Entertainment

7.6

Crew

8.6

Boarding

8.2

Overall

8.0

Food

7.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
United Airlines
7.4
Good
8,858 reviews
Southwest
8.0
Very good
4,273 reviews

Entertainment

7.6

Crew

8.6

Boarding

8.2

Overall

8.0

Food

7.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,273 reviews

Entertainment

7.6

Crew

8.6

Boarding

8.2

Overall

8.0

Food

7.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

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.

  • 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 $315 on this airline. Additional options worth looking into are United Airlines and Southwest, starting at $417 and $520 round-trip. American Airlines is currently priced 44% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Harlingen, Texas to San Juan one-way?

    One-way options have recently been found by users for as low as $158 on American Airlines. Other airlines that offer cheap prices include Southwest from $358 and United Airlines from $669 one-way.

  • 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, September is the cheapest month in which you can book a flight from Harlingen, Texas to San Juan (average of $254). Flying from Harlingen, Texas to San Juan in June is currently the most expensive (average of $339). 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.

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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 July 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$294Average$602FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$378Average$549FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$423Average$637FlexibilityNo cancel feeOn-time69%

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