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San Juan

$196+ 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 2/21. Fares are subject to change and may not be available on all flights or dates of travel.
HRL — SJU
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
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 November 6, 2025.

Round-trip from

$301
(American Airlines)

One-way from

$196
(Southwest)

Popular in

October

Cheapest in

January

Average price

$664
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 November 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 November 6, 2025.

This American Airlines deal was found by Cheapflights users on 11/4. 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.
Mon 11/245:40 amHRL - SJU
2 stops17h 04mAmerican Airlines
Tue 12/26:42 pmSJU - HRL
2 stops16h 59mAmerican Airlines
Deal found 11/4$486
This United Airlines deal was found by Cheapflights users on 11/4. 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.
Mon 11/2412:10 pmHRL - SJU
1 stop7h 16mUnited Airlines
Mon 12/12:05 amSJU - HRL
2 stops19h 44mUnited Airlines
Deal found 11/4$627
This American Airlines deal was found by Cheapflights users on 11/4. 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.
Thu 12/46:10 pmHRL - SJU
2 stops13h 59mAmerican Airlines
Sun 12/77:00 amSJU - HRL
1 stop17h 51mAmerican Airlines
Deal found 11/4$677
This American Airlines deal was found by Cheapflights users on 11/4. 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.
Tue 12/238:11 pmHRL - SJU
1 stop16h 48mAmerican Airlines
Wed 12/3110:03 pmSJU - HRL
2 stops18h 15mAmerican Airlines
Deal found 11/4$805
This United Airlines deal was found by Cheapflights users on 11/4. 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.
Thu 12/412:16 pmHRL - SJU
1 stop7h 10mUnited Airlines
Sat 12/62:05 amSJU - HRL
2 stops15h 54mUnited Airlines
Deal found 11/4$821
This United Airlines deal was found by Cheapflights users on 11/5. 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.
Thu 12/257:00 amHRL - SJU
1 stop12h 26mUnited Airlines
Mon 1/123:46 pmSJU - HRL
1 stop8h 13mUnited Airlines
Deal found 11/5$895
This American Airlines deal was found by Cheapflights users on 11/4. 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.
Thu 12/255:34 amHRL - SJU
1 stop15h 48mAmerican Airlines
Mon 1/127:12 pmSJU - HRL
2 stops17h 24mAmerican Airlines
Deal found 11/4$897

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 November 6, 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

Tue 4/7

10:05 am-11:00 am

2 stops23h 55m

San Juan Luis Munoz Marin Intl

Wed 4/8

3:50 pm-9:49 am

2 stops18h 59m

$301

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Tue 1/13

7:00 am-4:36 pm

1 stop7h 36m

San Juan Luis Munoz Marin Intl

Mon 1/26

2:05 am-4:06 pm

2 stops16h 01m

$329

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Tue 1/13

6:02 am-6:22 pm

2 stops10h 20m

San Juan Luis Munoz Marin Intl

Tue 1/27

6:00 am-6:14 pm

2 stops14h 14m

$364

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Tue 4/7

5:15 am-3:40 pm

1 stop9h 25m

San Juan Luis Munoz Marin Intl

Wed 4/8

7:00 am-1:14 pm

1 stop7h 14m

$467

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Mon 11/24

5:40 am-12:44 am

2 stops17h 04m

San Juan Luis Munoz Marin Intl

Tue 12/2

6:42 pm-9:41 am

2 stops16h 59m

$486

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Sat 2/21

6:15 am-8:55 pm

2 stops12h 40m

$196

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Thu 1/8

6:44 pm-10:48 am

2 stops14h 04m

$236

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Thu 1/8

12:10 pm-9:26 pm

1 stop7h 16m

$253

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Sat 2/21

11:07 am-3:06 pm

3 stops49h 59m

$475

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/4

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 $449). 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 November 6, 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 November 6, 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

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Overall

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

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Overall

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
9,007 reviews
Southwest
8.0
Very good
4,241 reviews

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Overall

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
11,040 reviews
Southwest
8.0
Very good
4,241 reviews

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Overall

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 7h 36m. The distance from Harlingen, Texas to San Juan is about 2086 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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.

  • 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 $196 on Southwest. Other airlines that offer cheap prices include American Airlines from $236 and United Airlines from $253 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, 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 $449). 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

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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 November 6, 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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