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Puerto Rico

$269+ Cheap flights from Harlingen, TX (HRL) to Puerto Rico

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 2/2. Fares are subject to change and may not be available on all flights or dates of travel.
HRL — SJU
Jan 4 — Jan 111
Sun 1/4
Sun 1/11
1 adult, Economy
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Cheap flight deals from Harlingen to Puerto Rico

Cheapest flights from Harlingen to Puerto Rico
Explore the most affordable flight options available from Harlingen to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 5, 2025.

This United Airlines deal was found by Cheapflights users on 12/3. 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.
Fri 12/57:00 amHRL - SJU
1 stop7h 36mUnited Airlines
Sat 12/133:46 pmSJU - HRL
1 stop8h 08mUnited Airlines
Deal found 12/3$570
This Southwest deal was found by Cheapflights users on 12/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/911:30 amHRL - SJU
2 stops11h 05mSouthwest
Thu 12/118:55 amSJU - HRL
2 stops11h 05mSouthwest
Deal found 12/5$610
This United Airlines deal was found by Cheapflights users on 12/5. 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.
Tue 12/97:00 amHRL - SJU
2 stops15h 36mUnited Airlines
Thu 12/113:46 pmSJU - HRL
1 stop8h 08mUnited Airlines
Deal found 12/5$621
This American Airlines deal was found by Cheapflights users on 12/4. 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 12/2510:12 amHRL - SJU
2 stops21h 23mAmerican Airlines
Mon 1/125:51 pmSJU - HRL
2 stops18h 45mAmerican Airlines
Deal found 12/4$632
This American Airlines deal was found by Cheapflights users on 12/3. 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.
Fri 12/56:10 pmHRL - SJU
2 stops17h 20mAmerican Airlines
Sat 12/136:42 pmSJU - HRL
2 stops16h 56mAmerican Airlines
Deal found 12/3$655
This United Airlines deal was found by Cheapflights users on 12/3. 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 12/137:45 amSJU - HRL
1 stop10h 14mUnited Airlines
Deal found 12/3$660
This American Airlines deal was found by Cheapflights users on 12/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/95:36 amHRL - SJU
1 stop13h 49mAmerican Airlines
Thu 12/117:00 amSJU - HRL
1 stop14h 30mAmerican Airlines
Deal found 12/5$665
This United Airlines deal was found by Cheapflights users on 12/3. 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
Sun 12/147:45 amSJU - HRL
1 stop10h 14mUnited Airlines
Deal found 12/3$711
This United Airlines deal was found by Cheapflights users on 12/3. 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.
Fri 12/59:20 amHRL - SJU
2 stops13h 16mUnited Airlines
Sun 12/147:45 amSJU - HRL
1 stop10h 14mUnited Airlines
Deal found 12/3$783
This American Airlines deal was found by Cheapflights users on 12/3. 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 stops15h 49mAmerican Airlines
Sun 12/146:00 amSJU - HRL
2 stops11h 29mAmerican Airlines
Deal found 12/3$800

Find flight deals from Harlingen to Puerto Rico

Keep the following information in mind while searching for Harlingen to Puerto Rico flight deals. Data was last updated December 5, 2025.

Round-trip from

$269
(United Airlines)

Popular in

December

Cheapest in

January

Average price

$975
From Harlingen Valley Intl to Puerto Rico
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($33 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($37 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Harlingen to Puerto Rico 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 December 5, 2025.
Use the filters below to find and compare flights from Harlingen to Puerto Rico that are best for you.

Fly from

Harlingen

Fly to

Puerto Rico

Route

Depart

Return

Price

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Mon 2/2

9:20 am-12:36 am

2 stops13h 16m

San Juan Luis Munoz Marin Intl

Fri 2/13

7:45 am-4:04 pm

1 stop10h 19m

$269

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Sun 1/25

12:10 pm-9:26 pm

1 stop7h 16m

San Juan Luis Munoz Marin Intl

Thu 1/29

3:46 pm-9:59 pm

1 stop8h 13m

$329

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Mon 1/26

12:10 pm-9:26 pm

1 stop7h 16m

San Juan Luis Munoz Marin Intl

Thu 1/29

7:45 am-4:06 pm

1 stop10h 21m

$329

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Mon 2/2

6:44 pm-10:48 am

2 stops14h 04m

San Juan Luis Munoz Marin Intl

Fri 2/13

8:15 am-10:52 pm

2 stops16h 37m

$355

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Mon 4/20

7:54 pm-4:00 am

1 stop7h 06m

San Juan Luis Munoz Marin Intl

Fri 4/24

3:20 pm-11:59 pm

1 stop9h 39m

$391

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Wed 1/14

3:22 pm-10:48 am

2 stops17h 26m

San Juan Luis Munoz Marin Intl

Tue 1/20

5:51 pm-10:36 am

2 stops18h 45m

$437

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Sun 2/1

6:02 am-10:26 pm

1 stop14h 24m

San Juan Luis Munoz Marin Intl

Sat 2/14

7:30 am-6:16 pm

1 stop12h 46m

$507

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Thu 1/8

3:22 pm-10:48 am

2 stops17h 26m

$272

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Thu 1/8

12:10 pm-9:26 pm

1 stop7h 16m

$353

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/3

Best time to book a flight from Harlingen to Puerto Rico

Have a flexible travel schedule? Discover the best time to fly to Puerto Rico 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 Puerto Rico

What is the cheapest month to book a flight from Harlingen, Texas to Puerto Rico?

Currently, January is the cheapest month in which you can book a flight from Harlingen, Texas to Puerto Rico (average of $239). Flying from Harlingen, Texas to Puerto Rico 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 PR?

Find hourly flight availability from Harlingen to Puerto Rico. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 5, 2025.

When flying from Harlingen, Texas to Puerto Rico, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 14% versus a flight in the morning.

Reviews of airlines servicing Puerto Rico

Get insights into the airlines that provide service to Puerto Rico. 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 Puerto Rico. Reviews last updated December 5, 2025.
Get a feel of what it's like to fly with Southwest, United Airlines, and American Airlines from Harlingen to Puerto Rico by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,250 reviews

Boarding

8.1

Food

7.0

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,250 reviews
Southwest
8.0
Very good
4,250 reviews

Boarding

8.1

Food

7.0

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,064 reviews
Southwest
8.0
Very good
4,250 reviews

Boarding

8.1

Food

7.0

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,047 reviews
Southwest
8.0
Very good
4,250 reviews

Boarding

8.1

Food

7.0

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

Find useful and relevant information for your journey from Harlingen to Puerto Rico. 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 Puerto Rico?

    Harlingen Valley Intl (HRL) is the airport you will fly out of if you book a flight from Harlingen to Puerto Rico. It is only a 3.7 mi journey to Valley Intl (HRL) from Harlingen’s city center.

  • How long is the flight from Harlingen, Texas to Puerto Rico?

    Airlines like United Airlines and American Airlines fly from Harlingen, Texas to Puerto Rico in about 13h 16m. The time it takes to get you to your destination can typically vary by up to 48m. Airlines will cover a distance of 2086 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Harlingen to Puerto Rico that include hotel bookings?

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

  • How can I find direct flights from Harlingen to Puerto Rico?

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

  • Can I find deals for business class flights from Harlingen to Puerto Rico?

    Yes. Cheapflights offers flight deals from Harlingen to Puerto Rico 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 Puerto Rico?

    Currently, January is the cheapest month in which you can book a flight from Harlingen, Texas to Puerto Rico (average of $239). Flying from Harlingen, Texas to Puerto Rico 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

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 Harlingen to Puerto Rico

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 Puerto Rico

Discover the top 3 airlines that operate flights from Harlingen to Puerto Rico. 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 December 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$306Average$645FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$309Average$500FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$378Average$549FlexibilityNo cancel feeOn-time63%

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