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$179+ Cheap flights from Harlingen (HRL) to Puerto Rico

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 8/30. Fares are subject to change and may not be available on all flights or dates of travel.
HRL — SJU
Aug 25 — Sep 11
Tue 8/25
Tue 9/1
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 July 26, 2026.

This United Airlines deal was found by Cheapflights users on 7/22. 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 9/265:05 am
HRL
-
SJU
1 stop9h 37m
United Airlines
Mon 9/281:00 am
SJU
-
HRL
2 stops13h 23m
United Airlines
Deal found 7/22$336
This American Airlines deal was found by Cheapflights users on 7/21. 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 10/246:42 pm
HRL
-
SJU
2 stops19h 56m
American Airlines
Tue 10/272:18 pm
SJU
-
HRL
2 stops20h 50m
American Airlines
Deal found 7/21$350
This United Airlines deal was found by Cheapflights users on 7/22. 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 9/265:05 am
HRL
-
SJU
1 stop9h 37m
United Airlines
Wed 9/307:00 am
SJU
-
HRL
1 stop9h 59m
United Airlines
Deal found 7/22$360
This United Airlines deal was found by Cheapflights users on 7/20. 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 10/245:05 am
HRL
-
SJU
1 stop9h 37m
United Airlines
Tue 10/276:40 am
SJU
-
HRL
1 stop10h 20m
United Airlines
Deal found 7/20$378
This United Airlines deal was found by Cheapflights users on 7/21. 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.
Wed 10/217:15 am
HRL
-
SJU
1 stop7h 27m
United Airlines
Mon 10/266:40 am
SJU
-
HRL
1 stop10h 20m
United Airlines
Deal found 7/21$381
This United Airlines deal was found by Cheapflights users on 7/23. 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 9/297:15 am
HRL
-
SJU
1 stop7h 27m
United Airlines
Thu 10/11:00 am
SJU
-
HRL
2 stops15h 59m
United Airlines
Deal found 7/23$443
This Southwest deal was found by Cheapflights users on 7/23. 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.
Sat 11/76:40 am
HRL
-
SJU
2 stops10h 35m
Southwest
Mon 11/165:45 am
SJU
-
HRL
2 stops12h 00m
Southwest
Deal found 7/23$469

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 July 26, 2026.

Round-trip from

$336
(United Airlines)

One-way from

$179
(American Airlines)

Popular in

December

Cheapest in

September

Average price

$631
From Harlingen Valley Intl to Puerto Rico
Search Deals
One-way flight from Harlingen Valley Intl to Puerto Rico
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($71 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($41 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
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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 July 26, 2026.
Use the filters below to find and compare flights from Harlingen to Puerto Rico that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Fri 10/16

6:42 pm-1:19 pm

2 stops17h 37m

San Juan Luis Munoz Marin Intl

Tue 10/20

2:18 pm-10:08 am

2 stops20h 50m

$350

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Sat 9/26

5:05 am-3:42 pm

1 stop9h 37m

San Juan Luis Munoz Marin Intl

Tue 9/29

7:00 am-3:59 pm

1 stop9h 59m

$368

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Sat 10/24

5:05 am-3:42 pm

1 stop9h 37m

San Juan Luis Munoz Marin Intl

Tue 10/27

6:40 am-4:00 pm

1 stop10h 20m

$378
Quickest round-trip

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Wed 10/21

7:15 am-3:42 pm

1 stop7h 27m

San Juan Luis Munoz Marin Intl

Mon 10/26

6:40 am-4:00 pm

1 stop10h 20m

$381

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Tue 9/29

7:15 am-3:42 pm

1 stop7h 27m

San Juan Luis Munoz Marin Intl

Thu 10/1

1:00 am-3:59 pm

2 stops15h 59m

$443
Cheapest one-way

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Sun 8/30

5:54 am-2:54 pm

1 stop8h 00m

$179
Quickest one-way

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Sat 8/22

7:15 am-3:42 pm

1 stop7h 27m

$510

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/21

Sorted by cheapest first

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 to Puerto Rico?

Currently, September is the cheapest month in which you can book a flight from Harlingen to Puerto Rico (average of $268). Flying from Harlingen to Puerto Rico in December is currently the most expensive (average of $1,051). 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.

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 July 26, 2026.
Get a feel of what it's like to fly with Southwest,United Airlines, andAmerican 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
4,233 reviews

Overall

8.0

Comfort

8.0

Entertainment

7.5

Crew

8.6

Food

7.0

Boarding

8.1

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.
Southwest
8.0
Very good
4,233 reviews
Southwest
8.0
Very good
4,233 reviews

Overall

8.0

Comfort

8.0

Entertainment

7.5

Crew

8.6

Food

7.0

Boarding

8.1

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.
United Airlines
7.4
Good
10,034 reviews
Southwest
8.0
Very good
4,233 reviews

Overall

8.0

Comfort

8.0

Entertainment

7.5

Crew

8.6

Food

7.0

Boarding

8.1

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.
American Airlines
7.1
Good
11,847 reviews
Southwest
8.0
Very good
4,233 reviews

Overall

8.0

Comfort

8.0

Entertainment

7.5

Crew

8.6

Food

7.0

Boarding

8.1

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.

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 to Puerto Rico?

    American Airlines and United Airlines can get you from Harlingen to Puerto Rico in just under 9h 37m. Your travel time can differ by up to 8h. Harlingen and Puerto Rico are separated by 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 to Puerto Rico?

    Currently, September is the cheapest month in which you can book a flight from Harlingen to Puerto Rico (average of $268). Flying from Harlingen to Puerto Rico in December is currently the most expensive (average of $1,051). 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

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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 July 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$239Average$309FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$306Average$648FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$429Average$631FlexibilityNo cancel feeOn-time63%

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