Puerto Rico

$158+ Cheap flights from Harlingen, TX (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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
HRL — SJU
Apr 9 — Apr 161
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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 March 10, 2026.

This American Airlines deal was found by Cheapflights users on 3/6. 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 8/205:25 am
HRL
-
SJU
2 stops17h 15m
American Airlines
Mon 8/244:49 pm
SJU
-
HRL
2 stops17h 43m
American Airlines
Deal found 3/6$290
This United Airlines deal was found by Cheapflights users on 3/10. 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 4/1312:05 pm
HRL
-
SJU
1 stop7h 33m
United Airlines
Tue 4/211:00 am
SJU
-
HRL
2 stops16h 04m
United Airlines
Deal found 3/10$343
This United Airlines deal was found by Cheapflights users on 3/10. 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 10/235:15 am
HRL
-
SJU
1 stop9h 27m
United Airlines
Tue 10/272:46 pm
SJU
-
HRL
1 stop7h 58m
United Airlines
Deal found 3/10$347
This United Airlines deal was found by Cheapflights users on 3/8. 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 10/25:15 am
HRL
-
SJU
1 stop9h 27m
United Airlines
Mon 10/51:05 am
SJU
-
HRL
2 stops13h 09m
United Airlines
Deal found 3/8$351
This American Airlines deal was found by Cheapflights users on 3/9. 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 5/258:04 pm
HRL
-
SJU
1 stop7h 21m
American Airlines
Tue 6/27:15 pm
SJU
-
HRL
2 stops15h 58m
American Airlines
Deal found 3/9$390
This Southwest deal was found by Cheapflights users on 3/10. 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.
Mon 4/1310:40 am
HRL
-
SJU
2 stops11h 45m
Southwest
Wed 4/222:00 pm
SJU
-
HRL
2 stops9h 00m
Southwest
Deal found 3/10$400
This American Airlines deal was found by Cheapflights users on 3/9. 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 5/112:51 pm
HRL
-
SJU
2 stops19h 02m
American Airlines
Sat 5/165:45 am
SJU
-
HRL
2 stops18h 06m
American Airlines
Deal found 3/9$409
This Southwest deal was found by Cheapflights users on 3/7. 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.
Mon 7/61:00 pm
HRL
-
SJU
1 stop10h 25m
Southwest
Fri 7/106:00 am
SJU
-
HRL
1 stop13h 00m
Southwest
Deal found 3/7$438
This United Airlines deal was found by Cheapflights users on 3/6. 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 5/512:10 pm
HRL
-
SJU
1 stop7h 28m
United Airlines
Tue 5/51:00 am
SJU
-
HRL
2 stops16h 04m
United Airlines
Deal found 3/6$455
This Southwest deal was found by Cheapflights users on 3/8. 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.
Mon 8/106:20 am
HRL
-
SJU
2 stops9h 35m
Southwest
Sun 8/236:00 am
SJU
-
HRL
2 stops9h 35m
Southwest
Deal found 3/8$458

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 March 10, 2026.

Round-trip from

$290
(American Airlines)

One-way from

$282
(United Airlines)

Popular in

October

Cheapest in

February

Average price

$696
From Harlingen Valley Intl to Puerto Rico
One-way flight from Harlingen Valley Intl to Puerto Rico
Highest demand for flights based on searches. 19% potential increase in price ($150 potential increase over avg. RT price).
Cheapest flight prices on average. 6% potential price decrease ($37 potential savings vs. average RT price).
Average for round-trip flights in March 2026

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 March 10, 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

Mon 7/6

7:10 am-5:40 pm

2 stops9h 30m

San Juan Luis Munoz Marin Intl

Fri 7/10

6:00 am-6:00 pm

1 stop13h 00m

$438
Quickest round-trip

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Tue 4/28

9:20 am-9:24 pm

2 stops11h 04m

San Juan Luis Munoz Marin Intl

Thu 4/30

2:55 pm-9:59 pm

1 stop8h 04m

$461

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Wed 4/8

2:47 pm-9:13 am

2 stops17h 26m

San Juan Luis Munoz Marin Intl

Wed 4/15

11:59 pm-10:17 am

1 stop11h 18m

$473

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Tue 5/5

12:10 pm-8:38 pm

1 stop7h 28m

San Juan Luis Munoz Marin Intl

Wed 5/6

1:25 pm-11:23 am

2 stops22h 58m

$479
Cheapest one-way

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Wed 9/2

5:25 am-11:40 pm

2 stops17h 15m

$158

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Wed 9/2

5:15 am-3:42 pm

1 stop9h 27m

$230
Quickest one-way

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Sat 4/4

7:00 am-3:42 pm

1 stop7h 42m

$282

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Sat 4/4

6:10 am-5:35 pm

2 stops10h 25m

$295

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Mon 4/6

8:06 pm-2:42 pm

1 stop17h 36m

$318

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Sat 4/4

8:06 pm-2:50 pm

2 stops17h 44m

$324

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/5

Showing 1-10 of 11 resultsSorted by cheapest first
1
2

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, February is the cheapest month in which you can book a flight from Harlingen, Texas to Puerto Rico (average of $240). Flying from Harlingen, Texas to Puerto Rico 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.

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 March 10, 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.

Comfort

8.0

Boarding

8.1

Food

7.0

Overall

8.0

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

Comfort

8.0

Boarding

8.1

Food

7.0

Overall

8.0

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

Comfort

8.0

Boarding

8.1

Food

7.0

Overall

8.0

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

Comfort

8.0

Boarding

8.1

Food

7.0

Overall

8.0

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

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 American Airlines, Southwest, and United Airlines fly from Harlingen, Texas to Puerto Rico in about 7h 28m. The time it takes to get you to your destination can typically vary by up to 9h 47m. 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, February is the cheapest month in which you can book a flight from Harlingen, Texas to Puerto Rico (average of $240). Flying from Harlingen, Texas to Puerto Rico 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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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 March 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$260Average$445FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$306Average$645FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$378Average$549FlexibilityNo cancel feeOn-time63%

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