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Cheap flights from Harlingen, Texas to Puerto Rico from $278

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Harlingen, Texas to Puerto Rico departing on 4/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Harlingen, Texas to Puerto Rico

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
12:05 pm - 8:38 pm
HRL
-
SJU
7h 33m
1 stop
United Airlines Logo
1:00 am - 4:04 pm
SJU
-
HRL
16h 04m
2 stops
$278United Airlines
Sat, Apr 25 - Tue, Apr 28
United Airlines Logo
9:20 am - 11:50 pm
HRL
-
SJU
13h 30m
2 stops
United Airlines Logo
1:00 am - 4:04 pm
SJU
-
HRL
16h 04m
2 stops
$290United Airlines
Sat, Apr 25 - Tue, Apr 28
United Airlines Logo
12:05 pm - 8:38 pm
HRL
-
SJU
7h 33m
1 stop
United Airlines Logo
7:00 am - 4:04 pm
SJU
-
HRL
10h 04m
1 stop
$298United Airlines
Sat, Apr 25 - Wed, Apr 29
American Airlines Logo
5:25 am - 11:40 pm
HRL
-
SJU
17h 15m
2 stops
American Airlines Logo
4:49 pm - 9:32 am
SJU
-
HRL
17h 43m
2 stops
$390American Airlines
Thu, Aug 20 - Sun, Aug 23
United Airlines Logo
7:00 am - 11:50 pm
HRL
-
SJU
15h 50m
2 stops
United Airlines Logo
2:55 pm - 9:59 pm
SJU
-
HRL
8h 04m
1 stop
$411United Airlines
Sat, Apr 18 - Wed, Apr 22
American Airlines Logo
8:03 pm - 2:42 pm
HRL
-
SJU
17h 39m
1 stop
American Airlines Logo
11:59 pm - 10:17 am
SJU
-
HRL
11h 18m
1 stop
$464American Airlines
Sat, Apr 18 - Wed, Apr 22
American Airlines Logo
2:47 pm - 10:53 am
HRL
-
SJU
19h 06m
2 stops
American Airlines Logo
7:00 pm - 10:17 am
SJU
-
HRL
16h 17m
2 stops
$469American Airlines
Wed, Apr 8 - Wed, Apr 15
United Airlines Logo
9:20 am - 11:50 pm
HRL
-
SJU
13h 30m
2 stops
United Airlines Logo
7:00 am - 4:04 pm
SJU
-
HRL
10h 04m
1 stop
$470United Airlines
Tue, Apr 28 - Thu, Apr 30
United Airlines Logo
9:20 am - 11:50 pm
HRL
-
SJU
13h 30m
2 stops
United Airlines Logo
4:55 pm - 11:23 am
SJU
-
HRL
19h 28m
2 stops
$492United Airlines
Tue, Apr 28 - Thu, Apr 30
American Airlines Logo
2:51 pm - 11:03 pm
HRL
-
SJU
7h 12m
1 stop
American Airlines Logo
6:45 am - 7:22 pm
SJU
-
HRL
13h 37m
1 stop
$506American Airlines
Thu, May 7 - Mon, May 11

United Airlines flights from Harlingen, Texas to Puerto Rico

Our best United Airlines deals on Harlingen, Texas to Puerto Rico flight tickets
United Airlines
Apr 25
HRL12:05 pmHarlingen Valley Intl
7h 33m
1 stop
SJU8:38 pmSan Juan Luis Munoz Marin Intl
Apr 28
SJU1:00 amSan Juan Luis Munoz Marin Intl
16h 04m
2 stops
HRL4:04 pmHarlingen Valley Intl
$278
United Airlines
Apr 25
HRL9:20 amHarlingen Valley Intl
13h 30m
2 stops
SJU11:50 pmSan Juan Luis Munoz Marin Intl
Apr 28
SJU1:00 amSan Juan Luis Munoz Marin Intl
16h 04m
2 stops
HRL4:04 pmHarlingen Valley Intl
$290
United Airlines
Apr 25
HRL12:05 pmHarlingen Valley Intl
7h 33m
1 stop
SJU8:38 pmSan Juan Luis Munoz Marin Intl
Apr 29
SJU7:00 amSan Juan Luis Munoz Marin Intl
10h 04m
1 stop
HRL4:04 pmHarlingen Valley Intl
$298

American Airlines flights from Harlingen, Texas to Puerto Rico

Our best American Airlines deals on Harlingen, Texas to Puerto Rico flight tickets
American Airlines
Aug 20
HRL5:25 amHarlingen Valley Intl
17h 15m
2 stops
SJU11:40 pmSan Juan Luis Munoz Marin Intl
Aug 23
SJU4:49 pmSan Juan Luis Munoz Marin Intl
17h 43m
2 stops
HRL9:32 amHarlingen Valley Intl
$390
American Airlines
Apr 18
HRL8:03 pmHarlingen Valley Intl
17h 39m
1 stop
SJU2:42 pmSan Juan Luis Munoz Marin Intl
Apr 22
SJU11:59 pmSan Juan Luis Munoz Marin Intl
11h 18m
1 stop
HRL10:17 amHarlingen Valley Intl
$464
American Airlines
Apr 8
HRL2:47 pmHarlingen Valley Intl
19h 06m
2 stops
SJU10:53 amSan Juan Luis Munoz Marin Intl
Apr 15
SJU7:00 pmSan Juan Luis Munoz Marin Intl
16h 17m
2 stops
HRL10:17 amHarlingen Valley Intl
$469

momondo Fare Finder

 
Customize your flight search to find flights from Harlingen, Texas 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, momondo users made 832,500 searches. Data last updated March 17, 2026.
Use the filters below to find and compare flights from Harlingen, Texas 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

Sat 4/25

12:05 pm-8:38 pm

1 stop7h 33m

San Juan Luis Munoz Marin Intl

Tue 4/28

1:00 am-4:04 pm

2 stops16h 04m

$278

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Sat 4/25

9:20 am-11:50 pm

2 stops13h 30m

San Juan Luis Munoz Marin Intl

Tue 4/28

1:00 am-4:04 pm

2 stops16h 04m

$290
Quickest round-trip

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Sat 4/25

12:05 pm-8:38 pm

1 stop7h 33m

San Juan Luis Munoz Marin Intl

Wed 4/29

7:00 am-4:04 pm

1 stop10h 04m

$298

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Thu 8/20

5:25 am-11:40 pm

2 stops17h 15m

San Juan Luis Munoz Marin Intl

Sun 8/23

4:49 pm-9:32 am

2 stops17h 43m

$390

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Sat 4/18

7:00 am-11:50 pm

2 stops15h 50m

San Juan Luis Munoz Marin Intl

Wed 4/22

2:55 pm-9:59 pm

1 stop8h 04m

$411

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Sat 4/18

8:03 pm-2:42 pm

1 stop17h 39m

San Juan Luis Munoz Marin Intl

Wed 4/22

11:59 pm-10:17 am

1 stop11h 18m

$464

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Wed 4/8

2:47 pm-10:53 am

2 stops19h 06m

San Juan Luis Munoz Marin Intl

Wed 4/15

7:00 pm-10:17 am

2 stops16h 17m

$469

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Tue 4/28

9:20 am-11:50 pm

2 stops13h 30m

San Juan Luis Munoz Marin Intl

Thu 4/30

7:00 am-4:04 pm

1 stop10h 04m

$470

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Tue 4/28

9:20 am-11:50 pm

2 stops13h 30m

San Juan Luis Munoz Marin Intl

Thu 4/30

4:55 pm-11:23 am

2 stops19h 28m

$492

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Thu 5/7

2:51 pm-11:03 pm

1 stop7h 12m

San Juan Luis Munoz Marin Intl

Mon 5/11

6:45 am-7:22 pm

1 stop13h 37m

$506

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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See travel insights to Puerto Rico from

How to get the cheapest flight ticket from Harlingen, Texas to Puerto Rico

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Puerto Rico?

If you don’t want to visit Puerto Rico in February, then you should wait until May to fly from Harlingen, Texas, when ticket prices are also cheap, with an average price of $377.

Cheap Harlingen, Texas to Puerto Rico flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Harlingen, Texas to Puerto Rico

Fastest flight time

7h 33m

Direct flights

None
The fastest flight from Harlingen, Texas to Puerto Rico takes 7h 33m
There are no direct flights from Harlingen, Texas to Puerto Rico. There are no popular flight routes from Harlingen, Texas to Puerto Rico.
Search flight deals

  • When did momondo last update prices for flights from Harlingen Valley Intl Airport to Puerto Rico?

    Prices for flights from Harlingen Valley Intl Airport to Puerto Rico are refreshed on a daily basis.

  • How many operators does momondo search for flights from Harlingen Valley Intl Airport to Puerto Rico?

  • How old do you have to be to fly from Harlingen Valley Intl Airport to Puerto Rico?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Harlingen Valley Intl Airport to Puerto Rico.

  • What documentation or ID do you need to fly to Puerto Rico?

    The required travel and health documents for your Puerto Rico trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Puerto Rico. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Harlingen, Texas to Puerto Rico

Compare and see reviews for airlines that fly from Harlingen, Texas to Puerto Rico with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $260Free CancellationRating
7.4
9,431 reviews
Search United Airlines flights
American AirlinesPriceFrom $306Free CancellationRating
7.1
11,468 reviews
Search American Airlines flights
SouthwestPriceFrom $378Free CancellationRating
8.0
4,319 reviews
Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Harlingen to Puerto Rico?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Puerto Rico from Harlingen.

Can I find flights from Harlingen to Puerto Rico with flexible booking policies on momondo?

All flight searches from Harlingen to Puerto Rico on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Harlingen to Puerto Rico?

Once all potential Harlingen to Puerto Rico flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Harlingen to Puerto Rico right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Harlingen to Puerto Rico flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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