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Cheap flights from Harlingen to Puerto Rico from $134

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Harlingen to Puerto Rico departing on 8/11. 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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Harlingen to Puerto Rico

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
6:43 pm - 2:38 pm
HRL
-
SJU
18h 55m
2 stops
American Airlines Logo
6:00 am - 10:54 pm
SJU
-
HRL
17h 54m
2 stops
$228American Airlines
Fri, Aug 14 - Sat, Aug 22
United Airlines Logo
5:05 am - 3:42 pm
HRL
-
SJU
9h 37m
1 stop
United Airlines Logo
7:00 am - 1:24 pm
SJU
-
HRL
7h 24m
1 stop
$268United Airlines
Thu, Sep 10 - Tue, Sep 15
United Airlines Logo
5:05 am - 3:42 pm
HRL
-
SJU
9h 37m
1 stop
United Airlines Logo
1:00 am - 1:24 pm
SJU
-
HRL
13h 24m
2 stops
$284United Airlines
Thu, Sep 10 - Mon, Sep 14
United Airlines Logo
7:15 am - 3:42 pm
HRL
-
SJU
7h 27m
1 stop
United Airlines Logo
2:20 pm - 9:52 pm
SJU
-
HRL
8h 32m
1 stop
$287United Airlines
Sat, Aug 29 - Sun, Sep 6
United Airlines Logo
7:15 am - 3:42 pm
HRL
-
SJU
7h 27m
1 stop
United Airlines Logo
7:00 am - 3:59 pm
SJU
-
HRL
9h 59m
1 stop
$323United Airlines
Sat, Sep 12 - Thu, Sep 17
United Airlines Logo
7:15 am - 3:42 pm
HRL
-
SJU
7h 27m
1 stop
United Airlines Logo
1:00 am - 1:24 pm
SJU
-
HRL
13h 24m
2 stops
$324United Airlines
Sat, Aug 29 - Sat, Sep 5
American Airlines Logo
3:17 pm - 9:43 am
HRL
-
SJU
17h 26m
2 stops
American Airlines Logo
6:00 am - 10:54 pm
SJU
-
HRL
17h 54m
2 stops
$330American Airlines
Fri, Aug 14 - Sat, Aug 22
American Airlines Logo
5:54 am - 9:55 pm
HRL
-
SJU
15h 01m
2 stops
American Airlines Logo
6:00 am - 10:54 pm
SJU
-
HRL
17h 54m
2 stops
$331American Airlines
Tue, Sep 1 - Tue, Sep 8
American Airlines Logo
5:54 am - 9:55 pm
HRL
-
SJU
15h 01m
2 stops
American Airlines Logo
5:10 pm - 10:04 am
SJU
-
HRL
17h 54m
2 stops
$336American Airlines
Wed, Aug 26 - Mon, Aug 31
American Airlines Logo
5:28 pm - 1:54 pm
HRL
-
SJU
19h 26m
2 stops
American Airlines Logo
2:58 pm - 9:58 am
SJU
-
HRL
20h 00m
2 stops
$341American Airlines
Sat, Sep 19 - Wed, Sep 30

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American Airlines flights from Harlingen to Puerto Rico

Our best American Airlines deals on Harlingen to Puerto Rico flight tickets
American Airlines
Aug 14
HRL6:43 pmHarlingen Valley Intl
18h 55m
2 stops
SJU2:38 pmSan Juan Luis Munoz Marin Intl
Aug 22
SJU6:00 amSan Juan Luis Munoz Marin Intl
17h 54m
2 stops
HRL10:54 pmHarlingen Valley Intl
$228
American Airlines
Aug 14
HRL3:17 pmHarlingen Valley Intl
17h 26m
2 stops
SJU9:43 amSan Juan Luis Munoz Marin Intl
Aug 22
SJU6:00 amSan Juan Luis Munoz Marin Intl
17h 54m
2 stops
HRL10:54 pmHarlingen Valley Intl
$330
American Airlines
Sep 1
HRL5:54 amHarlingen Valley Intl
15h 01m
2 stops
SJU9:55 pmSan Juan Luis Munoz Marin Intl
Sep 8
SJU6:00 amSan Juan Luis Munoz Marin Intl
17h 54m
2 stops
HRL10:54 pmHarlingen Valley Intl
$331

United Airlines flights from Harlingen to Puerto Rico

Our best United Airlines deals on Harlingen to Puerto Rico flight tickets
United Airlines
Sep 10
HRL5:05 amHarlingen Valley Intl
9h 37m
1 stop
SJU3:42 pmSan Juan Luis Munoz Marin Intl
Sep 15
SJU7:00 amSan Juan Luis Munoz Marin Intl
7h 24m
1 stop
HRL1:24 pmHarlingen Valley Intl
$268
United Airlines
Sep 10
HRL5:05 amHarlingen Valley Intl
9h 37m
1 stop
SJU3:42 pmSan Juan Luis Munoz Marin Intl
Sep 14
SJU1:00 amSan Juan Luis Munoz Marin Intl
13h 24m
2 stops
HRL1:24 pmHarlingen Valley Intl
$284
United Airlines
Aug 29
HRL7:15 amHarlingen Valley Intl
7h 27m
1 stop
SJU3:42 pmSan Juan Luis Munoz Marin Intl
Sep 6
SJU2:20 pmSan Juan Luis Munoz Marin Intl
8h 32m
1 stop
HRL9:52 pmHarlingen Valley Intl
$287

momondo 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, momondo users made 832,500 searches. Data last updated June 20, 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 8/14

6:43 pm-2:38 pm

2 stops18h 55m

San Juan Luis Munoz Marin Intl

Sat 8/22

6:00 am-10:54 pm

2 stops17h 54m

$228

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Thu 9/10

5:05 am-3:42 pm

1 stop9h 37m

San Juan Luis Munoz Marin Intl

Tue 9/15

7:00 am-1:24 pm

1 stop7h 24m

$268

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Thu 9/10

5:05 am-3:42 pm

1 stop9h 37m

San Juan Luis Munoz Marin Intl

Mon 9/14

1:00 am-1:24 pm

2 stops13h 24m

$284
Quickest round-trip

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Sat 8/29

7:15 am-3:42 pm

1 stop7h 27m

San Juan Luis Munoz Marin Intl

Sun 9/6

2:20 pm-9:52 pm

1 stop8h 32m

$287

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Sat 9/12

7:15 am-3:42 pm

1 stop7h 27m

San Juan Luis Munoz Marin Intl

Thu 9/17

7:00 am-3:59 pm

1 stop9h 59m

$323

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Sat 8/29

7:15 am-3:42 pm

1 stop7h 27m

San Juan Luis Munoz Marin Intl

Sat 9/5

1:00 am-1:24 pm

2 stops13h 24m

$324

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Fri 8/14

3:17 pm-9:43 am

2 stops17h 26m

San Juan Luis Munoz Marin Intl

Sat 8/22

6:00 am-10:54 pm

2 stops17h 54m

$330

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Tue 9/1

5:54 am-9:55 pm

2 stops15h 01m

San Juan Luis Munoz Marin Intl

Tue 9/8

6:00 am-10:54 pm

2 stops17h 54m

$331

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Wed 8/26

5:54 am-9:55 pm

2 stops15h 01m

San Juan Luis Munoz Marin Intl

Mon 8/31

5:10 pm-10:04 am

2 stops17h 54m

$336

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Sat 9/19

5:28 pm-1:54 pm

2 stops19h 26m

San Juan Luis Munoz Marin Intl

Wed 9/30

2:58 pm-9:58 am

2 stops20h 00m

$341

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Puerto Rico from

How to get the cheapest flight ticket from Harlingen 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 January, then you should wait until February to fly from Harlingen, when ticket prices are also cheap, with an average price of $260.

Cheap Harlingen to Puerto Rico flight deals and tips

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

Fastest flight time

6h 45m

Direct flights

None
The fastest flight from Harlingen to Puerto Rico takes 6h 45m
There are no direct flights from Harlingen to Puerto Rico. There are no popular flight routes from Harlingen to Puerto Rico.
Search flight deals

Frequently asked questions about flying from Harlingen to Puerto Rico

  • 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 to Puerto Rico

Compare and see reviews for airlines that fly from Harlingen to Puerto Rico with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $239Free CancellationRating
7.4
9,865 reviews
Search United Airlines flights
American AirlinesPriceFrom $306Free CancellationRating
7.1
11,716 reviews
Search American Airlines flights
SouthwestPriceFrom $525Free CancellationRating
7.9
4,241 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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