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Cheap flights from Harlingen to Puerto Rico from $250

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 10/21. 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
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.
United Airlines Logo
5:15 am - 3:42 pm
HRL
-
SJU
9h 27m
1 stop
United Airlines Logo
2:20 pm - 9:44 pm
SJU
-
HRL
8h 24m
1 stop
$311United Airlines
Thu, Aug 20 - Tue, Aug 25
United Airlines Logo
5:15 am - 3:42 pm
HRL
-
SJU
9h 27m
1 stop
United Airlines Logo
2:20 pm - 9:44 pm
SJU
-
HRL
8h 24m
1 stop
$329United Airlines
Thu, Aug 20 - Tue, Aug 25
American Airlines Logo
8:03 pm - 2:38 pm
HRL
-
SJU
17h 35m
2 stops
American Airlines Logo
4:53 pm - 10:04 am
SJU
-
HRL
18h 11m
2 stops
$330American Airlines
Thu, Aug 20 - Tue, Aug 25
American Airlines Logo
8:03 pm - 2:54 pm
HRL
-
SJU
17h 51m
1 stop
American Airlines Logo
4:53 pm - 10:04 am
SJU
-
HRL
18h 11m
2 stops
$410American Airlines
Thu, Aug 20 - Tue, Aug 25
United Airlines Logo
5:15 am - 3:42 pm
HRL
-
SJU
9h 27m
1 stop
United Airlines Logo
2:20 pm - 9:44 pm
SJU
-
HRL
8h 24m
1 stop
$419United Airlines
Thu, Aug 20 - Tue, Aug 25
American Airlines Logo
10:47 am - 11:03 pm
HRL
-
SJU
11h 16m
1 stop
American Airlines Logo
6:45 am - 2:21 pm
SJU
-
HRL
8h 36m
1 stop
$556American Airlines
Mon, May 11 - Thu, May 14
Southwest Logo
2:10 pm - 12:15 am
HRL
-
SJU
9h 05m
2 stops
Southwest Logo
6:00 am - 4:15 pm
SJU
-
HRL
11h 15m
2 stops
$591Southwest
Tue, Jun 9 - Tue, Jun 16
American Airlines Logo
6:00 am - 9:24 pm
HRL
-
SJU
14h 24m
2 stops
American Airlines Logo
5:45 am - 10:51 pm
SJU
-
HRL
18h 06m
2 stops
$596American Airlines
Mon, May 11 - Mon, May 18
American Airlines Logo
8:04 pm - 3:47 pm
HRL
-
SJU
18h 43m
2 stops
American Airlines Logo
12:58 am - 4:21 pm
SJU
-
HRL
16h 23m
1 stop
$603American Airlines
Mon, Jul 20 - Thu, Jul 23
American Airlines Logo
5:00 pm - 11:04 am
HRL
-
SJU
17h 04m
2 stops
American Airlines Logo
12:58 am - 10:12 am
SJU
-
HRL
10h 14m
1 stop
$636American Airlines
Fri, Jul 10 - Mon, Jul 13

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United Airlines flights from Harlingen to Puerto Rico

Our best United Airlines deals on Harlingen to Puerto Rico flight tickets
United Airlines
Aug 20
HRL5:15 amHarlingen Valley Intl
9h 27m
1 stop
SJU3:42 pmSan Juan Luis Munoz Marin Intl
Aug 25
SJU2:20 pmSan Juan Luis Munoz Marin Intl
8h 24m
1 stop
HRL9:44 pmHarlingen Valley Intl
$311
United Airlines
Aug 20
HRL5:15 amHarlingen Valley Intl
9h 27m
1 stop
SJU3:42 pmSan Juan Luis Munoz Marin Intl
Aug 25
SJU2:20 pmSan Juan Luis Munoz Marin Intl
8h 24m
1 stop
HRL9:44 pmHarlingen Valley Intl
$329
United Airlines
Aug 20
HRL5:15 amHarlingen Valley Intl
9h 27m
1 stop
SJU3:42 pmSan Juan Luis Munoz Marin Intl
Aug 25
SJU2:20 pmSan Juan Luis Munoz Marin Intl
8h 24m
1 stop
HRL9:44 pmHarlingen Valley Intl
$419

American Airlines flights from Harlingen to Puerto Rico

Our best American Airlines deals on Harlingen to Puerto Rico flight tickets
American Airlines
Aug 20
HRL8:03 pmHarlingen Valley Intl
17h 35m
2 stops
SJU2:38 pmSan Juan Luis Munoz Marin Intl
Aug 25
SJU4:53 pmSan Juan Luis Munoz Marin Intl
18h 11m
2 stops
HRL10:04 amHarlingen Valley Intl
$330
American Airlines
Aug 20
HRL8:03 pmHarlingen Valley Intl
17h 51m
1 stop
SJU2:54 pmSan Juan Luis Munoz Marin Intl
Aug 25
SJU4:53 pmSan Juan Luis Munoz Marin Intl
18h 11m
2 stops
HRL10:04 amHarlingen Valley Intl
$410
American Airlines
May 11
HRL2:51 pmHarlingen Valley Intl
19h 02m
2 stops
SJU10:53 amSan Juan Luis Munoz Marin Intl
May 18
SJU5:45 amSan Juan Luis Munoz Marin Intl
18h 06m
2 stops
HRL10:51 pmHarlingen Valley Intl
$556

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 April 29, 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
Quickest round-trip

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Thu 8/20

5:15 am-3:42 pm

1 stop9h 27m

San Juan Luis Munoz Marin Intl

Tue 8/25

2:20 pm-9:44 pm

1 stop8h 24m

$311

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Thu 8/20

5:15 am-3:42 pm

1 stop9h 27m

San Juan Luis Munoz Marin Intl

Tue 8/25

2:20 pm-9:44 pm

1 stop8h 24m

$329

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Thu 8/20

8:03 pm-2:38 pm

2 stops17h 35m

San Juan Luis Munoz Marin Intl

Tue 8/25

4:53 pm-10:04 am

2 stops18h 11m

$330

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Thu 8/20

8:03 pm-2:54 pm

1 stop17h 51m

San Juan Luis Munoz Marin Intl

Tue 8/25

4:53 pm-10:04 am

2 stops18h 11m

$410

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Thu 8/20

5:15 am-3:42 pm

1 stop9h 27m

San Juan Luis Munoz Marin Intl

Tue 8/25

2:20 pm-9:44 pm

1 stop8h 24m

$419

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Mon 5/11

10:47 am-11:03 pm

1 stop11h 16m

San Juan Luis Munoz Marin Intl

Thu 5/14

6:45 am-2:21 pm

1 stop8h 36m

$556

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Tue 6/9

2:10 pm-12:15 am

2 stops9h 05m

San Juan Luis Munoz Marin Intl

Tue 6/16

6:00 am-4:15 pm

2 stops11h 15m

$591

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Mon 5/11

6:00 am-9:24 pm

2 stops14h 24m

San Juan Luis Munoz Marin Intl

Mon 5/18

5:45 am-10:51 pm

2 stops18h 06m

$596

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Mon 7/20

8:04 pm-3:47 pm

2 stops18h 43m

San Juan Luis Munoz Marin Intl

Thu 7/23

12:58 am-4:21 pm

1 stop16h 23m

$603

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Fri 7/10

5:00 pm-11:04 am

2 stops17h 04m

San Juan Luis Munoz Marin Intl

Mon 7/13

12:58 am-10:12 am

1 stop10h 14m

$636

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 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

9h 27m

Direct flights

None
The fastest flight from Harlingen to Puerto Rico takes 9h 27m
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 $260Free CancellationRating
7.4
9,680 reviews
Search United Airlines flights
American AirlinesPriceFrom $306Free CancellationRating
7.1
11,678 reviews
Search American Airlines flights
SouthwestPriceFrom $513Free CancellationRating
8.0
4,314 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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