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Cheap flights from Harlingen, Texas to San Juan from $260

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 San Juan departing on 5/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Harlingen, Texas to San Juan

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
12:10 pm - 8:38 pm
HRL
-
SJU
7h 28m
1 stop
United Airlines Logo
7:20 am - 8:00 pm
SJU
-
HRL
13h 40m
2 stops
$260United Airlines
Sat, May 9 - Tue, May 12
United Airlines Logo
7:15 am - 3:42 pm
HRL
-
SJU
7h 27m
1 stop
United Airlines Logo
1:00 am - 1:14 pm
SJU
-
HRL
13h 14m
2 stops
$344United Airlines
Tue, Jun 9 - Fri, Jun 12
United Airlines Logo
7:00 am - 3:42 pm
HRL
-
SJU
7h 42m
1 stop
United Airlines Logo
2:55 pm - 9:59 pm
SJU
-
HRL
8h 04m
1 stop
$350United Airlines
Tue, May 5 - Thu, May 7
American Airlines Logo
2:47 pm - 4:32 am
HRL
-
SJU
12h 45m
1 stop
American Airlines Logo
3:44 pm - 10:17 am
SJU
-
HRL
19h 33m
2 stops
$363American Airlines
Sun, May 3 - Wed, May 6
American Airlines Logo
2:47 pm - 4:32 am
HRL
-
SJU
12h 45m
1 stop
American Airlines Logo
3:44 pm - 10:17 am
SJU
-
HRL
19h 33m
2 stops
$403American Airlines
Fri, May 1 - Tue, May 5
Southwest Logo
2:35 pm - 11:45 pm
HRL
-
SJU
8h 10m
2 stops
Southwest Logo
5:35 am - 4:00 pm
SJU
-
HRL
11h 25m
2 stops
$413Southwest
Sun, May 3 - Wed, May 6
United Airlines Logo
7:00 am - 11:50 pm
HRL
-
SJU
15h 50m
2 stops
United Airlines Logo
7:20 am - 8:00 pm
SJU
-
HRL
13h 40m
2 stops
$415United Airlines
Sat, May 9 - Tue, May 12
United Airlines Logo
9:20 am - 11:50 pm
HRL
-
SJU
13h 30m
2 stops
United Airlines Logo
2:55 pm - 9:59 pm
SJU
-
HRL
8h 04m
1 stop
$428United Airlines
Tue, May 5 - Thu, May 7
United Airlines Logo
7:00 am - 3:42 pm
HRL
-
SJU
7h 42m
1 stop
United Airlines Logo
2:55 pm - 9:59 pm
SJU
-
HRL
8h 04m
1 stop
$433United Airlines
Fri, May 1 - Tue, May 5
American Airlines Logo
8:05 pm - 3:32 pm
HRL
-
SJU
18h 27m
2 stops
American Airlines Logo
7:09 pm - 10:15 am
SJU
-
HRL
16h 06m
2 stops
$448American Airlines
Tue, Jul 28 - Mon, Aug 3

American Airlines flights from Harlingen, Texas to San Juan Luis Munoz Marin Intl Airport

Our best American Airlines deals on Harlingen, Texas to San Juan Luis Munoz Marin Intl Airport flight tickets
American Airlines
May 3
HRL2:47 pmHarlingen Valley Intl
12h 45m
1 stop
SJU4:32 amSan Juan Luis Munoz Marin Intl
May 6
SJU3:44 pmSan Juan Luis Munoz Marin Intl
19h 33m
2 stops
HRL10:17 amHarlingen Valley Intl
$363
American Airlines
May 1
HRL2:47 pmHarlingen Valley Intl
12h 45m
1 stop
SJU4:32 amSan Juan Luis Munoz Marin Intl
May 5
SJU3:44 pmSan Juan Luis Munoz Marin Intl
19h 33m
2 stops
HRL10:17 amHarlingen Valley Intl
$403
American Airlines
Jul 28
HRL8:05 pmHarlingen Valley Intl
18h 27m
2 stops
SJU3:32 pmSan Juan Luis Munoz Marin Intl
Aug 3
SJU7:09 pmSan Juan Luis Munoz Marin Intl
16h 06m
2 stops
HRL10:15 amHarlingen Valley Intl
$448

United Airlines flights from Harlingen, Texas to San Juan Luis Munoz Marin Intl Airport

Our best United Airlines deals on Harlingen, Texas to San Juan Luis Munoz Marin Intl Airport flight tickets
United Airlines
May 9
HRL12:10 pmHarlingen Valley Intl
7h 28m
1 stop
SJU8:38 pmSan Juan Luis Munoz Marin Intl
May 12
SJU7:20 amSan Juan Luis Munoz Marin Intl
13h 40m
2 stops
HRL8:00 pmHarlingen Valley Intl
$260
United Airlines
Jun 9
HRL7:15 amHarlingen Valley Intl
7h 27m
1 stop
SJU3:42 pmSan Juan Luis Munoz Marin Intl
Jun 12
SJU1:00 amSan Juan Luis Munoz Marin Intl
13h 14m
2 stops
HRL1:14 pmHarlingen Valley Intl
$344
United Airlines
May 5
HRL7:00 amHarlingen Valley Intl
7h 42m
1 stop
SJU3:42 pmSan Juan Luis Munoz Marin Intl
May 7
SJU2:55 pmSan Juan Luis Munoz Marin Intl
8h 04m
1 stop
HRL9:59 pmHarlingen Valley Intl
$350

momondo Fare Finder

 
Customize your flight search to find flights from Harlingen, Texas to San Juan Luis Munoz Marin Intl Airport 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 January 29, 2026.
Use the filters below to find and compare flights from Harlingen, Texas to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Sat 5/9

12:10 pm-8:38 pm

1 stop7h 28m

San Juan Luis Munoz Marin Intl

Tue 5/12

7:20 am-8:00 pm

2 stops13h 40m

$260

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Tue 6/9

7:15 am-3:42 pm

1 stop7h 27m

San Juan Luis Munoz Marin Intl

Fri 6/12

1:00 am-1:14 pm

2 stops13h 14m

$344

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Tue 5/5

7:00 am-3:42 pm

1 stop7h 42m

San Juan Luis Munoz Marin Intl

Thu 5/7

2:55 pm-9:59 pm

1 stop8h 04m

$350

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Sun 5/3

2:47 pm-4:32 am

1 stop12h 45m

San Juan Luis Munoz Marin Intl

Wed 5/6

3:44 pm-10:17 am

2 stops19h 33m

$363

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Fri 5/1

2:47 pm-4:32 am

1 stop12h 45m

San Juan Luis Munoz Marin Intl

Tue 5/5

3:44 pm-10:17 am

2 stops19h 33m

$403

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Sun 5/3

2:35 pm-11:45 pm

2 stops8h 10m

San Juan Luis Munoz Marin Intl

Wed 5/6

5:35 am-4:00 pm

2 stops11h 25m

$413

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Sat 5/9

7:00 am-11:50 pm

2 stops15h 50m

San Juan Luis Munoz Marin Intl

Tue 5/12

7:20 am-8:00 pm

2 stops13h 40m

$415

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Tue 5/5

9:20 am-11:50 pm

2 stops13h 30m

San Juan Luis Munoz Marin Intl

Thu 5/7

2:55 pm-9:59 pm

1 stop8h 04m

$428

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Fri 5/1

7:00 am-3:42 pm

1 stop7h 42m

San Juan Luis Munoz Marin Intl

Tue 5/5

2:55 pm-9:59 pm

1 stop8h 04m

$433

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Tue 7/28

8:05 pm-3:32 pm

2 stops18h 27m

San Juan Luis Munoz Marin Intl

Mon 8/3

7:09 pm-10:15 am

2 stops16h 06m

$448

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
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See travel insights to San Juan from

How to get the cheapest flight ticket from Harlingen, Texas to San Juan Luis Munoz Marin Intl Airport

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 airline that flies from Harlingen Valley Intl to San Juan Luis Munoz Marin Intl?

American Airlines, United Airlines, and Southwest are the most popular carriers operating from Harlingen Valley Intl to San Juan Luis Munoz Marin Intl

What airlines fly to San Juan Luis Munoz Marin Intl Airport?

United Airlines, American Airlines and Southwest are the top three most popular airlines that fly to San Juan Luis Munoz Marin Intl Airport from Harlingen, Texas according to our data. United Airlines is the first choice among our users, with 49% of people opting to fly with this airline when traveling to San Juan Luis Munoz Marin Intl Airport. Keep in mind that there are 3 different airlines that fly to San Juan Luis Munoz Marin Intl Airport on a routine basis, so you have a few additional options to choose from.

When to book flights from Harlingen, Texas to San Juan Luis Munoz Marin Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Harlingen, Texas to San Juan Luis Munoz Marin Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Harlingen, Texas to San Juan Luis Munoz Marin Intl Airport (HRL to SJU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Harlingen, Texas to San Juan Luis Munoz Marin Intl Airport

Fastest flight time

7h 16m

Direct flights

None
The fastest flight from Harlingen, Texas to San Juan Luis Munoz Marin Intl Airport takes 7h 16m
There are no direct flights from Harlingen, Texas to San Juan Luis Munoz Marin Intl Airport. There are no popular flight routes from Harlingen, Texas to San Juan Luis Munoz Marin Intl Airport.
Search flight deals

  • How far is Harlingen Valley Intl to San Juan Luis Munoz Marin Intl by plane?

    The distance between Harlingen Valley Intl and San Juan Luis Munoz Marin Intl is about 2088.0 mi. In terms of flight time, this usually takes a little over 7h 16m.

  • When did momondo last update prices for flights from Harlingen Valley Intl Airport to San Juan Luis Munoz Marin Intl Airport?

    Prices for flights from Harlingen Valley Intl Airport to San Juan Luis Munoz Marin Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Harlingen Valley Intl Airport to San Juan Luis Munoz Marin Intl Airport?

  • How old do you have to be to fly from Harlingen Valley Intl Airport to San Juan Luis Munoz Marin Intl Airport?

    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 San Juan Luis Munoz Marin Intl Airport.

  • What documentation or ID do you need to fly to San Juan Luis Munoz Marin Intl Airport?

    The travel and health documents required for your trip to San Juan Luis Munoz Marin Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Juan Luis Munoz Marin Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Harlingen, Texas to San Juan Luis Munoz Marin Intl Airport?

Best airlines flying from Harlingen, Texas to San Juan Luis Munoz Marin Intl Airport

Compare and see reviews for airlines that fly from Harlingen, Texas to San Juan Luis Munoz Marin Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $260Free CancellationRating
7.4
9,215 reviews
Search United Airlines flights
American AirlinesPriceFrom $306Free CancellationRating
7.2
11,205 reviews
Search American Airlines flights
SouthwestPriceFrom $378Free CancellationRating
8.0
4,267 reviews
Search Southwest flights

Traveling to a place near San Juan?

Book flights to San Juan if you plan to visit one of these locations
Carolina
Fajardo
Dorado
Luquillo
Caguas
Humacao
Rio Grande
Bayamón

Why use momondo?

Why should I use momondo to find a flight deal from Harlingen to San Juan?

Finding the right flight to San Juan from Harlingen is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Juan quick and easy, saving you time and money.

Can I find flights from Harlingen to San Juan with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Harlingen to San Juan flights to just show those with flexible booking policies.

How can momondo help me find flights from Harlingen to San Juan?

Once all potential Harlingen to San Juan 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 San Juan right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Harlingen to San Juan flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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