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Cheap flights from Harlingen to San Juan 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 San Juan 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 San Juan

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 - 3:12 pm
HRL
-
SJU
9h 07m
1 stop
United Airlines Logo
1:00 am - 3:59 pm
SJU
-
HRL
15h 59m
2 stops
$276United Airlines
Wed, Sep 9 - Fri, Sep 11
American Airlines Logo
6:43 pm - 12:40 pm
HRL
-
SJU
16h 57m
2 stops
American Airlines Logo
5:10 pm - 10:04 am
SJU
-
HRL
17h 54m
2 stops
$330American Airlines
Sat, Aug 22 - Wed, Aug 26
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
10:45 am - 9:24 am
HRL
-
SJU
21h 39m
2 stops
American Airlines Logo
2:58 pm - 9:58 am
SJU
-
HRL
20h 00m
2 stops
$335American Airlines
Wed, Sep 9 - Sat, Sep 12
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
United Airlines Logo
5:05 am - 3:12 pm
HRL
-
SJU
9h 07m
1 stop
United Airlines Logo
7:00 am - 3:59 pm
SJU
-
HRL
9h 59m
1 stop
$337United Airlines
Wed, Sep 9 - Sat, Sep 12
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
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
$348United Airlines
Mon, Aug 24 - Wed, Aug 26
American Airlines Logo
4:58 pm - 11:05 am
HRL
-
SJU
17h 07m
2 stops
American Airlines Logo
2:00 pm - 10:16 am
SJU
-
HRL
21h 16m
2 stops
$350American Airlines
Sat, Oct 24 - Tue, Oct 27

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

Our best United Airlines deals on Harlingen to San Juan Luis Munoz Marin Intl Airport flight tickets
United Airlines
Sep 9
HRL5:05 amHarlingen Valley Intl
9h 07m
1 stop
SJU3:12 pmSan Juan Luis Munoz Marin Intl
Sep 11
SJU1:00 amSan Juan Luis Munoz Marin Intl
15h 59m
2 stops
HRL3:59 pmHarlingen Valley Intl
$276
United Airlines
Sep 9
HRL5:05 amHarlingen Valley Intl
9h 07m
1 stop
SJU3:12 pmSan Juan Luis Munoz Marin Intl
Sep 12
SJU7:00 amSan Juan Luis Munoz Marin Intl
9h 59m
1 stop
HRL3:59 pmHarlingen Valley Intl
$337
United Airlines
Aug 24
HRL7:15 amHarlingen Valley Intl
7h 27m
1 stop
SJU3:42 pmSan Juan Luis Munoz Marin Intl
Aug 26
SJU7:00 amSan Juan Luis Munoz Marin Intl
9h 59m
1 stop
HRL3:59 pmHarlingen Valley Intl
$348

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

Our best American Airlines deals on Harlingen to San Juan Luis Munoz Marin Intl Airport 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 22
HRL6:43 pmHarlingen Valley Intl
16h 57m
2 stops
SJU12:40 pmSan Juan Luis Munoz Marin Intl
Aug 26
SJU5:10 pmSan Juan Luis Munoz Marin Intl
17h 54m
2 stops
HRL10:04 amHarlingen 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

momondo Fare Finder

 
Customize your flight search to find flights from Harlingen 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 June 20, 2026.
Use the filters below to find and compare flights from Harlingen to San Juan Luis Munoz Marin Intl Airport 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

Wed 9/9

5:05 am-3:12 pm

1 stop9h 07m

San Juan Luis Munoz Marin Intl

Fri 9/11

1:00 am-3:59 pm

2 stops15h 59m

$276

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Sat 8/22

6:43 pm-12:40 pm

2 stops16h 57m

San Juan Luis Munoz Marin Intl

Wed 8/26

5:10 pm-10:04 am

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 9/9

10:45 am-9:24 am

2 stops21h 39m

San Juan Luis Munoz Marin Intl

Sat 9/12

2:58 pm-9:58 am

2 stops20h 00m

$335

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

Wed 9/9

5:05 am-3:12 pm

1 stop9h 07m

San Juan Luis Munoz Marin Intl

Sat 9/12

7:00 am-3:59 pm

1 stop9h 59m

$337

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
Quickest round-trip

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Mon 8/24

7:15 am-3:42 pm

1 stop7h 27m

San Juan Luis Munoz Marin Intl

Wed 8/26

7:00 am-3:59 pm

1 stop9h 59m

$348

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Sat 10/24

4:58 pm-11:05 am

2 stops17h 07m

San Juan Luis Munoz Marin Intl

Tue 10/27

2:00 pm-10:16 am

2 stops21h 16m

$350

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 San Juan from

How to get the cheapest flight ticket from Harlingen 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 typical price of a round-trip flight between Harlingen and San Juan Luis Munoz Marin Intl Airport?

What is the cheapest month to fly to San Juan Luis Munoz Marin Intl Airport?

If you aren’t able to travel to San Juan Luis Munoz Marin Intl Airport during the month of May, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $347.

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

Fastest flight time

6h 45m

Direct flights

None
The fastest flight from Harlingen to San Juan Luis Munoz Marin Intl Airport takes 6h 45m
There are no direct flights from Harlingen to San Juan Luis Munoz Marin Intl Airport. There are no popular flight routes from Harlingen to San Juan Luis Munoz Marin Intl Airport.
Search flight deals

Frequently asked questions about flying from Harlingen to San Juan Luis Munoz Marin Intl Airport

  • 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 6h 45m.

  • 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 to San Juan Luis Munoz Marin Intl Airport?

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

Compare and see reviews for airlines that fly from Harlingen to San Juan Luis Munoz Marin Intl Airport 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

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
Humacao
Rio Grande
Caguas
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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