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Cheap flights from Harlingen to San Juan from $278

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 8/24. 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
5:40 am - 12:16 amHRL  Harlingen Valley Intl-SJU San Juan Luis Munoz Marin Intl
16h 36m1 stop Dallas/Fort Worth
American Airlines Logo
6:28 am - 10:59 pmSJU  San Juan Luis Munoz Marin Intl-HRL Harlingen Valley Intl
18h 31m1 stop Dallas/Fort Worth
$350American Airlines
Mon, Nov 9 - Fri, Nov 13
American Airlines Logo
2:47 pm - 12:09 pmHRL  Harlingen Valley Intl-SJU San Juan Luis Munoz Marin Intl
19h 22m2 stops Dallas/Fort Worth Miami
American Airlines Logo
6:55 pm - 10:13 amSJU  San Juan Luis Munoz Marin Intl-HRL Harlingen Valley Intl
17h 18m2 stops Miami Dallas/Fort Worth
$350American Airlines
Mon, Nov 9 - Fri, Nov 13
American Airlines Logo
5:50 am - 3:23 pmHRL  Harlingen Valley Intl-SJU San Juan Luis Munoz Marin Intl
8h 33m1 stop Dallas/Fort Worth
American Airlines Logo
6:28 am - 2:17 pmSJU  San Juan Luis Munoz Marin Intl-HRL Harlingen Valley Intl
9h 49m1 stop Dallas/Fort Worth
$350American Airlines
Tue, Oct 27 - Wed, Nov 4
American Airlines Logo
2:47 pm - 12:16 amHRL  Harlingen Valley Intl-SJU San Juan Luis Munoz Marin Intl
7h 29m1 stop Dallas/Fort Worth
American Airlines Logo
6:55 pm - 10:13 amSJU  San Juan Luis Munoz Marin Intl-HRL Harlingen Valley Intl
17h 18m2 stops Miami Dallas/Fort Worth
$350American Airlines
Mon, Nov 9 - Fri, Nov 13
United Airlines Logo
5:05 am - 3:36 pmHRL  Harlingen Valley Intl-SJU San Juan Luis Munoz Marin Intl
9h 31m1 stop Houston George Bush Intcntl
United Airlines Logo
7:40 am - 4:01 pmSJU  San Juan Luis Munoz Marin Intl-HRL Harlingen Valley Intl
10h 21m1 stop Houston George Bush Intcntl
$378United Airlines
Tue, Oct 27 - Wed, Nov 4
United Airlines Logo
5:05 am - 4:36 pmHRL  Harlingen Valley Intl-SJU San Juan Luis Munoz Marin Intl
9h 31m1 stop Houston George Bush Intcntl
United Airlines Logo
8:05 am - 7:47 pmSJU  San Juan Luis Munoz Marin Intl-HRL Harlingen Valley Intl
13h 42m2 stops Washington, D.C. Dulles Intl Houston George Bush Intcntl
$378United Airlines
Mon, Nov 2 - Wed, Nov 4
United Airlines Logo
5:05 am - 4:36 pmHRL  Harlingen Valley Intl-SJU San Juan Luis Munoz Marin Intl
9h 31m1 stop Houston George Bush Intcntl
United Airlines Logo
7:40 am - 1:21 pmSJU  San Juan Luis Munoz Marin Intl-HRL Harlingen Valley Intl
7h 41m1 stop Houston George Bush Intcntl
$378United Airlines
Mon, Nov 2 - Wed, Nov 4
Southwest Logo
12:55 pm - 9:55 pmHRL  Harlingen Valley Intl-SJU San Juan Luis Munoz Marin Intl
8h 00m2 stops Houston Hobby Orlando
Southwest Logo
6:35 am - 4:05 pmSJU  San Juan Luis Munoz Marin Intl-HRL Harlingen Valley Intl
11h 30m2 stops Baltimore/Washington Houston Hobby
$443Southwest
Thu, Oct 29 - Sun, Nov 1
Southwest Logo
5:35 am - 5:10 pmHRL  Harlingen Valley Intl-SJU San Juan Luis Munoz Marin Intl
9h 35m1 stop Houston Hobby
Southwest Logo
12:15 pm - 8:35 pmSJU  San Juan Luis Munoz Marin Intl-HRL Harlingen Valley Intl
10h 20m2 stops Orlando Austin Bergstrom
$491Southwest
Sat, Jan 2 - Tue, Feb 2
Southwest Logo
12:35 pm - 10:05 pmHRL  Harlingen Valley Intl-SJU San Juan Luis Munoz Marin Intl
8h 30m2 stops Houston Hobby Orlando
Southwest Logo
2:35 pm - 10:40 pmSJU  San Juan Luis Munoz Marin Intl-HRL Harlingen Valley Intl
9h 05m2 stops Orlando Houston Hobby
$536Southwest
Tue, Sep 8 - Mon, Sep 14

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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
Oct 27
HRL5:50 amHarlingen Valley Intl
8h 33m
1 stop
SJU3:23 pmSan Juan Luis Munoz Marin Intl
Nov 4
SJU6:28 amSan Juan Luis Munoz Marin Intl
18h 31m
1 stop
HRL10:59 pmHarlingen Valley Intl
$350
American Airlines
Oct 29
HRL6:42 pmHarlingen Valley Intl
19h 56m
2 stops
SJU3:38 pmSan Juan Luis Munoz Marin Intl
Nov 1
SJU6:28 amSan Juan Luis Munoz Marin Intl
9h 49m
1 stop
HRL2:17 pmHarlingen Valley Intl
$429
American Airlines
Nov 24
HRL2:47 pmHarlingen Valley Intl
17h 54m
2 stops
SJU10:41 amSan Juan Luis Munoz Marin Intl
Dec 1
SJU6:55 pmSan Juan Luis Munoz Marin Intl
16h 43m
2 stops
HRL9:38 amHarlingen Valley Intl
$454

Southwest flights from Harlingen to San Juan Luis Munoz Marin Intl Airport

Our best Southwest deals on Harlingen to San Juan Luis Munoz Marin Intl Airport flight tickets
Southwest
Jan 2
HRL5:35 amHarlingen Valley Intl
9h 35m
1 stop
SJU5:10 pmSan Juan Luis Munoz Marin Intl
Feb 2
SJU12:15 pmSan Juan Luis Munoz Marin Intl
10h 20m
2 stops
HRL8:35 pmHarlingen Valley Intl
$491
Southwest
Sep 8
HRL12:35 pmHarlingen Valley Intl
8h 30m
2 stops
SJU10:05 pmSan Juan Luis Munoz Marin Intl
Sep 14
SJU2:35 pmSan Juan Luis Munoz Marin Intl
9h 05m
2 stops
HRL10:40 pmHarlingen Valley Intl
$536
Southwest
Jan 2
HRL11:25 amHarlingen Valley Intl
10h 50m
2 stops
SJU12:15 amSan Juan Luis Munoz Marin Intl
Feb 2
SJU12:15 pmSan Juan Luis Munoz Marin Intl
10h 20m
2 stops
HRL8:35 pmHarlingen Valley Intl
$539

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 August 8, 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 Harlingen Valley Intl - SJU San Juan Luis Munoz Marin Intl

HRLSJU

Harlingen Valley Intl

Mon 11/9

5:40 am-12:16 am

1 stop16h 36m

San Juan Luis Munoz Marin Intl

Fri 11/13

6:28 am-10:59 pm

1 stop18h 31m

$350

HarlingenSan Juan

HRL Harlingen Valley Intl - SJU San Juan Luis Munoz Marin Intl

HRLSJU

Harlingen Valley Intl

Mon 11/9

2:47 pm-12:09 pm

2 stops19h 22m

San Juan Luis Munoz Marin Intl

Fri 11/13

6:55 pm-10:13 am

2 stops17h 18m

$350

HarlingenSan Juan

HRL Harlingen Valley Intl - SJU San Juan Luis Munoz Marin Intl

HRLSJU

Harlingen Valley Intl

Tue 10/27

5:50 am-3:23 pm

1 stop8h 33m

San Juan Luis Munoz Marin Intl

Wed 11/4

6:28 am-2:17 pm

1 stop9h 49m

$350

HarlingenSan Juan

HRL Harlingen Valley Intl - SJU San Juan Luis Munoz Marin Intl

HRLSJU

Harlingen Valley Intl

Mon 11/9

2:47 pm-12:16 am

1 stop7h 29m

San Juan Luis Munoz Marin Intl

Fri 11/13

6:55 pm-10:13 am

2 stops17h 18m

$350

HarlingenSan Juan

HRL Harlingen Valley Intl - SJU San Juan Luis Munoz Marin Intl

HRLSJU

Harlingen Valley Intl

Tue 10/27

5:05 am-3:36 pm

1 stop9h 31m

San Juan Luis Munoz Marin Intl

Wed 11/4

7:40 am-4:01 pm

1 stop10h 21m

$378

HarlingenSan Juan

HRL Harlingen Valley Intl - SJU San Juan Luis Munoz Marin Intl

HRLSJU

Harlingen Valley Intl

Mon 11/2

5:05 am-4:36 pm

1 stop9h 31m

San Juan Luis Munoz Marin Intl

Wed 11/4

8:05 am-7:47 pm

2 stops13h 42m

$378
Quickest round-trip

HarlingenSan Juan

HRL Harlingen Valley Intl - SJU San Juan Luis Munoz Marin Intl

HRLSJU

Harlingen Valley Intl

Mon 11/2

5:05 am-4:36 pm

1 stop9h 31m

San Juan Luis Munoz Marin Intl

Wed 11/4

7:40 am-1:21 pm

1 stop7h 41m

$378

HarlingenSan Juan

HRL Harlingen Valley Intl - SJU San Juan Luis Munoz Marin Intl

HRLSJU

Harlingen Valley Intl

Thu 10/29

12:55 pm-9:55 pm

2 stops8h 00m

San Juan Luis Munoz Marin Intl

Sun 11/1

6:35 am-4:05 pm

2 stops11h 30m

$443

HarlingenSan Juan

HRL Harlingen Valley Intl - SJU San Juan Luis Munoz Marin Intl

HRLSJU

Harlingen Valley Intl

Sat 1/2

5:35 am-5:10 pm

1 stop9h 35m

San Juan Luis Munoz Marin Intl

Tue 2/2

12:15 pm-8:35 pm

2 stops10h 20m

$491

HarlingenSan Juan

HRL Harlingen Valley Intl - SJU San Juan Luis Munoz Marin Intl

HRLSJU

Harlingen Valley Intl

Tue 9/8

12:35 pm-10:05 pm

2 stops8h 30m

San Juan Luis Munoz Marin Intl

Mon 9/14

2:35 pm-10:40 pm

2 stops9h 05m

$536

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
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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 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

7h 16m

Direct flights

None
The fastest flight from Harlingen to San Juan Luis Munoz Marin Intl Airport takes 7h 16m
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 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 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
10,081 reviews
Search United Airlines flights
American AirlinesPriceFrom $306Free CancellationRating
7.1
11,877 reviews
Search American Airlines flights
SouthwestPriceFrom $429Free CancellationRating
8.0
4,217 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
Rio Grande
Humacao
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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