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Cheap flights from Harlingen, Texas to San Juan from $122

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, Texas to San Juan departing on 10/28. 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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Find the cheapest flights from Harlingen, Texas to San Juan

Cheap round-trip flights

American Airlines Logo
4:08 pm - 11:12 amHRL-SJU
17h 04m2 stops
American Airlines Logo
5:10 pm - 9:38 amSJU-HRL
18h 28m2 stops
$437American Airlines
Find Deal
Mon, Dec 1 - Sat, Dec 6
American Airlines Logo
5:45 am - 2:15 pmHRL-SJU
7h 30m1 stop
American Airlines Logo
7:00 am - 11:04 pmSJU-HRL
17h 04m2 stops
$478American Airlines
Find Deal
Thu, Oct 2 - Tue, Oct 7
American Airlines Logo
4:08 pm - 6:10 amHRL-SJU
12h 02m1 stop
American Airlines Logo
6:00 am - 11:11 pmSJU-HRL
19h 11m2 stops
$482American Airlines
Find Deal
Mon, Dec 1 - Sat, Dec 6
American Airlines Logo
2:51 pm - 2:53 pmHRL-SJU
23h 02m2 stops
American Airlines Logo
7:05 pm - 9:41 amSJU-HRL
15h 36m2 stops
$485American Airlines
Find Deal
Wed, Oct 1 - Sat, Oct 4
United Airlines Logo
7:00 am - 11:57 pmHRL-SJU
15h 57m2 stops
United Airlines Logo
2:55 pm - 11:18 pmSJU-HRL
9h 23m1 stop
$500United Airlines
Find Deal
Thu, Oct 2 - Tue, Oct 7
American Airlines Logo
4:09 pm - 12:00 pmHRL-SJU
17h 51m2 stops
American Airlines Logo
6:45 am - 4:17 pmSJU-HRL
11h 32m1 stop
$507American Airlines
Find Deal
Wed, Feb 4 - Sun, Feb 8
United Airlines Logo
7:00 am - 11:57 pmHRL-SJU
15h 57m2 stops
United Airlines Logo
1:05 am - 1:19 pmSJU-HRL
13h 14m2 stops
$524United Airlines
Find Deal
Thu, Oct 2 - Mon, Oct 6
Southwest Logo
7:35 am - 8:55 pmHRL-SJU
11h 20m2 stops
Southwest Logo
6:10 am - 5:05 pmSJU-HRL
12h 55m2 stops
$535Southwest
Find Deal
Wed, Feb 4 - Sun, Feb 8
Southwest Logo
11:30 am - 12:35 amHRL-SJU
11h 05m2 stops
Southwest Logo
3:30 pm - 11:35 pmSJU-HRL
10h 05m2 stops
$540Southwest
Find Deal
Tue, Nov 11 - Fri, Nov 21
Sun Country Air Logo
11:49 am - 1:52 pmHRL-SJU
24h 03m1 stop
Sun Country Air Logo
3:14 pm - 10:47 amSJU-HRL
21h 33m1 stop
$739Sun Country Air
Find Deal
Thu, Dec 18 - Sun, Dec 21

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

Our best Southwest deals on Harlingen, Texas to San Juan Luis Munoz Marin Intl Airport flight tickets
Southwest
Feb 4
HRL7:35 amHarlingen Valley Intl
11h 20m
2 stops
SJU8:55 pmSan Juan Luis Munoz Marin Intl
Feb 8
SJU6:10 amSan Juan Luis Munoz Marin Intl
12h 55m
2 stops
HRL5:05 pmHarlingen Valley Intl
$535
Find similar
Southwest
Nov 11
HRL11:30 amHarlingen Valley Intl
11h 05m
2 stops
SJU12:35 amSan Juan Luis Munoz Marin Intl
Nov 21
SJU3:30 pmSan Juan Luis Munoz Marin Intl
10h 05m
2 stops
HRL11:35 pmHarlingen Valley Intl
$540
Find similar
Southwest
Sep 21
HRL10:15 amHarlingen Valley Intl
13h 20m
2 stops
SJU12:35 amSan Juan Luis Munoz Marin Intl
Sep 23
SJU1:35 pmSan Juan Luis Munoz Marin Intl
9h 30m
2 stops
HRL10:05 pmHarlingen Valley Intl
$728
Find similar

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
Dec 1
HRL4:08 pmHarlingen Valley Intl
17h 04m
2 stops
SJU11:12 amSan Juan Luis Munoz Marin Intl
Dec 6
SJU5:10 pmSan Juan Luis Munoz Marin Intl
18h 28m
2 stops
HRL9:38 amHarlingen Valley Intl
$437
Find similar
American Airlines
Oct 2
HRL5:45 amHarlingen Valley Intl
7h 30m
1 stop
SJU2:15 pmSan Juan Luis Munoz Marin Intl
Oct 7
SJU7:00 amSan Juan Luis Munoz Marin Intl
17h 04m
2 stops
HRL11:04 pmHarlingen Valley Intl
$478
Find similar
American Airlines
Dec 1
HRL4:08 pmHarlingen Valley Intl
12h 02m
1 stop
SJU6:10 amSan Juan Luis Munoz Marin Intl
Dec 6
SJU6:00 amSan Juan Luis Munoz Marin Intl
19h 11m
2 stops
HRL11:11 pmHarlingen Valley Intl
$482
Find similar

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 September 18, 2025.
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

Mon 12/1

4:08 pm-11:12 am

2 stops17h 04m

San Juan Luis Munoz Marin Intl

Sat 12/6

5:10 pm-9:38 am

2 stops18h 28m

$437

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Thu 10/2

5:45 am-2:15 pm

1 stop7h 30m

San Juan Luis Munoz Marin Intl

Tue 10/7

7:00 am-11:04 pm

2 stops17h 04m

$478

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Mon 12/1

4:08 pm-6:10 am

1 stop12h 02m

San Juan Luis Munoz Marin Intl

Sat 12/6

6:00 am-11:11 pm

2 stops19h 11m

$482

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Wed 10/1

2:51 pm-2:53 pm

2 stops23h 02m

San Juan Luis Munoz Marin Intl

Sat 10/4

7:05 pm-9:41 am

2 stops15h 36m

$485

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Thu 10/2

7:00 am-11:57 pm

2 stops15h 57m

San Juan Luis Munoz Marin Intl

Tue 10/7

2:55 pm-11:18 pm

1 stop9h 23m

$500

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Wed 2/4

4:09 pm-12:00 pm

2 stops17h 51m

San Juan Luis Munoz Marin Intl

Sun 2/8

6:45 am-4:17 pm

1 stop11h 32m

$507

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Thu 10/2

7:00 am-11:57 pm

2 stops15h 57m

San Juan Luis Munoz Marin Intl

Mon 10/6

1:05 am-1:19 pm

2 stops13h 14m

$524

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Wed 2/4

7:35 am-8:55 pm

2 stops11h 20m

San Juan Luis Munoz Marin Intl

Sun 2/8

6:10 am-5:05 pm

2 stops12h 55m

$535

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Tue 11/11

11:30 am-12:35 am

2 stops11h 05m

San Juan Luis Munoz Marin Intl

Fri 11/21

3:30 pm-11:35 pm

2 stops10h 05m

$540

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Thu 12/18

11:49 am-1:52 pm

1 stop24h 03m

San Juan Luis Munoz Marin Intl

Sun 12/21

3:14 pm-10:47 am

1 stop21h 33m

$739

Flights are sorted by cheapest round-trip flights first.

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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 typical price of a round-trip flight between Harlingen, Texas and San Juan Luis Munoz Marin Intl Airport?

What is the cheapest day to depart on your flight to San Juan Luis Munoz Marin Intl Airport?

On average, the least expensive day to fly to San Juan Luis Munoz Marin Intl Airport from Harlingen, Texas is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $511. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Friday is the most expensive day to depart from Harlingen, Texas because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $626.

What is the cheapest time of day to depart on your flight to San Juan Luis Munoz Marin Intl Airport?

The cheapest time of day to fly to San Juan Luis Munoz Marin Intl Airport is in the evening when flights can be purchased for as low as $537. Flights in the morning are often more expensive with an average ticket price of $626.

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

Direct flights

None
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
American AirlinesPriceFrom $294Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $423Free CancellationRating
7.4
8,925 reviews
Search United Airlines flights
SouthwestPriceFrom $513Free CancellationRating
8.0
4,242 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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