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Luis Munoz Marin Intl

$219+ Cheap flights from Harlingen, TX (HRL) to Luis Munoz Marin Intl (SJU)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/13. Fares are subject to change and may not be available on all flights or dates of travel.
HRL — SJU
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheap flight deals from Harlingen to Luis Munoz Marin Intl

Discover tips and strategies to find the most affordable flight options for your journey from Harlingen (HRL) to Luis Munoz Marin Intl (SJU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 29, 2025.

Round-trip from

$219
(American Airlines)

Popular in

June

Cheapest in

January

Average price

$645
From Harlingen Valley Intl to San Juan Luis Munoz Marin Intl
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($36 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Harlingen to Luis Munoz Marin Intl

Cheapest flights from Harlingen to Luis Munoz Marin Intl
Explore the most affordable flight options available from Harlingen to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

This American Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/136:35 pmHRL - SJU
2 stops22h 40mAmerican Airlines
Thu 9/183:55 pmSJU - HRL
2 stops18h 46mAmerican Airlines
Deal found 7/27$219
This United Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/185:10 amHRL - SJU
1 stop9h 32mUnited Airlines
Thu 8/282:00 pmSJU - HRL
1 stop8h 52mUnited Airlines
Deal found 7/29$630
This United deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/185:10 amHRL - SJU
2 stops12h 10mMultiple Airlines
Wed 8/271:05 amSJU - HRL
2 stops15h 57mMultiple Airlines
Deal found 7/29$957
This Southwest deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/285:15 amHRL - SJU
1 stop10h 45mSouthwest
Sat 8/25:10 pmSJU - HRL
1 stop6h 55mSouthwest
Deal found 7/27$1,075

Cheapflights Fare Finder

 
Customize your flight search to find flights from Harlingen to Luis Munoz Marin Intl 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, Cheapflights users made 2,558,603 searches. Data last updated July 29, 2025.
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

Harlingen

Fly to

Luis Munoz Marin Intl

Route

Depart

Return

Price

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Sat 9/13

6:35 pm-6:15 pm

2 stops22h 40m

San Juan Luis Munoz Marin Intl

Thu 9/18

3:55 pm-9:41 am

2 stops18h 46m

$219

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Mon 8/18

5:10 am-3:42 pm

1 stop9h 32m

San Juan Luis Munoz Marin Intl

Thu 8/28

2:00 pm-9:52 pm

1 stop8h 52m

$630

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Mon 8/18

5:10 am-6:20 pm

2 stops12h 10m

San Juan Luis Munoz Marin Intl

Wed 8/27

1:05 am-4:02 pm

2 stops15h 57m

$957

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Tue 8/5

7:59 pm-4:05 pm

2 stops19h 06m

$294

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Tue 8/5

5:10 am-5:30 am

1 stop23h 20m

$303

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Best time to book a flight from Harlingen to Luis Munoz Marin Intl

Have a flexible travel schedule? Discover the best time to fly to Luis Munoz Marin Intl from Harlingen with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Harlingen to San Juan Luis Munoz Marin Intl Airport

What is the cheapest month to book a flight from Harlingen, Texas to San Juan Luis Munoz Marin Intl Airport?

Currently, September is the cheapest month in which you can book a flight from Harlingen, Texas to San Juan Luis Munoz Marin Intl Airport (average of $254). Flying from Harlingen, Texas to San Juan Luis Munoz Marin Intl Airport in June is currently the most expensive (average of $339). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from HRL to SJU?

Find hourly flight availability from Harlingen to Luis Munoz Marin Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 29, 2025.

A simple way to save on the total cost of your ticket is to fly from Harlingen, Texas to San Juan Luis Munoz Marin Intl Airport in the afternoon. If you’re flexible enough to do this you can expect to save up to 15% on your trip compared to booking a flight in the morning.

Reviews of airlines servicing Luis Munoz Marin Intl

Get insights into the airlines that provide service to Luis Munoz Marin Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Luis Munoz Marin Intl. Reviews last updated July 29, 2025.
Read through reviews of airlines operating flights from Harlingen to San Juan Luis Munoz Marin Intl Airport, such as United Airlines and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,893 reviews

Crew

8.1

Overall

7.4

Food

6.6

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,893 reviews
United Airlines
7.4
Good
8,893 reviews

Crew

8.1

Overall

7.4

Food

6.6

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,893 reviews

Crew

8.1

Overall

7.4

Food

6.6

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

Find useful and relevant information for your journey from Harlingen to Luis Munoz Marin Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Harlingen to San Juan Luis Munoz Marin Intl?

    Harlingen Valley Intl (HRL), located 3.7 mi from the city center, is the airport you fly out of when you book flights from Harlingen to San Juan Luis Munoz Marin Intl. 3 airlines have flights from Valley Intl to San Juan Luis Munoz Marin Intl on a regular basis. Booking flights from Harlingen Valley Intl to San Juan Luis Munoz Marin Intl should not be difficult; the airport handles an average of 0 outbound flights to San Juan Luis Munoz Marin Intl per day.

  • What are the cheapest airlines flying from Harlingen, Texas to San Juan Luis Munoz Marin Intl Airport round-trip?

    Currently priced at $219, American Airlines will fly you from Harlingen, Texas to San Juan Luis Munoz Marin Intl Airport and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on United Airlines for as low as $630. Users have found that American Airlines is 61% cheaper than the other options available to this destination.

  • Can I find deals for flights from Harlingen to Luis Munoz Marin Intl that include hotel bookings?

    Yes. In addition to deals on Harlingen to Luis Munoz Marin Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Harlingen to Luis Munoz Marin Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Harlingen to Luis Munoz Marin Intl.

  • Can I find deals for business class flights from Harlingen to Luis Munoz Marin Intl?

    Yes. Cheapflights offers flight deals from Harlingen to Luis Munoz Marin Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Harlingen, Texas to San Juan Luis Munoz Marin Intl Airport?

    Currently, September is the cheapest month in which you can book a flight from Harlingen, Texas to San Juan Luis Munoz Marin Intl Airport (average of $254). Flying from Harlingen, Texas to San Juan Luis Munoz Marin Intl Airport in June is currently the most expensive (average of $339). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near San Juan Luis Munoz Marin Intl Airport?

Book flights to San Juan Luis Munoz Marin Intl Airport if you plan to visit one of these locations
Dorado
Fajardo
Rio Grande
Luquillo
Humacao

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Top 3 airlines flying from Harlingen to Luis Munoz Marin Intl

Discover the top 3 airlines that operate flights from Harlingen to Luis Munoz Marin Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$216Average$544FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$423Average$624FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$511Average$589FlexibilityNo cancel feeOn-time63%

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