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Luis Munoz Marin Intl

$236+ Cheap flights from Harlingen, TX (HRL) to Luis Munoz Marin Intl (SJU)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/8. Fares are subject to change and may not be available on all flights or dates of travel.
HRL — SJU
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
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 October 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$632
(American Airlines)

One-way from

$236
(American Airlines)

Popular in

October

Cheapest in

January

Average price

$871
Provider with most accurate pricing for Harlingen Valley Intl-San Juan Luis Munoz Marin Intl flight deals.
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Provider most trusted by Cheapflights users for Harlingen Valley Intl-San Juan Luis Munoz Marin Intl flights.
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From Harlingen Valley Intl to San Juan Luis Munoz Marin Intl
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One-way flight from Harlingen Valley Intl to San Juan Luis Munoz Marin Intl
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Highest demand for flights based on searches. 12% potential increase in price ($83 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in October 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 October 28, 2025.

This American Airlines deal was found by Cheapflights users on 10/27. 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.
Mon 11/245:40 amHRL - SJU
2 stops17h 04mAmerican Airlines
Mon 12/16:42 pmSJU - HRL
2 stops17h 01mAmerican Airlines
Deal found 10/27$632
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2111:37 amHRL - SJU
2 stops43h 02mMultiple Airlines
Fri 12/265:14 pmSJU - HRL
1 stop17h 44mMultiple Airlines
Deal found 10/26$810
This Sun Country Air deal was found by Cheapflights users on 10/26. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2111:37 amHRL - SJU
1 stop26h 24mSun Country Air
Fri 12/265:14 pmSJU - HRL
1 stop17h 44mSun Country Air
Deal found 10/26$824
This American Airlines deal was found by Cheapflights users on 10/28. 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.
Mon 12/228:11 pmHRL - SJU
1 stop7h 23mAmerican Airlines
Sat 12/276:44 amSJU - HRL
1 stop14h 57mAmerican Airlines
Deal found 10/28$849
This United Airlines deal was found by Cheapflights users on 10/26. 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.
Thu 12/257:00 amHRL - SJU
1 stop12h 26mUnited Airlines
Mon 1/127:45 amSJU - HRL
1 stop16h 14mUnited Airlines
Deal found 10/26$854
This American Airlines deal was found by Cheapflights users on 10/27. 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.
Thu 12/2510:12 amHRL - SJU
2 stops21h 23mAmerican Airlines
Mon 1/127:12 pmSJU - HRL
2 stops17h 24mAmerican Airlines
Deal found 10/27$897

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 October 28, 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

Mon 11/24

5:40 am-12:44 am

2 stops17h 04m

San Juan Luis Munoz Marin Intl

Mon 12/1

6:42 pm-9:43 am

2 stops17h 01m

$632

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Sun 12/21

11:37 am-8:39 am

2 stops43h 02m

San Juan Luis Munoz Marin Intl

Fri 12/26

5:14 pm-8:58 am

1 stop17h 44m

$810

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Sun 12/21

11:37 am-4:01 pm

1 stop26h 24m

San Juan Luis Munoz Marin Intl

Fri 12/26

5:14 pm-8:58 am

1 stop17h 44m

$824

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Mon 12/22

8:11 pm-5:34 am

1 stop7h 23m

San Juan Luis Munoz Marin Intl

Sat 12/27

6:44 am-7:41 pm

1 stop14h 57m

$849

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Thu 12/25

7:00 am-9:26 pm

1 stop12h 26m

San Juan Luis Munoz Marin Intl

Mon 1/12

7:45 am-9:59 pm

1 stop16h 14m

$854

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Thu 12/25

10:12 am-9:35 am

2 stops21h 23m

San Juan Luis Munoz Marin Intl

Mon 1/12

7:12 pm-10:36 am

2 stops17h 24m

$897

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Thu 1/8

6:44 pm-10:48 am

2 stops14h 04m

$236

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Sat 11/15

7:00 am-4:36 pm

1 stop7h 36m

$288

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Thu 1/8

12:10 pm-9:26 pm

1 stop7h 16m

$299

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Thu 1/15

12:10 pm-9:26 pm

1 stop7h 16m

$428

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Showing 1-10 of 11 results
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Compare providers for flights from Harlingen to Luis Munoz Marin Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Harlingen to Luis Munoz Marin Intl in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Harlingen, Texas-San Juan Luis Munoz Marin Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Harlingen, Texas-San Juan Luis Munoz Marin Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Harlingen, Texas-San Juan Luis Munoz Marin Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Harlingen, Texas-San Juan Luis Munoz Marin Intl Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Harlingen, Texas-San Juan Luis Munoz Marin Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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, January is the cheapest month in which you can book a flight from Harlingen, Texas to San Juan Luis Munoz Marin Intl Airport (average of $267). Flying from Harlingen, Texas to San Juan Luis Munoz Marin Intl Airport in October is currently the most expensive (average of $448). 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 October 28, 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 evening. If you’re flexible enough to do this you can expect to save up to 14% 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 October 28, 2025.
Read through reviews of airlines operating flights from Harlingen to San Juan Luis Munoz Marin Intl Airport, such as Southwest, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,240 reviews

Crew

8.6

Boarding

8.1

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,240 reviews
Southwest
8.0
Very good
4,240 reviews

Crew

8.6

Boarding

8.1

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
9,001 reviews
Southwest
8.0
Very good
4,240 reviews

Crew

8.6

Boarding

8.1

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,032 reviews
Southwest
8.0
Very good
4,240 reviews

Crew

8.6

Boarding

8.1

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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.

  • How long is the flight from Harlingen, Texas to San Juan Luis Munoz Marin Intl Airport?

    A quick flight from Harlingen, Texas to San Juan Luis Munoz Marin Intl Airport can take about 17h 04m. American Airlines provides one of the quickest options available for as low as $632. The distance from Harlingen, Texas to San Juan Luis Munoz Marin Intl Airport is about 2086 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Currently priced at $306, 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. Search Cheapflights for deals from United Airlines and Southwest - these airlines can fly you to your destination from $309 and $513, respectively. Users have found that American Airlines is 48% 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, January is the cheapest month in which you can book a flight from Harlingen, Texas to San Juan Luis Munoz Marin Intl Airport (average of $267). Flying from Harlingen, Texas to San Juan Luis Munoz Marin Intl Airport in October is currently the most expensive (average of $448). 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 October 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$306Average$534FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$309Average$609FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$513Average$589FlexibilityNo cancel feeOn-time63%

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