What is the cheapest airline that flies from Harlingen Valley Intl to San Juan Luis Munoz Marin Intl?

Southwest is the most popular carrier operating from Harlingen Valley Intl to San Juan Luis Munoz Marin Intl

What airlines fly to San Juan Luis Munoz Marin Intl Airport?

American Airlines, United Airlines and Southwest are the top three most popular airlines that fly to San Juan Luis Munoz Marin Intl Airport from Harlingen, Texas according to our data. American Airlines is the first choice among our users, with 49% of people opting to fly with this airline when traveling to San Juan Luis Munoz Marin Intl Airport. Keep in mind that there are 3 different airlines that fly to San Juan Luis Munoz Marin Intl Airport on a routine basis, so you have a few additional options to choose from.

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?

As of March 2026, there are 3 operators available to choose from 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.

$141 Cheap Flights from Harlingen, Texas to San Juan Luis Munoz Marin Intl Airport in 2026

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

Prices are currently low for flights on this route. Typical prices usually range from $672 to $696. The lowest price recently found on this route was $278.

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Harlingen, Texas to San Juan

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:05 pm - 8:38 pm

HRL

SJU

7h 33m

1 stop

1:00 am - 4:04 pm

SJU

HRL

16h 04m

2 stops

$278United Airlines

Sat, Apr 25 - Tue, Apr 28

9:20 am - 11:50 pm

HRL

SJU

13h 30m

2 stops

1:00 am - 4:04 pm

SJU

HRL

16h 04m

2 stops

$290United Airlines

Sat, Apr 25 - Tue, Apr 28

12:05 pm - 8:38 pm

HRL

SJU

7h 33m

1 stop

7:00 am - 4:04 pm

SJU

HRL

10h 04m

1 stop

$298United Airlines

Sat, Apr 25 - Wed, Apr 29

7:27 am - 3:42 pm

HRL

SJU

7h 15m

1 stop

7:00 am - 3:34 pm

SJU

HRL

9h 34m

1 stop

$385United Airlines

Mon, Sep 14 - Fri, Sep 18

5:25 am - 11:40 pm

HRL

SJU

17h 15m

2 stops

4:49 pm - 9:32 am

SJU

HRL

17h 43m

2 stops

$390American Airlines

Thu, Aug 20 - Sun, Aug 23

10:55 am - 11:50 pm

HRL

SJU

11h 55m

2 stops

6:00 am - 4:05 pm

SJU

HRL

11h 05m

2 stops

$410Southwest

Mon, Sep 14 - Fri, Sep 18

7:00 am - 11:50 pm

HRL

SJU

15h 50m

2 stops

2:55 pm - 9:59 pm

SJU

HRL

8h 04m

1 stop

$411United Airlines

Sat, Apr 18 - Wed, Apr 22

7:00 am - 9:24 pm

HRL

SJU

13h 24m

2 stops

7:20 am - 9:59 pm

SJU

HRL

15h 39m

2 stops

$440United Airlines

Fri, Apr 17 - Tue, Apr 21

8:03 pm - 2:42 pm

HRL

SJU

17h 39m

1 stop

11:59 pm - 10:17 am

SJU

HRL

11h 18m

1 stop

$464American Airlines

Sat, Apr 18 - Wed, Apr 22

2:47 pm - 9:13 am

HRL

SJU

17h 26m

2 stops

6:45 am - 7:33 pm

SJU

HRL

13h 48m

1 stop

$469American Airlines

Wed, Apr 8 - Wed, Apr 15

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

Sep 14

HRL10:55 amHarlingen Valley Intl

11h 55m

2 stops

SJU11:50 pmSan Juan Luis Munoz Marin Intl

Sep 18

SJU6:00 amSan Juan Luis Munoz Marin Intl

11h 05m

2 stops

HRL4:05 pmHarlingen Valley Intl

$410

Southwest

Jul 23

HRL7:10 amHarlingen Valley Intl

11h 15m

2 stops

SJU7:25 pmSan Juan Luis Munoz Marin Intl

Jul 30

SJU6:00 amSan Juan Luis Munoz Marin Intl

13h 00m

1 stop

HRL6:00 pmHarlingen Valley Intl

$476

Southwest

Jul 23

HRL11:35 amHarlingen Valley Intl

11h 00m

2 stops

SJU11:35 pmSan Juan Luis Munoz Marin Intl

Jul 30

SJU6:30 amSan Juan Luis Munoz Marin Intl

11h 30m

2 stops

HRL5:00 pmHarlingen Valley Intl

$526

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

Our best United Airlines deals on Harlingen, Texas to San Juan Luis Munoz Marin Intl Airport flight tickets

United Airlines

Sep 14

HRL7:27 amHarlingen Valley Intl

7h 15m

1 stop

SJU3:42 pmSan Juan Luis Munoz Marin Intl

Sep 18

SJU7:00 amSan Juan Luis Munoz Marin Intl

9h 34m

1 stop

HRL3:34 pmHarlingen Valley Intl

$385

United Airlines

Apr 18

HRL7:00 amHarlingen Valley Intl

15h 50m

2 stops

SJU11:50 pmSan Juan Luis Munoz Marin Intl

Apr 24

SJU1:00 amSan Juan Luis Munoz Marin Intl

16h 04m

2 stops

HRL4:04 pmHarlingen Valley Intl

$413

United Airlines

Apr 17

HRL7:00 amHarlingen Valley Intl

13h 24m

2 stops

SJU9:24 pmSan Juan Luis Munoz Marin Intl

Apr 21

SJU7:20 amSan Juan Luis Munoz Marin Intl

15h 39m

2 stops

HRL9:59 pmHarlingen Valley Intl

$440

momondo Fare Finder

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

Cheapest round-trip

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Sat 4/25

12:05 pm-8:38 pm

1 stop7h 33m

San Juan Luis Munoz Marin Intl

Tue 4/28

1:00 am-4:04 pm

2 stops16h 04m

$278

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Sat 4/25

9:20 am-11:50 pm

2 stops13h 30m

San Juan Luis Munoz Marin Intl

Tue 4/28

1:00 am-4:04 pm

2 stops16h 04m

$290

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Sat 4/25

12:05 pm-8:38 pm

1 stop7h 33m

San Juan Luis Munoz Marin Intl

Wed 4/29

7:00 am-4:04 pm

1 stop10h 04m

$298

Quickest round-trip

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Mon 9/14

7:27 am-3:42 pm

1 stop7h 15m

San Juan Luis Munoz Marin Intl

Fri 9/18

7:00 am-3:34 pm

1 stop9h 34m

$385

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Thu 8/20

5:25 am-11:40 pm

2 stops17h 15m

San Juan Luis Munoz Marin Intl

Sun 8/23

4:49 pm-9:32 am

2 stops17h 43m

$390

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Mon 9/14

10:55 am-11:50 pm

2 stops11h 55m

San Juan Luis Munoz Marin Intl

Fri 9/18

6:00 am-4:05 pm

2 stops11h 05m

$410

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Sat 4/18

7:00 am-11:50 pm

2 stops15h 50m

San Juan Luis Munoz Marin Intl

Wed 4/22

2:55 pm-9:59 pm

1 stop8h 04m

$411

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Fri 4/17

7:00 am-9:24 pm

2 stops13h 24m

San Juan Luis Munoz Marin Intl

Tue 4/21

7:20 am-9:59 pm

2 stops15h 39m

$440

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Sat 4/18

8:03 pm-2:42 pm

1 stop17h 39m

San Juan Luis Munoz Marin Intl

Wed 4/22

11:59 pm-10:17 am

1 stop11h 18m

$464

HarlingenSan Juan

HRL - SJU

HRLSJU

Harlingen Valley Intl

Wed 4/8

2:47 pm-9:13 am

2 stops17h 26m

San Juan Luis Munoz Marin Intl

Wed 4/15

6:45 am-7:33 pm

1 stop13h 48m

$469

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

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 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 February, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $377.

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

Fastest flight time	7h 15m
Direct flights	None

The fastest flight from Harlingen, Texas to San Juan Luis Munoz Marin Intl Airport takes 7h 15m

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 15m.
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?
As of March 2026, there are 3 operators available to choose from 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?
Based on momondo bookings for flights between Harlingen, Texas and San Juan Luis Munoz Marin Intl Airport, the leading airline is United Airlines, making up 41% of the total bookings. Other popular airlines include American Airlines with 35% and Southwest with 24%.

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
United Airlines	PriceFrom $260	Free Cancellation	Rating 7.4 9,445 reviews	Search United Airlines flights
American Airlines	PriceFrom $306	Free Cancellation	Rating 7.1 11,481 reviews	Search American Airlines flights
Southwest	PriceFrom $378	Free Cancellation	Rating 8.0 4,325 reviews	Search Southwest flights

Carolina

Fajardo

Dorado

Luquillo

Caguas

Rio Grande

Humacao

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.

An easier way to manage your San Juan Luis Munoz Marin Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Sun 4/19

Sun 4/26

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to San Juan

Other flights from Harlingen, Texas

Other flights to San Juan

Airlines

Cabin classes

Complete your trip

Feeling lucky

Harlingen, Texas flight routes

Flights from Harlingen Valley Intl to Minneapolis St Paul

Flights from Harlingen Valley Intl to Austin Bergstrom

Flights from Harlingen Valley Intl to Houston George Bush Intcntl

Flights from Harlingen Valley Intl to Dallas Love Field

Flights from Harlingen Valley Intl to Dallas/Fort Worth

Flights from Harlingen Valley Intl to Houston Hobby

Cheap flights from Harlingen, Texas to San Juan from $141

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 4/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Harlingen, Texas to San Juan

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

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

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

Our best United Airlines deals on Harlingen, Texas to San Juan Luis Munoz Marin Intl Airport flight tickets

momondo Fare Finder

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.

See travel insights to San Juan from

How to get the cheapest flight ticket from Harlingen, Texas to San Juan Luis Munoz Marin Intl Airport

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 month to fly to San Juan Luis Munoz Marin Intl Airport?

What is the cheapest airline that flies from Harlingen Valley Intl to San Juan Luis Munoz Marin Intl?

What airlines fly to San Juan Luis Munoz Marin Intl Airport?

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

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

Fastest flight time

Direct flights

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

Traveling to a place near San Juan?

Why use momondo?

An easier way to manage your San Juan Luis Munoz Marin Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to San Juan

Harlingen, Texas flight routes

According to popular flight searches on momondo this year

San Juan Luis Munoz Marin Intl Airport flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to San Juan

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to San Juan

List of cabin classes available on flights landing in San Juan. Availability may vary depending on flight origin and airline.

Complete your trip to San Juan

Explore popular destinations other users love

According to popular flight searches on momondo this year