$290+ Cheap flights from Harlingen, TX (HRL) to San Juan
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 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
HRL — SJU
Apr 11 — Apr 181
Round-trip
1 adult, Economy
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Cheapest flights from Harlingen to San JuanExplore the most affordable flight options available from Harlingen to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 12, 2026.
Explore the most affordable flight options available from Harlingen to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 12, 2026.
This American Airlines deal was found by Cheapflights users on 3/8. 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.
Fri 10/26:18 pm
HRL
- SJU
2 stops19h 27m
American Airlines
Tue 10/68:30 am
SJU
- HRL
2 stops16h 25m
American Airlines
Deal found 3/8![American Airlines logo]()
$290
This United Airlines deal was found by Cheapflights users on 3/10. 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 4/1312:05 pm
HRL
- SJU
1 stop7h 33m
United Airlines
Tue 4/211:00 am
SJU
- HRL
2 stops16h 04m
United Airlines
Deal found 3/10![United Airlines logo]()
$343
This United Airlines deal was found by Cheapflights users on 3/10. 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.
Fri 10/235:15 am
HRL
- SJU
1 stop9h 27m
United Airlines
Tue 10/272:46 pm
SJU
- HRL
1 stop7h 58m
United Airlines
Deal found 3/10![United Airlines logo]()
$347
This United Airlines deal was found by Cheapflights users on 3/8. 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.
Fri 10/25:15 am
HRL
- SJU
1 stop9h 27m
United Airlines
Mon 10/51:05 am
SJU
- HRL
2 stops13h 09m
United Airlines
Deal found 3/8![United Airlines logo]()
$351
This American Airlines deal was found by Cheapflights users on 3/10. 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 5/112:51 pm
HRL
- SJU
2 stops19h 02m
American Airlines
Thu 5/1411:59 pm
SJU
- HRL
1 stop11h 18m
American Airlines
Deal found 3/10![American Airlines logo]()
$384
This American Airlines deal was found by Cheapflights users on 3/9. 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 5/258:04 pm
HRL
- SJU
1 stop7h 21m
American Airlines
Tue 6/27:15 pm
SJU
- HRL
2 stops15h 58m
American Airlines
Deal found 3/9![American Airlines logo]()
$390
This Southwest deal was found by Cheapflights users on 3/10. 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 4/1310:40 am
HRL
- SJU
2 stops11h 45m
Southwest
Wed 4/222:00 pm
SJU
- HRL
2 stops9h 00m
Southwest
Deal found 3/10![Southwest logo]()
$400
This American Airlines deal was found by Cheapflights users on 3/9. 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 5/117:53 pm
HRL
- SJU
1 stop7h 39m
American Airlines
Sat 5/1611:59 pm
SJU
- HRL
1 stop11h 18m
American Airlines
Deal found 3/9![American Airlines logo]()
$409
This American Airlines deal was found by Cheapflights users on 3/10. 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.
Wed 4/88:03 pm
HRL
- SJU
1 stop7h 29m
American Airlines
Wed 4/157:00 pm
SJU
- HRL
2 stops16h 17m
American Airlines
Deal found 3/10![American Airlines logo]()
$429
This Southwest deal was found by Cheapflights users on 3/10. 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 5/1110:40 am
HRL
- SJU
2 stops11h 45m
Southwest
Thu 5/142:00 pm
SJU
- HRL
2 stops10h 00m
Southwest
Deal found 3/10![Southwest logo]()
$445
Best flights from Harlingen to San JuanDiscover carefully curated flight deals from Harlingen to San Juan that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 12, 2026.
Discover carefully curated flight deals from Harlingen to San Juan that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 12, 2026.
This Southwest deal was found by Cheapflights users on 3/10. 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 5/1110:40 am
HRL
- SJU
2 stops11h 45m
Southwest
Thu 5/142:00 pm
SJU
- HRL
2 stops10h 00m
Southwest
Deal found 3/10![Southwest logo]()
$445
This United Airlines deal was found by Cheapflights users on 3/7. 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.
Tue 4/289:20 am
HRL
- SJU
2 stops11h 04m
United Airlines
Thu 4/302:55 pm
SJU
- HRL
1 stop8h 04m
United Airlines
Deal found 3/7![United Airlines logo]()
$461
This American Airlines deal was found by Cheapflights users on 3/7. 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.
Wed 4/82:47 pm
HRL
- SJU
2 stops17h 26m
American Airlines
Wed 4/156:45 am
SJU
- HRL
1 stop13h 48m
American Airlines
Deal found 3/7![American Airlines logo]()
$473
This Southwest deal was found by Cheapflights users on 3/10. 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.
Fri 4/1710:40 am
HRL
- SJU
2 stops11h 45m
Southwest
Thu 4/235:05 am
SJU
- HRL
2 stops12h 10m
Southwest
Deal found 3/10![Southwest logo]()
$477
This Southwest deal was found by Cheapflights users on 3/11. 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 7/611:35 am
HRL
- SJU
2 stops11h 00m
Southwest
Fri 7/1011:35 am
SJU
- HRL
2 stops11h 05m
Southwest
Deal found 3/11![Southwest logo]()
$500
Last-minute flights from Harlingen to San JuanDiscover last-minute flight deals from Harlingen to San Juan. Data last updated March 12, 2026 and is based on user searches.
Discover last-minute flight deals from Harlingen to San Juan. Data last updated March 12, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 3/10. 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.
Wed 4/88:03 pm
HRL
- SJU
1 stop7h 29m
American Airlines
Wed 4/157:00 pm
SJU
- HRL
2 stops16h 17m
American Airlines
Deal found 3/10![American Airlines logo]()
$429
This American Airlines deal was found by Cheapflights users on 3/10. 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 4/92:47 pm
HRL
- SJU
2 stops17h 26m
American Airlines
Thu 4/167:00 pm
SJU
- HRL
2 stops16h 17m
American Airlines
Deal found 3/10![American Airlines logo]()
$472
This United Airlines deal was found by Cheapflights users on 3/10. 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 4/1312:05 pm
HRL
- SJU
1 stop7h 33m
United Airlines
Tue 4/211:00 am
SJU
- HRL
2 stops16h 04m
United Airlines
Deal found 3/10![United Airlines logo]()
$343
This Southwest deal was found by Cheapflights users on 3/10. 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 4/1310:40 am
HRL
- SJU
2 stops11h 45m
Southwest
Wed 4/222:00 pm
SJU
- HRL
2 stops9h 00m
Southwest
Deal found 3/10![Southwest logo]()
$400
This American Airlines deal was found by Cheapflights users on 3/8. 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 4/162:47 pm
HRL
- SJU
2 stops17h 26m
American Airlines
Tue 4/217:00 pm
SJU
- HRL
2 stops20h 17m
American Airlines
Deal found 3/8![American Airlines logo]()
$507
This American Airlines deal was found by Cheapflights users on 3/10. 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.
Fri 4/172:47 pm
HRL
- SJU
2 stops17h 24m
American Airlines
Thu 4/236:45 am
SJU
- HRL
1 stop17h 06m
American Airlines
Deal found 3/10![American Airlines logo]()
$449
This United Airlines deal was found by Cheapflights users on 3/8. 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.
Tue 4/289:20 am
HRL
- SJU
2 stops11h 04m
United Airlines
Thu 4/302:55 pm
SJU
- HRL
1 stop8h 04m
United Airlines
Deal found 3/8![United Airlines logo]()
$461
One-way flights from Harlingen to San JuanSearch for one-way flight options from Harlingen to San Juan. Find affordable one-way fares based on user searches. Data last updated March 12, 2026.
Search for one-way flight options from Harlingen to San Juan. Find affordable one-way fares based on user searches. Data last updated March 12, 2026.
This American Airlines deal was found by Cheapflights users on 3/8. 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 4/48:06 pm
HRL
- SJU
1 stop8h 22m
American Airlines
Deal found 3/8![American Airlines logo]()
$318
Find flight deals from Harlingen to San Juan
Discover tips and strategies to find the most affordable flight options for your journey from Harlingen (HRL) to San Juan (PR1). 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 March 12, 2026.
Round-trip from | $343 (United Airlines) |
|---|---|
One-way from | $318 (American Airlines) |
Popular in | October |
Cheapest in | February |
Average price | $696 |
Cheapflights Fare Finder
Customize your flight search to find flights from Harlingen to San Juan 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 March 12, 2026.
Use the filters below to find and compare flights from Harlingen to San Juan that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
HarlingenSan Juan
HRL - SJU
HRLSJU
Harlingen Valley Intl
Mon 5/11
10:40 am-11:25 pm
2 stops11h 45m
San Juan Luis Munoz Marin Intl
Thu 5/14
2:00 pm-11:00 pm
2 stops10h 00m
$445
Quickest round-trip
HarlingenSan Juan
HRL - SJU
HRLSJU
Harlingen Valley Intl
Tue 4/28
9:20 am-9:24 pm
2 stops11h 04m
San Juan Luis Munoz Marin Intl
Thu 4/30
2:55 pm-9:59 pm
1 stop8h 04m
$461
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
$473
HarlingenSan Juan
HRL - SJU
HRLSJU
Harlingen Valley Intl
Fri 4/17
10:40 am-11:25 pm
2 stops11h 45m
San Juan Luis Munoz Marin Intl
Thu 4/23
5:05 am-4:15 pm
2 stops12h 10m
$477
HarlingenSan Juan
HRL - SJU
HRLSJU
Harlingen Valley Intl
Mon 7/6
11:35 am-11:35 pm
2 stops11h 00m
San Juan Luis Munoz Marin Intl
Fri 7/10
11:35 am-9:40 pm
2 stops11h 05m
$500
Cheapest one-way
Quickest one-way
HarlingenSan Juan
HRL - SJU
HRLSJU
Harlingen Valley Intl
Sat 4/4
8:06 pm-2:50 pm
2 stops17h 44m
$324
Sorted by cheapest first
Best time to book a flight from Harlingen to San Juan
Have a flexible travel schedule? Discover the best time to fly to San Juan from Harlingen with our price prediction graph.
HRL-PR1
HRL-SJU
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
HRL-PR1
HRL-SJU
What is the cheapest month to book a flight from Harlingen, Texas to San Juan?
Currently, February is the cheapest month in which you can book a flight from Harlingen, Texas to San Juan (average of $240). Flying from Harlingen, Texas to San Juan in October is currently the most expensive (average of $449). 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.
Reviews of airlines servicing San Juan
Get insights into the airlines that provide service to San Juan. 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 San Juan. Reviews last updated March 12, 2026.
Peruse reviews from past customers who have flown with Southwest,United Airlines, andAmerican Airlines from Harlingen to San Juan to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.5
Boarding
8.1
Food
7.0
Crew
8.6
Comfort
8.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Entertainment
7.5
Boarding
8.1
Food
7.0
Crew
8.6
Comfort
8.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Entertainment
7.5
Boarding
8.1
Food
7.0
Crew
8.6
Comfort
8.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Entertainment
7.5
Boarding
8.1
Food
7.0
Crew
8.6
Comfort
8.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Related info for your journey
Find useful and relevant information for your journey from Harlingen to San Juan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Harlingen to San Juan
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Complete your trip
Complete your trip to San Juan by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Harlingen to San Juan by cabin class
Find flights from Harlingen to San Juan, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Harlingen and San Juan flights
Browse other Harlingen and San Juan flight options. Last updated on March 12, 2026.
Other flights from Harlingen
Browse through other flights departing from Harlingen. Flights are based on user searches made on Cheapflights and were last updated on March 12, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 3 airlines flying from Harlingen to San Juan
Discover the top 3 airlines that operate flights from Harlingen to San Juan. 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 March 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$260 | Average$445 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$306 | Average$645 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$378 | Average$549 | FlexibilityNo cancel fee | On-time63% |