$134+ Cheap flights from Harlingen (HRL) to San Juan
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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
HRL — SJU
Jul 21 — Jul 281
Round-trip
1 adult, Economy
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Find cheap flights from Harlingen to San Juan with Cheapflights
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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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 June 21, 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 June 21, 2026.
This American Airlines deal was found by Cheapflights users on 6/19. 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 8/146:43 pm
HRL
- SJU
2 stops18h 55m
American Airlines
Sat 8/226:00 am
SJU
- HRL
2 stops17h 54m
American Airlines
Deal found 6/19![American Airlines logo]()
$228
This United Airlines deal was found by Cheapflights users on 6/20. 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 9/105:05 am
HRL
- SJU
1 stop9h 37m
United Airlines
Tue 9/157:00 am
SJU
- HRL
1 stop7h 24m
United Airlines
Deal found 6/20![United Airlines logo]()
$268
This United Airlines deal was found by Cheapflights users on 6/20. 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.
Sat 8/297:15 am
HRL
- SJU
1 stop7h 27m
United Airlines
Sun 9/62:20 pm
SJU
- HRL
1 stop8h 32m
United Airlines
Deal found 6/20![United Airlines logo]()
$287
This United Airlines deal was found by Cheapflights users on 6/20. 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.
Sat 9/127:15 am
HRL
- SJU
1 stop7h 27m
United Airlines
Thu 9/177:00 am
SJU
- HRL
1 stop9h 59m
United Airlines
Deal found 6/20![United Airlines logo]()
$323
This American Airlines deal was found by Cheapflights users on 6/16. 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.
Tue 9/15:54 am
HRL
- SJU
2 stops15h 01m
American Airlines
Tue 9/86:00 am
SJU
- HRL
2 stops17h 54m
American Airlines
Deal found 6/16![American Airlines logo]()
$331
This American Airlines deal was found by Cheapflights users on 6/16. 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 8/265:54 am
HRL
- SJU
2 stops15h 01m
American Airlines
Mon 8/315:10 pm
SJU
- HRL
2 stops17h 54m
American Airlines
Deal found 6/16![American Airlines logo]()
$336
This American Airlines deal was found by Cheapflights users on 6/17. 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 9/195:28 pm
HRL
- SJU
2 stops19h 26m
American Airlines
Wed 9/302:58 pm
SJU
- HRL
2 stops20h 00m
American Airlines
Deal found 6/17![American Airlines logo]()
$341
This American Airlines deal was found by Cheapflights users on 6/20. 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 10/248:03 pm
HRL
- SJU
1 stop17h 59m
American Airlines
Tue 10/272:00 pm
SJU
- HRL
2 stops21h 16m
American Airlines
Deal found 6/20![American Airlines logo]()
$350
This United Airlines deal was found by Cheapflights users on 6/20. 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.
Sun 8/307:15 am
HRL
- SJU
1 stop7h 27m
United Airlines
Sun 9/62:20 pm
SJU
- HRL
1 stop8h 32m
United Airlines
Deal found 6/20![United Airlines logo]()
$353
This United Airlines deal was found by Cheapflights users on 6/18. 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 8/247:15 am
HRL
- SJU
1 stop7h 27m
United Airlines
Wed 8/267:00 am
SJU
- HRL
1 stop9h 59m
United Airlines
Deal found 6/18![United Airlines logo]()
$358
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 June 21, 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 June 21, 2026.
This American Airlines deal was found by Cheapflights users on 6/16. 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.
Tue 9/15:54 am
HRL
- SJU
1 stop8h 00m
American Airlines
Tue 9/86:00 am
SJU
- HRL
2 stops17h 54m
American Airlines
Deal found 6/16![American Airlines logo]()
$331
This United Airlines deal was found by Cheapflights users on 6/20. 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 8/247:15 am
HRL
- SJU
1 stop7h 27m
United Airlines
Wed 8/267:00 am
SJU
- HRL
1 stop9h 59m
United Airlines
Deal found 6/20![United Airlines logo]()
$358
This United Airlines deal was found by Cheapflights users on 6/20. 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.
Sat 10/245:05 am
HRL
- SJU
1 stop9h 37m
United Airlines
Tue 10/272:46 pm
SJU
- HRL
1 stop9h 05m
United Airlines
Deal found 6/20![United Airlines logo]()
$358
This United Airlines deal was found by Cheapflights users on 6/17. 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.
Sat 9/197:15 am
HRL
- SJU
1 stop7h 27m
United Airlines
Wed 9/302:55 pm
SJU
- HRL
1 stop7h 57m
United Airlines
Deal found 6/17![United Airlines logo]()
$393
This United Airlines deal was found by Cheapflights users on 6/16. 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 9/17:15 am
HRL
- SJU
1 stop7h 27m
United Airlines
Tue 9/87:00 am
SJU
- HRL
1 stop7h 24m
United Airlines
Deal found 6/16![United Airlines logo]()
$393
Last-minute flights from Harlingen to San JuanDiscover last-minute flight deals from Harlingen to San Juan. Data last updated June 21, 2026 and is based on user searches.
Discover last-minute flight deals from Harlingen to San Juan. Data last updated June 21, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 6/18. 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.
Tue 6/302:10 pm
HRL
- SJU
2 stops9h 35m
Southwest
Tue 7/76:30 am
SJU
- HRL
1 stop6h 35m
Southwest
Deal found 6/18![Southwest logo]()
$641
This Southwest deal was found by Cheapflights users on 6/19. 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.
Thu 7/21:00 pm
HRL
- SJU
1 stop10h 25m
Southwest
Wed 7/85:30 am
SJU
- HRL
2 stops11h 45m
Southwest
Deal found 6/19![Southwest logo]()
$685
This Southwest deal was found by Cheapflights users on 6/17. 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 05m
Southwest
Fri 7/1010:20 pm
SJU
- HRL
2 stops12h 10m
Southwest
Deal found 6/17![Southwest logo]()
$656
This Southwest deal was found by Cheapflights users on 6/16. 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.
Wed 7/152:10 pm
HRL
- SJU
2 stops9h 10m
Southwest
Mon 8/36:00 am
SJU
- HRL
2 stops12h 00m
Southwest
Deal found 6/16![Southwest logo]()
$676
This Southwest deal was found by Cheapflights users on 6/19. 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.
Sat 7/182:45 pm
HRL
- SJU
2 stops9h 35m
Southwest
Fri 7/2410:20 pm
SJU
- HRL
2 stops12h 10m
Southwest
Deal found 6/19![Southwest logo]()
$541
This American Airlines deal was found by Cheapflights users on 6/16. 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 7/208:04 pm
HRL
- SJU
2 stops18h 43m
American Airlines
Sat 7/2512:58 am
SJU
- HRL
1 stop10h 14m
American Airlines
Deal found 6/16![American Airlines logo]()
$592
This Southwest deal was found by Cheapflights users on 6/18. 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 7/201:15 pm
HRL
- SJU
2 stops11h 10m
Southwest
Sat 7/256:00 am
SJU
- HRL
2 stops9h 05m
Southwest
Deal found 6/18![Southwest logo]()
$611
This Southwest deal was found by Cheapflights users on 6/20. 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.
Sat 7/2511:25 am
HRL
- SJU
1 stop8h 10m
Southwest
Thu 7/3010:20 pm
SJU
- HRL
2 stops12h 40m
Southwest
Deal found 6/20![Southwest logo]()
$675
This American Airlines deal was found by Cheapflights users on 6/20. 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 7/318:04 pm
HRL
- SJU
1 stop7h 35m
American Airlines
Thu 8/66:00 am
SJU
- HRL
2 stops17h 54m
American Airlines
Deal found 6/20![American Airlines logo]()
$556
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 June 21, 2026.
Search for one-way flight options from Harlingen to San Juan. Find affordable one-way fares based on user searches. Data last updated June 21, 2026.
This United Airlines deal was found by Cheapflights users on 6/18. 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 8/117:15 am
HRL
- SJU
1 stop7h 27m
United Airlines
Deal found 6/18![United Airlines logo]()
$134
This American Airlines deal was found by Cheapflights users on 6/16. 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.
Sun 8/305:54 am
HRL
- SJU
1 stop8h 00m
American Airlines
Deal found 6/16![American Airlines logo]()
$168
This Southwest deal was found by Cheapflights users on 6/20. 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 7/31:00 pm
HRL
- SJU
1 stop10h 25m
Southwest
Deal found 6/20![Southwest logo]()
$323
This American Airlines deal was found by Cheapflights users on 6/20. 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 7/35:00 pm
HRL
- SJU
2 stops20h 12m
American Airlines
Deal found 6/20![American Airlines logo]()
$364
This American Airlines deal was found by Cheapflights users on 6/16. 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 6/268:04 pm
HRL
- SJU
1 stop7h 21m
American Airlines
Deal found 6/16![American Airlines logo]()
$441
This Southwest deal was found by Cheapflights users on 6/16. 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 6/2611:35 am
HRL
- SJU
2 stops11h 00m
Southwest
Deal found 6/16![Southwest logo]()
$468
This United Airlines deal was found by Cheapflights users on 6/18. 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 7/27:20 am
HRL
- SJU
1 stop7h 22m
United Airlines
Deal found 6/18![United Airlines logo]()
$473
This American Airlines deal was found by Cheapflights users on 6/18. 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 7/25:00 pm
HRL
- SJU
2 stops17h 04m
American Airlines
Deal found 6/18![American Airlines logo]()
$509
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 June 21, 2026.
Round-trip from | $228 (American Airlines) |
|---|---|
One-way from | $134 (United Airlines) |
Popular in | October |
Cheapest in | May |
Average price | $590 |
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 June 21, 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
Tue 9/1
5:54 am-2:54 pm
1 stop8h 00m
San Juan Luis Munoz Marin Intl
Tue 9/8
6:00 am-10:54 pm
2 stops17h 54m
$331
HarlingenSan Juan
HRL - SJU
HRLSJU
Harlingen Valley Intl
Mon 8/24
7:15 am-3:42 pm
1 stop7h 27m
San Juan Luis Munoz Marin Intl
Wed 8/26
7:00 am-3:59 pm
1 stop9h 59m
$358
HarlingenSan Juan
HRL - SJU
HRLSJU
Harlingen Valley Intl
Sat 10/24
5:05 am-3:42 pm
1 stop9h 37m
San Juan Luis Munoz Marin Intl
Tue 10/27
2:46 pm-10:51 pm
1 stop9h 05m
$358
HarlingenSan Juan
HRL - SJU
HRLSJU
Harlingen Valley Intl
Sat 9/19
7:15 am-3:42 pm
1 stop7h 27m
San Juan Luis Munoz Marin Intl
Wed 9/30
2:55 pm-9:52 pm
1 stop7h 57m
$393
Quickest round-trip
HarlingenSan Juan
HRL - SJU
HRLSJU
Harlingen Valley Intl
Tue 9/1
7:15 am-3:42 pm
1 stop7h 27m
San Juan Luis Munoz Marin Intl
Tue 9/8
7:00 am-1:24 pm
1 stop7h 24m
$393
Cheapest one-way
HarlingenSan Juan
HRL - SJU
HRLSJU
Harlingen Valley Intl
Tue 8/11
7:15 am-3:42 pm
1 stop7h 27m
$134
HarlingenSan Juan
HRL - SJU
HRLSJU
Harlingen Valley Intl
Sun 8/30
5:04 pm-9:43 am
2 stops15h 39m
$168
HarlingenSan Juan
HRL - SJU
HRLSJU
Harlingen Valley Intl
Fri 7/3
1:00 pm-12:25 am
1 stop10h 25m
$323
HarlingenSan Juan
HRL - SJU
HRLSJU
Harlingen Valley Intl
Fri 7/3
5:00 pm-2:12 pm
2 stops20h 12m
$364
HarlingenSan Juan
HRL - SJU
HRLSJU
Harlingen Valley Intl
Fri 6/26
11:35 am-11:35 pm
2 stops11h 00m
$468
Showing 1-10 of 11 resultsSorted 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 to San Juan?
Currently, January is the cheapest month in which you can book a flight from Harlingen to San Juan (average of $239). Flying from Harlingen to San Juan in December is currently the most expensive (average of $975). 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.
How much does it cost to fly round-trip from Harlingen to San Juan?
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 June 21, 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.
Comfort
8.0
Entertainment
7.5
Overall
7.9
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Comfort
8.0
Entertainment
7.5
Overall
7.9
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Comfort
8.0
Entertainment
7.5
Overall
7.9
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Comfort
8.0
Entertainment
7.5
Overall
7.9
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
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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Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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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 June 21, 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 June 21, 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 June 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$239 | Average$329 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$306 | Average$673 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$525 | Average$631 | FlexibilityNo cancel fee | On-time63% |