$240+ Cheap flights from Harlingen (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 10/27. Fares are subject to change and may not be available on all flights or dates of travel.
HRL — SJU
Sep 22 — Sep 291
Round-trip
1 adult, Economy
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Find cheap flights from Harlingen to San Juan with Cheapflights
1. Tell us where you want to go
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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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Harlingen to San Juan
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Best
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One-way
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 August 23, 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 August 23, 2026.
This United Airlines deal was found by Cheapflights users on 8/22. 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 10/275:05 am -
1 stop9h 31m
Wed 11/48:05 am -
2 stops13h 42m
Deal found 8/22![United Airlines logo]()
$240
This United Airlines deal was found by Cheapflights users on 8/18. 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 9/217:15 am -
1 stop7h 27m
Fri 10/97:00 am -
1 stop9h 59m
Deal found 8/18![United Airlines logo]()
$308
This United Airlines deal was found by Cheapflights users on 8/18. 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 9/225:05 am -
1 stop9h 07m
Thu 10/87:00 am -
1 stop9h 59m
Deal found 8/18![United Airlines logo]()
$324
This United Airlines deal was found by Cheapflights users on 8/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/215:05 am -
1 stop9h 37m
Fri 9/251:00 am -
2 stops15h 59m
Deal found 8/19![United Airlines logo]()
$328
This American Airlines deal was found by Cheapflights users on 8/18. 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.
Tue 10/610:40 am -
2 stops22h 06m
Thu 10/84:29 pm -
2 stops18h 39m
Deal found 8/18![American Airlines logo]()
$370
This American Airlines deal was found by Cheapflights users on 8/19. 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.
Tue 10/275:50 am -
1 stop8h 33m
Wed 11/46:55 pm -
2 stops17h 18m
Deal found 8/19![American Airlines logo]()
$374
This American Airlines deal was found by Cheapflights users on 8/20. 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 10/232:46 pm -
1 stop7h 34m
Thu 10/292:18 pm -
2 stops20h 50m
Deal found 8/20![American Airlines logo]()
$399
This United Airlines deal was found by Cheapflights users on 8/22. 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 11/95:05 am -
1 stop9h 31m
Wed 11/117:40 am -
1 stop10h 21m
Deal found 8/22![United Airlines logo]()
$423
This United Airlines deal was found by Cheapflights users on 8/20. 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.
Tue 9/87:15 am -
1 stop6h 57m
Fri 9/111:00 am -
2 stops15h 59m
Deal found 8/20![United Airlines logo]()
$432
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 August 23, 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 August 23, 2026.
This United Airlines deal was found by Cheapflights users on 8/18. 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 9/217:15 am -
1 stop7h 27m
Fri 10/97:00 am -
1 stop9h 59m
Deal found 8/18![United Airlines logo]()
$308
This Southwest deal was found by Cheapflights users on 8/18. 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 9/2110:55 am -
2 stops11h 15m
Fri 10/96:00 am -
2 stops11h 45m
Deal found 8/18![Southwest logo]()
$433
This United Airlines deal was found by Cheapflights users on 8/18. 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 10/65:05 am -
1 stop9h 37m
Thu 10/87:00 am -
1 stop9h 59m
Deal found 8/18![United Airlines logo]()
$308
This United Airlines deal was found by Cheapflights users on 8/18. 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 9/225:05 am -
1 stop9h 07m
Thu 10/87:00 am -
1 stop9h 59m
Deal found 8/18![United Airlines logo]()
$324
This United Airlines deal was found by Cheapflights users on 8/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/215:05 am -
1 stop9h 37m
Fri 9/251:00 am -
2 stops15h 59m
Deal found 8/19![United Airlines logo]()
$328
This United Airlines deal was found by Cheapflights users on 8/21. 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 10/275:05 am -
1 stop9h 31m
Wed 11/47:40 am -
1 stop10h 21m
Deal found 8/21![United Airlines logo]()
$330
This Southwest deal was found by Cheapflights users on 8/20. 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 10/2312:55 pm -
2 stops9h 10m
Thu 10/294:10 pm -
2 stops8h 25m
Deal found 8/20![Southwest logo]()
$448
This United Airlines deal was found by Cheapflights users on 8/22. 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 11/95:05 am -
1 stop9h 31m
Wed 11/111:00 pm -
2 stops11h 48m
Deal found 8/22![United Airlines logo]()
$423
This United Airlines deal was found by Cheapflights users on 8/20. 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.
Tue 9/87:15 am -
1 stop6h 57m
Fri 9/111:00 am -
2 stops15h 59m
Deal found 8/20![United Airlines logo]()
$432
Last-minute flights from Harlingen to San JuanDiscover last-minute flight deals from Harlingen to San Juan. Data last updated August 23, 2026 and is based on user searches.
Discover last-minute flight deals from Harlingen to San Juan. Data last updated August 23, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 8/20. 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.
Tue 9/87:15 am -
1 stop6h 57m
Fri 9/111:00 am -
2 stops15h 59m
Deal found 8/20![United Airlines logo]()
$432
This Southwest deal was found by Cheapflights users on 8/20. 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.
Tue 9/812:35 pm -
2 stops8h 30m
Sat 9/126:25 am -
2 stops10h 25m
Deal found 8/20![Southwest logo]()
$527
This Southwest deal was found by Cheapflights users on 8/20. 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.
Thu 9/1710:55 am -
2 stops11h 15m
Thu 9/242:35 pm -
2 stops9h 05m
Deal found 8/20![Southwest logo]()
$489
This United Airlines deal was found by Cheapflights users on 8/18. 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 9/217:15 am -
1 stop7h 27m
Fri 10/97:00 am -
1 stop9h 59m
Deal found 8/18![United Airlines logo]()
$308
This United Airlines deal was found by Cheapflights users on 8/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/215:05 am -
1 stop9h 37m
Fri 9/251:00 am -
2 stops15h 59m
Deal found 8/19![United Airlines logo]()
$328
This Southwest deal was found by Cheapflights users on 8/18. 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 9/2110:55 am -
2 stops11h 15m
Fri 10/96:00 am -
2 stops11h 45m
Deal found 8/18![Southwest logo]()
$433
This Southwest deal was found by Cheapflights users on 8/19. 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.
Mon 9/2110:55 am -
2 stops11h 15m
Sat 9/266:25 am -
2 stops10h 25m
Deal found 8/19![Southwest logo]()
$462
This United Airlines deal was found by Cheapflights users on 8/18. 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 9/225:05 am -
1 stop9h 07m
Thu 10/87:00 am -
1 stop9h 59m
Deal found 8/18![United Airlines logo]()
$324
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 August 23, 2026.
Search for one-way flight options from Harlingen to San Juan. Find affordable one-way fares based on user searches. Data last updated August 23, 2026.
This Southwest deal was found by Cheapflights users on 8/22. 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 9/27:25 am -
2 stops13h 35m
Deal found 8/22![Southwest logo]()
$279
This United Airlines deal was found by Cheapflights users on 8/22. 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.
Wed 9/27:15 am -
1 stop7h 27m
Deal found 8/22![United Airlines logo]()
$449
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 August 23, 2026.
Round-trip from | $240 (United Airlines) |
|---|---|
Popular in | December |
Cheapest in | May |
Average price | $513 |
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 7,457,451 searches. Data last updated August 23, 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
Quickest round-trip
HarlingenSan Juan
HRL Harlingen Valley Intl - SJU San Juan Luis Munoz Marin Intl
HRLSJU
Harlingen Valley Intl
Mon 9/21
7:15 am-3:42 pm
1 stop7h 27m
San Juan Luis Munoz Marin Intl
Fri 10/9
7:00 am-3:59 pm
1 stop9h 59m
$308
HarlingenSan Juan
HRL Harlingen Valley Intl - SJU San Juan Luis Munoz Marin Intl
HRLSJU
Harlingen Valley Intl
Tue 10/6
5:05 am-3:42 pm
1 stop9h 37m
San Juan Luis Munoz Marin Intl
Thu 10/8
7:00 am-3:59 pm
1 stop9h 59m
$308
HarlingenSan Juan
HRL Harlingen Valley Intl - SJU San Juan Luis Munoz Marin Intl
HRLSJU
Harlingen Valley Intl
Tue 9/22
5:05 am-3:12 pm
1 stop9h 07m
San Juan Luis Munoz Marin Intl
Thu 10/8
7:00 am-3:59 pm
1 stop9h 59m
$324
HarlingenSan Juan
HRL Harlingen Valley Intl - SJU San Juan Luis Munoz Marin Intl
HRLSJU
Harlingen Valley Intl
Mon 9/21
5:05 am-3:42 pm
1 stop9h 37m
San Juan Luis Munoz Marin Intl
Fri 9/25
1:00 am-3:59 pm
2 stops15h 59m
$328
HarlingenSan Juan
HRL Harlingen Valley Intl - SJU San Juan Luis Munoz Marin Intl
HRLSJU
Harlingen Valley Intl
Tue 10/27
5:05 am-3:36 pm
1 stop9h 31m
San Juan Luis Munoz Marin Intl
Wed 11/4
7:40 am-4:01 pm
1 stop10h 21m
$330
HarlingenSan Juan
HRL Harlingen Valley Intl - SJU San Juan Luis Munoz Marin Intl
HRLSJU
Harlingen Valley Intl
Mon 11/9
5:05 am-4:36 pm
1 stop9h 31m
San Juan Luis Munoz Marin Intl
Wed 11/11
1:00 pm-10:48 pm
2 stops11h 48m
$423
HarlingenSan Juan
HRL Harlingen Valley Intl - SJU San Juan Luis Munoz Marin Intl
HRLSJU
Harlingen Valley Intl
Tue 9/8
7:15 am-3:12 pm
1 stop6h 57m
San Juan Luis Munoz Marin Intl
Fri 9/11
1:00 am-3:59 pm
2 stops15h 59m
$432
HarlingenSan Juan
HRL Harlingen Valley Intl - SJU San Juan Luis Munoz Marin Intl
HRLSJU
Harlingen Valley Intl
Mon 9/21
10:55 am-11:10 pm
2 stops11h 15m
San Juan Luis Munoz Marin Intl
Fri 10/9
6:00 am-4:45 pm
2 stops11h 45m
$433
HarlingenSan Juan
HRL Harlingen Valley Intl - SJU San Juan Luis Munoz Marin Intl
HRLSJU
Harlingen Valley Intl
Fri 10/23
12:55 pm-11:05 pm
2 stops9h 10m
San Juan Luis Munoz Marin Intl
Thu 10/29
4:10 pm-11:35 pm
2 stops8h 25m
$448
Cheapest one-way
Quickest one-way
HarlingenSan Juan
HRL Harlingen Valley Intl - SJU San Juan Luis Munoz Marin Intl
HRLSJU
Harlingen Valley Intl
Wed 9/2
7:15 am-3:42 pm
1 stop7h 27m
$449
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 to San Juan?
Currently, May is the cheapest month in which you can book a flight from Harlingen to San Juan (average of $309). Flying from Harlingen to San Juan in December is currently the most expensive (average of $1,051). 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 August 23, 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.
Crew
8.6
Comfort
8.0
Entertainment
7.5
Food
7.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Crew
8.6
Comfort
8.0
Entertainment
7.5
Food
7.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Crew
8.6
Comfort
8.0
Entertainment
7.5
Food
7.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Crew
8.6
Comfort
8.0
Entertainment
7.5
Food
7.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
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 August 23, 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 August 23, 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 7,457,451 searches. Data last updated August 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$239 | Average$309 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$429 | Average$631 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$443 | Average$673 | FlexibilityNo cancel fee | On-time71% |