$194+ Cheap flights from Houston 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 7/20. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — SJU
Aug 12 — Aug 191
Round-trip
1 adult, Economy
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Find cheap flights from Houston 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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Houston to San Juan are usually found in October or August, booked 52 days in advance, depart on a Wednesday or Friday and return on a Friday
Cheap flight deals from Houston to San Juan
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Best
Last-minute
One-way
Cheapest flights from Houston to San JuanExplore the most affordable flight options available from Houston to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 13, 2026.
Explore the most affordable flight options available from Houston to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 13, 2026.
This Southwest deal was found by Cheapflights users on 7/13. 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 8/273:45 pm
HOU
- SJU
1 stop6h 20m
Southwest
Sun 8/305:55 pm
SJU
- HOU
1 stop6h 20m
Southwest
Deal found 7/13![Southwest logo]()
$386
This Kiwi.com deal was found by Cheapflights users on 7/13. 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.
Sat 8/18:37 pm
IAH
- SJU
1 stop26h 51m
Frontier
Sat 8/86:00 am
SJU
- IAH
1 stop10h 05m
Frontier
Deal found 7/13![Frontier logo]()
$386
This Kiwi.com deal was found by Cheapflights users on 7/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/257:23 pm
IAH
- SJU
1 stop11h 34m
Frontier
Thu 8/66:00 am
SJU
- IAH
1 stop10h 05m
Frontier
Deal found 7/9![Frontier logo]()
$387
This Southwest deal was found by Cheapflights users on 7/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/43:45 pm
HOU
- SJU
1 stop6h 20m
Southwest
Sat 9/122:50 pm
SJU
- HOU
1 stop6h 50m
Southwest
Deal found 7/9![Southwest logo]()
$388
This American Airlines deal was found by Cheapflights users on 7/10. 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 8/206:23 pm
IAH
- SJU
1 stop14h 20m
American Airlines
Tue 8/257:24 pm
SJU
- IAH
1 stop15h 47m
American Airlines
Deal found 7/10![American Airlines logo]()
$388
This Kiwi.com deal was found by Cheapflights users on 7/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/61:16 pm
IAH
- SJU
1 stop7h 27m
Frontier
Sun 8/98:37 pm
SJU
- IAH
1 stop13h 08m
Frontier
Deal found 7/9![Frontier logo]()
$389
This Southwest deal was found by Cheapflights users on 7/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1411:00 am
HOU
- SJU
2 stops9h 50m
Southwest
Sat 10/175:00 am
SJU
- HOU
2 stops9h 15m
Southwest
Deal found 7/9![Southwest logo]()
$390
This Kiwi.com deal was found by Cheapflights users on 7/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/38:37 pm
IAH
- SJU
1 stop26h 51m
Frontier
Sat 8/86:00 am
SJU
- IAH
1 stop10h 05m
Frontier
Deal found 7/9![Frontier logo]()
$390
This United Airlines deal was found by Cheapflights users on 7/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2610:10 am
IAH
- SJU
Nonstop4h 32m
United Airlines
Wed 9/302:55 pm
SJU
- IAH
Nonstop4h 48m
United Airlines
Deal found 7/9![United Airlines logo]()
$391
This Kiwi.com deal was found by Cheapflights users on 7/13. 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.
Wed 7/298:37 pm
IAH
- SJU
1 stop26h 51m
Frontier
Sun 8/26:45 am
SJU
- IAH
2 stops25h 35m
Frontier
Deal found 7/13![Frontier logo]()
$392
This American Airlines deal was found by Cheapflights users on 7/9. 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.
Tue 8/49:36 am
HOU
- SJU
1 stop13h 14m
American Airlines
Wed 8/55:45 am
SJU
- HOU
1 stop10h 41m
American Airlines
Deal found 7/9![American Airlines logo]()
$393
This American Airlines deal was found by Cheapflights users on 7/10. 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 9/164:58 pm
IAH
- SJU
1 stop17h 02m
American Airlines
Mon 9/213:35 pm
SJU
- IAH
1 stop17h 53m
American Airlines
Deal found 7/10![American Airlines logo]()
$393
Best flights from Houston to San JuanDiscover carefully curated flight deals from Houston to San Juan that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 13, 2026.
Discover carefully curated flight deals from Houston to San Juan that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 13, 2026.
This United Airlines deal was found by Cheapflights users on 7/10. 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 11/63:05 pm
IAH
- SJU
Nonstop4h 19m
United Airlines
Sat 11/147:40 am
SJU
- IAH
Nonstop5h 06m
United Airlines
Deal found 7/10![United Airlines logo]()
$391
This Southwest deal was found by Cheapflights users on 7/13. 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 10/129:50 pm
HOU
- SJU
1 stop10h 20m
Southwest
Sat 10/175:00 am
SJU
- HOU
2 stops9h 15m
Southwest
Deal found 7/13![Southwest logo]()
$421
This Delta deal was found by Cheapflights users on 7/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/251:13 pm
HOU
- SJU
1 stop8h 16m
Delta
Tue 9/112:56 pm
SJU
- HOU
1 stop10h 09m
Delta
Deal found 7/13![Delta logo]()
$466
This United Airlines deal was found by Cheapflights users on 7/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2710:10 am
IAH
- SJU
Nonstop4h 32m
United Airlines
Tue 10/61:25 pm
SJU
- IAH
1 stop10h 19m
United Airlines
Deal found 7/9![United Airlines logo]()
$396
This Southwest deal was found by Cheapflights users on 7/10. 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.
Tue 8/42:45 pm
HOU
- SJU
1 stop6h 15m
Southwest
Tue 8/115:15 am
SJU
- HOU
2 stops9h 35m
Southwest
Deal found 7/10![Southwest logo]()
$428
This United Airlines deal was found by Cheapflights users on 7/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/263:06 pm
IAH
- SJU
Nonstop4h 32m
United Airlines
Wed 9/23:56 pm
SJU
- IAH
1 stop9h 31m
United Airlines
Deal found 7/9![United Airlines logo]()
$396
This Delta deal was found by Cheapflights users on 7/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/236:00 am
HOU
- SJU
1 stop6h 42m
Delta
Sat 8/297:00 am
SJU
- HOU
1 stop10h 25m
Delta
Deal found 7/12![Delta logo]()
$466
This Southwest deal was found by Cheapflights users on 7/10. 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 8/101:15 pm
HOU
- SJU
1 stop9h 35m
Southwest
Sat 8/155:05 am
SJU
- HOU
2 stops9h 40m
Southwest
Deal found 7/10![Southwest logo]()
$428
This Delta deal was found by Cheapflights users on 7/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/56:00 am
HOU
- SJU
1 stop9h 49m
Delta
Fri 10/912:46 pm
SJU
- HOU
1 stop11h 23m
Delta
Deal found 7/10![Delta logo]()
$466
This Southwest deal was found by Cheapflights users on 7/10. 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.
Thu 9/1710:00 am
HOU
- SJU
2 stops11h 50m
Southwest
Sun 9/205:30 am
SJU
- HOU
2 stops15h 10m
Southwest
Deal found 7/10![Southwest logo]()
$428
This United Airlines deal was found by Cheapflights users on 7/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/110:13 am
IAH
- SJU
Nonstop4h 23m
United Airlines
Thu 11/54:55 pm
SJU
- IAH
1 stop9h 35m
United Airlines
Deal found 7/11![United Airlines logo]()
$462
This Southwest deal was found by Cheapflights users on 7/11. 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.
Sun 11/81:30 pm
HOU
- SJU
2 stops9h 25m
Southwest
Sun 11/157:30 am
SJU
- HOU
2 stops8h 30m
Southwest
Deal found 7/11![Southwest logo]()
$466
This United Airlines deal was found by Cheapflights users on 7/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/83:06 pm
IAH
- SJU
Nonstop4h 32m
United Airlines
Mon 10/122:55 pm
SJU
- IAH
Nonstop4h 48m
United Airlines
Deal found 7/9![United Airlines logo]()
$469
This Southwest deal was found by Cheapflights users on 7/11. 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 8/102:40 pm
HOU
- SJU
2 stops8h 10m
Southwest
Mon 8/176:00 am
SJU
- HOU
2 stops9h 40m
Southwest
Deal found 7/11![Southwest logo]()
$496
This United Airlines deal was found by Cheapflights users on 7/13. 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 9/2812:02 pm
IAH
- SJU
1 stop10h 48m
United Airlines
Sat 10/37:00 am
SJU
- IAH
Nonstop4h 45m
United Airlines
Deal found 7/13![United Airlines logo]()
$507
This Southwest deal was found by Cheapflights users on 7/11. 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.
Sat 9/58:10 am
HOU
- SJU
2 stops8h 55m
Southwest
Tue 9/81:45 pm
SJU
- HOU
2 stops10h 00m
Southwest
Deal found 7/11![Southwest logo]()
$506
This United Airlines deal was found by Cheapflights users on 7/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/13:03 pm
IAH
- SJU
Nonstop4h 35m
United Airlines
Mon 8/32:05 am
SJU
- IAH
Nonstop4h 56m
United Airlines
Deal found 7/9![United Airlines logo]()
$519
This United Airlines deal was found by Cheapflights users on 7/12. 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 12/73:04 pm
IAH
- SJU
Nonstop4h 22m
United Airlines
Mon 12/142:05 am
SJU
- IAH
1 stop10h 03m
United Airlines
Deal found 7/12![United Airlines logo]()
$537
This United Airlines deal was found by Cheapflights users on 7/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/33:06 pm
IAH
- SJU
Nonstop4h 32m
United Airlines
Sat 9/127:00 am
SJU
- IAH
Nonstop4h 45m
United Airlines
Deal found 7/9![United Airlines logo]()
$549
This United Airlines deal was found by Cheapflights users on 7/12. 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 10/1710:10 am
IAH
- SJU
Nonstop4h 32m
United Airlines
Sat 10/243:56 pm
SJU
- IAH
1 stop9h 34m
United Airlines
Deal found 7/12![United Airlines logo]()
$552
This United Airlines deal was found by Cheapflights users on 7/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2811:56 pm
IAH
- SJU
Nonstop4h 33m
United Airlines
Mon 8/32:05 am
SJU
- IAH
Nonstop4h 56m
United Airlines
Deal found 7/11![United Airlines logo]()
$572
Last-minute flights from Houston to San JuanDiscover last-minute flight deals from Houston to San Juan. Data last updated July 13, 2026 and is based on user searches.
Discover last-minute flight deals from Houston to San Juan. Data last updated July 13, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/257:23 pm
IAH
- SJU
1 stop11h 34m
Frontier
Thu 8/66:00 am
SJU
- IAH
1 stop10h 05m
Frontier
Deal found 7/9![Frontier logo]()
$387
This Kiwi.com deal was found by Cheapflights users on 7/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/268:20 am
IAH
- SJU
1 stop6h 45m
Frontier
Thu 7/306:00 am
SJU
- IAH
1 stop9h 50m
Frontier
Deal found 7/10![Frontier logo]()
$393
This Kiwi.com deal was found by Cheapflights users on 7/13. 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.
Wed 7/298:37 pm
IAH
- SJU
1 stop26h 51m
Frontier
Sun 8/26:45 am
SJU
- IAH
2 stops25h 35m
Frontier
Deal found 7/13![Frontier logo]()
$392
This Kiwi.com deal was found by Cheapflights users on 7/13. 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.
Sat 8/18:37 pm
IAH
- SJU
1 stop26h 51m
Frontier
Sat 8/86:00 am
SJU
- IAH
1 stop10h 05m
Frontier
Deal found 7/13![Frontier logo]()
$386
This Kiwi.com deal was found by Cheapflights users on 7/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/38:37 pm
IAH
- SJU
1 stop26h 51m
Frontier
Sat 8/86:00 am
SJU
- IAH
1 stop10h 05m
Frontier
Deal found 7/9![Frontier logo]()
$390
This American Airlines deal was found by Cheapflights users on 7/9. 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.
Tue 8/49:36 am
HOU
- SJU
1 stop13h 14m
American Airlines
Wed 8/55:45 am
SJU
- HOU
1 stop10h 41m
American Airlines
Deal found 7/9![American Airlines logo]()
$393
This Kiwi.com deal was found by Cheapflights users on 7/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/61:16 pm
IAH
- SJU
1 stop7h 27m
Frontier
Sun 8/98:37 pm
SJU
- IAH
1 stop13h 08m
Frontier
Deal found 7/9![Frontier logo]()
$389
This Southwest deal was found by Cheapflights users on 7/10. 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 8/71:15 pm
HOU
- SJU
1 stop9h 35m
Southwest
Fri 8/146:00 am
SJU
- HOU
1 stop6h 05m
Southwest
Deal found 7/10![Southwest logo]()
$390
This JetBlue deal was found by Cheapflights users on 7/13. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/101:00 pm
IAH
- SJU
1 stop6h 27m
JetBlue
Sat 8/157:00 am
SJU
- IAH
1 stop9h 47m
JetBlue
Deal found 7/13![JetBlue logo]()
$391
This American Airlines deal was found by Cheapflights users on 7/10. 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 8/206:23 pm
IAH
- SJU
1 stop14h 20m
American Airlines
Tue 8/257:24 pm
SJU
- IAH
1 stop15h 47m
American Airlines
Deal found 7/10![American Airlines logo]()
$388
This Southwest deal was found by Cheapflights users on 7/13. 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 8/273:45 pm
HOU
- SJU
1 stop6h 20m
Southwest
Sun 8/305:55 pm
SJU
- HOU
1 stop6h 20m
Southwest
Deal found 7/13![Southwest logo]()
$386
This Southwest deal was found by Cheapflights users on 7/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/297:25 am
HOU
- SJU
1 stop13h 30m
Southwest
Sat 9/52:50 pm
SJU
- HOU
1 stop6h 50m
Southwest
Deal found 7/9![Southwest logo]()
$388
One-way flights from Houston to San JuanSearch for one-way flight options from Houston to San Juan. Find affordable one-way fares based on user searches. Data last updated July 13, 2026.
Search for one-way flight options from Houston to San Juan. Find affordable one-way fares based on user searches. Data last updated July 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/13. 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.
Mon 7/208:37 pm
IAH
- SJU
1 stop26h 51m
Frontier
Deal found 7/13![Frontier logo]()
$194
This Kiwi.com deal was found by Cheapflights users on 7/13. 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.
Fri 8/148:03 pm
HOU
- SJU
2 stops43h 08m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$196
This United Airlines deal was found by Cheapflights users on 7/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2610:10 am
IAH
- SJU
Nonstop4h 32m
United Airlines
Deal found 7/9![United Airlines logo]()
$196
This Southwest deal was found by Cheapflights users on 7/13. 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 8/141:15 pm
HOU
- SJU
1 stop9h 35m
Southwest
Deal found 7/13![Southwest logo]()
$198
This Expedia deal was found by Cheapflights users on 7/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/116:35 am
IAH
- SJU
2 stops9h 16m
JetBlue
Deal found 7/9![JetBlue logo]()
$198
This American Airlines deal was found by Cheapflights users on 7/10. 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.
Tue 8/115:41 am
HOU
- SJU
2 stops11h 52m
American Airlines
Deal found 7/10![American Airlines logo]()
$199
This American Airlines deal was found by Cheapflights users on 7/10. 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 9/116:00 am
IAH
- SJU
2 stops13h 47m
American Airlines
Deal found 7/10![American Airlines logo]()
$199
This Southwest deal was found by Cheapflights users on 7/10. 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.
Wed 8/1211:20 am
HOU
- SJU
2 stops8h 45m
Southwest
Deal found 7/10![Southwest logo]()
$200
This Kiwi.com deal was found by Cheapflights users on 7/13. 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.
Tue 7/218:37 pm
IAH
- SJU
1 stop26h 51m
Frontier
Deal found 7/13![Frontier logo]()
$200
This Kiwi.com deal was found by Cheapflights users on 7/13. 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.
Tue 7/2810:53 am
IAH
- SJU
2 stops26h 07m
Frontier
Deal found 7/13![Frontier logo]()
$201
This Cheapflightsfares deal was found by Cheapflights users on 7/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/131:00 pm
IAH
- SJU
1 stop6h 27m
JetBlue
Deal found 7/9![JetBlue logo]()
$203
This American Airlines deal was found by Cheapflights users on 7/10. 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 10/78:24 pm
HOU
- SJU
1 stop17h 59m
American Airlines
Deal found 7/10![American Airlines logo]()
$204
Find flight deals from Houston to San Juan
Discover tips and strategies to find the most affordable flight options for your journey from Houston (HO1) 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 July 13, 2026.
Round-trip from | $386 (Southwest) |
|---|---|
One-way from | $194 (Kiwi.com) |
Popular in | June |
Cheapest in | October |
Average price | $497 |
Cheapflights Fare Finder
Customize your flight search to find flights from Houston 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 July 13, 2026.
Use the filters below to find and compare flights from Houston to San Juan that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
HoustonSan Juan
IAH - SJU
IAHSJU
Houston George Bush Intcntl
Fri 11/6
3:05 pm-9:24 pm
Nonstop4h 19m
San Juan Luis Munoz Marin Intl
Sat 11/14
7:40 am-10:46 am
Nonstop5h 06m
$391
HoustonSan Juan
IAH - SJU
IAHSJU
Houston George Bush Intcntl
Sun 9/27
10:10 am-3:42 pm
Nonstop4h 32m
San Juan Luis Munoz Marin Intl
Tue 10/6
1:25 pm-10:44 pm
1 stop10h 19m
$396
HoustonSan Juan
IAH - SJU
IAHSJU
Houston George Bush Intcntl
Wed 8/26
3:06 pm-8:38 pm
Nonstop4h 32m
San Juan Luis Munoz Marin Intl
Wed 9/2
3:56 pm-12:27 am
1 stop9h 31m
$396
HoustonSan Juan
HOU - SJU
HOUSJU
Houston Hobby
Mon 10/12
9:50 pm-9:10 am
1 stop10h 20m
San Juan Luis Munoz Marin Intl
Sat 10/17
5:00 am-1:15 pm
2 stops9h 15m
$421
HoustonSan Juan
HOU - SJU
HOUSJU
Houston Hobby
Tue 8/4
2:45 pm-10:00 pm
1 stop6h 15m
San Juan Luis Munoz Marin Intl
Tue 8/11
5:15 am-1:50 pm
2 stops9h 35m
$428
HoustonSan Juan
HOU - SJU
HOUSJU
Houston Hobby
Mon 8/10
1:15 pm-11:50 pm
1 stop9h 35m
San Juan Luis Munoz Marin Intl
Sat 8/15
5:05 am-1:45 pm
2 stops9h 40m
$428
HoustonSan Juan
HOU - SJU
HOUSJU
Houston Hobby
Thu 9/17
10:00 am-10:50 pm
2 stops11h 50m
San Juan Luis Munoz Marin Intl
Sun 9/20
5:30 am-7:40 pm
2 stops15h 10m
$428
HoustonSan Juan
IAH - SJU
IAHSJU
Houston George Bush Intcntl
Sun 11/1
10:13 am-4:36 pm
Nonstop4h 23m
San Juan Luis Munoz Marin Intl
Thu 11/5
4:55 pm-12:30 am
1 stop9h 35m
$462
HoustonSan Juan
HOU - SJU
HOUSJU
Houston Hobby
Tue 8/25
1:13 pm-10:29 pm
1 stop8h 16m
San Juan Luis Munoz Marin Intl
Tue 9/1
12:56 pm-10:05 pm
1 stop10h 09m
$466
HoustonSan Juan
HOU - SJU
HOUSJU
Houston Hobby
Sun 8/23
6:00 am-1:42 pm
1 stop6h 42m
San Juan Luis Munoz Marin Intl
Sat 8/29
7:00 am-4:25 pm
1 stop10h 25m
$466
Showing 1-10 of 44 resultsSorted by cheapest first
Best time to book a flight from Houston to San Juan
Have a flexible travel schedule? Discover the best time to fly to San Juan from Houston with our price prediction graph.
HO1-PR1
HOU-SJU
IAH-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 Houston to San Juan
HO1-PR1
HOU-SJU
IAH-SJU
What is the cheapest month to book a flight from Houston to San Juan?
Currently, January is the cheapest month in which you can book a flight from Houston to San Juan (average of $58). Flying from Houston to San Juan in June is currently the most expensive (average of $993). 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 HOU to SJU?
Find hourly flight availability from Houston to San Juan. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 13, 2026.
A simple way to save on the total cost of your ticket is to fly from Houston to San Juan at noon. If you’re flexible enough to do this you can expect to save up to 21% on your trip compared to booking a flight in the afternoon.
How much does it cost to fly round-trip from Houston to San Juan?
How often are flights from Houston to San Juan delayed?
About 26% of weekly flights between Houston and San Juan have experienced delays in the past year, with the average delay time being 117 minutes.
What is the most punctual flight time for Houston to San Juan flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Friday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Houston to San Juan flights?
Over the last year, Southwest have had the lowest number of delays on this route, with just 26% of flights being delayed.
How far ahead should I book a flight from Houston to San Juan?
To ensure you get the cheapest price possible for a flight from Houston to San Juan, you should look to book at least 14 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest day to fly from Houston to San Juan?
Use this chart to determine the cheapest time to fly round-trip from Houston to San Juan. Price data was last updated on April 11, 2026.
Travelers seeking maximum savings on their Houston to San Juan flight should consider departing on Thursday at noon when fares are most often at their lowest. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
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 July 13, 2026.
See what other customers who have flown with Southwest,Delta, andUnited Airlines from Houston to San Juan have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Entertainment
7.5
Overall
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Comfort
8.0
Entertainment
7.5
Overall
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Comfort
8.0
Entertainment
7.5
Overall
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Comfort
8.0
Entertainment
7.5
Overall
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Comfort
8.0
Entertainment
7.5
Overall
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Comfort
8.0
Entertainment
7.5
Overall
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Related info for your journey
Find useful and relevant information for your journey from Houston 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 Houston 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 Houston to San Juan by cabin class
Find flights from Houston to San Juan, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Houston and San Juan flights
Browse other Houston and San Juan flight options. Last updated on July 13, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 6 airlines flying from Houston to San Juan
Discover the top 6 airlines that operate flights from Houston 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 July 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$108 | Average$496 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$148 | Average$372 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$175 | Average$473 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$223 | Average$456 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$299 | Average$583 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$376 | Average$523 | FlexibilityNo cancel fee | On-time63% |