$142+ Cheap flights from San Antonio (SAT) to Puerto Rico
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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — SJU
Aug 17 — Aug 241
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from San Antonio to Puerto Rico 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.Cheap flight deals from San Antonio to Puerto Rico
Cheapest
Best
Last-minute
One-way
Cheapest flights from San Antonio to Puerto RicoExplore the most affordable flight options available from San Antonio to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 18, 2026.
Explore the most affordable flight options available from San Antonio to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 18, 2026.
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/227:00 am
SAT
- SJU
2 stops10h 30m
American Airlines
Tue 8/253:44 pm
SJU
- SAT
1 stop17h 49m
American Airlines
Deal found 7/13![American Airlines logo]()
$336
This Kiwi.com deal was found by Cheapflights users on 7/14. 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 8/279:55 am
SAT
- SJU
1 stop13h 04m
Multiple Airlines
Tue 9/15:37 pm
SJU
- SAT
2 stops23h 36m
Multiple Airlines
Deal found 7/14![Multiple Airlines logo]()
$341
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 8/194:53 pm
SAT
- SJU
2 stops30h 41m
Multiple Airlines
Fri 8/288:57 pm
SJU
- SAT
1 stop12h 59m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$346
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/305:00 am
SAT
- SJU
2 stops9h 40m
American Airlines
Mon 10/56:20 am
SJU
- SAT
1 stop16h 38m
American Airlines
Deal found 7/13![American Airlines logo]()
$347
This Kiwi.com deal was found by Cheapflights users on 7/14. 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 8/155:38 pm
SAT
- SJU
2 stops30h 03m
Multiple Airlines
Fri 8/288:57 pm
SJU
- SAT
1 stop12h 59m
Multiple Airlines
Deal found 7/14![Multiple Airlines logo]()
$348
This Kiwi.com deal was found by Cheapflights users on 7/14. 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 8/155:38 pm
SAT
- SJU
2 stops30h 03m
Multiple Airlines
Sun 8/308:57 pm
SJU
- SAT
1 stop12h 59m
Multiple Airlines
Deal found 7/14![Multiple Airlines logo]()
$349
This Kiwi.com deal was found by Cheapflights users on 7/14. 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 8/139:55 am
SAT
- SJU
1 stop13h 12m
Multiple Airlines
Tue 9/15:37 pm
SJU
- SAT
2 stops23h 36m
Multiple Airlines
Deal found 7/14![Multiple Airlines logo]()
$354
This Kiwi.com deal was found by Cheapflights users on 7/15. 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 8/194:53 pm
SAT
- SJU
2 stops30h 41m
Multiple Airlines
Sun 8/308:57 pm
SJU
- SAT
1 stop12h 59m
Multiple Airlines
Deal found 7/15![Multiple Airlines logo]()
$357
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/109:51 am
SAT
- BQN
1 stop15h 19m
Multiple Airlines
Thu 8/2012:04 pm
BQN
- SAT
2 stops53h 54m
Multiple Airlines
Deal found 7/12![Multiple Airlines logo]()
$359
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 8/119:32 pm
SAT
- BQN
2 stops36h 32m
Frontier
Fri 8/143:10 am
BQN
- SAT
1 stop13h 31m
Frontier
Deal found 7/13![Frontier logo]()
$397
This FlightHub deal was found by Cheapflights users on 7/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/219:51 am
SAT
- BQN
1 stop15h 19m
Frontier
Thu 8/273:10 am
BQN
- SAT
1 stop6h 46m
Frontier
Deal found 7/17![Frontier logo]()
$414
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/109:51 am
SAT
- BQN
1 stop15h 19m
Frontier
Thu 8/2012:04 pm
BQN
- SAT
1 stop21h 52m
Frontier
Deal found 7/12![Frontier logo]()
$416
Best flights from San Antonio to Puerto RicoDiscover carefully curated flight deals from San Antonio to Puerto Rico that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 18, 2026.
Discover carefully curated flight deals from San Antonio to Puerto Rico that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 18, 2026.
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.
Tue 10/2011:47 am
SAT
- SJU
2 stops11h 03m
United Airlines
Mon 10/261:05 am
SJU
- SAT
2 stops13h 15m
United Airlines
Deal found 7/12![United Airlines logo]()
$336
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.
Thu 8/2710:46 am
SAT
- SJU
1 stop10h 43m
Delta
Tue 9/12:59 pm
SJU
- SAT
1 stop10h 29m
Delta
Deal found 7/13![Delta logo]()
$336
This Southwest deal was found by Cheapflights users on 7/15. 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 8/2711:50 am
SAT
- SJU
1 stop10h 00m
Southwest
Tue 9/11:20 pm
SJU
- SAT
2 stops9h 20m
Southwest
Deal found 7/15![Southwest logo]()
$356
This Delta deal was found by Cheapflights users on 7/15. 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 11/171:41 pm
SAT
- SJU
1 stop7h 32m
Delta
Wed 12/27:00 am
SJU
- SAT
1 stop8h 00m
Delta
Deal found 7/15![Delta logo]()
$356
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.
Tue 10/1312:55 pm
SAT
- SJU
2 stops9h 50m
Southwest
Fri 10/236:00 am
SJU
- SAT
1 stop13h 50m
Southwest
Deal found 7/13![Southwest logo]()
$381
This United Airlines deal was found by Cheapflights users on 7/15. 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 11/1312:07 pm
SAT
- SJU
1 stop7h 17m
United Airlines
Wed 11/188:05 am
SJU
- SAT
2 stops15h 11m
United Airlines
Deal found 7/15![United Airlines logo]()
$394
This Southwest deal was found by Cheapflights users on 7/17. 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 8/171:00 pm
SAT
- SJU
2 stops9h 50m
Southwest
Mon 8/246:00 am
SJU
- SAT
1 stop12h 30m
Southwest
Deal found 7/17![Southwest logo]()
$388
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 8/109:37 am
SAT
- BQN
2 stops12h 32m
United Airlines
Wed 8/1912:15 am
BQN
- SAT
2 stops11h 21m
United Airlines
Deal found 7/12![United Airlines logo]()
$457
This United Airlines deal was found by Cheapflights users on 7/16. 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.
Mon 12/712:50 pm
SAT
- BQN
1 stop9h 07m
United Airlines
Tue 12/151:09 am
BQN
- SAT
2 stops12h 38m
United Airlines
Deal found 7/16![United Airlines logo]()
$501
This United Airlines deal was found by Cheapflights users on 7/16. 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.
Mon 8/317:35 am
SAT
- BQN
2 stops14h 34m
United Airlines
Tue 9/112:15 am
BQN
- SAT
2 stops17h 16m
United Airlines
Deal found 7/16![United Airlines logo]()
$551
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.
Fri 9/181:00 pm
SAT
- BQN
1 stop9h 09m
United Airlines
Sat 9/1912:15 am
BQN
- SAT
2 stops16h 28m
United Airlines
Deal found 7/13![United Airlines logo]()
$587
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 8/106:27 am
SAT
- BQN
1 stop15h 42m
United Airlines
Wed 8/1212:15 am
BQN
- SAT
2 stops12h 37m
United Airlines
Deal found 7/12![United Airlines logo]()
$624
This United Airlines deal was found by Cheapflights users on 7/17. 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.
Mon 8/177:35 am
SAT
- CPX
2 stops8h 46m
United Airlines
Sat 8/2910:48 am
CPX
- SAT
2 stops11h 28m
United Airlines
Deal found 7/17![United Airlines logo]()
$1,021
This United Airlines deal was found by Cheapflights users on 7/16. 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.
Wed 8/197:35 am
SAT
- CPX
2 stops8h 46m
United Airlines
Sat 8/2910:48 am
CPX
- SAT
2 stops12h 51m
United Airlines
Deal found 7/16![United Airlines logo]()
$1,021
This United Airlines deal was found by Cheapflights users on 7/15. 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 8/187:35 am
SAT
- CPX
2 stops8h 46m
United Airlines
Sat 8/2910:48 am
CPX
- SAT
2 stops11h 28m
United Airlines
Deal found 7/15![United Airlines logo]()
$1,021
This United Airlines deal was found by Cheapflights users on 7/17. 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 8/157:35 am
SAT
- CPX
2 stops8h 46m
United Airlines
Sat 8/2910:48 am
CPX
- SAT
2 stops11h 28m
United Airlines
Deal found 7/17![United Airlines logo]()
$1,046
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 8/104:18 pm
SAT
- VQS
2 stops25h 12m
United Airlines
Mon 8/1711:51 am
VQS
- SAT
2 stops30h 52m
United Airlines
Deal found 7/13![United Airlines logo]()
$1,078
This United Airlines deal was found by Cheapflights users on 7/16. 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 8/185:30 am
SAT
- CPX
2 stops10h 51m
United Airlines
Sun 8/3010:48 am
CPX
- SAT
2 stops12h 51m
United Airlines
Deal found 7/16![United Airlines logo]()
$1,141
This United Airlines deal was found by Cheapflights users on 7/17. 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.
Mon 8/174:12 pm
SAT
- CPX
3 stops24h 09m
United Airlines
Fri 8/2810:48 am
CPX
- SAT
2 stops12h 51m
United Airlines
Deal found 7/17![United Airlines logo]()
$1,146
This United Airlines deal was found by Cheapflights users on 7/14. 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 8/131:00 pm
SAT
- CPX
2 stops27h 21m
United Airlines
Fri 8/2810:48 am
CPX
- SAT
2 stops11h 28m
United Airlines
Deal found 7/14![United Airlines logo]()
$1,146
This United Airlines deal was found by Cheapflights users on 7/14. 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 8/141:00 pm
SAT
- CPX
2 stops27h 21m
United Airlines
Fri 8/2810:48 am
CPX
- SAT
2 stops11h 28m
United Airlines
Deal found 7/14![United Airlines logo]()
$1,171
This United Airlines deal was found by Cheapflights users on 7/16. 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.
Wed 8/127:35 am
SAT
- CPX
2 stops8h 46m
United Airlines
Tue 9/110:48 am
CPX
- SAT
2 stops12h 51m
United Airlines
Deal found 7/16![United Airlines logo]()
$1,277
This United Airlines deal was found by Cheapflights users on 7/16. 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 8/115:30 am
SAT
- CPX
2 stops10h 51m
United Airlines
Wed 9/210:48 am
CPX
- SAT
2 stops11h 28m
United Airlines
Deal found 7/16![United Airlines logo]()
$1,277
This United Airlines deal was found by Cheapflights users on 7/16. 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 9/15:30 am
SAT
- VQS
2 stops12h 00m
United Airlines
Sat 9/511:51 am
VQS
- SAT
2 stops33h 07m
United Airlines
Deal found 7/16![United Airlines logo]()
$5,476
Last-minute flights from San Antonio to Puerto RicoDiscover last-minute flight deals from San Antonio to Puerto Rico. Data last updated July 18, 2026 and is based on user searches.
Discover last-minute flight deals from San Antonio to Puerto Rico. Data last updated July 18, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/109:51 am
SAT
- SJU
1 stop8h 41m
Multiple Airlines
Tue 9/15:37 pm
SJU
- SAT
2 stops23h 36m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$358
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/109:51 am
SAT
- BQN
1 stop15h 19m
Multiple Airlines
Thu 8/2012:04 pm
BQN
- SAT
2 stops53h 54m
Multiple Airlines
Deal found 7/12![Multiple Airlines logo]()
$359
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/109:51 am
SAT
- BQN
1 stop15h 19m
Frontier
Thu 8/2012:04 pm
BQN
- SAT
1 stop21h 52m
Frontier
Deal found 7/12![Frontier logo]()
$416
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 8/119:32 pm
SAT
- BQN
2 stops36h 32m
Frontier
Fri 8/143:10 am
BQN
- SAT
1 stop13h 31m
Frontier
Deal found 7/13![Frontier logo]()
$397
This Kiwi.com deal was found by Cheapflights users on 7/14. 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 8/139:55 am
SAT
- SJU
1 stop13h 12m
Multiple Airlines
Tue 9/15:37 pm
SJU
- SAT
2 stops23h 36m
Multiple Airlines
Deal found 7/14![Multiple Airlines logo]()
$354
This Kiwi.com deal was found by Cheapflights users on 7/14. 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 8/155:38 pm
SAT
- SJU
2 stops30h 03m
Multiple Airlines
Fri 8/288:57 pm
SJU
- SAT
1 stop12h 59m
Multiple Airlines
Deal found 7/14![Multiple Airlines logo]()
$348
This Kiwi.com deal was found by Cheapflights users on 7/14. 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 8/155:38 pm
SAT
- SJU
2 stops30h 03m
Multiple Airlines
Sun 8/308:57 pm
SJU
- SAT
1 stop12h 59m
Multiple Airlines
Deal found 7/14![Multiple Airlines logo]()
$349
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 8/194:53 pm
SAT
- SJU
2 stops30h 41m
Multiple Airlines
Fri 8/288:57 pm
SJU
- SAT
1 stop12h 59m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$346
This Kiwi.com deal was found by Cheapflights users on 7/15. 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 8/194:53 pm
SAT
- SJU
2 stops30h 41m
Multiple Airlines
Sun 8/308:57 pm
SJU
- SAT
1 stop12h 59m
Multiple Airlines
Deal found 7/15![Multiple Airlines logo]()
$357
This FlightHub deal was found by Cheapflights users on 7/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/219:51 am
SAT
- BQN
1 stop15h 19m
Frontier
Thu 8/273:10 am
BQN
- SAT
1 stop6h 46m
Frontier
Deal found 7/17![Frontier logo]()
$414
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/227:00 am
SAT
- SJU
2 stops10h 30m
American Airlines
Tue 8/253:44 pm
SJU
- SAT
1 stop17h 49m
American Airlines
Deal found 7/13![American Airlines logo]()
$336
This Kiwi.com deal was found by Cheapflights users on 7/14. 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 8/279:55 am
SAT
- SJU
1 stop13h 04m
Multiple Airlines
Tue 9/15:37 pm
SJU
- SAT
2 stops23h 36m
Multiple Airlines
Deal found 7/14![Multiple Airlines logo]()
$341
One-way flights from San Antonio to Puerto RicoSearch for one-way flight options from San Antonio to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated July 18, 2026.
Search for one-way flight options from San Antonio to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated July 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/15. 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 9/24:53 pm
SAT
- SJU
2 stops30h 41m
Multiple Airlines
Deal found 7/15![Multiple Airlines logo]()
$142
This Kiwi.com deal was found by Cheapflights users on 7/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/55:38 pm
SAT
- SJU
2 stops29h 56m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$145
This Kiwi.com deal was found by Cheapflights users on 7/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/155:38 pm
SAT
- SJU
2 stops30h 03m
Multiple Airlines
Deal found 7/17![Multiple Airlines logo]()
$149
This Kiwi.com deal was found by Cheapflights users on 7/14. 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 8/2811:30 am
SAT
- SJU
2 stops36h 26m
Multiple Airlines
Deal found 7/14![Multiple Airlines logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 7/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/124:53 pm
SAT
- SJU
2 stops30h 48m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$164
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/318:00 am
SAT
- SJU
2 stops12h 55m
American Airlines
Deal found 7/13![American Airlines logo]()
$168
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/136:00 am
SAT
- SJU
2 stops11h 33m
American Airlines
Deal found 7/13![American Airlines logo]()
$171
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/55:15 am
SAT
- SJU
1 stop12h 18m
American Airlines
Deal found 7/13![American Airlines logo]()
$173
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/254:26 pm
SAT
- BQN
1 stop8h 44m
Frontier
Deal found 7/13![Frontier logo]()
$258
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 7/254:53 pm
SAT
- BQN
2 stops32h 17m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$326
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 7/249:32 pm
SAT
- BQN
2 stops36h 32m
Frontier
Deal found 7/13![Frontier logo]()
$357
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 7/2411:30 am
SAT
- BQN
3 stops23h 04m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$405
Find flight deals from San Antonio to Puerto Rico
Keep the following information in mind while searching for San Antonio to Puerto Rico flight deals. Data was last updated July 18, 2026.
Round-trip from | $336 (Southwest) |
|---|---|
One-way from | $142 (Kiwi.com) |
Popular in | July |
Cheapest in | September |
Average price | $516 |
Good round-trip deal | $515 or less |
Good one-way deal | $176 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from San Antonio to Puerto Rico 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 18, 2026.
Use the filters below to find and compare flights from San Antonio to Puerto Rico that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San AntonioSan Juan
SAT - SJU
SATSJU
San Antonio
Tue 10/20
11:47 am-11:50 pm
2 stops11h 03m
San Juan Luis Munoz Marin Intl
Mon 10/26
1:05 am-1:20 pm
2 stops13h 15m
$336
San AntonioSan Juan
SAT - SJU
SATSJU
San Antonio
Thu 8/27
10:46 am-10:29 pm
1 stop10h 43m
San Juan Luis Munoz Marin Intl
Tue 9/1
2:59 pm-12:28 am
1 stop10h 29m
$336
San AntonioSan Juan
SAT - SJU
SATSJU
San Antonio
Thu 8/27
11:50 am-10:50 pm
1 stop10h 00m
San Juan Luis Munoz Marin Intl
Tue 9/1
1:20 pm-9:40 pm
2 stops9h 20m
$356
Quickest round-trip
San AntonioSan Juan
SAT - SJU
SATSJU
San Antonio
Tue 11/17
1:41 pm-11:13 pm
1 stop7h 32m
San Juan Luis Munoz Marin Intl
Wed 12/2
7:00 am-1:00 pm
1 stop8h 00m
$356
San AntonioSan Juan
SAT - SJU
SATSJU
San Antonio
Tue 10/13
12:55 pm-11:45 pm
2 stops9h 50m
San Juan Luis Munoz Marin Intl
Fri 10/23
6:00 am-6:50 pm
1 stop13h 50m
$381
San AntonioSan Juan
SAT - SJU
SATSJU
San Antonio
Mon 8/17
1:00 pm-11:50 pm
2 stops9h 50m
San Juan Luis Munoz Marin Intl
Mon 8/24
6:00 am-5:30 pm
1 stop12h 30m
$388
San AntonioSan Juan
SAT - SJU
SATSJU
San Antonio
Fri 11/13
12:07 pm-9:24 pm
1 stop7h 17m
San Juan Luis Munoz Marin Intl
Wed 11/18
8:05 am-9:16 pm
2 stops15h 11m
$394
San AntonioAguadilla
SAT - BQN
SATBQN
San Antonio
Mon 8/10
9:37 am-11:09 pm
2 stops12h 32m
Aguadilla Borinquen
Wed 8/19
12:15 am-10:36 am
2 stops11h 21m
$457
San AntonioAguadilla
SAT - BQN
SATBQN
San Antonio
Mon 12/7
12:50 pm-11:57 pm
1 stop9h 07m
Aguadilla Borinquen
Tue 12/15
1:09 am-11:47 am
2 stops12h 38m
$501
San AntonioAguadilla
SAT - BQN
SATBQN
San Antonio
Mon 8/31
7:35 am-11:09 pm
2 stops14h 34m
Aguadilla Borinquen
Tue 9/1
12:15 am-4:31 pm
2 stops17h 16m
$551
Showing 1-10 of 36 resultsSorted by cheapest first
Best time to book a flight from San Antonio to Puerto Rico
Have a flexible travel schedule? Discover the best time to fly to Puerto Rico from San Antonio with our price prediction graph.
SAT-SJU
SAT-BQN
SAT-CPX
SAT-VQS
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 San Antonio to Puerto Rico
SAT-PR0
SAT-SJU
SAT-BQN
SAT-CPX
SAT-VQS
What is the cheapest month to book a flight from San Antonio to Puerto Rico?
Currently, September is the cheapest month in which you can book a flight from San Antonio to Puerto Rico (average of $320). Flying from San Antonio to Puerto Rico in July is currently the most expensive (average of $521). 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 often are flights from San Antonio to Puerto Rico delayed?
About 22% of weekly flights between San Antonio and Puerto Rico have experienced delays in the past year, with the average delay time being 115 minutes.
What is the most punctual flight time for San Antonio to Puerto Rico flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Wednesday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on San Antonio to Puerto Rico flights?
Over the last year, Spirit Airlines have had the lowest number of delays on this route, with just 22% of flights being delayed.
How far ahead should I book a flight from San Antonio to Puerto Rico?
To ensure you get the cheapest price possible for a flight from San Antonio to Puerto Rico, you should look to book at least 15 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.
Reviews of airlines servicing Puerto Rico
Get insights into the airlines that provide service to Puerto Rico. 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 Puerto Rico. Reviews last updated July 18, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andUnited Airlines from San Antonio to Puerto Rico 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
Boarding
8.1
Entertainment
7.5
Food
7.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Related info for your journey
Find useful and relevant information for your journey from San Antonio to Puerto Rico. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top destinations
Alternative routes for San Antonio to Puerto Rico
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Puerto Rico by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from San Antonio to Puerto Rico by cabin class
Find flights from San Antonio to Puerto Rico, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San Antonio and Puerto Rico flights
Browse other San Antonio and Puerto Rico flight options. Last updated on July 18, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
San Antonio to Puerto Rico flights
Consider these flights traveling from San Antonio to Puerto Rico.
Top 5 airlines flying from San Antonio to Puerto Rico
Discover the top 5 airlines that operate flights from San Antonio to Puerto Rico. 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 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$168 | Average$384 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$194 | Average$418 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$202 | Average$496 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$263 | Average$509 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$275 | Average$491 | FlexibilityNo cancel fee | On-time63% |