$159+ Cheap flights from Austin (AUS) 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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — SJU
Jul 26 — Aug 21
Round-trip
1 adult, Economy
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Find cheap flights from Austin to Puerto Rico with Cheapflights
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Cheapest flights from Austin to Puerto RicoExplore the most affordable flight options available from Austin to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 26, 2026.
Explore the most affordable flight options available from Austin to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 26, 2026.
This Delta deal was found by Cheapflights users on 6/24. 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.
Fri 9/410:42 am
AUS
- SJU
1 stop10h 47m
Delta
Sun 9/65:49 pm
SJU
- AUS
1 stop7h 29m
Delta
Deal found 6/24![Delta logo]()
$366
This United Airlines deal was found by Cheapflights users on 6/24. 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 9/26:35 am
AUS
- BQN
2 stops15h 34m
United Airlines
Sat 9/512:15 am
BQN
- AUS
2 stops11h 51m
United Airlines
Deal found 6/24![United Airlines logo]()
$366
This United Airlines deal was found by Cheapflights users on 6/25. 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 8/149:33 am
AUS
- SJU
2 stops13h 17m
United Airlines
Sun 8/161:00 am
SJU
- AUS
1 stop9h 26m
United Airlines
Deal found 6/25![United Airlines logo]()
$367
This United Airlines deal was found by Cheapflights users on 6/22. 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 8/57:44 pm
AUS
- SJU
1 stop8h 45m
United Airlines
Tue 8/111:00 am
SJU
- AUS
1 stop9h 26m
United Airlines
Deal found 6/22![United Airlines logo]()
$369
This American Airlines deal was found by Cheapflights users on 6/25. 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 8/195:00 am
AUS
- SJU
1 stop8h 38m
American Airlines
Mon 8/247:30 am
SJU
- AUS
1 stop15h 56m
American Airlines
Deal found 6/25![American Airlines logo]()
$371
This American Airlines deal was found by Cheapflights users on 6/24. 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 9/285:35 pm
AUS
- SJU
2 stops16h 25m
American Airlines
Wed 10/78:30 am
SJU
- AUS
1 stop10h 04m
American Airlines
Deal found 6/24![American Airlines logo]()
$373
This United Airlines deal was found by Cheapflights users on 6/24. 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 9/55:30 am
AUS
- SJU
1 stop9h 12m
United Airlines
Sat 9/121:00 am
SJU
- AUS
2 stops11h 58m
United Airlines
Deal found 6/24![United Airlines logo]()
$375
This Delta deal was found by Cheapflights users on 6/25. 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.
Fri 8/211:34 pm
AUS
- SJU
1 stop7h 55m
Delta
Mon 8/317:00 am
SJU
- AUS
1 stop9h 50m
Delta
Deal found 6/25![Delta logo]()
$376
This Priceline deal was found by Cheapflights users on 6/24. 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.
Wed 7/2210:43 am
AUS
- PSE
1 stop21h 23m
Frontier
Tue 7/2810:32 am
PSE
- AUS
1 stop24h 00m
Frontier
Deal found 6/24![Frontier logo]()
$376
This United Airlines deal was found by Cheapflights users on 6/22. 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 8/57:10 am
AUS
- BQN
2 stops14h 59m
United Airlines
Tue 8/1812:15 am
BQN
- AUS
1 stop10h 11m
United Airlines
Deal found 6/22![United Airlines logo]()
$376
This United Airlines deal was found by Cheapflights users on 6/25. 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 8/299:00 am
AUS
- SJU
2 stops13h 50m
United Airlines
Sat 9/51:00 am
SJU
- AUS
2 stops11h 06m
United Airlines
Deal found 6/25![United Airlines logo]()
$377
This Kiwi.com deal was found by Cheapflights users on 6/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1910:55 am
AUS
- SJU
1 stop23h 11m
Multiple Airlines
Sun 8/237:00 am
SJU
- AUS
2 stops27h 50m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$378
Best flights from Austin to Puerto RicoDiscover carefully curated flight deals from Austin to Puerto Rico that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 26, 2026.
Discover carefully curated flight deals from Austin to Puerto Rico that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 26, 2026.
This Priceline deal was found by Cheapflights users on 6/24. 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.
Wed 7/2210:43 am
AUS
- PSE
1 stop21h 23m
Frontier
Tue 7/2810:32 am
PSE
- AUS
1 stop24h 00m
Frontier
Deal found 6/24![Frontier logo]()
$376
This Southwest deal was found by Cheapflights users on 6/22. 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.
Sun 8/98:45 am
AUS
- SJU
1 stop13h 00m
Southwest
Tue 8/116:00 am
SJU
- AUS
2 stops11h 20m
Southwest
Deal found 6/22![Southwest logo]()
$386
This Delta deal was found by Cheapflights users on 6/24. 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.
Fri 8/141:34 pm
AUS
- SJU
1 stop7h 55m
Delta
Tue 8/1812:56 pm
SJU
- AUS
1 stop10h 56m
Delta
Deal found 6/24![Delta logo]()
$386
This Cheapflightsfares deal was found by Cheapflights users on 6/24. 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.
Tue 7/213:20 pm
AUS
- PSE
1 stop7h 39m
JetBlue
Tue 7/285:01 am
PSE
- AUS
1 stop10h 05m
JetBlue
Deal found 6/24![JetBlue logo]()
$401
This United Airlines deal was found by Cheapflights users on 6/24. 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 9/289:39 am
AUS
- SJU
2 stops13h 11m
United Airlines
Thu 10/17:00 am
SJU
- AUS
1 stop7h 18m
United Airlines
Deal found 6/24![United Airlines logo]()
$436
This Southwest deal was found by Cheapflights users on 6/26. 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 12/47:50 pm
AUS
- SJU
1 stop12h 10m
Southwest
Tue 12/157:40 am
SJU
- AUS
2 stops9h 25m
Southwest
Deal found 6/26![Southwest logo]()
$386
This Delta deal was found by Cheapflights users on 6/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/95:40 am
AUS
- SJU
1 stop9h 45m
Delta
Sat 12/192:10 pm
SJU
- AUS
1 stop8h 49m
Delta
Deal found 6/22![Delta logo]()
$396
This Cheapflightsfares deal was found by Cheapflights users on 6/25. 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.
Sat 8/13:20 pm
AUS
- PSE
1 stop7h 39m
JetBlue
Tue 8/185:01 am
PSE
- AUS
1 stop9h 58m
JetBlue
Deal found 6/25![JetBlue logo]()
$401
This Priceline deal was found by Cheapflights users on 6/25. 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.
Fri 7/1710:42 am
AUS
- PSE
1 stop22h 04m
Frontier
Thu 7/3010:06 am
PSE
- AUS
1 stop24h 26m
Frontier
Deal found 6/25![Frontier logo]()
$416
This Southwest deal was found by Cheapflights users on 6/26. 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 9/67:50 am
AUS
- SJU
2 stops8h 30m
Southwest
Thu 9/102:35 pm
SJU
- AUS
2 stops9h 30m
Southwest
Deal found 6/26![Southwest logo]()
$386
This United Airlines deal was found by Cheapflights users on 6/25. 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 11/169:39 am
AUS
- SJU
2 stops10h 43m
United Airlines
Sat 11/217:40 am
SJU
- AUS
1 stop9h 29m
United Airlines
Deal found 6/25![United Airlines logo]()
$436
This JetBlue deal was found by Cheapflights users on 6/22. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/41:00 pm
AUS
- PSE
1 stop9h 59m
JetBlue
Tue 8/115:01 am
PSE
- AUS
1 stop9h 58m
JetBlue
Deal found 6/22![JetBlue logo]()
$409
This United deal was found by Cheapflights users on 6/22. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/3012:00 pm
AUS
- CPX
2 stops25h 39m
Multiple Airlines
Mon 8/35:41 pm
CPX
- AUS
2 stops27h 54m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$944
This Southwest deal was found by Cheapflights users on 6/23. 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 8/211:00 pm
AUS
- SJU
2 stops9h 50m
Southwest
Sun 8/305:00 am
SJU
- AUS
2 stops9h 55m
Southwest
Deal found 6/23![Southwest logo]()
$396
This United Airlines deal was found by Cheapflights users on 6/25. 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 8/1812:12 pm
AUS
- SJU
1 stop7h 26m
United Airlines
Sat 9/121:25 pm
SJU
- AUS
1 stop10h 33m
United Airlines
Deal found 6/25![United Airlines logo]()
$436
This JetBlue deal was found by Cheapflights users on 6/22. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/253:20 pm
AUS
- PSE
1 stop7h 39m
JetBlue
Sat 8/15:01 am
PSE
- AUS
1 stop10h 13m
JetBlue
Deal found 6/22![JetBlue logo]()
$409
This Kiwi.com deal was found by Cheapflights users on 6/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/35:34 pm
AUS
- BQN
2 stops31h 36m
Frontier
Fri 9/1110:52 am
BQN
- AUS
1 stop24h 20m
Frontier
Deal found 6/22![Frontier logo]()
$485
This United Airlines deal was found by Cheapflights users on 6/22. 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.
Sun 9/612:12 pm
AUS
- SJU
1 stop7h 26m
United Airlines
Thu 9/102:20 pm
SJU
- AUS
1 stop7h 47m
United Airlines
Deal found 6/22![United Airlines logo]()
$446
This JetBlue deal was found by Cheapflights users on 6/26. 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.
Sat 7/251:00 pm
AUS
- PSE
1 stop9h 59m
JetBlue
Mon 7/275:01 am
PSE
- AUS
1 stop7h 47m
JetBlue
Deal found 6/26![JetBlue logo]()
$418
This United Airlines deal was found by Cheapflights users on 6/23. 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 8/159:00 am
AUS
- BQN
2 stops13h 09m
United Airlines
Thu 8/2012:15 am
BQN
- AUS
1 stop10h 11m
United Airlines
Deal found 6/23![United Airlines logo]()
$456
This JetBlue deal was found by Cheapflights users on 6/25. 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.
Thu 7/231:00 pm
AUS
- PSE
1 stop9h 59m
JetBlue
Tue 7/285:01 am
PSE
- AUS
1 stop10h 05m
JetBlue
Deal found 6/25![JetBlue logo]()
$418
This Southwest deal was found by Cheapflights users on 6/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/127:40 pm
AUS
- SJU
1 stop12h 25m
Southwest
Fri 10/1612:00 pm
SJU
- AUS
2 stops9h 15m
Southwest
Deal found 6/21![Southwest logo]()
$466
This JetBlue deal was found by Cheapflights users on 6/26. 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.
Wed 7/223:04 pm
AUS
- PSE
1 stop7h 55m
JetBlue
Fri 7/315:01 am
PSE
- AUS
1 stop10h 05m
JetBlue
Deal found 6/26![JetBlue logo]()
$418
This United Airlines deal was found by Cheapflights users on 6/24. 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 7/89:35 am
AUS
- BQN
2 stops12h 34m
United Airlines
Tue 7/2112:15 am
BQN
- AUS
1 stop9h 46m
United Airlines
Deal found 6/24![United Airlines logo]()
$466
This JetBlue deal was found by Cheapflights users on 6/24. 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.
Wed 8/263:04 pm
AUS
- BQN
1 stop8h 29m
JetBlue
Thu 8/275:01 am
BQN
- AUS
1 stop9h 58m
JetBlue
Deal found 6/24![JetBlue logo]()
$443
This JetBlue deal was found by Cheapflights users on 6/21. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/13:04 pm
AUS
- BQN
1 stop8h 29m
JetBlue
Wed 9/25:01 am
BQN
- AUS
1 stop7h 47m
JetBlue
Deal found 6/21![JetBlue logo]()
$443
This United Airlines deal was found by Cheapflights users on 6/25. 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 7/226:40 am
AUS
- BQN
2 stops15h 29m
United Airlines
Mon 7/2712:15 am
BQN
- AUS
1 stop9h 47m
United Airlines
Deal found 6/25![United Airlines logo]()
$539
This JetBlue deal was found by Cheapflights users on 6/25. 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.
Fri 7/103:04 pm
AUS
- BQN
1 stop8h 29m
JetBlue
Sat 7/255:01 am
BQN
- AUS
1 stop7h 47m
JetBlue
Deal found 6/25![JetBlue logo]()
$528
This United Airlines deal was found by Cheapflights users on 6/22. 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 7/75:20 pm
AUS
- MAZ
2 stops45h 51m
United Airlines
Tue 7/141:19 pm
MAZ
- AUS
2 stops21h 38m
United Airlines
Deal found 6/22![United Airlines logo]()
$1,453
This United Airlines deal was found by Cheapflights users on 6/26. 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 7/205:30 am
AUS
- CPX
2 stops10h 51m
United Airlines
Tue 7/2810:48 am
CPX
- AUS
2 stops13h 24m
United Airlines
Deal found 6/26![United Airlines logo]()
$1,727
Last-minute flights from Austin to Puerto RicoDiscover last-minute flight deals from Austin to Puerto Rico. Data last updated June 26, 2026 and is based on user searches.
Discover last-minute flight deals from Austin to Puerto Rico. Data last updated June 26, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 6/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/145:34 pm
AUS
- SJU
2 stops30h 07m
Frontier
Tue 7/215:15 pm
SJU
- AUS
1 stop20h 23m
Frontier
Deal found 6/21![Frontier logo]()
$390
This United Airlines deal was found by Cheapflights users on 6/26. 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 7/186:35 am
AUS
- BQN
2 stops15h 34m
United Airlines
Tue 7/2112:15 am
BQN
- AUS
1 stop9h 46m
United Airlines
Deal found 6/26![United Airlines logo]()
$384
This Priceline deal was found by Cheapflights users on 6/26. 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 7/185:23 pm
AUS
- BQN
1 stop16h 41m
Frontier
Tue 7/213:10 am
BQN
- AUS
1 stop7h 22m
Frontier
Deal found 6/26![Frontier logo]()
$396
This Kiwi.com deal was found by Cheapflights users on 6/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/181:33 pm
AUS
- SJU
2 stops47h 22m
Frontier
Tue 7/215:15 pm
SJU
- AUS
1 stop20h 23m
Frontier
Deal found 6/22![Frontier logo]()
$407
This Kiwi.com deal was found by Cheapflights users on 6/23. 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 7/215:34 pm
AUS
- SJU
2 stops43h 21m
Frontier
Tue 8/116:26 pm
SJU
- AUS
1 stop16h 06m
Frontier
Deal found 6/23![Frontier logo]()
$395
This Cheapflightsfares deal was found by Cheapflights users on 6/24. 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.
Tue 7/213:20 pm
AUS
- PSE
1 stop7h 39m
JetBlue
Tue 7/285:01 am
PSE
- AUS
1 stop10h 05m
JetBlue
Deal found 6/24![JetBlue logo]()
$401
This Priceline deal was found by Cheapflights users on 6/24. 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.
Wed 7/2210:43 am
AUS
- PSE
1 stop21h 23m
Frontier
Tue 7/2810:32 am
PSE
- AUS
1 stop24h 00m
Frontier
Deal found 6/24![Frontier logo]()
$376
This Super.com deal was found by Cheapflights users on 6/24. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/2410:42 am
AUS
- SJU
1 stop14h 33m
Frontier
Tue 7/288:37 pm
SJU
- AUS
1 stop13h 55m
Frontier
Deal found 6/24![Frontier logo]()
$396
This Southwest deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/252:00 pm
AUS
- SJU
1 stop7h 25m
Southwest
Wed 7/298:35 pm
SJU
- AUS
1 stop12h 40m
Southwest
Deal found 6/26![Southwest logo]()
$386
This Southwest deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/255:30 pm
AUS
- SJU
1 stop6h 50m
Southwest
Sat 8/18:15 pm
SJU
- AUS
1 stop12h 45m
Southwest
Deal found 6/25![Southwest logo]()
$406
This Southwest deal was found by Cheapflights users on 6/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2712:45 pm
AUS
- SJU
1 stop10h 50m
Southwest
Fri 7/3110:20 pm
SJU
- AUS
1 stop12h 10m
Southwest
Deal found 6/21![Southwest logo]()
$401
This Super.com deal was found by Cheapflights users on 6/24. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/3110:42 am
AUS
- SJU
1 stop7h 50m
Frontier
Tue 8/118:37 pm
SJU
- AUS
1 stop13h 55m
Frontier
Deal found 6/24![Frontier logo]()
$388
One-way flights from Austin to Puerto RicoSearch for one-way flight options from Austin to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated June 26, 2026.
Search for one-way flight options from Austin to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated June 26, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1610:50 am
AUS
- SJU
2 stops12h 07m
Frontier
Deal found 6/22![Frontier logo]()
$159
This Kiwi.com deal was found by Cheapflights users on 6/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/165:34 pm
AUS
- SJU
2 stops30h 07m
Frontier
Deal found 6/21![Frontier logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 6/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/181:33 pm
AUS
- SJU
2 stops47h 22m
Frontier
Deal found 6/21![Frontier logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 6/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/225:23 pm
AUS
- SJU
1 stop16h 43m
Frontier
Deal found 6/21![Frontier logo]()
$172
This Southwest deal was found by Cheapflights users on 6/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/191:00 pm
AUS
- SJU
1 stop8h 00m
Southwest
Deal found 6/21![Southwest logo]()
$173
This American Airlines deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/66:21 am
AUS
- SJU
1 stop16h 54m
American Airlines
Deal found 6/24![American Airlines logo]()
$183
This Kiwi.com deal was found by Cheapflights users on 6/25. 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 7/251:33 pm
AUS
- SJU
2 stops33h 55m
Frontier
Deal found 6/25![Frontier logo]()
$187
This Frontier deal was found by Cheapflights users on 6/23. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2210:43 am
AUS
- SJU
1 stop7h 59m
Frontier
Deal found 6/23![Frontier logo]()
$188
This Super.com deal was found by Cheapflights users on 6/22. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1510:43 am
AUS
- SJU
1 stop20h 14m
Frontier
Deal found 6/22![Frontier logo]()
$192
This Kiwi.com deal was found by Cheapflights users on 6/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/215:34 pm
AUS
- SJU
2 stops43h 21m
Frontier
Deal found 6/21![Frontier logo]()
$196
This Kiwi.com deal was found by Cheapflights users on 6/23. 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 7/145:34 pm
AUS
- SJU
2 stops43h 21m
Frontier
Deal found 6/23![Frontier logo]()
$197
This JetBlue deal was found by Cheapflights users on 6/22. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1512:50 pm
AUS
- PSE
1 stop10h 09m
JetBlue
Deal found 6/22![JetBlue logo]()
$215
Find flight deals from Austin to Puerto Rico
Keep the following information in mind while searching for Austin to Puerto Rico flight deals. Data was last updated June 26, 2026.
Most accurate provider | Expedia 1 star |
|---|---|
Most trusted provider | Expedia 3 stars |
Round-trip from | $366 (Delta) |
One-way from | $159 (Kiwi.com) |
Popular in | December |
Cheapest in | October |
Average price | $484 |
Cheapflights Fare Finder
Customize your flight search to find flights from Austin 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 June 26, 2026.
Use the filters below to find and compare flights from Austin to Puerto Rico that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
AustinPonce
AUS - PSE
AUSPSE
Austin Bergstrom
Wed 7/22
10:43 am-9:06 am
1 stop21h 23m
Ponce Mercedita
Tue 7/28
10:32 am-9:32 am
1 stop24h 00m
$376
AustinSan Juan
AUS - SJU
AUSSJU
Austin Bergstrom
Sun 8/9
8:45 am-10:45 pm
1 stop13h 00m
San Juan Luis Munoz Marin Intl
Tue 8/11
6:00 am-4:20 pm
2 stops11h 20m
$386
AustinSan Juan
AUS - SJU
AUSSJU
Austin Bergstrom
Fri 8/14
1:34 pm-10:29 pm
1 stop7h 55m
San Juan Luis Munoz Marin Intl
Tue 8/18
12:56 pm-10:52 pm
1 stop10h 56m
$386
AustinSan Juan
AUS - SJU
AUSSJU
Austin Bergstrom
Fri 12/4
7:50 pm-10:00 am
1 stop12h 10m
San Juan Luis Munoz Marin Intl
Tue 12/15
7:40 am-3:05 pm
2 stops9h 25m
$386
AustinSan Juan
AUS - SJU
AUSSJU
Austin Bergstrom
Sun 9/6
7:50 am-5:20 pm
2 stops8h 30m
San Juan Luis Munoz Marin Intl
Thu 9/10
2:35 pm-11:05 pm
2 stops9h 30m
$386
AustinSan Juan
AUS - SJU
AUSSJU
Austin Bergstrom
Wed 12/9
5:40 am-5:25 pm
1 stop9h 45m
San Juan Luis Munoz Marin Intl
Sat 12/19
2:10 pm-8:59 pm
1 stop8h 49m
$396
AustinSan Juan
AUS - SJU
AUSSJU
Austin Bergstrom
Fri 8/21
1:00 pm-11:50 pm
2 stops9h 50m
San Juan Luis Munoz Marin Intl
Sun 8/30
5:00 am-1:55 pm
2 stops9h 55m
$396
AustinPonce
AUS - PSE
AUSPSE
Austin Bergstrom
Tue 7/21
3:20 pm-11:59 pm
1 stop7h 39m
Ponce Mercedita
Tue 7/28
5:01 am-2:06 pm
1 stop10h 05m
$401
AustinPonce
AUS - PSE
AUSPSE
Austin Bergstrom
Sat 8/1
3:20 pm-11:59 pm
1 stop7h 39m
Ponce Mercedita
Tue 8/18
5:01 am-1:59 pm
1 stop9h 58m
$401
AustinPonce
AUS - PSE
AUSPSE
Austin Bergstrom
Tue 8/4
1:00 pm-11:59 pm
1 stop9h 59m
Ponce Mercedita
Tue 8/11
5:01 am-1:59 pm
1 stop9h 58m
$409
Showing 1-10 of 60 resultsSorted by cheapest first
- Most accurate provider: When it comes to deals on Austin-Puerto Rico flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Austin-Puerto Rico flight deals on Cheapflights vs. Expedia <90% of the time. Price accuracy is based on data collected from Austin-Puerto Rico flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Austin-Puerto Rico flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Austin-Puerto Rico flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Austin to Puerto Rico
Have a flexible travel schedule? Discover the best time to fly to Puerto Rico from Austin with our price prediction graph.
AUS-SJU
AUS-BQN
AUS-PSE
AUS-CPX
AUS-MAZ
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 Austin to Puerto Rico
AUS-PR0
AUS-SJU
AUS-BQN
AUS-PSE
AUS-CPX
What is the cheapest month to book a flight from Austin to Puerto Rico?
Currently, February is the cheapest month in which you can book a flight from Austin to Puerto Rico (average of $84). Flying from Austin to Puerto Rico in June is currently the most expensive (average of $178). 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 AUS to PR?
Find hourly flight availability from Austin to Puerto Rico. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 26, 2026.
When flying from Austin to Puerto Rico, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
How far ahead should I book a flight from Austin to Puerto Rico?
To ensure you get the cheapest price possible for a flight from Austin to Puerto Rico, you should look to book at least 86 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 June 26, 2026.
See what other customers who have flown with Southwest,Delta, andUnited Airlines from Austin to Puerto Rico 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
Boarding
8.1
Food
7.0
Entertainment
7.5
Crew
8.6
Overall
7.9
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Comfort
8.0
Boarding
8.1
Food
7.0
Entertainment
7.5
Crew
8.6
Overall
7.9
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Comfort
8.0
Boarding
8.1
Food
7.0
Entertainment
7.5
Crew
8.6
Overall
7.9
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Comfort
8.0
Boarding
8.1
Food
7.0
Entertainment
7.5
Crew
8.6
Overall
7.9
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Comfort
8.0
Boarding
8.1
Food
7.0
Entertainment
7.5
Crew
8.6
Overall
7.9
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Comfort
8.0
Boarding
8.1
Food
7.0
Entertainment
7.5
Crew
8.6
Overall
7.9
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Related info for your journey
Find useful and relevant information for your journey from Austin to Puerto Rico. 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 Austin 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 Austin to Puerto Rico by cabin class
Find flights from Austin to Puerto Rico, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Austin and Puerto Rico flights
Browse other Austin and Puerto Rico flight options. Last updated on June 26, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Austin to Puerto Rico flights
Consider these flights traveling from Austin to Puerto Rico.
Top 6 airlines flying from Austin to Puerto Rico
Discover the top 6 airlines that operate flights from Austin 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 June 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$138 | Average$309 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$200 | Average$349 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$225 | Average$450 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$245 | Average$515 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$257 | Average$460 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$311 | Average$518 | FlexibilityNo cancel fee | On-time62% |