$188+ Cheap flights from San Francisco (SFO) 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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SJU
Jul 27 — Aug 31
Round-trip
1 adult, Economy
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Find cheap flights from San Francisco 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
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from San Francisco to Puerto Rico
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Cheapest flights from San Francisco to Puerto RicoExplore the most affordable flight options available from San Francisco to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 27, 2026.
Explore the most affordable flight options available from San Francisco to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 27, 2026.
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1810:35 pm
SFO
- SJU
1 stop12h 41m
Multiple Airlines
Tue 8/255:00 pm
SJU
- SFO
1 stop9h 51m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$421
This Kiwi.com deal was found by Cheapflights users on 6/27. 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 8/410:10 pm
SFO
- SJU
1 stop13h 06m
Frontier
Fri 8/147:10 am
SJU
- SFO
2 stops28h 33m
Frontier
Deal found 6/27![Frontier logo]()
$425
This Kiwi.com deal was found by Cheapflights users on 6/27. 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 8/410:10 pm
SFO
- SJU
1 stop13h 06m
Frontier
Thu 8/135:22 pm
SJU
- SFO
2 stops18h 21m
Frontier
Deal found 6/27![Frontier logo]()
$427
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.
Thu 8/2010:35 pm
SFO
- SJU
1 stop12h 41m
Frontier
Sat 8/295:37 pm
SJU
- SFO
2 stops52h 08m
Frontier
Deal found 6/25![Frontier logo]()
$428
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/410:10 pm
SFO
- SJU
1 stop13h 06m
Frontier
Sun 8/97:10 am
SJU
- SFO
2 stops39h 03m
Frontier
Deal found 6/26![Frontier logo]()
$430
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1011:05 pm
SFO
- SJU
1 stop12h 11m
Frontier
Wed 8/195:37 pm
SJU
- SFO
2 stops33h 41m
Frontier
Deal found 6/26![Frontier logo]()
$431
This Kiwi.com deal was found by Cheapflights users on 6/27. 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 8/410:10 pm
SFO
- SJU
1 stop13h 06m
Frontier
Mon 8/107:10 am
SJU
- SFO
2 stops31h 28m
Frontier
Deal found 6/27![Frontier logo]()
$433
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.
Thu 9/241:55 pm
SFO
- SJU
2 stops16h 15m
Southwest
Thu 10/85:00 am
SJU
- SFO
2 stops11h 40m
Southwest
Deal found 6/26![Southwest 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.
Mon 8/1710:40 pm
SFO
- BQN
1 stop11h 48m
JetBlue
Wed 8/192:30 pm
BQN
- SFO
1 stop12h 21m
JetBlue
Deal found 6/22![JetBlue logo]()
$441
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.
Fri 9/410:35 pm
SFO
- SJU
1 stop12h 41m
Multiple Airlines
Sat 9/124:30 pm
SJU
- SFO
1 stop9h 49m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$441
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/811:05 pm
SFO
- SJU
1 stop12h 11m
Frontier
Sat 8/155:22 pm
SJU
- SFO
2 stops33h 56m
Frontier
Deal found 6/26![Frontier logo]()
$444
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2810:35 pm
SFO
- SJU
1 stop12h 41m
Multiple Airlines
Wed 9/25:00 pm
SJU
- SFO
1 stop9h 51m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$446
Best flights from San Francisco to Puerto RicoDiscover carefully curated flight deals from San Francisco to Puerto Rico that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 27, 2026.
Discover carefully curated flight deals from San Francisco to Puerto Rico that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 27, 2026.
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.
Wed 10/77:30 am
SFO
- SJU
2 stops11h 45m
Southwest
Wed 10/145:00 am
SJU
- SFO
2 stops12h 35m
Southwest
Deal found 6/26![Southwest 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.
Mon 8/1710:40 pm
SFO
- BQN
1 stop11h 48m
JetBlue
Wed 8/192:30 pm
BQN
- SFO
1 stop12h 21m
JetBlue
Deal found 6/22![JetBlue logo]()
$441
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.
Tue 11/176:15 am
SFO
- SJU
2 stops13h 40m
Delta
Wed 1/277:00 am
SJU
- SFO
2 stops17h 21m
Delta
Deal found 6/25![Delta logo]()
$490
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 10/37:00 am
SFO
- BQN
1 stop13h 09m
United Airlines
Mon 10/512:15 am
BQN
- SFO
1 stop11h 59m
United Airlines
Deal found 6/26![United Airlines logo]()
$514
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.
Mon 9/1411:10 pm
SFO
- BQN
1 stop11h 46m
JetBlue
Wed 9/164:23 pm
BQN
- SFO
1 stop9h 56m
JetBlue
Deal found 6/25![JetBlue logo]()
$441
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 10/1810:50 pm
SFO
- SJU
2 stops12h 15m
Southwest
Thu 10/229:45 pm
SJU
- SFO
2 stops16h 25m
Southwest
Deal found 6/26![Southwest logo]()
$451
This United 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/212:45 am
SFO
- VQS
2 stops29h 45m
Multiple Airlines
Fri 9/113:18 pm
VQS
- SFO
2 stops22h 00m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$971
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 8/2112:12 am
SFO
- SJU
2 stops13h 26m
Delta
Wed 8/267:30 am
SJU
- SFO
2 stops17h 29m
Delta
Deal found 6/24![Delta logo]()
$490
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.
Sat 12/56:00 pm
SFO
- SJU
2 stops13h 50m
Southwest
Tue 12/157:40 am
SJU
- SFO
2 stops12h 05m
Southwest
Deal found 6/23![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.
Mon 8/3110:40 pm
SFO
- SJU
1 stop11h 08m
JetBlue
Fri 9/410:35 pm
SJU
- SFO
1 stop13h 40m
JetBlue
Deal found 6/26![JetBlue logo]()
$467
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.
Thu 9/31:55 pm
SFO
- SJU
2 stops16h 15m
Southwest
Sun 9/65:20 am
SJU
- SFO
2 stops13h 20m
Southwest
Deal found 6/26![Southwest logo]()
$466
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.
Wed 9/2310:30 pm
SFO
- SJU
1 stop13h 00m
Southwest
Sun 9/275:30 am
SJU
- SFO
1 stop11h 00m
Southwest
Deal found 6/23![Southwest logo]()
$466
This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1211:30 am
SFO
- PSE
1 stop9h 29m
JetBlue
Mon 11/166:01 am
PSE
- SFO
1 stop9h 53m
JetBlue
Deal found 6/23![JetBlue logo]()
$528
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 8/175:00 am
SFO
- BQN
2 stops15h 09m
United Airlines
Thu 8/2012:15 am
BQN
- SFO
2 stops14h 08m
United Airlines
Deal found 6/24![United Airlines logo]()
$655
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.
Thu 10/19:40 pm
SFO
- SJU
1 stop11h 45m
Southwest
Tue 10/65:00 am
SJU
- SFO
2 stops12h 35m
Southwest
Deal found 6/23![Southwest logo]()
$478
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 9/145:00 am
SFO
- BQN
2 stops15h 09m
United Airlines
Tue 9/1512:15 am
BQN
- SFO
1 stop13h 03m
United Airlines
Deal found 6/24![United Airlines logo]()
$665
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.
Thu 7/3011:00 am
SFO
- PSE
1 stop9h 59m
JetBlue
Thu 8/205:01 am
PSE
- SFO
1 stop31h 48m
JetBlue
Deal found 6/26![JetBlue logo]()
$567
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.
Thu 8/2010:30 pm
SFO
- SJU
1 stop13h 00m
Southwest
Tue 8/251:45 pm
SJU
- SFO
2 stops12h 30m
Southwest
Deal found 6/23![Southwest logo]()
$478
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 7/2211:00 am
SFO
- PSE
1 stop9h 59m
JetBlue
Wed 7/295:01 am
PSE
- SFO
1 stop21h 50m
JetBlue
Deal found 6/24![JetBlue logo]()
$612
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.
Thu 7/2310:40 pm
SFO
- PSE
1 stop22h 19m
JetBlue
Thu 7/305:01 am
PSE
- SFO
1 stop31h 47m
JetBlue
Deal found 6/24![JetBlue logo]()
$634
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.
Thu 11/1211:30 am
SFO
- PSE
1 stop9h 29m
JetBlue
Mon 11/236:01 am
PSE
- SFO
1 stop10h 34m
JetBlue
Deal found 6/26![JetBlue logo]()
$668
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 7/811:05 pm
SFO
- MAZ
2 stops14h 06m
United Airlines
Fri 7/171:19 pm
MAZ
- SFO
2 stops14h 13m
United Airlines
Deal found 6/25![United Airlines logo]()
$996
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 7/811:05 pm
SFO
- MAZ
2 stops14h 06m
United Airlines
Tue 7/141:19 pm
MAZ
- SFO
2 stops14h 56m
United Airlines
Deal found 6/25![United Airlines logo]()
$996
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/1110:40 pm
SFO
- VQS
2 stops13h 18m
Multiple Airlines
Wed 7/157:30 am
VQS
- SFO
2 stops17h 40m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$1,330
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.
Wed 7/88:35 pm
SFO
- PSE
1 stop24h 24m
JetBlue
Tue 7/145:01 am
PSE
- SFO
1 stop31h 47m
JetBlue
Deal found 6/25![JetBlue logo]()
$685
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/88:35 pm
SFO
- PSE
1 stop24h 24m
JetBlue
Sun 7/125:01 am
PSE
- SFO
1 stop31h 47m
JetBlue
Deal found 6/23![JetBlue logo]()
$726
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 7/1111:59 pm
SFO
- MAZ
2 stops13h 12m
United Airlines
Fri 7/171:19 pm
MAZ
- SFO
2 stops14h 13m
United Airlines
Deal found 6/25![United Airlines logo]()
$1,277
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 7/811:05 pm
SFO
- MAZ
2 stops14h 06m
United Airlines
Sun 7/121:19 pm
MAZ
- SFO
2 stops14h 10m
United Airlines
Deal found 6/25![United Airlines logo]()
$1,446
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 8/2411:59 pm
SFO
- MAZ
2 stops37h 12m
United Airlines
Fri 8/281:19 pm
MAZ
- SFO
2 stops14h 31m
United Airlines
Deal found 6/24![United Airlines logo]()
$1,502
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/76:00 am
SFO
- PSE
2 stops22h 56m
JetBlue
Mon 7/139:33 am
PSE
- SFO
2 stops17h 18m
JetBlue
Deal found 6/25![JetBlue logo]()
$1,129
Last-minute flights from San Francisco to Puerto RicoDiscover last-minute flight deals from San Francisco to Puerto Rico. Data last updated June 27, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Puerto Rico. Data last updated June 27, 2026 and is based on user searches.
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1011:00 pm
SFO
- SJU
1 stop12h 16m
Multiple Airlines
Mon 8/105:05 am
SJU
- SFO
1 stop31h 44m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$516
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.
Thu 7/1610:10 pm
SFO
- SJU
1 stop13h 06m
Frontier
Wed 7/225:22 pm
SJU
- SFO
2 stops18h 26m
Frontier
Deal found 6/25![Frontier logo]()
$547
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.
Fri 7/179:39 pm
SFO
- SJU
2 stops24h 02m
Frontier
Tue 7/215:15 pm
SJU
- SFO
1 stop29h 03m
Frontier
Deal found 6/25![Frontier logo]()
$536
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/1811:00 pm
SFO
- SJU
1 stop12h 16m
Frontier
Fri 7/246:44 am
SJU
- SFO
2 stops41h 10m
Frontier
Deal found 6/26![Frontier logo]()
$515
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/2411:00 pm
SFO
- SJU
1 stop12h 16m
Frontier
Fri 7/317:30 am
SJU
- SFO
2 stops40h 24m
Frontier
Deal found 6/26![Frontier logo]()
$543
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/2511:00 pm
SFO
- SJU
1 stop12h 16m
Multiple Airlines
Fri 7/317:00 am
SJU
- SFO
1 stop19h 51m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$534
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.
Mon 7/275:00 am
SFO
- SJU
1 stop14h 59m
American Airlines
Sat 8/157:05 am
SJU
- SFO
1 stop15h 13m
American Airlines
Deal found 6/25![American Airlines logo]()
$490
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2810:10 pm
SFO
- SJU
1 stop13h 06m
Multiple Airlines
Tue 8/47:00 am
SJU
- SFO
1 stop19h 51m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$486
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.
Tue 7/2810:10 pm
SFO
- SJU
1 stop13h 06m
Frontier
Tue 8/47:30 am
SJU
- SFO
2 stops30h 52m
Frontier
Deal found 6/25![Frontier logo]()
$526
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/294:30 pm
SFO
- SJU
2 stops15h 13m
Frontier
Wed 8/55:22 pm
SJU
- SFO
2 stops29h 48m
Frontier
Deal found 6/26![Frontier logo]()
$528
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.
Thu 7/3010:10 pm
SFO
- SJU
1 stop13h 06m
Multiple Airlines
Fri 8/79:42 am
SJU
- SFO
1 stop27h 07m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$501
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.
Thu 7/3011:00 am
SFO
- PSE
1 stop9h 59m
JetBlue
Thu 8/205:01 am
PSE
- SFO
1 stop31h 48m
JetBlue
Deal found 6/26![JetBlue logo]()
$567
One-way flights from San Francisco to Puerto RicoSearch for one-way flight options from San Francisco to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated June 27, 2026.
Search for one-way flight options from San Francisco to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated June 27, 2026.
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1810:35 pm
SFO
- SJU
1 stop12h 41m
Frontier
Deal found 6/25![Frontier logo]()
$188
This Kiwi.com deal was found by Cheapflights users on 6/27. 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 9/107:17 pm
SFO
- SJU
2 stops25h 40m
Frontier
Deal found 6/27![Frontier logo]()
$194
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.
Sat 8/297:30 pm
SFO
- SJU
2 stops26h 04m
Frontier
Deal found 6/23![Frontier logo]()
$195
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.
Fri 7/179:39 pm
SFO
- SJU
2 stops24h 02m
Frontier
Deal found 6/25![Frontier logo]()
$201
This Super.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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/610:10 pm
SFO
- SJU
1 stop13h 06m
Frontier
Deal found 6/23![Frontier logo]()
$205
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1310:48 pm
SFO
- SJU
1 stop13h 37m
Frontier
Deal found 6/24![Frontier logo]()
$208
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.
Wed 7/1512:22 pm
SFO
- SJU
2 stops33h 06m
Frontier
Deal found 6/25![Frontier logo]()
$218
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 7/2812:29 am
SFO
- SJU
2 stops20h 59m
Frontier
Deal found 6/23![Frontier logo]()
$223
This Super.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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2211:00 pm
SFO
- SJU
1 stop12h 16m
Frontier
Deal found 6/23![Frontier logo]()
$224
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.
Wed 8/1210:59 am
SFO
- SJU
1 stop9h 21m
JetBlue
Deal found 6/24![JetBlue logo]()
$226
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2811:20 am
SFO
- PSE
2 stops19h 26m
Frontier
Deal found 6/26![Frontier logo]()
$253
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.
Wed 11/1811:30 am
SFO
- PSE
1 stop9h 29m
JetBlue
Deal found 6/22![JetBlue logo]()
$272
Find flight deals from San Francisco to Puerto Rico
Keep the following information in mind while searching for San Francisco to Puerto Rico flight deals. Data was last updated June 27, 2026.
Round-trip from | $421 (Expedia) |
|---|---|
One-way from | $188 (Frontier) |
Popular in | December |
Cheapest in | September |
Average price | $576 |
Cheapflights Fare Finder
Customize your flight search to find flights from San Francisco 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 27, 2026.
Use the filters below to find and compare flights from San Francisco to Puerto Rico that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San FranciscoSan Juan
SFO - SJU
SFOSJU
San Francisco
Wed 10/7
7:30 am-10:15 pm
2 stops11h 45m
San Juan Luis Munoz Marin Intl
Wed 10/14
5:00 am-2:35 pm
2 stops12h 35m
$436
San FranciscoAguadilla
SFO - BQN
SFOBQN
San Francisco
Mon 8/17
10:40 pm-1:28 pm
1 stop11h 48m
Aguadilla Borinquen
Wed 8/19
2:30 pm-11:51 pm
1 stop12h 21m
$441
San FranciscoAguadilla
SFO - BQN
SFOBQN
San Francisco
Mon 9/14
11:10 pm-1:56 pm
1 stop11h 46m
Aguadilla Borinquen
Wed 9/16
4:23 pm-11:19 pm
1 stop9h 56m
$441
San FranciscoSan Juan
SFO - SJU
SFOSJU
San Francisco
Sun 10/18
10:50 pm-2:05 pm
2 stops12h 15m
San Juan Luis Munoz Marin Intl
Thu 10/22
9:45 pm-11:10 am
2 stops16h 25m
$451
San FranciscoSan Juan
SFO - SJU
SFOSJU
San Francisco
Sat 12/5
6:00 pm-11:50 am
2 stops13h 50m
San Juan Luis Munoz Marin Intl
Tue 12/15
7:40 am-3:45 pm
2 stops12h 05m
$466
San FranciscoSan Juan
SFO - SJU
SFOSJU
San Francisco
Thu 9/3
1:55 pm-9:10 am
2 stops16h 15m
San Juan Luis Munoz Marin Intl
Sun 9/6
5:20 am-3:40 pm
2 stops13h 20m
$466
San FranciscoSan Juan
SFO - SJU
SFOSJU
San Francisco
Wed 9/23
10:30 pm-2:30 pm
1 stop13h 00m
San Juan Luis Munoz Marin Intl
Sun 9/27
5:30 am-1:30 pm
1 stop11h 00m
$466
San FranciscoSan Juan
SFO - SJU
SFOSJU
San Francisco
Mon 8/31
10:40 pm-12:48 pm
1 stop11h 08m
San Juan Luis Munoz Marin Intl
Fri 9/4
10:35 pm-9:15 am
1 stop13h 40m
$467
San FranciscoSan Juan
SFO - SJU
SFOSJU
San Francisco
Thu 10/1
9:40 pm-12:25 pm
1 stop11h 45m
San Juan Luis Munoz Marin Intl
Tue 10/6
5:00 am-2:35 pm
2 stops12h 35m
$478
San FranciscoSan Juan
SFO - SJU
SFOSJU
San Francisco
Thu 8/20
10:30 pm-2:30 pm
1 stop13h 00m
San Juan Luis Munoz Marin Intl
Tue 8/25
1:45 pm-11:15 pm
2 stops12h 30m
$478
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from San Francisco to Puerto Rico
Have a flexible travel schedule? Discover the best time to fly to Puerto Rico from San Francisco with our price prediction graph.
SFO-SJU
SFO-PSE
SFO-BQN
SFO-MAZ
SFO-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 Francisco to Puerto Rico
SFO-PR0
SFO-SJU
SFO-PSE
SFO-BQN
SFO-MAZ
What is the cheapest month to book a flight from San Francisco to Puerto Rico?
Currently, May is the cheapest month in which you can book a flight from San Francisco to Puerto Rico (average of $97). Flying from San Francisco to Puerto Rico in February is currently the most expensive (average of $263). 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 far ahead should I book a flight from San Francisco to Puerto Rico?
Booking 72 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Francisco to Puerto Rico. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
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 27, 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andAmerican Airlines from San Francisco to Puerto Rico by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Food
7.2
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Crew
8.5
Food
7.2
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Crew
8.5
Food
7.2
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Crew
8.5
Food
7.2
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Crew
8.5
Food
7.2
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Crew
8.5
Food
7.2
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Related info for your journey
Find useful and relevant information for your journey from San Francisco 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.
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Alternative routes for San Francisco 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 Francisco to Puerto Rico by cabin class
Find flights from San Francisco to Puerto Rico, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San Francisco and Puerto Rico flights
Browse other San Francisco and Puerto Rico flight options. Last updated on June 27, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
San Francisco to Puerto Rico flights
Consider these flights traveling from San Francisco to Puerto Rico.
Top 8 airlines flying from San Francisco to Puerto Rico
Discover the top 8 airlines that operate flights from San Francisco 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 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$134 | Average$381 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$185 | Average$470 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$222 | Average$748 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$276 | Average$468 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$348 | Average$632 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$351 | Average$756 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$369 | Average$586 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$398 | Average$593 | FlexibilityNo cancel fee | On-time63% |