$131+ Cheap flights from San Diego (SAN) 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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SJU
May 22 — May 291
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from San Diego 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 Diego to Puerto Rico
Cheapest
Best
Last-minute
One-way
Cheapest flights from San Diego to Puerto RicoExplore the most affordable flight options available from San Diego to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2026.
Explore the most affordable flight options available from San Diego to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/17. 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.
Sun 5/37:20 am
SAN
- SJU
1 stop27h 12m
Multiple Airlines
Fri 5/86:09 pm
SJU
- SAN
2 stops32h 41m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$325
This American Airlines deal was found by Cheapflights users on 4/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1612:32 pm
SAN
- SJU
1 stop18h 11m
American Airlines
Sat 8/227:10 pm
SJU
- SAN
1 stop19h 22m
American Airlines
Deal found 4/21![American Airlines logo]()
$334
This American Airlines deal was found by Cheapflights users on 4/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:25 am
SAN
- SJU
1 stop12h 59m
American Airlines
Mon 8/247:14 pm
SJU
- SAN
1 stop18h 35m
American Airlines
Deal found 4/21![American Airlines logo]()
$339
This American Airlines deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2811:58 pm
SAN
- SJU
1 stop8h 12m
American Airlines
Sat 10/32:25 pm
SJU
- SAN
1 stop11h 09m
American Airlines
Deal found 4/20![American Airlines logo]()
$340
This American Airlines deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2610:45 pm
SAN
- SJU
2 stops12h 53m
American Airlines
Sun 8/306:51 am
SJU
- SAN
1 stop15h 27m
American Airlines
Deal found 4/20![American Airlines logo]()
$345
This American Airlines deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2110:45 pm
SAN
- SJU
2 stops12h 53m
American Airlines
Fri 8/281:38 pm
SJU
- SAN
2 stops12h 45m
American Airlines
Deal found 4/20![American Airlines logo]()
$349
This Kiwi.com deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/46:25 am
SAN
- SJU
2 stops16h 36m
Multiple Airlines
Fri 5/87:00 am
SJU
- SAN
1 stop31h 44m
Multiple Airlines
Deal found 4/18![Multiple Airlines logo]()
$358
This Kiwi.com deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/37:20 am
SAN
- SJU
1 stop27h 12m
Multiple Airlines
Wed 5/62:47 pm
SJU
- SAN
2 stops20h 55m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$370
This American Airlines deal was found by Cheapflights users on 4/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1111:00 pm
SAN
- SJU
2 stops12h 45m
American Airlines
Tue 9/152:25 pm
SJU
- SAN
1 stop11h 09m
American Airlines
Deal found 4/21![American Airlines logo]()
$374
This Kiwi.com deal was found by Cheapflights users on 4/17. 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.
Thu 6/46:25 am
SAN
- SJU
2 stops31h 49m
Multiple Airlines
Thu 6/112:37 pm
SJU
- SAN
1 stop31h 13m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$375
This Priceline deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/18:30 pm
SAN
- SJU
1 stop23h 23m
Multiple Airlines
Thu 6/46:25 am
SJU
- SAN
1 stop15h 05m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$378
This American Airlines deal was found by Cheapflights users on 4/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/712:32 pm
SAN
- SJU
1 stop18h 11m
American Airlines
Thu 8/136:51 am
SJU
- SAN
1 stop15h 27m
American Airlines
Deal found 4/22![American Airlines logo]()
$379
Best flights from San Diego to Puerto RicoDiscover carefully curated flight deals from San Diego to Puerto Rico that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 22, 2026.
Discover carefully curated flight deals from San Diego to Puerto Rico that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 22, 2026.
This Delta deal was found by Cheapflights users on 4/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/97:00 am
SAN
- SJU
1 stop13h 59m
Delta
Wed 9/161:32 pm
SJU
- SAN
1 stop13h 11m
Delta
Deal found 4/17![Delta logo]()
$386
This Southwest deal was found by Cheapflights users on 4/17. 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.
Tue 7/216:40 am
SAN
- SJU
1 stop15h 05m
Southwest
Fri 7/315:00 am
SJU
- SAN
2 stops11h 45m
Southwest
Deal found 4/17![Southwest logo]()
$485
This United Airlines deal was found by Cheapflights users on 4/17. 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 5/47:20 am
SAN
- BQN
1 stop12h 49m
United Airlines
Thu 5/712:15 am
BQN
- SAN
1 stop12h 38m
United Airlines
Deal found 4/17![United Airlines logo]()
$610
This Delta deal was found by Cheapflights users on 4/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/25:00 pm
SAN
- SJU
2 stops17h 30m
Delta
Sat 9/57:30 am
SJU
- SAN
1 stop10h 51m
Delta
Deal found 4/17![Delta logo]()
$386
This Delta deal was found by Cheapflights users on 4/22. 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.
Fri 8/77:13 pm
SAN
- SJU
2 stops14h 42m
Delta
Thu 8/131:06 pm
SJU
- SAN
1 stop12h 38m
Delta
Deal found 4/22![Delta logo]()
$386
This Delta deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/3010:15 pm
SAN
- SJU
1 stop12h 05m
Delta
Fri 6/56:15 am
SJU
- SAN
1 stop13h 15m
Delta
Deal found 4/18![Delta logo]()
$386
This Expedia deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/58:30 pm
SAN
- CPX
2 stops16h 43m
Multiple Airlines
Sat 5/93:03 pm
CPX
- SAN
2 stops21h 12m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$1,038
This Southwest deal was found by Cheapflights users on 4/17. 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 7/206:30 am
SAN
- SJU
2 stops12h 00m
Southwest
Fri 7/315:00 am
SJU
- SAN
2 stops12h 10m
Southwest
Deal found 4/17![Southwest logo]()
$563
This United Airlines deal was found by Cheapflights users on 4/17. 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 5/26:32 am
SAN
- BQN
2 stops13h 37m
United Airlines
Tue 5/512:15 am
BQN
- SAN
1 stop12h 38m
United Airlines
Deal found 4/17![United Airlines logo]()
$614
This Delta deal was found by Cheapflights users on 4/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/47:20 am
SAN
- SJU
1 stop13h 33m
Delta
Sun 8/92:05 pm
SJU
- SAN
1 stop10h 56m
Delta
Deal found 4/21![Delta logo]()
$490
This Southwest deal was found by Cheapflights users on 4/21. 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.
Thu 6/258:35 am
SAN
- SJU
1 stop12h 00m
Southwest
Tue 6/306:30 am
SJU
- SAN
2 stops14h 50m
Southwest
Deal found 4/21![Southwest logo]()
$594
This Orbitz deal was found by Cheapflights users on 4/22. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/209:10 pm
SAN
- PSE
2 stops23h 48m
JetBlue
Wed 5/275:05 am
PSE
- SAN
2 stops17h 02m
JetBlue
Deal found 4/22![JetBlue logo]()
$1,602
This Delta deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1010:17 pm
SAN
- SJU
1 stop11h 38m
Delta
Fri 7/172:42 pm
SJU
- SAN
1 stop11h 15m
Delta
Deal found 4/20![Delta logo]()
$575
This Delta deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/26:25 am
SAN
- SJU
2 stops10h 59m
Delta
Tue 5/57:30 am
SJU
- SAN
2 stops16h 12m
Delta
Deal found 4/19![Delta logo]()
$594
This United Airlines deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/119:45 pm
SAN
- CPX
2 stops15h 28m
United Airlines
Fri 5/1510:30 am
CPX
- SAN
2 stops33h 49m
United Airlines
Deal found 4/20![United Airlines logo]()
$1,184
Last-minute flights from San Diego to Puerto RicoDiscover last-minute flight deals from San Diego to Puerto Rico. Data last updated April 22, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to Puerto Rico. Data last updated April 22, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 4/17. 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.
Sun 5/37:20 am
SAN
- SJU
1 stop27h 12m
Multiple Airlines
Fri 5/86:09 pm
SJU
- SAN
2 stops32h 41m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$325
This Kiwi.com deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/37:20 am
SAN
- SJU
1 stop27h 12m
Multiple Airlines
Wed 5/62:47 pm
SJU
- SAN
2 stops20h 55m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$370
This Kiwi.com deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/46:25 am
SAN
- SJU
2 stops16h 36m
Multiple Airlines
Fri 5/87:00 am
SJU
- SAN
1 stop31h 44m
Multiple Airlines
Deal found 4/18![Multiple Airlines logo]()
$358
This Kiwi.com deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/612:29 pm
SAN
- SJU
1 stop23h 04m
Multiple Airlines
Fri 5/86:09 pm
SJU
- SAN
2 stops41h 33m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$380
This American Airlines deal was found by Cheapflights users on 4/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1410:30 pm
SAN
- SJU
1 stop12h 19m
American Airlines
Fri 5/2912:44 am
SJU
- SAN
1 stop10h 38m
American Airlines
Deal found 4/21![American Airlines logo]()
$425
This Kiwi.com deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/206:25 am
SAN
- SJU
1 stop28h 07m
Multiple Airlines
Wed 5/276:46 pm
SJU
- SAN
2 stops56h 04m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$399
This Kiwi.com deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/206:25 am
SAN
- SJU
1 stop28h 07m
Multiple Airlines
Sat 5/232:47 pm
SJU
- SAN
2 stops20h 55m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$418
This American Airlines deal was found by Cheapflights users on 4/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/266:15 am
SAN
- SJU
1 stop14h 44m
American Airlines
Tue 6/26:20 am
SJU
- SAN
1 stop15h 15m
American Airlines
Deal found 4/21![American Airlines logo]()
$386
This Kiwi.com deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/266:25 am
SAN
- SJU
2 stops15h 16m
Multiple Airlines
Fri 5/292:37 pm
SJU
- SAN
1 stop30h 48m
Multiple Airlines
Deal found 4/18![Multiple Airlines logo]()
$423
This Expedia deal was found by Cheapflights users on 4/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2711:45 am
SAN
- SJU
1 stop10h 53m
Multiple Airlines
Tue 6/26:25 am
SJU
- SAN
1 stop15h 05m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$408
This Kiwi.com deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/276:25 am
SAN
- SJU
2 stops32h 01m
Frontier
Sat 5/306:25 am
SJU
- SAN
1 stop15h 00m
Frontier
Deal found 4/20![Frontier logo]()
$421
This CheapOair deal was found by Cheapflights users on 4/21. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2911:45 am
SAN
- SJU
1 stop10h 53m
Multiple Airlines
Sun 6/76:25 am
SJU
- SAN
1 stop15h 05m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$424
One-way flights from San Diego to Puerto RicoSearch for one-way flight options from San Diego to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated April 22, 2026.
Search for one-way flight options from San Diego to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated April 22, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 5/126:25 am
SAN
- SJU
2 stops28h 36m
Frontier
Deal found 4/21![Frontier logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 4/21. 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.
Wed 5/136:25 am
SAN
- SJU
2 stops38h 32m
Frontier
Deal found 4/21![Frontier logo]()
$133
This Trip.com deal was found by Cheapflights users on 4/21. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/166:25 am
SAN
- SJU
2 stops16h 43m
Frontier
Deal found 4/21![Frontier logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 4/21. 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.
Mon 5/116:25 am
SAN
- SJU
2 stops28h 36m
Frontier
Deal found 4/21![Frontier logo]()
$138
This American Airlines deal was found by Cheapflights users on 4/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2810:54 pm
SAN
- SJU
2 stops12h 51m
American Airlines
Deal found 4/21![American Airlines logo]()
$147
This Kiwi.com deal was found by Cheapflights users on 4/21. 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.
Thu 5/149:37 am
SAN
- SJU
2 stops28h 37m
Frontier
Deal found 4/21![Frontier logo]()
$150
This American Airlines deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/210:45 pm
SAN
- SJU
2 stops12h 53m
American Airlines
Deal found 4/20![American Airlines logo]()
$152
This Kiwi.com deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/159:37 am
SAN
- SJU
2 stops35h 22m
Frontier
Deal found 4/18![Frontier logo]()
$156
This Kiwi.com deal was found by Cheapflights users on 4/21. 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.
Thu 5/286:25 am
SAN
- SJU
2 stops31h 49m
Frontier
Deal found 4/21![Frontier logo]()
$159
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 5/912:29 pm
SAN
- SJU
1 stop23h 04m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/46:25 am
SAN
- SJU
2 stops16h 36m
Frontier
Deal found 4/18![Frontier logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/136:25 am
SAN
- SJU
1 stop28h 07m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$174
Find flight deals from San Diego to Puerto Rico
Keep the following information in mind while searching for San Diego to Puerto Rico flight deals. Data was last updated April 22, 2026.
Round-trip from | $325 (Kiwi.com) |
|---|---|
One-way from | $131 (Kiwi.com) |
Popular in | December |
Cheapest in | October |
Average price | $460 |
Cheapflights Fare Finder
Customize your flight search to find flights from San Diego 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 April 22, 2026.
Use the filters below to find and compare flights from San Diego to Puerto Rico that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San DiegoSan Juan
SAN - SJU
SANSJU
San Diego
Wed 9/9
7:00 am-11:59 pm
1 stop13h 59m
San Juan Luis Munoz Marin Intl
Wed 9/16
1:32 pm-11:43 pm
1 stop13h 11m
$386
San DiegoSan Juan
SAN - SJU
SANSJU
San Diego
Wed 9/2
5:00 pm-1:30 pm
2 stops17h 30m
San Juan Luis Munoz Marin Intl
Sat 9/5
7:30 am-3:21 pm
1 stop10h 51m
$386
San DiegoSan Juan
SAN - SJU
SANSJU
San Diego
Fri 8/7
7:13 pm-12:55 pm
2 stops14h 42m
San Juan Luis Munoz Marin Intl
Thu 8/13
1:06 pm-10:44 pm
1 stop12h 38m
$386
San DiegoSan Juan
SAN - SJU
SANSJU
San Diego
Sat 5/30
10:15 pm-1:20 pm
1 stop12h 05m
San Juan Luis Munoz Marin Intl
Fri 6/5
6:15 am-4:30 pm
1 stop13h 15m
$386
San DiegoSan Juan
SAN - SJU
SANSJU
San Diego
Tue 7/21
6:40 am-12:45 am
1 stop15h 05m
San Juan Luis Munoz Marin Intl
Fri 7/31
5:00 am-1:45 pm
2 stops11h 45m
$485
San DiegoSan Juan
SAN - SJU
SANSJU
San Diego
Tue 8/4
7:20 am-11:53 pm
1 stop13h 33m
San Juan Luis Munoz Marin Intl
Sun 8/9
2:05 pm-10:01 pm
1 stop10h 56m
$490
San DiegoSan Juan
SAN - SJU
SANSJU
San Diego
Mon 7/20
6:30 am-9:30 pm
2 stops12h 00m
San Juan Luis Munoz Marin Intl
Fri 7/31
5:00 am-2:10 pm
2 stops12h 10m
$563
Quickest round-trip
San DiegoSan Juan
SAN - SJU
SANSJU
San Diego
Fri 7/10
10:17 pm-12:55 pm
1 stop11h 38m
San Juan Luis Munoz Marin Intl
Fri 7/17
2:42 pm-10:57 pm
1 stop11h 15m
$575
San DiegoSan Juan
SAN - SJU
SANSJU
San Diego
Thu 6/25
8:35 am-11:35 pm
1 stop12h 00m
San Juan Luis Munoz Marin Intl
Tue 6/30
6:30 am-6:20 pm
2 stops14h 50m
$594
San DiegoSan Juan
SAN - SJU
SANSJU
San Diego
Sat 5/2
6:25 am-8:24 pm
2 stops10h 59m
San Juan Luis Munoz Marin Intl
Tue 5/5
7:30 am-8:42 pm
2 stops16h 12m
$594
Showing 1-10 of 39 resultsSorted by cheapest first
Best time to book a flight from San Diego to Puerto Rico
Have a flexible travel schedule? Discover the best time to fly to Puerto Rico from San Diego with our price prediction graph.
SAN-SJU
SAN-BQN
SAN-CPX
SAN-PSE
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 Diego to Puerto Rico
SAN-PR0
SAN-SJU
SAN-BQN
SAN-CPX
SAN-PSE
What is the cheapest month to book a flight from San Diego to Puerto Rico?
Currently, September is the cheapest month in which you can book a flight from San Diego to Puerto Rico (average of $141). Flying from San Diego to Puerto Rico in February is currently the most expensive (average of $273). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Reviews of airlines servicing 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 April 22, 2026.
Read reviews from past customers who have flown Southwest,Alaska Airlines, andDelta from San Diego to Puerto Rico. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.0
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Overall
8.0
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Overall
8.0
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Overall
8.0
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Overall
8.0
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Overall
8.0
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Related info for your journey
Find useful and relevant information for your journey from San Diego 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 Diego 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 Diego to Puerto Rico by cabin class
Find flights from San Diego to Puerto Rico, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San Diego and Puerto Rico flights
Browse other San Diego and Puerto Rico flight options. Last updated on April 22, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
San Diego to Puerto Rico flights
Consider these flights traveling from San Diego to Puerto Rico.
Top 8 airlines flying from San Diego to Puerto Rico
Discover the top 8 airlines that operate flights from San Diego 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 April 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$176 | Average$448 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$182 | Average$478 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$214 | Average$547 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$215 | Average$460 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$260 | Average$450 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$298 | Average$533 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$382 | Average$563 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$475 | Average$630 | FlexibilityNo cancel fee | On-time75% |