$137+ Cheap flights from San Diego (SAN) to Puerto Rico
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/4. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SJU
Oct 7 — Oct 141
Round-trip
1 adult, Economy
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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
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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 September 7, 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 September 7, 2026.
This American Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 10/209:25 pm -
1 stop14h 36m
Tue 10/276:30 am -
2 stops10h 47m
Deal found 9/3![American Airlines logo]()
$274
This American Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1712:56 pm -
1 stop17h 50m
Sat 10/2412:41 pm -
1 stop11h 56m
Deal found 9/2![American Airlines logo]()
$275
This American Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/289:25 pm -
2 stops11h 06m
Wed 11/188:30 am -
1 stop14h 59m
Deal found 9/2![American Airlines logo]()
$279
This American Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 9/301:50 pm -
2 stops16h 34m
Wed 10/712:41 pm -
1 stop11h 56m
Deal found 9/2![American Airlines logo]()
$280
This American Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 10/157:15 pm -
2 stops13h 05m
Fri 10/163:51 pm -
1 stop20h 19m
Deal found 9/2![American Airlines logo]()
$343
This American Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 10/129:30 pm -
1 stop13h 07m
Fri 10/166:00 am -
1 stop18h 46m
Deal found 9/2![American Airlines logo]()
$348
This American Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:15 pm -
2 stops15h 22m
Tue 10/206:00 am -
1 stop11h 17m
Deal found 9/2![American Airlines logo]()
$353
This American Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 10/1511:17 am -
1 stop9h 03m
Mon 10/194:17 pm -
1 stop19h 07m
Deal found 9/2![American Airlines logo]()
$360
This United Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 10/77:00 am -
2 stops13h 09m
Mon 10/1212:15 am -
2 stops14h 20m
Deal found 9/2![United Airlines logo]()
$468
This United Airlines deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” 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 11/96:50 am -
2 stops13h 07m
Thu 12/31:09 am -
2 stops14h 06m
Deal found 9/6![United Airlines logo]()
$475
This FlightHub deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/96:25 am -
2 stops24h 27m
Fri 12/43:16 pm -
1 stop22h 08m
Deal found 9/6![Multiple Airlines logo]()
$634
This United Airlines deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” 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 10/196:15 am -
2 stops13h 54m
Tue 10/2012:15 am -
2 stops16h 02m
Deal found 9/6![United Airlines logo]()
$651
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 September 7, 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 September 7, 2026.
This United Airlines deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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 12/66:50 am -
1 stop10h 10m
Fri 12/112:05 am -
1 stop12h 15m
Deal found 9/4![United Airlines logo]()
$426
This Southwest deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” 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 1/89:55 am -
1 stop8h 05m
Sat 1/166:55 am -
2 stops18h 30m
Deal found 9/6![Southwest logo]()
$475
This Delta deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/207:11 pm -
2 stops12h 49m
Mon 12/283:45 pm -
1 stop11h 11m
Deal found 9/6![Delta logo]()
$609
This FlightHub deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:25 am -
2 stops23h 27m
Mon 10/199:43 am -
2 stops33h 15m
Deal found 9/4![Frontier logo]()
$773
This United Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 10/77:00 am -
2 stops13h 09m
Mon 10/1212:15 am -
2 stops14h 20m
Deal found 9/2![United Airlines logo]()
$468
This FlightHub deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/158:25 pm -
2 stops25h 04m
Mon 10/198:45 am -
2 stops28h 24m
Deal found 9/2![JetBlue logo]()
$957
This Southwest deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” 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 10/98:45 am -
1 stop11h 25m
Mon 10/194:10 pm -
2 stops11h 25m
Deal found 9/5![Southwest logo]()
$504
This Expedia deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” 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.
Mon 10/510:24 am -
2 stops18h 40m
Mon 10/129:43 am -
2 stops17h 13m
Deal found 9/6![Multiple Airlines logo]()
$1,054
This Southwest deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 2/219:05 am -
2 stops11h 25m
Sun 2/286:10 am -
1 stop11h 40m
Deal found 9/3![Southwest logo]()
$550
This United Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 2/107:00 am -
2 stops12h 57m
Tue 2/161:09 am -
2 stops14h 25m
Deal found 9/3![United Airlines logo]()
$561
This United Airlines deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1810:25 pm -
1 stop10h 32m
Tue 9/297:00 am -
1 stop9h 17m
Deal found 9/4![United Airlines logo]()
$620
This United Airlines deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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 10/126:50 pm -
2 stops14h 07m
Thu 10/152:00 pm -
1 stop9h 39m
Deal found 9/4![United Airlines logo]()
$630
This United Airlines deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” 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 10/196:15 am -
2 stops13h 54m
Tue 10/2012:15 am -
2 stops16h 02m
Deal found 9/6![United Airlines logo]()
$651
This JetBlue deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” 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 11/2510:50 am -
1 stop10h 09m
Sun 11/295:01 am -
1 stop9h 09m
Deal found 9/5![JetBlue logo]()
$975
This United Airlines deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” 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 12/12:26 pm -
2 stops18h 49m
Tue 12/88:25 am -
3 stops20h 04m
Deal found 9/7![United Airlines logo]()
$665
This United Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 10/47:00 am -
2 stops13h 09m
Fri 10/912:15 am -
1 stop12h 34m
Deal found 9/2![United Airlines logo]()
$672
This United Airlines deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” 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 2/96:30 am -
2 stops13h 27m
Mon 2/151:09 am -
2 stops22h 48m
Deal found 9/6![United Airlines logo]()
$686
This United Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1710:20 pm -
2 stops16h 01m
Tue 10/2010:48 am -
2 stops13h 36m
Deal found 9/2![United Airlines logo]()
$1,558
This United Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 10/97:41 pm -
3 stops18h 40m
Tue 10/1310:48 am -
3 stops16h 43m
Deal found 9/2![United Airlines logo]()
$1,727
Last-minute flights from San Diego to Puerto RicoDiscover last-minute flight deals from San Diego to Puerto Rico. Data last updated September 7, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to Puerto Rico. Data last updated September 7, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 9/301:50 pm -
2 stops16h 34m
Wed 10/712:41 pm -
1 stop11h 56m
Deal found 9/2![American Airlines logo]()
$280
This United Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 10/47:00 am -
2 stops13h 09m
Fri 10/912:15 am -
1 stop12h 34m
Deal found 9/2![United Airlines logo]()
$672
This United Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 10/77:00 am -
2 stops13h 09m
Mon 10/1212:15 am -
2 stops14h 20m
Deal found 9/2![United Airlines logo]()
$468
This American Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 10/129:30 pm -
1 stop13h 07m
Fri 10/166:00 am -
1 stop18h 46m
Deal found 9/2![American Airlines logo]()
$348
This American Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:15 pm -
2 stops15h 22m
Tue 10/206:00 am -
1 stop11h 17m
Deal found 9/2![American Airlines logo]()
$353
This American Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 10/157:15 pm -
2 stops13h 05m
Fri 10/163:51 pm -
1 stop20h 19m
Deal found 9/2![American Airlines logo]()
$343
This American Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 10/1511:17 am -
1 stop9h 03m
Mon 10/194:17 pm -
1 stop19h 07m
Deal found 9/2![American Airlines logo]()
$360
This FlightHub deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:25 am -
2 stops23h 27m
Mon 10/199:43 am -
2 stops33h 15m
Deal found 9/4![Frontier logo]()
$773
This American Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1712:56 pm -
1 stop17h 50m
Sat 10/2412:41 pm -
1 stop11h 56m
Deal found 9/2![American Airlines logo]()
$275
This United Airlines deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” 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 10/196:15 am -
2 stops13h 54m
Tue 10/2012:15 am -
2 stops16h 02m
Deal found 9/6![United Airlines logo]()
$651
This American Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 10/209:25 pm -
1 stop14h 36m
Tue 10/276:30 am -
2 stops10h 47m
Deal found 9/3![American Airlines logo]()
$274
This American Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2812:56 pm -
1 stop19h 35m
Wed 11/188:30 am -
1 stop14h 59m
Deal found 9/2![American Airlines logo]()
$279
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 September 7, 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 September 7, 2026.
This American Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 10/410:51 pm -
1 stop12h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![American Airlines logo]()
$137
This American Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 10/56:20 am -
1 stop14h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![American Airlines logo]()
$140
This American Airlines deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/289:25 pm -
1 stop10h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![American Airlines logo]()
$142
This Kiwi.com deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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 9/295:54 pm -
2 stops18h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Frontier logo]()
$171
This American Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 1/76:15 am -
2 stops23h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![American Airlines logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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 10/19:03 pm -
2 stops33h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Frontier logo]()
$190
This American Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 1/612:08 pm -
1 stop17h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![American Airlines logo]()
$192
This Kiwi.com deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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 12/74:41 pm -
2 stops27h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Frontier logo]()
$201
This Kiwi.com deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” 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 9/234:54 pm -
2 stops54h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Frontier logo]()
$205
This Kiwi.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/199:03 am -
2 stops14h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Frontier logo]()
$209
This Kiwi.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” 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 10/76:25 am -
2 stops40h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Frontier logo]()
$211
This American Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 1/53:33 pm -
1 stop10h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![American Airlines logo]()
$213
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 September 7, 2026.
Round-trip from | $273 (American Airlines) |
|---|---|
One-way from | $137 (American Airlines) |
Popular in | December |
Cheapest in | October |
Average price | $426 |
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 7,457,451 searches. Data last updated September 7, 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 San Diego - SJU San Juan Luis Munoz Marin Intl
SANSJU
San Diego
Sun 10/4
9:25 pm-11:31 am
2 stops11h 06m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-8:00 pm
Nonstop0h 00m
$137
San DiegoSan Juan
SAN San Diego - SJU San Juan Luis Munoz Marin Intl
SANSJU
San Diego
Sat 9/26
4:23 pm-12:03 pm
2 stops16h 40m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-8:00 pm
Nonstop0h 00m
$213
San DiegoSan Juan
SAN San Diego - SJU San Juan Luis Munoz Marin Intl
SANSJU
San Diego
Sun 11/8
9:10 am-12:55 am
2 stops11h 45m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-8:00 pm
Nonstop0h 00m
$213
San DiegoSan Juan
SAN San Diego - SJU San Juan Luis Munoz Marin Intl
SANSJU
San Diego
Wed 2/17
7:00 am-11:55 pm
1 stop12h 55m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-8:00 pm
Nonstop0h 00m
$213
Quickest round-trip
San DiegoSan Juan
SAN San Diego - SJU San Juan Luis Munoz Marin Intl
SANSJU
San Diego
Thu 2/4
9:55 am-10:00 pm
1 stop8h 05m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-8:00 pm
Nonstop0h 00m
$213
San DiegoSan Juan
SAN San Diego - SJU San Juan Luis Munoz Marin Intl
SANSJU
San Diego
Sun 9/27
9:45 pm-11:45 am
1 stop11h 00m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-8:00 pm
Nonstop0h 00m
$213
San DiegoSan Juan
SAN San Diego - SJU San Juan Luis Munoz Marin Intl
SANSJU
San Diego
Fri 1/8
7:41 pm-2:18 pm
2 stops14h 37m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-8:00 pm
Nonstop0h 00m
$237
San DiegoAguadilla
SAN San Diego - BQN Aguadilla Borinquen
SANBQN
San Diego
Mon 10/5
9:03 pm-10:14 am
2 stops34h 11m
Aguadilla Borinquen
Wed 12/31
12:00 am-8:00 pm
Nonstop0h 00m
$242
San DiegoSan Juan
SAN San Diego - SJU San Juan Luis Munoz Marin Intl
SANSJU
San Diego
Fri 2/5
8:45 am-11:40 pm
1 stop10h 55m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-8:00 pm
Nonstop0h 00m
$252
San DiegoPonce
SAN San Diego - PSE Ponce Mercedita
SANPSE
San Diego
Fri 10/2
4:54 pm-9:18 am
2 stops37h 24m
Ponce Mercedita
Wed 12/31
12:00 am-8:00 pm
Nonstop0h 00m
$277
Showing 1-10 of 32 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-PSE
SAN-BQN
SAN-CPX
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-PSE
SAN-BQN
SAN-CPX
What is the cheapest month to book a flight from San Diego to Puerto Rico?
Currently, October is the cheapest month in which you can book a flight from San Diego to Puerto Rico (average of $421). Flying from San Diego to Puerto Rico in December is currently the most expensive (average of $732). 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 Diego to Puerto Rico?
The price you pay for your flight from San Diego to Puerto Rico may vary depending on when you book. For the best chance of a lower fare, look to book 74 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
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 September 7, 2026.
Read reviews from past customers who have flown Southwest,Delta, andUnited Airlines 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.
Comfort
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
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.
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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 September 7, 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 7 airlines flying from San Diego to Puerto Rico
Discover the top 7 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 7,457,451 searches. Data last updated September 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$138 | Average$476 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$158 | Average$404 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$295 | Average$466 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$316 | Average$525 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$350 | Average$537 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$407 | Average$572 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$523 | Average$595 | FlexibilityNo cancel fee | On-time75% |