$137+ Cheap flights from Puerto Rico to San Diego (SAN)
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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — SAN
Sep 25 — Oct 21
Round-trip
1 adult, Economy
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Find cheap flights from Puerto Rico to San Diego 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 Puerto Rico to San Diego
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Best
Last-minute
One-way
Cheapest flights from Puerto Rico to San DiegoExplore the most affordable flight options available from Puerto Rico to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 26, 2026.
Explore the most affordable flight options available from Puerto Rico to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 26, 2026.
This United Airlines deal was found by Cheapflights users on 8/24. 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.
Fri 9/182:55 pm -
1 stop10h 54m
Mon 9/2110:25 pm -
1 stop10h 32m
Deal found 8/24![United Airlines logo]()
$274
This Delta deal was found by Cheapflights users on 8/21. 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.
Wed 10/72:59 pm -
2 stops11h 56m
Sat 10/103:59 pm -
2 stops17h 06m
Deal found 8/21![Delta logo]()
$276
This American Airlines deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/193:41 pm -
1 stop20h 19m
Wed 10/712:56 pm -
1 stop17h 50m
Deal found 8/24![American Airlines logo]()
$279
This United Airlines deal was found by Cheapflights users on 8/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/181:00 am -
2 stops13h 25m
Wed 10/146:15 am -
2 stops11h 23m
Deal found 8/21![United Airlines logo]()
$300
This United Airlines deal was found by Cheapflights users on 8/24. 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.
Thu 10/12:00 pm -
1 stop11h 27m
Tue 10/66:15 am -
2 stops11h 23m
Deal found 8/24![United Airlines logo]()
$309
This United Airlines deal was found by Cheapflights users on 8/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/72:00 pm -
1 stop11h 27m
Fri 10/99:45 pm -
1 stop11h 49m
Deal found 8/21![United Airlines logo]()
$322
This United Airlines deal was found by Cheapflights users on 8/25. 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 9/301:00 am -
2 stops13h 35m
Mon 10/510:20 pm -
1 stop10h 37m
Deal found 8/25![United Airlines logo]()
$326
This KAYAK deal was found by Cheapflights users on 8/24. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/76:55 pm -
2 stops20h 14m
Thu 11/127:15 pm -
2 stops14h 24m
Deal found 8/24![American Airlines logo]()
$327
This American Airlines deal was found by Cheapflights users on 8/21. 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 9/183:41 pm -
1 stop20h 18m
Tue 10/134:26 pm -
1 stop19h 57m
Deal found 8/21![American Airlines logo]()
$348
This American Airlines deal was found by Cheapflights users on 8/21. 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 9/183:41 pm -
1 stop20h 18m
Wed 10/149:25 pm -
1 stop10h 55m
Deal found 8/21![American Airlines logo]()
$353
This American Airlines deal was found by Cheapflights users on 8/21. 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.
Sat 9/193:35 pm -
1 stop9h 13m
Wed 10/149:25 pm -
1 stop10h 55m
Deal found 8/21![American Airlines logo]()
$355
This United Airlines deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1612:15 am -
2 stops14h 20m
Mon 9/217:41 pm -
2 stops24h 28m
Deal found 8/22![United Airlines logo]()
$661
Best flights from Puerto Rico to San DiegoDiscover carefully curated flight deals from Puerto Rico to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 26, 2026.
Discover carefully curated flight deals from Puerto Rico to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 26, 2026.
This United Airlines deal was found by Cheapflights users on 8/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/61:00 am -
2 stops13h 35m
Sat 10/1010:20 pm -
1 stop10h 37m
Deal found 8/21![United Airlines logo]()
$274
This Delta deal was found by Cheapflights users on 8/21. 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.
Wed 10/72:59 pm -
2 stops11h 56m
Sat 10/103:59 pm -
2 stops17h 06m
Deal found 8/21![Delta logo]()
$276
This Southwest deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/75:05 am -
2 stops12h 10m
Fri 10/97:15 pm -
2 stops11h 25m
Deal found 8/21![Southwest logo]()
$476
This United Airlines deal was found by Cheapflights users on 8/24. 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.
Tue 11/37:40 am -
1 stop12h 14m
Sat 11/79:45 pm -
1 stop11h 30m
Deal found 8/24![United Airlines logo]()
$274
This United Airlines deal was found by Cheapflights users on 8/24. 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.
Thu 10/12:00 pm -
1 stop11h 27m
Tue 10/66:15 am -
2 stops11h 23m
Deal found 8/24![United Airlines logo]()
$309
This United Airlines deal was found by Cheapflights users on 8/21. 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 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 05m
Fri 10/99:45 pm -
1 stop11h 49m
Deal found 8/21![United Airlines logo]()
$353
This United Airlines deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:40 am -
2 stops13h 35m
Wed 10/286:30 pm -
2 stops13h 20m
Deal found 8/25![United Airlines logo]()
$364
This United Airlines deal was found by Cheapflights users on 8/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/182:55 pm -
1 stop10h 54m
Mon 9/216:28 pm -
2 stops16h 25m
Deal found 8/21![United Airlines logo]()
$364
This United Airlines deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1612:15 am -
2 stops14h 20m
Mon 9/217:41 pm -
2 stops24h 28m
Deal found 8/22![United Airlines logo]()
$661
This United Airlines deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/171:19 pm -
2 stops28h 38m
Mon 9/2110:25 pm -
2 stops14h 46m
Deal found 8/22![United Airlines logo]()
$1,001
Last-minute flights from Puerto Rico to San DiegoDiscover last-minute flight deals from Puerto Rico to San Diego. Data last updated August 26, 2026 and is based on user searches.
Discover last-minute flight deals from Puerto Rico to San Diego. Data last updated August 26, 2026 and is based on user searches.
This Faresmojo deal was found by Cheapflights users on 8/24. 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 Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/21:19 pm -
1 stop13h 24m
Mon 9/149:59 pm -
1 stop11h 04m
Deal found 8/24![JetBlue logo]()
$406
This United Airlines deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1612:15 am -
2 stops14h 20m
Mon 9/217:41 pm -
2 stops24h 28m
Deal found 8/22![United Airlines logo]()
$661
This United Airlines deal was found by Cheapflights users on 8/25. 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.
Thu 9/171:19 pm -
3 stops34h 26m
Mon 9/219:05 pm -
2 stops16h 06m
Deal found 8/25![United Airlines logo]()
$1,001
This United Airlines deal was found by Cheapflights users on 8/24. 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.
Fri 9/182:55 pm -
1 stop10h 54m
Mon 9/2110:25 pm -
1 stop10h 32m
Deal found 8/24![United Airlines logo]()
$274
This American Airlines deal was found by Cheapflights users on 8/21. 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 9/183:41 pm -
1 stop20h 18m
Tue 10/134:26 pm -
1 stop19h 57m
Deal found 8/21![American Airlines logo]()
$348
This American Airlines deal was found by Cheapflights users on 8/21. 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 9/183:41 pm -
1 stop20h 18m
Wed 10/149:25 pm -
1 stop10h 55m
Deal found 8/21![American Airlines logo]()
$353
This American Airlines deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/183:35 pm -
1 stop19h 43m
Mon 9/2110:46 pm -
2 stops13h 54m
Deal found 8/24![American Airlines logo]()
$378
This American Airlines deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/193:41 pm -
1 stop20h 19m
Wed 10/712:56 pm -
1 stop17h 50m
Deal found 8/24![American Airlines logo]()
$279
This United Airlines deal was found by Cheapflights users on 8/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/197:00 am -
1 stop9h 17m
Wed 10/146:15 am -
2 stops11h 23m
Deal found 8/21![United Airlines logo]()
$300
This American Airlines deal was found by Cheapflights users on 8/21. 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.
Sat 9/193:35 pm -
1 stop9h 13m
Wed 10/149:25 pm -
1 stop10h 55m
Deal found 8/21![American Airlines logo]()
$355
This United Airlines deal was found by Cheapflights users on 8/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/197:00 am -
1 stop9h 17m
Tue 10/66:15 am -
2 stops11h 23m
Deal found 8/21![United Airlines logo]()
$364
This American Airlines deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/213:41 pm -
1 stop20h 18m
Mon 9/2810:27 pm -
1 stop13h 23m
Deal found 8/24![American Airlines logo]()
$384
One-way flights from Puerto Rico to San DiegoSearch for one-way flight options from Puerto Rico to San Diego. Find affordable one-way fares based on user searches. Data last updated August 26, 2026.
Search for one-way flight options from Puerto Rico to San Diego. Find affordable one-way fares based on user searches. Data last updated August 26, 2026.
This United Airlines deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/221:25 pm -
1 stop12h 24m
Deal found 8/25![United Airlines logo]()
$137
This American Airlines deal was found by Cheapflights users on 8/22. 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.
Sat 10/242:54 pm -
1 stop11h 39m
Deal found 8/22![American Airlines logo]()
$138
This American Airlines deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1612:41 pm -
1 stop11h 56m
Deal found 8/24![American Airlines logo]()
$139
This Kiwi.com deal was found by Cheapflights users on 8/25. 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.
Mon 9/217:00 am -
2 stops36h 59m
Deal found 8/25![Frontier logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/92:51 pm -
2 stops28h 58m
Deal found 8/24![Frontier logo]()
$166
This United Airlines deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/11:00 am -
2 stops13h 35m
Deal found 8/22![United Airlines logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1712:59 am -
2 stops45h 50m
Deal found 8/24![Frontier logo]()
$178
This Kiwi.com deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/17:30 am -
2 stops35h 11m
Deal found 8/22![Frontier logo]()
$196
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/192:57 am -
2 stops40h 01m
Deal found 8/24![Frontier logo]()
$197
This Kiwi.com deal was found by Cheapflights users on 8/26. 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 8/297:30 am -
2 stops35h 11m
Deal found 8/26![Frontier logo]()
$212
This United Airlines deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2212:15 am -
1 stop12h 34m
Deal found 8/23![United Airlines logo]()
$218
This Kiwi.com deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/87:23 am -
2 stops40h 24m
Deal found 8/22![Frontier logo]()
$221
Find flight deals from Puerto Rico to San Diego
Keep the following information in mind while searching for Puerto Rico to San Diego flight deals. Data was last updated August 26, 2026.
Round-trip from | $274 (United Airlines) |
|---|---|
One-way from | $137 (United Airlines) |
Popular in | November |
Cheapest in | October |
Average price | $565 |
Cheapflights Fare Finder
Customize your flight search to find flights from Puerto Rico to San Diego 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 August 26, 2026.
Use the filters below to find and compare flights from Puerto Rico to San Diego that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San JuanSan Diego
SJU San Juan Luis Munoz Marin Intl - SAN San Diego
SJUSAN
San Juan Luis Munoz Marin Intl
Tue 10/6
1:00 am-11:35 am
2 stops13h 35m
San Diego
Sat 10/10
10:20 pm-11:57 am
1 stop10h 37m
$274
San JuanSan Diego
SJU San Juan Luis Munoz Marin Intl - SAN San Diego
SJUSAN
San Juan Luis Munoz Marin Intl
Tue 11/3
7:40 am-3:54 pm
1 stop12h 14m
San Diego
Sat 11/7
9:45 pm-1:15 pm
1 stop11h 30m
$274
San JuanSan Diego
SJU San Juan Luis Munoz Marin Intl - SAN San Diego
SJUSAN
San Juan Luis Munoz Marin Intl
Wed 10/7
2:59 pm-11:55 pm
2 stops11h 56m
San Diego
Sat 10/10
3:59 pm-12:05 pm
2 stops17h 06m
$276
Quickest round-trip
San JuanSan Diego
SJU San Juan Luis Munoz Marin Intl - SAN San Diego
SJUSAN
San Juan Luis Munoz Marin Intl
Thu 10/1
2:00 pm-10:27 pm
1 stop11h 27m
San Diego
Tue 10/6
6:15 am-8:38 pm
2 stops11h 23m
$309
San JuanSan Diego
SJU San Juan Luis Munoz Marin Intl - SAN San Diego
SJUSAN
San Juan Luis Munoz Marin Intl
Wed 10/7
7:00 am-5:05 pm
2 stops13h 05m
San Diego
Fri 10/9
9:45 pm-12:34 pm
1 stop11h 49m
$353
San JuanSan Diego
SJU San Juan Luis Munoz Marin Intl - SAN San Diego
SJUSAN
San Juan Luis Munoz Marin Intl
Tue 10/27
6:40 am-5:15 pm
2 stops13h 35m
San Diego
Wed 10/28
6:30 pm-10:50 am
2 stops13h 20m
$364
San JuanSan Diego
SJU San Juan Luis Munoz Marin Intl - SAN San Diego
SJUSAN
San Juan Luis Munoz Marin Intl
Fri 9/18
2:55 pm-10:49 pm
1 stop10h 54m
San Diego
Mon 9/21
6:28 pm-1:53 pm
2 stops16h 25m
$364
San JuanSan Diego
SJU San Juan Luis Munoz Marin Intl - SAN San Diego
SJUSAN
San Juan Luis Munoz Marin Intl
Wed 10/7
5:05 am-2:15 pm
2 stops12h 10m
San Diego
Fri 10/9
7:15 pm-9:40 am
2 stops11h 25m
$476
AguadillaSan Diego
BQN Aguadilla Borinquen - SAN San Diego
BQNSAN
Aguadilla Borinquen
Wed 9/16
12:15 am-11:35 am
2 stops14h 20m
San Diego
Mon 9/21
7:41 pm-11:09 pm
2 stops24h 28m
$661
MayagüezSan Diego
MAZ Mayagüez Eugenio M De Hostos - SAN San Diego
MAZSAN
Mayagüez Eugenio M De Hostos
Thu 9/17
1:19 pm-2:57 pm
2 stops28h 38m
San Diego
Mon 9/21
10:25 pm-4:11 pm
2 stops14h 46m
$1,001
Showing 1-10 of 21 resultsSorted by cheapest first
Best time to book a flight from Puerto Rico to San Diego
Have a flexible travel schedule? Discover the best time to fly to San Diego from Puerto Rico with our price prediction graph.
SJU-SAN
BQN-SAN
MAZ-SAN
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 Puerto Rico to San Diego
PR0-SAN
SJU-SAN
BQN-SAN
MAZ-SAN
What is the cheapest month to book a flight from Puerto Rico to San Diego?
Currently, October is the cheapest month in which you can book a flight from Puerto Rico to San Diego (average of $413). Flying from Puerto Rico to San Diego in November is currently the most expensive (average of $581). 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 Puerto Rico to San Diego?
Booking 80 days in advance of your planned departure date is, on average, the best time to get cheap flights from Puerto Rico to San Diego. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Reviews of airlines servicing San Diego
Get insights into the airlines that provide service to San Diego. 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 San Diego. Reviews last updated August 26, 2026.
Read through reviews of airlines operating flights from Puerto Rico to San Diego, such as Southwest,Delta, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Overall
8.0
Entertainment
7.5
Comfort
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Overall
8.0
Entertainment
7.5
Comfort
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Overall
8.0
Entertainment
7.5
Comfort
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Overall
8.0
Entertainment
7.5
Comfort
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Overall
8.0
Entertainment
7.5
Comfort
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Overall
8.0
Entertainment
7.5
Comfort
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Related info for your journey
Find useful and relevant information for your journey from Puerto Rico to San Diego. 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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Book flights to San Diego if you plan to visit one of these locationsEl Cajon
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Puerto Rico and San Diego flights
Browse other Puerto Rico and San Diego flight options. Last updated on August 26, 2026.
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Puerto Rico to San Diego flights
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Top 5 airlines flying from Puerto Rico to San Diego
Discover the top 5 airlines that operate flights from Puerto Rico to San Diego. 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 August 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$295 | Average$506 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$295 | Average$575 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$311 | Average$514 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$326 | Average$486 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$327 | Average$473 | FlexibilityNo cancel fee | On-time62% |