Puerto Rico

$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
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Cheap flight deals from San Diego to Puerto Rico

Cheapest flights from San Diego to Puerto Rico
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$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$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$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$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$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$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$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$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$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$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$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$379

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
From San Diego to Puerto Rico
One-way flight from San Diego to Puerto Rico
Highest demand for flights based on searches. 4% potential increase in price ($25 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
Average for round-trip flights in April 2026

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

Price

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

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Showing 1-10 of 39 resultsSorted by cheapest first
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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.
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

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
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Overall

8.0

Comfort

8.0

Entertainment

7.5

Crew

8.6

Food

7.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Overall

8.0

Comfort

8.0

Entertainment

7.5

Crew

8.6

Food

7.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Overall

8.0

Comfort

8.0

Entertainment

7.5

Crew

8.6

Food

7.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Overall

8.0

Comfort

8.0

Entertainment

7.5

Crew

8.6

Food

7.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Overall

8.0

Comfort

8.0

Entertainment

7.5

Crew

8.6

Food

7.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

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.
  • What airport do you fly from for flights from San Diego to Puerto Rico?

    Most people fly from San Diego (SAN) if they book a flight from San Diego to Puerto Rico. San Diego is conveniently located just 2.6 mi from San Diego’s city center.

  • How long is the flight from San Diego to Puerto Rico?

    For as low as $610, Delta can have you in Puerto Rico from San Diego in 12h 49m. The distance between San Diego and Puerto Rico is about 3236 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from San Diego to Puerto Rico one-way?

    The cheapest airline one-way is Spirit Airlines, with whom users have recently found tickets for as low as $90. However, be on the lookout for offers from United Airlines and American Airlines, as they are both options that can get you from San Diego to Puerto Rico for a low price.

  • What are the most popular routes from San Diego to Puerto Rico?

  • Can I find deals for flights from San Diego to Puerto Rico that include hotel bookings?

    Yes. In addition to deals on San Diego to Puerto Rico flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Diego to Puerto Rico?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Diego to Puerto Rico.

  • Can I find deals for business class flights from San Diego to Puerto Rico?

    Yes. Cheapflights offers flight deals from San Diego to Puerto Rico by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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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.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$176Average$448FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$182Average$478FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$214Average$547FlexibilityNo cancel feeOn-time62%
FrontierCheapest$215Average$460FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$260Average$450FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$298Average$533FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$382Average$563FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$475Average$630FlexibilityNo cancel feeOn-time75%

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