San Diego

$149+ 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 3/8. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — SAN
Mar 20 — Mar 271
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Cheap flight deals from Puerto Rico to San Diego

Cheapest flights from Puerto Rico to San Diego
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 February 18, 2026.

This Southwest deal was found by Cheapflights users on 2/15. 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 4/155:05 am
SJU
-
SAN
1 stop16h 50m
Southwest
Wed 4/226:20 am
SAN
-
SJU
1 stop13h 20m
Southwest
Deal found 2/15$326
This American Airlines deal was found by Cheapflights users on 2/15. 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 4/2210:03 am
SJU
-
SAN
2 stops11h 22m
American Airlines
Mon 4/273:21 pm
SAN
-
SJU
1 stop10h 11m
American Airlines
Deal found 2/15$331
This Kiwi.com deal was found by Cheapflights users on 2/14. 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 4/156:49 pm
SJU
-
SAN
1 stop32h 22m
Multiple Airlines
Wed 4/297:15 am
SAN
-
SJU
2 stops31h 15m
Multiple Airlines
Deal found 2/14$338
This Kiwi.com deal was found by Cheapflights users on 2/14. 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 4/173:18 pm
SJU
-
SAN
2 stops31h 46m
Multiple Airlines
Fri 5/16:55 am
SAN
-
SJU
1 stop25h 40m
Multiple Airlines
Deal found 2/14$339
This Kiwi.com deal was found by Cheapflights users on 2/14. 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 4/166:49 pm
SJU
-
SAN
1 stop32h 22m
Multiple Airlines
Wed 4/297:15 am
SAN
-
SJU
2 stops31h 15m
Multiple Airlines
Deal found 2/14$343
This Kiwi.com deal was found by Cheapflights users on 2/14. 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 4/1410:53 am
SJU
-
SAN
2 stops36h 11m
Multiple Airlines
Fri 5/16:55 am
SAN
-
SJU
1 stop25h 40m
Multiple Airlines
Deal found 2/14$345
This Kiwi.com deal was found by Cheapflights users on 2/14. 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 4/1410:53 am
SJU
-
SAN
2 stops36h 11m
Multiple Airlines
Sun 4/266:55 am
SAN
-
SJU
1 stop25h 40m
Multiple Airlines
Deal found 2/14$350
This Kiwi.com deal was found by Cheapflights users on 2/14. 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 4/163:18 pm
SJU
-
SAN
2 stops35h 43m
Multiple Airlines
Fri 5/16:55 am
SAN
-
SJU
1 stop25h 40m
Multiple Airlines
Deal found 2/14$357
This Kiwi.com deal was found by Cheapflights users on 2/14. 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 4/163:18 pm
SJU
-
SAN
2 stops35h 43m
Multiple Airlines
Sun 4/266:55 am
SAN
-
SJU
1 stop25h 40m
Multiple Airlines
Deal found 2/14$361
This United Airlines deal was found by Cheapflights users on 2/17. 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.
Tue 4/712:15 am
BQN
-
SAN
2 stops17h 42m
United Airlines
Wed 4/156:20 am
SAN
-
BQN
2 stops13h 49m
United Airlines
Deal found 2/17$589
This Faresmojo deal was found by Cheapflights users on 2/15. 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.
Tue 4/712:15 am
BQN
-
SAN
2 stops15h 37m
Sun Country Air
Wed 4/156:20 am
SAN
-
BQN
2 stops13h 49m
Sun Country Air
Deal found 2/15$626
This Faresmojo deal was found by Cheapflights users on 2/18. 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 Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/812:15 am
BQN
-
SAN
2 stops14h 40m
Sun Country Air
Thu 4/166:20 am
SAN
-
BQN
2 stops13h 49m
Sun Country Air
Deal found 2/18$636

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 February 18, 2026.

Round-trip from

$326
(Southwest)

One-way from

$149
(Kiwi.com)

Popular in

February

Cheapest in

October

Average price

$553
From Puerto Rico to San Diego
One-way flight from Puerto Rico to San Diego
Highest demand for flights based on searches. 5% potential increase in price ($25 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Average for round-trip flights in February 2026

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 2,558,603 searches. Data last updated February 18, 2026.
Use the filters below to find and compare flights from Puerto Rico to San Diego that are best for you.

Fly from

Puerto Rico

Fly to

San Diego

Route

Depart

Return

Price

San JuanSan Diego

SJU - SAN

SJUSAN

San Juan Luis Munoz Marin Intl

Wed 4/15

7:30 am-6:39 pm

1 stop14h 09m

San Diego

Mon 4/27

6:51 pm-12:12 pm

2 stops14h 21m

$326

San JuanSan Diego

SJU - SAN

SJUSAN

San Juan Luis Munoz Marin Intl

Wed 4/15

5:05 am-6:55 pm

1 stop16h 50m

San Diego

Wed 4/22

6:20 am-10:40 pm

1 stop13h 20m

$326

San JuanSan Diego

SJU - SAN

SJUSAN

San Juan Luis Munoz Marin Intl

Wed 4/22

7:25 am-7:00 pm

1 stop14h 35m

San Diego

Mon 4/27

10:05 pm-12:29 pm

1 stop11h 24m

$326

San JuanSan Diego

SJU - SAN

SJUSAN

San Juan Luis Munoz Marin Intl

Fri 4/17

7:30 am-6:39 pm

1 stop14h 09m

San Diego

Fri 5/1

10:10 pm-12:52 pm

1 stop11h 42m

$326

San JuanSan Diego

SJU - SAN

SJUSAN

San Juan Luis Munoz Marin Intl

Thu 4/16

2:03 pm-11:06 pm

1 stop12h 03m

San Diego

Tue 4/28

6:51 pm-4:31 pm

2 stops18h 40m

$326

San JuanSan Diego

SJU - SAN

SJUSAN

San Juan Luis Munoz Marin Intl

Wed 4/15

7:30 am-6:39 pm

1 stop14h 09m

San Diego

Sat 4/25

6:51 pm-12:12 pm

2 stops14h 21m

$326

San JuanSan Diego

SJU - SAN

SJUSAN

San Juan Luis Munoz Marin Intl

Wed 4/15

7:30 am-6:39 pm

1 stop14h 09m

San Diego

Tue 4/28

11:02 am-11:13 pm

1 stop9h 11m

$326

San JuanSan Diego

SJU - SAN

SJUSAN

San Juan Luis Munoz Marin Intl

Thu 4/16

2:03 pm-11:06 pm

1 stop12h 03m

San Diego

Sat 4/25

6:51 pm-12:12 pm

2 stops14h 21m

$326

San JuanSan Diego

SJU - SAN

SJUSAN

San Juan Luis Munoz Marin Intl

Fri 4/17

7:30 am-6:39 pm

1 stop14h 09m

San Diego

Tue 4/28

1:40 pm-4:31 pm

2 stops23h 51m

$326

AguadillaSan Diego

BQN - SAN

BQNSAN

Aguadilla Borinquen

Tue 4/7

12:15 am-2:57 pm

2 stops17h 42m

San Diego

Wed 4/15

6:20 am-11:09 pm

2 stops13h 49m

$589

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/17

Showing 1-10 of 20 results
1
2

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.
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

What is the cheapest month to book a flight from Puerto Rico to San Diego?

Currently, August is the cheapest month in which you can book a flight from Puerto Rico to San Diego (average of $216). Flying from Puerto Rico to San Diego in April is currently the most expensive (average of $393). 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 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 February 18, 2026.
Read through reviews of airlines operating flights from Puerto Rico to San Diego, such as Alaska Airlines, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.1

Overall

8.0

Entertainment

7.0

Food

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.

Boarding

8.1

Overall

8.0

Entertainment

7.0

Food

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.

Boarding

8.1

Overall

8.0

Entertainment

7.0

Food

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.

Boarding

8.1

Overall

8.0

Entertainment

7.0

Food

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.

Boarding

8.1

Overall

8.0

Entertainment

7.0

Food

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.

Boarding

8.1

Overall

8.0

Entertainment

7.0

Food

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.

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

    San Diego (SAN), located 2.6 mi from the city center, is the airport you fly into when you book flights from Puerto Rico to San Diego.

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

    Delta, Southwest, and American Airlines can get you from Puerto Rico to San Diego in just under 14h 09m. Your travel time can differ by up to 2h 41m. The distance from Puerto Rico to San Diego is about 3304 mi. This flight may include one or multiple stops.

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

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $148. American Airlines flights start at $148 while deals on JetBlue start at $171 one-way.

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

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Puerto Rico to San Diego 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 Puerto Rico to San Diego?

    Currently, August is the cheapest month in which you can book a flight from Puerto Rico to San Diego (average of $216). Flying from Puerto Rico to San Diego in April is currently the most expensive (average of $393). 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

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
El Cajon
Chula Vista
National City
Coronado
La Mesa
Poway
Julian
Lemon Grove

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Puerto Rico to San Diego

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from Puerto Rico to San Diego

Discover the top 6 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 2,558,603 searches. Data last updated February 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$295Average$524FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$295Average$450FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$295Average$487FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$327Average$483FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$377Average$481FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$408Average$479FlexibilityNo cancel feeOn-time63%

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