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Puerto Rico

$122+ 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 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SJU
Feb 14 — Feb 211
Sat 2/14
Sat 2/21
1 adult, Economy
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Cheap 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 January 15, 2026.

Round-trip from

$295
(Kiwi.com)

One-way from

$122
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$448
From San Diego to Puerto Rico
Search Deals
One-way flight from San Diego to Puerto Rico
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($25 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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Find 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 January 15, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/14. 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 2/119:45 am
SAN
-
SJU
1 stop21h 52m
Multiple Airlines
Thu 2/197:44 pm
SJU
-
SAN
1 stop17h 06m
Multiple Airlines
Deal found 1/14$295
This Kiwi.com deal was found by Cheapflights users on 1/13. 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 2/156:25 am
SAN
-
SJU
2 stops27h 57m
Multiple Airlines
Thu 2/197:44 pm
SJU
-
SAN
1 stop17h 06m
Multiple Airlines
Deal found 1/13$297
This Kiwi.com deal was found by Cheapflights users on 1/14. 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 2/279:45 am
SAN
-
SJU
1 stop21h 52m
Multiple Airlines
Thu 3/57:09 pm
SJU
-
SAN
2 stops33h 00m
Multiple Airlines
Deal found 1/14$301
This Kiwi.com deal was found by Cheapflights users on 1/14. 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 2/107:11 am
SAN
-
SJU
2 stops25h 16m
Multiple Airlines
Fri 2/207:44 pm
SJU
-
SAN
1 stop18h 42m
Multiple Airlines
Deal found 1/14$305
This Kiwi.com deal was found by Cheapflights users on 1/14. 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 2/259:45 am
SAN
-
SJU
1 stop21h 52m
Multiple Airlines
Fri 2/277:44 pm
SJU
-
SAN
2 stops19h 44m
Multiple Airlines
Deal found 1/14$308
This Kiwi.com deal was found by Cheapflights users on 1/14. 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.
Mon 2/236:25 am
SAN
-
SJU
2 stops28h 41m
Multiple Airlines
Fri 2/277:44 pm
SJU
-
SAN
1 stop18h 42m
Multiple Airlines
Deal found 1/14$309
This Kiwi.com deal was found by Cheapflights users on 1/13. 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 2/2111:21 am
SAN
-
SJU
1 stop20h 16m
Multiple Airlines
Sat 2/288:53 pm
SJU
-
SAN
2 stops41h 52m
Multiple Airlines
Deal found 1/13$311
This Kiwi.com deal was found by Cheapflights users on 1/14. 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 2/119:45 am
SAN
-
SJU
1 stop21h 52m
Multiple Airlines
Wed 2/185:25 pm
SJU
-
SAN
2 stops21h 49m
Multiple Airlines
Deal found 1/14$312
This United Airlines deal was found by Cheapflights users on 1/13. 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 2/257:05 am
SAN
-
BQN
1 stop12h 52m
United Airlines
Tue 3/31:09 am
BQN
-
SAN
2 stops17h 40m
United Airlines
Deal found 1/13$316
This Delta deal was found by Cheapflights users on 1/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/247:00 am
SAN
-
SJU
1 stop13h 56m
Delta
Sat 10/312:31 pm
SJU
-
SAN
2 stops12h 16m
Delta
Deal found 1/13$316
This American Airlines deal was found by Cheapflights users on 1/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:45 pm
SAN
-
SJU
1 stop16h 13m
American Airlines
Sat 10/248:35 am
SJU
-
SAN
1 stop12h 50m
American Airlines
Deal found 1/14$317
This JetBlue deal was found by Cheapflights users on 1/14. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1410:25 am
SAN
-
BQN
1 stop12h 10m
JetBlue
Sat 4/255:01 am
BQN
-
SAN
1 stop12h 01m
JetBlue
Deal found 1/14$359

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 January 15, 2026.
Use the filters below to find and compare flights from San Diego to Puerto Rico that are best for you.

Fly from

San Diego

Fly to

Puerto Rico

Route

Depart

Return

Price

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Fri 2/13

6:25 am-1:59 pm

2 stops51h 34m

San Juan Luis Munoz Marin Intl

Fri 2/20

7:44 pm-10:26 am

1 stop18h 42m

$303

San DiegoAguadilla

SAN - BQN

SANBQN

San Diego

Wed 2/25

7:05 am-11:57 pm

1 stop12h 52m

Aguadilla Borinquen

Tue 3/3

1:09 am-10:20 am

1 stop13h 11m

$316

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Tue 4/14

11:02 am-10:54 pm

1 stop8h 52m

San Juan Luis Munoz Marin Intl

Thu 4/23

1:50 pm-10:49 pm

1 stop11h 59m

$316

San DiegoAguadilla

SAN - BQN

SANBQN

San Diego

Wed 4/15

6:15 am-11:09 pm

2 stops13h 54m

Aguadilla Borinquen

Tue 4/21

12:15 am-9:40 am

1 stop12h 25m

$316

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Sun 4/12

10:10 pm-12:50 pm

1 stop11h 40m

San Juan Luis Munoz Marin Intl

Wed 4/22

12:50 pm-11:10 pm

1 stop13h 20m

$316

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Wed 4/15

6:15 am-8:38 pm

1 stop11h 23m

San Juan Luis Munoz Marin Intl

Wed 4/22

7:20 am-3:15 pm

1 stop10h 55m

$316

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Sat 3/21

5:50 pm-5:11 am

1 stop8h 21m

San Juan Luis Munoz Marin Intl

Wed 3/25

6:40 am-7:48 pm

2 stops16h 08m

$316

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Mon 3/23

9:00 pm-1:38 pm

1 stop13h 38m

San Juan Luis Munoz Marin Intl

Tue 4/7

7:00 am-6:55 pm

1 stop14h 55m

$329

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Thu 2/19

6:20 am-11:31 pm

1 stop13h 11m

San Juan Luis Munoz Marin Intl

Wed 2/25

7:33 am-3:49 pm

1 stop12h 16m

$354

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Mon 3/9

7:30 pm-9:20 am

2 stops10h 50m

San Juan Luis Munoz Marin Intl

Thu 3/12

5:00 am-6:45 pm

1 stop16h 45m

$367

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/14

Showing 1-10 of 39 results
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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, April is the cheapest month in which you can book a flight from San Diego to Puerto Rico (average of $145). Flying from San Diego to Puerto Rico in July is currently the most expensive (average of $365). 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 January 15, 2026.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta 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.
Alaska Airlines
8.0
Very good
11,721 reviews

Crew

8.5

Entertainment

7.0

Overall

8.0

Food

7.1

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Alaska Airlines
8.0
Very good
11,721 reviews
Alaska Airlines
8.0
Very good
11,721 reviews

Crew

8.5

Entertainment

7.0

Overall

8.0

Food

7.1

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Southwest
8.0
Very good
4,258 reviews
Alaska Airlines
8.0
Very good
11,721 reviews

Crew

8.5

Entertainment

7.0

Overall

8.0

Food

7.1

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Delta
7.9
Good
8,051 reviews
Alaska Airlines
8.0
Very good
11,721 reviews

Crew

8.5

Entertainment

7.0

Overall

8.0

Food

7.1

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
United Airlines
7.4
Good
9,164 reviews
Alaska Airlines
8.0
Very good
11,721 reviews

Crew

8.5

Entertainment

7.0

Overall

8.0

Food

7.1

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
American Airlines
7.2
Good
11,136 reviews
Alaska Airlines
8.0
Very good
11,721 reviews

Crew

8.5

Entertainment

7.0

Overall

8.0

Food

7.1

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

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 $316, United Airlines can have you in Puerto Rico from San Diego in 8h 52m. The distance between San Diego and Puerto Rico is about 3304 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 $89. 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?

    The most popular route from San Diego to Puerto Rico is San Diego - San Juan Luis Munoz Marin Intl. You may also consider San Diego - Aguadilla Borinquen or San Diego - Culebra.

  • 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, April is the cheapest month in which you can book a flight from San Diego to Puerto Rico (average of $145). Flying from San Diego to Puerto Rico in July is currently the most expensive (average of $365). 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

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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.
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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 January 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$176Average$541FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$214Average$540FlexibilityNo cancel feeOn-time62%
FrontierCheapest$215Average$453FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$260Average$366FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$295Average$470FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$324Average$525FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$382Average$589FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$475Average$585FlexibilityNo cancel feeOn-time75%

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