Puerto Rico

$126+ 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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SJU
Apr 1 — Apr 81
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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 March 2, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/96:45 am
SAN
-
SJU
2 stops14h 20m
Multiple Airlines
Fri 4/175:45 am
SJU
-
SAN
1 stop20h 44m
Multiple Airlines
Deal found 3/2$361
This Southwest deal was found by Cheapflights users on 3/1. 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 4/86:20 am
SAN
-
SJU
1 stop13h 20m
Southwest
Wed 4/1511:25 am
SJU
-
SAN
2 stops13h 05m
Southwest
Deal found 3/1$362
This Kiwi.com deal was found by Cheapflights users on 3/1. 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 4/66:45 am
SAN
-
SJU
1 stop25h 22m
Multiple Airlines
Mon 4/133:08 am
SJU
-
SAN
2 stops22h 58m
Multiple Airlines
Deal found 3/1$363
This American Airlines deal was found by Cheapflights users on 3/1. 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 5/56:30 am
SAN
-
SJU
2 stops11h 21m
American Airlines
Mon 5/1111:59 pm
SJU
-
SAN
1 stop11h 16m
American Airlines
Deal found 3/1$364
This Kiwi.com deal was found by Cheapflights users on 3/1. 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 4/109:28 pm
SAN
-
SJU
2 stops24h 23m
Multiple Airlines
Fri 4/175:45 am
SJU
-
SAN
1 stop20h 44m
Multiple Airlines
Deal found 3/1$366
This Kiwi.com deal was found by Cheapflights users on 3/1. 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 4/109:28 pm
SAN
-
SJU
2 stops24h 23m
Multiple Airlines
Thu 4/165:45 am
SJU
-
SAN
1 stop21h 26m
Multiple Airlines
Deal found 3/1$367
This Kiwi.com deal was found by Cheapflights users on 2/26. 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.
Mon 4/136:45 am
SAN
-
SJU
1 stop25h 22m
Multiple Airlines
Thu 4/161:55 pm
SJU
-
SAN
2 stops21h 39m
Multiple Airlines
Deal found 2/26$368
This Kiwi.com deal was found by Cheapflights users on 3/1. 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 4/96:45 am
SAN
-
SJU
2 stops14h 20m
Multiple Airlines
Thu 4/165:45 am
SJU
-
SAN
1 stop21h 26m
Multiple Airlines
Deal found 3/1$369
This Kiwi.com deal was found by Cheapflights users on 3/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/126:45 am
SAN
-
SJU
1 stop25h 22m
Multiple Airlines
Fri 4/177:17 pm
SJU
-
SAN
2 stops40h 17m
Multiple Airlines
Deal found 3/2$370
This Kiwi.com deal was found by Cheapflights users on 3/1. 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 4/712:00 pm
SAN
-
SJU
2 stops33h 29m
Multiple Airlines
Fri 4/175:45 am
SJU
-
SAN
1 stop20h 44m
Multiple Airlines
Deal found 3/1$372
This Kiwi.com deal was found by Cheapflights users on 3/1. 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 4/66:45 am
SAN
-
SJU
1 stop25h 22m
Multiple Airlines
Wed 4/156:30 am
SJU
-
SAN
2 stops29h 04m
Multiple Airlines
Deal found 3/1$373
This Priceline deal was found by Cheapflights users on 2/27. 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 4/279:15 pm
SAN
-
BQN
1 stop25h 21m
JetBlue
Fri 5/15:01 am
BQN
-
SAN
1 stop18h 03m
JetBlue
Deal found 2/27$446

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 March 2, 2026.

Round-trip from

$361
(Kiwi.com)

One-way from

$126
(Southwest)

Popular in

December

Cheapest in

October

Average price

$562
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 ($24 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
Average for round-trip flights in March 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 March 2, 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

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Sat 5/23

10:15 pm-1:11 pm

1 stop11h 56m

San Juan Luis Munoz Marin Intl

Thu 5/28

2:25 pm-10:00 pm

1 stop10h 35m

$405

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Sat 5/30

10:30 pm-12:04 pm

1 stop10h 34m

San Juan Luis Munoz Marin Intl

Thu 6/4

1:00 am-9:21 am

1 stop11h 21m

$416

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Mon 5/18

7:00 pm-12:04 pm

2 stops14h 04m

San Juan Luis Munoz Marin Intl

Tue 6/2

1:00 am-9:21 am

1 stop11h 21m

$416

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Mon 4/20

7:14 pm-1:45 pm

2 stops15h 31m

San Juan Luis Munoz Marin Intl

Fri 4/24

7:00 am-1:51 pm

1 stop9h 51m

$417

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Mon 5/18

7:10 pm-1:11 pm

2 stops15h 01m

San Juan Luis Munoz Marin Intl

Tue 5/26

2:25 pm-10:00 pm

1 stop10h 35m

$461

San DiegoAguadilla

SAN - BQN

SANBQN

San Diego

Wed 5/20

6:20 am-11:09 pm

2 stops13h 49m

Aguadilla Borinquen

Tue 6/2

12:15 am-11:51 am

2 stops14h 36m

$461

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Sat 4/25

6:20 am-8:38 pm

2 stops11h 18m

San Juan Luis Munoz Marin Intl

Sat 4/25

1:00 am-9:40 am

1 stop11h 40m

$476

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Sun 5/3

6:25 am-11:13 pm

2 stops13h 48m

San Juan Luis Munoz Marin Intl

Sun 5/10

2:25 pm-11:41 pm

2 stops12h 16m

$515

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Tue 4/14

6:20 am-8:38 pm

2 stops11h 18m

San Juan Luis Munoz Marin Intl

Sat 4/18

1:00 am-11:25 am

2 stops13h 25m

$563

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Sat 3/7

6:30 am-12:36 am

2 stops14h 06m

San Juan Luis Munoz Marin Intl

Thu 3/12

1:05 am-10:20 am

1 stop12h 15m

$570

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/26

Showing 1-10 of 31 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, April is the cheapest month in which you can book a flight from San Diego to Puerto Rico (average of $159). Flying from San Diego to Puerto Rico in July is currently the most expensive (average of $352). 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 March 2, 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.

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.0

Comfort

7.8

Overall

8.0

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

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.0

Comfort

7.8

Overall

8.0

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

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.0

Comfort

7.8

Overall

8.0

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

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.0

Comfort

7.8

Overall

8.0

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

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.0

Comfort

7.8

Overall

8.0

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

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.0

Comfort

7.8

Overall

8.0

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 $416, Delta can have you in Puerto Rico from San Diego in 10h 34m. 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 $97. However, be on the lookout for offers from United Airlines and Delta, 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, April is the cheapest month in which you can book a flight from San Diego to Puerto Rico (average of $159). Flying from San Diego to Puerto Rico in July is currently the most expensive (average of $352). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 March 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$176Average$520FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$182Average$476FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$214Average$540FlexibilityNo cancel feeOn-time62%
FrontierCheapest$215Average$453FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$260Average$387FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$322Average$527FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$382Average$583FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$448Average$585FlexibilityNo cancel feeOn-time75%

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