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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SJU
Jul 11 — Jul 181
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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 June 11, 2026.

This American Airlines deal was found by Cheapflights users on 6/7. 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 10/1710:45 pm
SAN
-
SJU
1 stop12h 00m
American Airlines
Sat 10/246:00 am
SJU
-
SAN
1 stop17h 39m
American Airlines
Deal found 6/7$383
This Southwest deal was found by Cheapflights users on 6/6. 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.
Mon 8/108:40 am
SAN
-
SJU
1 stop11h 25m
Southwest
Wed 8/1911:50 am
SJU
-
SAN
1 stop10h 00m
Southwest
Deal found 6/6$386
This American Airlines deal was found by Cheapflights users on 6/9. 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 8/1412:32 pm
SAN
-
SJU
1 stop18h 11m
American Airlines
Mon 8/177:24 pm
SJU
-
SAN
1 stop19h 08m
American Airlines
Deal found 6/9$387
This American Airlines deal was found by Cheapflights users on 6/7. 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
2 stops12h 30m
American Airlines
Mon 8/247:00 am
SJU
-
SAN
1 stop16h 35m
American Airlines
Deal found 6/7$391
This American Airlines deal was found by Cheapflights users on 6/10. 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 12/14:44 pm
SAN
-
SJU
1 stop18h 02m
American Airlines
Tue 12/88:18 am
SJU
-
SAN
1 stop16h 39m
American Airlines
Deal found 6/10$392
This Delta deal was found by Cheapflights users on 6/6. 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.
Fri 9/1810:20 pm
SAN
-
SJU
1 stop11h 40m
Delta
Fri 9/2512:58 pm
SJU
-
SAN
2 stops13h 54m
Delta
Deal found 6/6$396
This Southwest deal was found by Cheapflights users on 6/6. 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.
Thu 11/126:30 am
SAN
-
SJU
1 stop14h 35m
Southwest
Mon 11/165:45 am
SJU
-
SAN
2 stops11h 45m
Southwest
Deal found 6/6$410
This American Airlines deal was found by Cheapflights users on 6/6. 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 8/316:15 am
SAN
-
SJU
1 stop14h 00m
American Airlines
Fri 9/46:00 am
SJU
-
SAN
1 stop19h 49m
American Airlines
Deal found 6/6$411
This Southwest deal was found by Cheapflights users on 6/11. 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.
Sun 8/167:55 pm
SAN
-
SJU
2 stops12h 00m
Southwest
Sun 8/239:25 pm
SJU
-
SAN
2 stops16h 35m
Southwest
Deal found 6/11$415
This American Airlines deal was found by Cheapflights users on 6/8. 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 9/29:48 am
SAN
-
SJU
1 stop10h 27m
American Airlines
Sat 9/57:20 pm
SJU
-
SAN
1 stop19h 12m
American Airlines
Deal found 6/8$416
This American Airlines deal was found by Cheapflights users on 6/8. 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 8/167:15 pm
SAN
-
SJU
2 stops11h 28m
American Airlines
Sat 8/226:00 am
SJU
-
SAN
2 stops12h 26m
American Airlines
Deal found 6/8$417
This United Airlines deal was found by Cheapflights users on 6/8. 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 7/106:35 am
SAN
-
BQN
2 stops13h 34m
United Airlines
Thu 7/1612:15 am
BQN
-
SAN
1 stop12h 06m
United Airlines
Deal found 6/8$668

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 June 11, 2026.

Round-trip from

$383
(American Airlines)

One-way from

$131
(United Airlines)

Popular in

December

Cheapest in

May

Average price

$532
From San Diego to Puerto Rico
One-way flight from San Diego to Puerto Rico
Highest demand for flights based on searches. 8% potential increase in price ($45 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($18 potential savings vs. average RT price).
Average for round-trip flights in June 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 June 11, 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
Quickest round-trip

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Fri 8/7

8:40 am-11:05 pm

1 stop11h 25m

San Juan Luis Munoz Marin Intl

Sat 8/15

5:05 am-11:10 am

1 stop9h 05m

$426

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Wed 7/29

9:00 am-11:50 pm

1 stop11h 50m

San Juan Luis Munoz Marin Intl

Wed 8/12

10:30 am-6:50 pm

1 stop11h 20m

$454

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Fri 7/3

8:05 pm-10:45 am

2 stops11h 40m

San Juan Luis Munoz Marin Intl

Thu 7/9

10:20 am-11:25 pm

1 stop16h 05m

$590

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Mon 7/6

6:09 pm-1:32 pm

2 stops16h 23m

San Juan Luis Munoz Marin Intl

Mon 7/13

2:21 pm-10:01 pm

1 stop10h 40m

$621

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Thu 6/18

5:15 pm-5:29 am

1 stop9h 14m

San Juan Luis Munoz Marin Intl

Mon 6/29

2:05 am-10:51 am

1 stop11h 46m

$630

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Sun 7/26

6:20 am-11:55 pm

1 stop14h 35m

San Juan Luis Munoz Marin Intl

Mon 8/3

5:00 am-12:45 pm

2 stops10h 45m

$636

San DiegoAguadilla

SAN - BQN

SANBQN

San Diego

Fri 7/10

6:40 am-11:09 pm

1 stop13h 29m

Aguadilla Borinquen

Thu 7/16

12:15 am-9:21 am

1 stop12h 06m

$668

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Thu 7/16

9:30 pm-1:32 pm

1 stop13h 02m

San Juan Luis Munoz Marin Intl

Fri 7/24

2:42 pm-9:16 pm

1 stop9h 34m

$681

San DiegoAguadilla

SAN - BQN

SANBQN

San Diego

Mon 8/24

6:18 am-11:09 pm

2 stops13h 51m

Aguadilla Borinquen

Tue 8/25

12:15 am-1:17 pm

2 stops16h 02m

$691

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Wed 6/24

9:00 am-11:45 pm

1 stop11h 45m

San Juan Luis Munoz Marin Intl

Sat 6/27

6:00 am-3:30 pm

2 stops12h 30m

$691

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

Showing 1-10 of 35 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.

How far ahead should I book a flight from San Diego to Puerto Rico?

The price you pay for your flight from San Diego to Puerto Rico may vary depending on when you book. For the best chance of a lower fare, look to book 62 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 June 11, 2026.
Read reviews from past customers who have flown Alaska Airlines,Southwest, 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.

Entertainment

7.0

Food

7.0

Boarding

8.1

Overall

7.9

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Franzi,Mar 2026

SFO - PDX

I love flying with Alaska. I think they sre the best airline.

Entertainment

7.0

Food

7.0

Boarding

8.1

Overall

7.9

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Franzi,Mar 2026

SFO - PDX

I love flying with Alaska. I think they sre the best airline.

Entertainment

7.0

Food

7.0

Boarding

8.1

Overall

7.9

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Franzi,Mar 2026

SFO - PDX

I love flying with Alaska. I think they sre the best airline.

Entertainment

7.0

Food

7.0

Boarding

8.1

Overall

7.9

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Franzi,Mar 2026

SFO - PDX

I love flying with Alaska. I think they sre the best airline.

Entertainment

7.0

Food

7.0

Boarding

8.1

Overall

7.9

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Franzi,Mar 2026

SFO - PDX

I love flying with Alaska. I think they sre the best airline.

Entertainment

7.0

Food

7.0

Boarding

8.1

Overall

7.9

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Franzi,Mar 2026

SFO - PDX

I love flying with Alaska. I think they sre the best airline.

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 $630, Southwest can have you in Puerto Rico from San Diego in 9h 14m. 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 United Airlines, with whom users have recently found tickets for as low as $148. However, be on the lookout for offers from American Airlines and Southwest, 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

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

Top 7 airlines flying from San Diego to Puerto Rico

Discover the top 7 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 June 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$138Average$460FlexibilityNo cancel feeOn-time62%
DeltaCheapest$158Average$416FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$182Average$565FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$214Average$565FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$295Average$517FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$380Average$554FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$426Average$595FlexibilityNo cancel feeOn-time75%

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