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$118+ 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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — SAN
jul. 16 — jul. 231
mié. 7/16
mié. 7/23
1 adult, Economy
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Cheap 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 julio 11, 2025.

Round-trip from

$241
(Booking.com)

One-way from

$136
(FlightHub)

Popular in

February

Cheapest in

August

Average price

$556
From Puerto Rico to San Diego
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One-way flight from Puerto Rico to San Diego
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Highest demand for flights based on searches. 0% potential increase in price ($3 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find 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 julio 11, 2025.

This Booking.com deal was found by Cheapflights users on 7/8. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/41:37 amSJU - SAN
2 stops19h 18mSpirit Airlines
sáb. 8/910:50 amSAN - SJU
2 stops21h 42mSpirit Airlines
Deal found 7/8$241
This Delta deal was found by Cheapflights users on 7/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/92:28 pmSJU - SAN
1 stop10h 07mDelta
lun. 10/139:40 pmSAN - SJU
1 stop12h 43mDelta
Deal found 7/9$275
This American Airlines deal was found by Cheapflights users on 7/8. 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.
vie. 8/227:55 amSJU - SAN
1 stop12h 40mAmerican Airlines
sáb. 9/610:45 pmSAN - SJU
1 stop21h 52mAmerican Airlines
Deal found 7/8$291
This United Airlines deal was found by Cheapflights users on 7/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/81:05 amSJU - SAN
1 stop11h 28mUnited Airlines
lun. 10/1310:30 pmSAN - SJU
1 stop11h 04mUnited Airlines
Deal found 7/9$323
This Frontier deal was found by Cheapflights users on 7/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/163:39 amSJU - SAN
2 stops20h 45mFrontier
mié. 9/247:15 amSAN - SJU
2 stops24h 46mFrontier
Deal found 7/10$337
This Frontier deal was found by Cheapflights users on 7/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 7/312:59 amBQN - SAN
2 stops12h 05mFrontier
mar. 8/266:25 amSAN - BQN
2 stops17h 23mFrontier
Deal found 7/10$414
This United Airlines deal was found by Cheapflights users on 7/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 7/2812:15 amBQN - SAN
1 stop12h 26mUnited Airlines
mar. 8/126:20 amSAN - BQN
2 stops13h 49mUnited Airlines
Deal found 7/10$559
This JetBlue deal was found by Cheapflights users on 7/10. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 7/289:35 amBQN - SAN
1 stop12h 20mJetBlue
vie. 8/1512:09 pmSAN - BQN
1 stop11h 54mJetBlue
Deal found 7/10$635
This United Airlines deal was found by Cheapflights users on 7/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/2710:13 amCPX - SAN
2 stops14h 09mUnited Airlines
sáb. 8/305:01 pmSAN - CPX
2 stops20h 50mUnited Airlines
Deal found 7/9$1,090

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 julio 11, 2025.
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

lun. 8/4

1:37 am-5:55 pm

2 stops19h 18m

San Diego

sáb. 8/9

10:50 am-11:32 am

2 stops21h 42m

$241

San JuanSan Diego

SJU - SAN

SJUSAN

San Juan Luis Munoz Marin Intl

jue. 10/9

2:28 pm-9:35 pm

1 stop10h 07m

San Diego

lun. 10/13

9:40 pm-1:23 pm

1 stop12h 43m

$275

San JuanSan Diego

SJU - SAN

SJUSAN

San Juan Luis Munoz Marin Intl

vie. 8/22

7:55 am-5:35 pm

1 stop12h 40m

San Diego

sáb. 9/6

10:45 pm-11:37 pm

1 stop21h 52m

$291

San JuanSan Diego

SJU - SAN

SJUSAN

San Juan Luis Munoz Marin Intl

mié. 10/8

1:05 am-9:33 am

1 stop11h 28m

San Diego

lun. 10/13

10:30 pm-12:34 pm

1 stop11h 04m

$323

San JuanSan Diego

SJU - SAN

SJUSAN

San Juan Luis Munoz Marin Intl

mar. 9/16

3:39 am-9:24 pm

2 stops20h 45m

San Diego

mié. 9/24

7:15 am-11:01 am

2 stops24h 46m

$337

AguadillaSan Diego

BQN - SAN

BQNSAN

Aguadilla Borinquen

jue. 7/31

2:59 am-6:10 pm

2 stops18h 11m

San Diego

mié. 8/27

6:25 am-2:48 am

2 stops17h 23m

$414

AguadillaSan Diego

BQN - SAN

BQNSAN

Aguadilla Borinquen

lun. 7/28

12:15 am-9:41 am

1 stop12h 26m

San Diego

mar. 8/12

6:20 am-11:09 pm

2 stops13h 49m

$559

AguadillaSan Diego

BQN - SAN

BQNSAN

Aguadilla Borinquen

lun. 7/28

9:35 am-6:55 pm

1 stop12h 20m

San Diego

vie. 8/15

12:09 pm-3:03 am

1 stop11h 54m

$635

CulebraSan Diego

CPX - SAN

CPXSAN

Culebra

mié. 8/27

10:13 am-9:22 pm

2 stops14h 09m

San Diego

sáb. 8/30

5:01 pm-4:51 pm

2 stops20h 50m

$1,090

San JuanSan Diego

SJU - SAN

SJUSAN

San Juan Luis Munoz Marin Intl

lun. 8/11

1:37 am-5:55 pm

2 stops19h 18m

$118

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/8

Showing 1-10 of 17 results
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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 $286). Flying from Puerto Rico to San Diego in March is currently the most expensive (average of $366). 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.

What is the cheapest time of day to fly from PR to SAN?

Find hourly flight availability from Puerto Rico to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated julio 11, 2025.

When flying from Puerto Rico to San Diego, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 julio 11, 2025.
Read through reviews of airlines operating flights from Puerto Rico to San Diego, such as Delta, United Airlines, and JetBlue. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,951 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,951 reviews
Delta
8.0
Very good
7,951 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,846 reviews
Delta
8.0
Very good
7,951 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
JetBlue
7.3
Good
2,913 reviews
Delta
8.0
Very good
7,951 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,951 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Spirit Airlines
6.3
Okay
8,055 reviews
Delta
8.0
Very good
7,951 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

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

    To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $136. Delta flights start at $138 while deals on American Airlines start at $181 one-way.

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

    The most popular route from Puerto Rico to San Diego is San Juan Luis Munoz Marin Intl - San Diego. You may also consider Aguadilla Borinquen - San Diego or Culebra - 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 $286). Flying from Puerto Rico to San Diego in March is currently the most expensive (average of $366). 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 Puerto Rico?

Book flights to Puerto Rico if you plan to visit one of these locations
El Cajon
Chula Vista
Coronado
National City
Lemon Grove
Imperial Beach
La Mesa
Poway
Alpine
Santee

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.
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Top 5 airlines flying from Puerto Rico to San Diego

Discover the top 5 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 julio 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$303Average$403FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$310Average$502FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$339Average$497FlexibilityNo cancel feeOn-time69%
DeltaCheapest$351Average$568FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$464Average$574FlexibilityNo cancel feeOn-time75%

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