San Diego

$171+ Cheap flights from San Juan 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 3/19. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — SAN
Feb 26 — Mar 51
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The best prices from San Juan to San Diego are usually found in September or May, booked 19 days in advance, depart on a Thursday or Tuesday and return on a Saturday

Cheap flight deals from San Juan to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from San Juan (PR1) to San Diego (SAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 21, 2025.

Round-trip from

$234
(FlightHub)

One-way from

$171
(American Airlines)

Popular in

June

Cheapest in

September

Average price

$563
From San Juan to San Diego
One-way flight from San Juan to San Diego
Highest demand for flights based on searches. 3% potential increase in price ($19 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Average for round-trip flights in February 2025

Find flight deals from San Juan to San Diego

Cheapest flights from San Juan to San Diego
Explore the most affordable flight options available from San Juan to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 21, 2025.

This FlightHub deal was found by Cheapflights users on 2/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1212:05 pmSJU - SAN
2 stops22h 25mSpirit Airlines
Mon 3/315:30 pmSAN - SJU
2 stops20h 50mSpirit Airlines
Deal found 2/20$234
This Expedia deal was found by Cheapflights users on 2/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1212:05 pmSJU - SAN
2 stops22h 25mMultiple Airlines
Sun 3/1610:37 pmSAN - SJU
1 stop12h 03mMultiple Airlines
Deal found 2/20$338
This American Airlines deal was found by Cheapflights users on 2/19. 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 4/155:30 amSJU - SAN
1 stop16h 21mAmerican Airlines
Mon 4/219:45 pmSAN - SJU
1 stop10h 05mAmerican Airlines
Deal found 2/19$341
This JetBlue deal was found by Cheapflights users on 2/19. 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 3/1111:15 amSJU - SAN
1 stop12h 12mJetBlue
Mon 3/178:27 pmSAN - SJU
1 stop10h 33mJetBlue
Deal found 2/19$360
This United Airlines deal was found by Cheapflights users on 2/20. 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 4/151:05 amSJU - SAN
1 stop11h 45mUnited Airlines
Tue 4/299:30 pmSAN - SJU
1 stop12h 04mUnited Airlines
Deal found 2/20$421
This Delta deal was found by Cheapflights users on 2/20. 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.
Wed 4/167:15 amSJU - SAN
1 stop14h 18mDelta
Tue 4/296:15 amSAN - SJU
2 stops14h 00mDelta
Deal found 2/20$455
This Alaska Airlines deal was found by Cheapflights users on 2/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/106:05 amSJU - SAN
1 stop12h 53mAlaska Airlines
Fri 4/184:48 pmSAN - SJU
1 stop18h 39mAlaska Airlines
Deal found 2/19$496
This eDestinos deal was found by Cheapflights users on 2/19. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/104:25 pmSJU - SAN
2 stops35h 30mFrontier
Fri 4/1812:19 pmSAN - SJU
2 stops27h 17mFrontier
Deal found 2/19$508
This Southwest deal was found by Cheapflights users on 2/20. 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.
Tue 3/115:35 amSJU - SAN
2 stops13h 10mSouthwest
Tue 3/117:45 pmSAN - SJU
2 stops11h 00mSouthwest
Deal found 2/20$512

Find flights from San Juan to San Diego within your budget

Customize your flight search to find flights from San Juan 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 21, 2025.

Fly from

San Juan

Fly to

San Diego

Route

Depart

Return

Price

San JuanSan Diego

SJU - SAN

SJUSAN

San Juan Luis Munoz Marin Intl

Wed 3/12

12:05 pm-7:30 am

2 stops22h 25m

San Diego

Mon 3/31

5:30 pm-5:20 pm

2 stops20h 50m

$234

San JuanSan Diego

SJU - SAN

SJUSAN

San Juan Luis Munoz Marin Intl

Wed 3/12

12:05 pm-7:30 am

2 stops22h 25m

San Diego

Sun 3/16

10:37 pm-1:40 pm

1 stop12h 03m

$338

San JuanSan Diego

SJU - SAN

SJUSAN

San Juan Luis Munoz Marin Intl

Tue 4/15

5:30 am-6:51 pm

1 stop16h 21m

San Diego

Tue 4/22

10:15 pm-5:14 pm

1 stop15h 59m

$341

San JuanSan Diego

SJU - SAN

SJUSAN

San Juan Luis Munoz Marin Intl

Tue 3/11

11:15 am-8:27 pm

1 stop12h 12m

San Diego

Mon 3/17

8:27 pm-10:00 am

1 stop10h 33m

$360

San JuanSan Diego

SJU - SAN

SJUSAN

San Juan Luis Munoz Marin Intl

Tue 4/15

1:05 am-9:50 am

1 stop11h 45m

San Diego

Tue 4/29

9:30 pm-12:34 pm

1 stop12h 04m

$421

San JuanSan Diego

SJU - SAN

SJUSAN

San Juan Luis Munoz Marin Intl

Wed 4/16

7:15 am-6:33 pm

1 stop14h 18m

San Diego

Tue 4/29

6:15 am-11:15 pm

2 stops14h 00m

$455

San JuanSan Diego

SJU - SAN

SJUSAN

San Juan Luis Munoz Marin Intl

Thu 4/10

6:05 am-3:58 pm

1 stop12h 53m

San Diego

Fri 4/18

4:48 pm-2:27 pm

1 stop18h 39m

$496

San JuanSan Diego

SJU - SAN

SJUSAN

San Juan Luis Munoz Marin Intl

Thu 4/10

4:25 pm-12:55 am

2 stops35h 30m

San Diego

Fri 4/18

12:19 pm-6:36 pm

2 stops27h 17m

$508

San JuanSan Diego

SJU - SAN

SJUSAN

San Juan Luis Munoz Marin Intl

Tue 3/11

5:35 am-3:45 pm

2 stops13h 10m

San Diego

Tue 3/11

7:45 pm-9:45 am

2 stops11h 00m

$512

San JuanSan Diego

SJU - SAN

SJUSAN

San Juan Luis Munoz Marin Intl

Wed 3/19

7:25 am-7:09 pm

1 stop14h 44m

$171

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 18 results
1
2

Best time to book a flight from San Juan to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from San Juan 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.

Travel insights for flights from San Juan to San Diego

Get recent, data-driven insights about flights from San Juan to San Diego including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from San Juan to San Diego. Price data was last updated on February 14, 2025.

Booking 19 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Juan to San Diego. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, August is the cheapest month in which you can book a flight from San Juan to San Diego (average of $286). Flying from San Juan 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 SJU to SAN?

Find hourly flight availability from San Juan 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 February 21, 2025.

It’s typically best to fly out from San Juan to San Diego at noon. Doing so could potentially save you 16% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from San Juan to San Diego?

Use this chart to determine the cheapest time to fly round-trip from San Juan to San Diego. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their San Juan to San Diego flight should consider departing on Friday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in San Diego by month

Plan your trip to San Diego by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 2.3 inches per month. February is typically the wettest month, when rainfall can reach 2.3 in. July is typically the driest time to visit San Diego when rainfall is around 0.0 in.

Temperature in San Diego by month

Plan your trip to San Diego by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

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 21, 2025.
Get a feel of what it's like to fly with Southwest, Alaska Airlines and Delta from San Juan to San Diego by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

8.0
Very good

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

Related info for your journey

Find useful and relevant information for your journey from San Juan 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 San Juan?

    Located just 2.6 mi from the city center, San Diego is the airport most travelers will use when flying to San Diego from San Juan. Booking flights from San Juan to San Diego (SAN) should be relatively easy as there are 0 daily inbound flights from San Juan from 6 different airlines.

  • What are the cheapest airlines flying from San Juan to San Diego round-trip?

    Currently priced at $234, Spirit Airlines will fly you from San Juan to San Diego and back. In addition to Spirit Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and JetBlue - these airlines can fly you to your destination from $341 and $360, respectively. Spirit Airlines is currently priced 52% below the average price you’ll pay for this route.

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

    $171 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Spirit Airlines and United Airlines, with prices starting from $172 and $202, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Juan 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 San Juan to San Diego?

    Currently, August is the cheapest month in which you can book a flight from San Juan to San Diego (average of $286). Flying from San Juan 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 San Juan?

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

Browse thousands of different options on Cheapflights for your next trip

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Top 6 airlines flying from San Juan to San Diego

Discover the top 6 airlines that operate flights from San Juan 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 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$138Average$361FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$270Average$441FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$300Average$499FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$310Average$524FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$464Average$574FlexibilityNo cancel feeOn-time75%
DeltaCheapest$474Average$759FlexibilityNo cancel feeOn-timeN/A
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