$128+ 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 5/11. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from San Juan to San Diego with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from San Juan to San Diego are usually found in August or September, booked 17 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 March 31, 2025.
Round-trip from | $247 (Mytrip) |
|---|---|
One-way from | $128 (Booking.com) |
Popular in | February |
Cheapest in | August |
Average price | $517 |
Find flight deals from San Juan to San Diego
Cheapest flights from San Juan to San DiegoExplore 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 March 31, 2025.
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 March 31, 2025.
This Mytrip deal was found by Cheapflights users on 3/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 3/30. 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.
This American Airlines deal was found by Cheapflights users on 3/29. 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.
This Travelocity deal was found by Cheapflights users on 3/30. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines deal was found by Cheapflights users on 3/30. 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.
This JetBlue deal was found by Cheapflights users on 3/30. 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.
This Alaska Airlines deal was found by Cheapflights users on 3/30. 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.
This Southwest deal was found by Cheapflights users on 3/30. 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.
Cheapflights Fare Finder
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 March 31, 2025.
Use the filters below to find and compare flights from San Juan to San Diego that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
San JuanSan Diego
SJU - SAN
SJUSAN
San Juan Luis Munoz Marin Intl
Mon 4/28
12:54 am-12:42 am
2 stops26h 48m
San Diego
Tue 5/6
6:15 am-11:39 pm
2 stops14h 24m
San JuanSan Diego
SJU - SAN
SJUSAN
San Juan Luis Munoz Marin Intl
Tue 5/6
12:50 pm-9:59 pm
1 stop12h 09m
San Diego
Sat 5/10
6:15 am-7:48 pm
1 stop10h 33m
San JuanSan Diego
SJU - SAN
SJUSAN
San Juan Luis Munoz Marin Intl
Fri 9/5
8:30 am-9:53 pm
1 stop16h 23m
San Diego
Tue 9/16
6:27 am-8:10 pm
2 stops10h 43m
San JuanSan Diego
SJU - SAN
SJUSAN
San Juan Luis Munoz Marin Intl
Tue 4/29
9:25 am-12:42 am
2 stops18h 17m
San Diego
Tue 5/6
3:10 pm-5:12 am
1 stop11h 02m
San JuanSan Diego
SJU - SAN
SJUSAN
San Juan Luis Munoz Marin Intl
Sun 5/25
7:01 am-7:12 pm
1 stop15h 11m
San Diego
Mon 6/2
8:39 pm-12:44 pm
1 stop13h 05m
San JuanSan Diego
SJU - SAN
SJUSAN
San Juan Luis Munoz Marin Intl
Thu 9/4
1:05 am-9:36 am
1 stop11h 31m
San Diego
Tue 9/16
6:15 am-8:38 pm
1 stop11h 23m
San JuanSan Diego
SJU - SAN
SJUSAN
San Juan Luis Munoz Marin Intl
Sat 5/17
6:30 am-11:43 pm
1 stop20h 13m
San Diego
Sun 6/8
4:28 pm-5:06 am
1 stop9h 38m
San JuanSan Diego
SJU - SAN
SJUSAN
San Juan Luis Munoz Marin Intl
Thu 7/31
1:30 pm-9:50 pm
2 stops11h 20m
San Diego
Sun 8/3
8:10 pm-10:25 am
2 stops11h 15m
San JuanSan Diego
SJU - SAN
SJUSAN
San Juan Luis Munoz Marin Intl
Sun 5/11
8:12 pm-7:53 pm
2 stops26h 41m
San JuanSan Diego
SJU - SAN
SJUSAN
San Juan Luis Munoz Marin Intl
Thu 9/18
11:55 am-10:14 pm
2 stops13h 19m
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.
Cheapflights Insights
Everything you need to know about your flight from San Juan to San Diego
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 March 28, 2025.
Booking 17 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 March 31, 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 March 31, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest 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.
Food
Crew
Overall
Boarding
Entertainment
Comfort
Reviews
Seleste,Dec 2024
FAT - SAN
Food
Crew
Overall
Boarding
Entertainment
Comfort
Reviews
Seleste,Dec 2024
FAT - SAN
Food
Crew
Overall
Boarding
Entertainment
Comfort
Reviews
Seleste,Dec 2024
FAT - SAN
Food
Crew
Overall
Boarding
Entertainment
Comfort
Reviews
Seleste,Dec 2024
FAT - SAN
Food
Crew
Overall
Boarding
Entertainment
Comfort
Reviews
Seleste,Dec 2024
FAT - SAN
Food
Crew
Overall
Boarding
Entertainment
Comfort
Reviews
Seleste,Dec 2024
FAT - SAN
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.
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Alternative routes for San Juan to San Diego
See prices for flight routes from nearby airports that may be better suited for you.
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 March 31, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$138 | Average$361 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$270 | Average$436 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$310 | Average$514 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$315 | Average$490 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$423 | Average$664 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$464 | Average$574 | FlexibilityNo cancel fee | On-time75% |