Question : Is there another local airport that can get you to San Diego?
Answer : Departing from Tenerife North Airport is not the only way to get to San Diego International Airport. Try searching for flights from Tenerife South Airport (TFS) as well. Over the upcoming two months, flights from TFS to SAN are being booked 22% cheaper than flights from TFN to SAN. Being only 34 miles away, it's easily accessible for most.
Question : How many days should you spend in San Diego?
Answer : Travelers from TFN to SAN stay 70 days on average.