Generally the best time to book San Francisco to San Diego flights is two months in advance. And the cheapest days to fly are Tuesdays, Wednesdays, and Saturdays. Sunday is the most expensive.
There are 102 direct flights from San Francisco to San Diego.
United Airlines provides 60.000004 of the non-stop flights between San Francisco and San Diego.
|Airlines flying this route:||Alaska Airlines Japan Airlines Southwest Airlines United Airlines|
|Airports in San Francisco:||San Francisco International Airport|
|Airports in San Diego:||San Diego International Airport McClellan-Palomar Airport|
|Average duration of direct flights:||1h33m|