From most locations, the cheapest flights to San Francisco can be found during the month of April; however great deals can be found at other times.
From most locations, booking your flights to San Francisco around 52 days prior to your departure date finds the best deals.
On average, the cheapest flights to San Francisco are found when departing on a Tuesday. Try to avoid departing on a Saturday, as this is usually the most expensive day.
Our data shows that the cheapest San Francisco flights are usually those with morning departure times. afternoon flights are often costlier.