Most travellers find the cheapest return flights to San Francisco when choosing a flight departing in February.
In general, most flyers find the cheapest time to book a flight to San Francisco is about 41 days prior.
From most locations, the cheapest day to fly to San Francisco is Thursday. Most users found that departing on a Saturday was most expensive.
Our data shows that the cheapest San Francisco flights are usually those with afternoon departure times. evening flights are often costlier.