401 - 911 EUR
Most travellers find the cheapest return airfare to San Francisco when booking during the month of February.
On average, from most locations, when planning your trip to San Francisco, try to book your flight in the region of 36 days in advance for the cheapest prices.
From most locations, the cheapest day to fly to San Francisco is Friday. Most users found that departing on a Sunday was most expensive.
In general, when looking for the cheapest flight to San Francisco, our data indicates that evening flights are the most cost-effective. afternoon flights tend to be the most expensive.