San Francisco is one of the main cultural and financial hubs of California, a state in the US. The name is Spanish for Saint Francis and this city was founded in June of 1776 when a fort at the Golden Gate was established by Spanish colonists. Numerous international airlines travel to this city on a regular basis and flights to San Francisco are available departing from cities such as Glasgow and Paris. If you are looking for a direct San Francisco flight departing from London, then use our online comparison tool to aid you with your search. You can compare various promotions online and then choose a cheap flight to San Francisco that suits your budget and schedule. A flight to San Francisco will allow you to experience this fabulous American city and enjoy everything that it offers. The cityscape is dazzling to say the least and there are dozens of restaurants, many of which still serve a delicious ingredient produced by the city's active fishing industry, the Dungeness Crab. The numerous beaches and parks here attract more than 13 million visitors annually and this city is rated as one of the most 'walkable' in the world by walkscore.com.