Question : How many days should you spend in San Francisco if you're flying in from Charleston?
Answer : Travelers from CRW to SFO stay seven days on average.
Question : If your plans are flexible, have you considered changing your departure day?
Answer : The cheapest day to fly in February is Tuesday. Having flexibility in your travel plans means you can save, so be sure to plan ahead when possible.
Question : Are prices changing frequently for this route?
Answer : Flight prices for CRW to SFO fluctuate a lot more than most routes. The further out you book a route, the more likely you are to save.