Question : How many days should you spend in Yerevan if you're flying in from San Francisco?
Answer : Of course you're not most people, but if you were, you'd stay roughly 17 days.
Question : If your plans are flexible, have you considered changing your departure day?
Answer : Tuesday is your cheapest day to fly in February. Being flexible with your travel days garners you even more savings during your booking.
Question : How often is the price changing when booking a trip from San Francisco International Airport (SFO) to Zvartnots International Airport (EVN)?
Answer : Prices for this trip tend to change much more than others. The further out you book a route, the more likely you are to save.