Question : How long are most people's visits to Helsinki when they fly in from Sacramento?
Answer : Of course you're not most people, but if you were, you'd stay roughly 17 days.
Question : Is price more important than specific travel days for you?
Answer : The best day to fly on a budget this month is Tuesday. Being flexible with your travel days garners you even more savings during your booking.
Question : Are prices changing frequently for this route?
Answer : Prices are fluctuating a lot more for this route than most routes. The further out you book a route, the more likely you are to save.