Question : How long are most people's visits to Boston when they fly in from Belgrade?
Answer : Of course you're not most people, but if you were, you'd stay roughly 64 days.
Question : Will you do what it takes to get the absolute cheapest flight?
Answer : For the month of December, the cheapest day to fly is Wednesday. Being flexible with your travel days garners you even more savings during your booking.
Question : Who's offering the cheapest round-trip flight to Logan International Airport (BOS) over the coming months?
Answer : is your best bet for finding that coveted low fare.