Question : Do travelers from Tallinn typically stay in San Francisco for very long?
Answer : Travelers from TLL to SFO stay 22 days on average.
Question : Will you do what it takes to get the absolute cheapest flight?
Answer : The lowest-cost day to fly in December is Wednesday. Being flexible with your travel days garners you even more savings during your booking.
Question : Which airline is giving the best deals for round-trip flights from Tallinn Airport (TLL) to San Francisco International Airport (SFO)?
Answer : Check out Turkish Airlines, as they have been booking customers at lower fares than most.