Question : Do travelers from Cape Town typically stay in Boston for very long?
Answer : Of course you're not most people, but if you were, you'd stay roughly 11 days.
Question : Is price more important than specific travel days for you?
Answer : For the month of February, the cheapest day to fly is Tuesday. Being flexible with your travel days garners you even more savings during your booking.
Question : Which airline is offering the cheapest round-trip flight from CPT to BOS?
Answer : Check out Emirates, as they have been booking customers at lower fares than most.