Question : How many days should you spend in Minneapolis if you're flying in from Sofia?
Answer : Passengers from SOF to MSP stay 11 days on average.
Question : Is price more important than specific travel days for you?
Answer : In December, Sunday is your cheapest day to fly. 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 SOF to MSP?
Answer : KLM is your best bet for finding that coveted low fare.