Question : How many days should you spend in Prague if you're flying in from Salt Lake City?
Answer : Of course you're not most people, but if you were, you'd stay roughly 26 days.
Question : If your plans are flexible, have you considered changing your departure day?
Answer : For the month of February, the cheapest day to fly is Friday. 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 SLC to PRG?
Answer : Delta Air Lines is your best bet for finding that coveted low fare.