The 'Man Who Flies For Free' says these are the 3 best websites for airline deals

Scott Keyes, a reporter for Think Progress and author of the e-books "How To Fly For Free" and "How To Find Cheap Flights," is an expert at finding affordable airfare. Keyes has become so gifted at landing supercheap tickets and getting the most out of his frequent-flier miles that he has booked an …