It is one thing to find cheap airfare, but another thing to find the bestdeal. With airfare changing by the hour and airlines removing their fares fromtravel websites, it is indeed a challenge. USA Today has come up with thisguide to get the most out of cheap airfares. Sign up for free airfare alerts –Researching for cheap flights can take quite a while, so why not let someoneelse do it for y Travel Guide – GuideTo.Com