So why go at all? Mexico Travelers can find amazing bargains in safer areas such as Cancun, Cabo San Lucas and Puerto Vallarta — which are also, respectively, the top, fourth and fifth most-booked international destinations of 2010, according to Orbitz (OWW: 4.96, -0.03, -0.60%). A seven-night package for two, including airfare and stays at four-star properties in Cancun, costs as little as $1,000, says Tom Parsons, the chief executive of travel booking site BestFares.com. Two years ago, a trip of the same length would have cost at least $1,400 for a lesser-quality room. “It’s cheaper and you’re getting a lot more luxury’.