Amazing deal alert: Multiple Cities to Cuzco, Peru for $415

There are currently some very good deals on flights from several US cities (Including Washington, L.A., Miami, Orlando, NYC, Boston, and Chicago) to Cuzco, Peru (CUZ) for around $400 round trip.  For those of you who may not know, Cuzco is the closest airport to Machu Picchu and is a pretty amazing and historical city in its own right.  The city of Cuzco was the capital of the Incan Empire and has a a historical mix of pre-Colombian and Spanish colonial sites.  Flights are search able and bookable on Kayak.com