To Peru

Aeromexico
COPA
www.travelzoo.com
taca
sidestep.com

$400-500

EDIT: crappazolla... looks like tickets are more like 800+... lowest i've found so far (after hours of searching is 650 through

atiflights
http://www.cheapoair.com this had good rates 650
http://www.statravel.com/
http://www.carbone-travel.com/
www.mobissimo.com/ 570
vayama
http://www.travelation.com