Just received this link concerning $150.00 off on Lan.......
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Receive US$150 off your entire purchase at check out when you buy two or more roundtrip tickets to Argentina, Brazil, Ecuador or Peru before March 13, 2011. Your trip must be completed before April 30, 2011. Spaces are limited so hurry up and enjoy this great offer for travel to South America
Here is link:
http://www.lan.com/en_us/mail/usa/20110310_vi_150off_promotosouthamerica/index.html?otid=376686&Email_OID=direccion&Email_PageName=20110310_vi_150off_promotosouthamerica_EN_US