Travel Deals in Cancun $129/nt+: New Luxury All-Inclusive Resort by Cancun BookIt.comJune 26, 2008 Cancun Flights thru Sep. 30 - from $160 each way USA3000 Airlines June 25, 2008 USA 3000 is offering one-way fares to Cancun for $160. These sale fares are available for travel through Sep. 30, 2008, but must be purchased by Jul. 4, 2008.