Cebu Pacific Airfare Promo

My friends and I are planning to visit Cebu on the third Sunday of January 2010, which is in time for the Sinulog Festival. And now, I'm looking for a cheap airfare. The cheaper airfare I could find is offered by Cebu Pacific. Its PHP 988 Go Lite Fare promo has a sale period from October 24 to 27 2009 and a travel period from December 1, 2009 to February 28, 2010.Go Lite Fare is offered for