Starting this Labor Day, May 1 2017, you can book promo fares as low as P599 going to Coron, Caticlan, Tagbilaran, Calbayog, Ormoc, Roxas etc. This is the newest offer of Cebu Pacific Air for travel period September 1 to December 31, 2017. Other domestic destinations from Cebu or Manila are also on sale. If…