1) Log in using your getgo account in the Cebu Pacific Website: https://book.cebupacificair.com/Member/MyBookings
2) Click your profile button beside your name in the top right most part of the site, then click My Travel Fund.
It will show details of your refunded tickets converted to a travel fund with expiration dates. Mine was defaulted to 6 months by the time I processed it but recently, Cebu Pacific has extended them to 1 year and if still unused, can be fully refunded.
Need to refund on cancelled flights? –>
Need to refund unused flights? –> http://www.techyjuan.ph/how-to-refund-unused-cebupac-flights/