When flying from Cebu to Haiti, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Great question - CEB to PAP just means Cebu City Mactan Intl Airport to Port Au Prince Mais Gate Airport. Now you’ll know what these unique codes when you look for flights! Cap Haitien Airport (CAP) are other airports near this flight route and their unique identifiers/IATA codes.