Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Dumaguete City to Hawaii as you normally would.
For a flight from Dumaguete City to Hawaii, you will be flying from Dumaguete. Dumaguete City (DGT) is just 3.0 km from the center of the city.
Dumaguete City Airport is DGT and Honolulu Airport is HNL. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service. While you’re still figuring out your travel plans, it’s not a bad idea to learn the names and codes of other airports around these areas: Kahului Airport (OGG), Kona Intl Airport (KOA), Lihue Airport (LIH), Hilo Intl Airport (ITO), Kapalua West Maui Airport (JHM).