Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Bacolod to Jakarta as you normally would.
Bacolod (BCD) is the airport you will fly out of if you book a flight from Bacolod to Jakarta. You should not have trouble finding flights to Jakarta from Bacolod; the airport handles an average of 0 outbound flights to Jakarta per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Bacolod airport to Jakarta. It is only a 14.3 km journey to Bacolod (BCD) from Bacolod’s city center.
Bacolod Airport is BCD and Jakarta Soekarno-Hatta Intl Airport is CGK. 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. Jakarta Halim Perdana Kusuma Airport (HLP) are other airports near this flight route and their unique identifiers/IATA codes.