When flying from Jakarta to Vancouver Island, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Jakarta Soekarno-Hatta Intl Airport is CGK and Victoria Intl Airport is YYJ. 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. Comox Airport (YQQ), Nanaimo Arpt Airport (YCD), Victoria Inner Harbour Seaplane Base Airport (YWH), Campbell River Airport (YBL), Tofino Long Beach Airport (YAZ) are other airports near this flight route and their unique identifiers/IATA codes.