Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Indonesia to Nova Scotia as you normally would.
Related info for your journey
Useful info, stats and facts about Indonesia to Nova Scotia flights.
These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Denpasar Bali Ngurah Rai Airport to Halifax Intl Airport flight would often be abbreviated as a DPS to YHZ flight. Jakarta Soekarno-Hatta Intl Airport (CGK), Surabaya Juanda Airport (SUB), Medan Kuala Namu Intl Airport (KNO), Praya Lombok Intl Airport (LOP), Yogyakarta Intl Airport (YIA) are other airports near this flight route and their unique identifiers/IATA codes.