Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Indonesia to Sicily as you normally would.
Related info for your journey
Useful info, stats and facts about Indonesia to Sicily 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 Catania Fontanarossa Airport flight would often be abbreviated as a DPS to CTA flight. 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: Palermo Punta Raisi Airport (PMO), Trapani Birgi Airport (TPS), Lampedusa Airport (LMP), Comiso Airport (CIY), Pantelleria Airport (PNL).