Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Jakarta to Halifax as you normally would.
Halifax Intl (YHZ) is the airport you will fly into if you book a flight from Jakarta to Halifax. You should not have trouble finding flights to Halifax Intl from Jakarta; the airport handles an average of 0 inbound flights from Jakarta per day. You should also have plenty of airline options to choose from since 0 airlines have flights to the Halifax airport from Jakarta. It is only a 26.9 km journey from Halifax Intl (YHZ) to Halifax’s city centre.