Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Belfast to Bari as you normally would.
Bari Palese (BRI) is the airport you will fly into if you book a flight from Belfast to Bari. You should not have trouble finding flights to Palese from Belfast; the airport handles an average of 0 inbound flights from Belfast per day. You should also have plenty of airline options to choose from since 0 airlines have flights to the Bari airport from Belfast. It is only a 5.9 mi journey from Palese (BRI) to Bari’s city center.