Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Belfast City Airport to Sarajevo as you normally would.
Sarajevo Butmir (SJJ) is the airport you will fly into if you book a flight from Belfast City to Sarajevo. You should not have trouble finding flights to Butmir from Belfast City; the airport handles an average of 0 inbound flights from Belfast City per day. You should also have plenty of airline options to choose from since 0 airlines have flights to the Sarajevo airport from Belfast City. It is only a 4.6 mi journey from Butmir (SJJ) to Sarajevo’s city center.