In addition to the tram line out to the airport, Edinburgh is serviced by an extensive bus network. Both companies are publicly owner by The City of Edinburgh Council.
Day tickets £4 (adult) £2 (child) allow unlimited travel in the city fare zone (not airport) on both Lothian Buses and Edinburgh Trams. Be sure to always keep your ticket on you, if you cannot present a valid ticket on board you will be charged £10.