Air Uganda to fly between Kigali and Bujumbura

Air Uganda suspends flights to Kigali, from 30 March 2014, till a later time : here

An Air Uganda's CRJ-200 at Entebbe, in October 2010. East African Spotter

According to Amadeus (16 DEC 2011), Air Uganda has got traffic right between Kigali (Rwanda) and Bujumbura (Burundi). The airline can sell air tickets between Rwanda and Burundi. The flight is operated every Sundays, with CRJ-200.