The nearest airport is UGO - Uige, located 101.5 km north east of Onzo.
Other airports nearby include GXG - Negage (121.3 km east), LAD - Luanda 4 De Fevereiro (140.9 km south west), SSY - M'banza-congo Mbanza Congo (198.7 km north), SZA - Soyo (296.0 km north west),