The nearest airport is CGN - Cologne Koln Bonn, located 26.8 km south of Sonne.
Other airports nearby include DUS - Duesseldorf Dusseldorf (38.8 km north west), ESS - Essen Mulheim (39.5 km north west), MGL - Moenchengladbach Monchengladbach (53.0 km west), DTM - Dortmund (53.5 km north east),