The nearest airport is CGN - Cologne Koln Bonn, located 62.7 km west of Siegen.
Other airports nearby include ZCA - Arnsberg Menden (69.2 km north), ZNV - Koblenz Winningen (70.0 km south west), DTM - Dortmund (78.2 km north), PAD - Paderborn Lippstadt (92.6 km north east),