The nearest airport is CGN - Cologne Koln Bonn, located 34.7 km west of Helzen.
Other airports nearby include ZNV - Koblenz Winningen (57.0 km south), ZCA - Arnsberg Menden (74.7 km north), DTM - Dortmund (76.2 km north), DUS - Duesseldorf Dusseldorf (79.2 km north west),