The nearest airport is MGL - Moenchengladbach Monchengladbach, located 15.2 km south east of Grefrath.
Other airports nearby include DUS - Duesseldorf Dusseldorf (31.4 km east), GKE - Geilenkirchen (42.3 km south west), ESS - Essen Mulheim (44.7 km east), MST - Maastricht (57.7 km south west),