The nearest airport is ZCA - Arnsberg Menden, located 10.2 km south west of Ostönnen.
Other airports nearby include DTM - Dortmund (27.1 km west), PAD - Paderborn Lippstadt (43.3 km east), GUT - Guetersloh Gutersloh (46.6 km north east), FMO - Muenster/osnabrueck Munster Osnabruck (68.6 km north),