The nearest airport is ESS - Essen Mulheim, located 44.2 km south of Ontrup.
Other airports nearby include DTM - Dortmund (45.2 km south east), FMO - Muenster/osnabrueck Munster Osnabruck (55.3 km north east), ENS - Enschede Twenthe (56.7 km north), DUS - Duesseldorf Dusseldorf (60.1 km south west),