The nearest airport is GRQ - Groningen Eelde, located 40.3 km north of Sleen.
Other airports nearby include ENS - Enschede Twenthe (57.3 km south), EME - Emden (73.5 km north east), LWR - Leeuwarden (85.6 km north west), BMK - Borkum (90.6 km north),