The nearest airport is XFW - Hamburg Finkenwerder, located 28.4 km south east of Fleien.
Other airports nearby include HAM - Hamburg (31.6 km east), BRV - Bremerhaven (67.7 km west), LBC - Luebeck Lubeck Blankensee (78.8 km east), KEL - Kiel Holtenau (84.0 km north east),