The nearest airport is BWE - Braunschweig Wolfsburg, located 70.6 km south west of Sienau.
Other airports nearby include SZW - Schwerin Parchim (77.9 km north east), ZCN - Celle (81.9 km west), HAJ - Hannover (108.5 km west), LBC - Luebeck Lubeck Blankensee (112.2 km north),