The nearest airport is ZRH - Zurich, located 21.5 km north of Affoltern.
Other airports nearby include ZQL - Donaueschingen Villingen (76.9 km north), MLH - Bale Mulhouse (77.3 km north west), BRN - Bern Belp (83.2 km south west), ACH - St Gallen Altenrhein (86.8 km east),