The nearest airport is LPP - Lappeenranta, located 33.8 km south east of Koskimies.
Other airports nearby include MIK - Mikkeli (54.2 km north west), QVY - Utti (58.9 km south west), SVL - Savonlinna (99.7 km north east), VRK - Varkaus (101.1 km north),