The nearest airport is KLX - Kalamata, located 63.0 km west of Kosmás.
Other airports nearby include KIT - Kithira (95.1 km south), PYR - Andravida (156.6 km north west), GPA - Patras Araxos (164.1 km north west), ZTH - Zakynthos Dionysios Solomos (178.9 km north west),