Kalamata International Airport (Greek: Κρατικός Αερολιμένας Καλαμάτας) (IATA: KLX, ICAO: LGKL) “Captain Vassilis Constantakopoulos” is an airport in the city of Kalamata, Greece. It mainly receives flights during the summer. In March 2013, Aegean Airlines opened a base in the airport.

The airport is located between Kalamata and Messini on GR-82 (Pylos – Kalamata – Sparta) and west of the train tracks on the Pamisos River plain. The runway is about 2.7 km long and runs from north to south from the highway north to the plain. The terminal lies to the east and is accessed with GR-7/E55/E65 (Kalamata – Tripoli – Corinth).

There is a military base of the Hellenic Air Force and since 1976, an air-training center, the Instrument Flight Training Center (gr.Κέντρο Εκπαίδευσης Ενόργανης Πτήσης) of the 120th Air Training Wing to the west of the runway. Since 2021, the military air base houses the International Flight Training Center after a collaboration of Elbit Systems and HAF. The air base uses the same runway as civilian aircraft.