Santorini International Airport (Greek: Διεθνής Αερολιμένας Σαντορίνης) (IATA: JTR, ICAO: LGSR) is an airport in Santorini, Greece located north of the village of Kamari. The airport serves as both a military and a civil airport. With its redesigned apron, as of 2021 the airport is able to serve up to nine civilian airliners at the same time. Santorini is one of the few Cyclades Islands with a major airport.

The airport is located about 6 kilometres (3.7 mi) southeast of the centre of the city of Thira. The main asphalt runway (17/35) is 7,208 feet (2,197 m) in length. The parallel taxiway was built and marked to runway specification but is now marked and lighted as a taxiway. The airfield can accommodate medium-sized jets like the Boeing 757, Boeing 737 and Airbus A320 series as well as smaller aircraft such as the Avro RJ, Fokker 70, and ATR 72. Scheduled airlines include Ryanair, Olympic Air and Aegean Airlines, with seasonal scheduled and charter flights from other airlines during the higher seasons in spring, summer and autumn. Transportation to and from the air terminal is via buses, taxis, hotel car-pickups and hired cars.