Castellón Airport (Spanish: Aeropuerto de Castellón, Valencian: Aeroport de Castelló), (IATA: CDT, ICAO: LECH) is an airport serving the city of Castellón de la Plana, located near Vilanova d'Alcolea, Benlloc and Cabanes in the Valencian Community, Spain.

The airport was officially declared "open" by local authorities in March 2011, shortly before regional elections and as total cost reached €150 million, despite having neither airline signed up to land there nor government approval to operate.