Laoag International Airport (Filipino: Paliparang Pandaigdig ng Laoag, Ilokano: Sangalubong a Pagtayaban ti Laoag) (IATA: LAO, ICAO: RPLI) is the main airport serving the general area of Laoag City, the capital city of the province of Ilocos Norte in the Philippines. It is the only airport in Ilocos Norte and is the northernmost international airport in the Philippines by geographical location.