Jeju International Airport (Korean: 제주국제공항; Hanja: 濟州國際空港; RR: Jeju Gukje Gonghang; MR: Cheju Kukche Konghang) (IATA: CJU, ICAO: RKPC) is the second largest airport in South Korea, just behind Incheon Airport in Incheon. It is located in the city of Jeju. The airport opened in 1968.

Jeju International Airport serves many mainland destinations in South Korea, as well as international destinations in China, Hong Kong, Japan, Taiwan, Thailand, Malaysia and Singapore.