Jeju International Airport (CJU) serves as South Korea’s busiest domestic gateway on Jeju Island, with two main passenger terminals handling both domestic and international traffic. Major carriers based there include Korean Air, Asiana, Jeju Air and Jin Air, offering frequent flights to Seoul, Busan, and regional cities as well as seasonal international routes across Asia. Travelers can check the online flight board for up-to-date arrivals and departures information, and should allow extra time during peak holiday periods when the airport is especially busy.
Frequently asked questions
The IATA airport code for Jeju International Airport is CJU.
The ICAO code for Jeju International Airport is RKPC.
Jeju International Airport (CJU) is located in Cheju, South Korea.
The local time zone at Jeju International Airport (CJU) is Asia/Seoul (GMT+9).
About 203 scheduled departures were counted at Jeju International Airport (CJU) when flight schedules were last measured on July 19, 2026.
For international flights, arrive at least 3 hours before departure; for domestic flights, about 2 hours.
The board on this page shows arrivals and departures for Jeju International Airport (CJU). It re-checks for updates while the page is open, and every board states how old its data is — busy hubs are refreshed within hours, quieter airports less often.