Jeju Airport Code

Jeju has one major airport Jeju International Airport, whose IATA airport code is CJU.

Jeju International Airport

IATA code	CJU
ICAO code	RKPC

Airport codes for other cities in South Korea

City
Busan
Cheongju
Daegu
Gwangju
Jeju
Kunsan
Piseo-ri (Muan)
Pohang
Sacheon
Seoul
Ulsan
Wonju
Yangyang
Yeosu