The world's busiest single-route airport, serving as the primary gateway to Jeju Island and a major domestic hub.


Jeju International Airport (CJU) is located in the city of Jeju on Jeju Island, South Korea. It is the second-busiest airport in the country and a critical hub for domestic flights, especially the high-traffic Seoul-Jeju route.
33.5113, 126.4920
Passenger traffic increased by 1.8% year-over-year in 2024, continuing a steady recovery post-pandemic.
12,500
Workers include airline staff, ground handling, security, retail, and airport operations personnel.

A new airport project and terminal expansions are planned to increase capacity and address congestion.
Deployment of self-service kiosks, automated baggage handling, and digital wayfinding enhances passenger flow and efficiency.
Initiatives include energy-efficient terminal upgrades, waste reduction programs, and increased use of electric ground vehicles.
Coordinate with national authorities to secure funding for expansion and ensure compliance with evolving aviation regulations.
Accelerate construction of the new Jeju airport and modernize existing facilities to meet growing demand.
Expand renewable energy use and green building practices to align with South Korea's environmental targets.