South Korea_

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Approximately 38 million international travelers annually visit South Korea. As of 2026, Incheon International Airport (ICN) has become the world's busiest airport by international passenger traffic. It also operates the world’s busiest flight route between Gimpo and Jeju Island with roughly 14.4 million scheduled seats annually. Explore aviation industry and learn about South Korea below.

top airports

ICN

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Incheon International Airport

South Korea's largest airport and a major global aviation hub. Consistently ranks among the top airports worldwide for service and passenger experience.

GMP

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Gimpo International Airport

Serves as primary hub for domestic travel while offering select short-haul international flights. Handles the ultra-busy air corridor between Seoul and Jeju Island.

CJU

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Jeju International Airport

Second-busiest airport in the country. Handles extensive domestic traffic between Seoul's Gimpo Airport with short-haul international flights across East Asia.