Operating area of all airports in operation South Korea 2001-2021
In 2021, the operating area of all airports in operation in South Korea amounted to around 84.5 thousand square kilometers. The second terminal of the largest airport in South Korea, Incheon International Airport, opened in 2018, which led to a significant increase in the total area. Incheon International Airport is the main airport in South Korea, with a total area of about 56.7 thousand square kilometers. It opened in 2001 to respond to the surge in international passenger demand, and has also been nominated as the world's best airport multiple times by the Airports Council International (ACI).