Incheon International Airport, located approximately 30 miles west of Seoul, has achieved the top ranking for international passenger traffic globally during the first half of 2026. According to preliminary data from the Airports Council International, the facility processed 38.39 million international passengers, surpassing London’s Heathrow Airport, which recorded 37.79 million passengers, and Singapore’s Changi Airport with 34.53 million.
This represents a historic milestone for Incheon, which opened in 2001. The airport has experienced significant growth in its global standing over recent years, improving from a ranking of tenth in 2002 to fifth by 2018, and third in both 2024 and 2025. International passenger traffic increased 6.3% compared to the previous year.
Airport officials attributed part of the surge to geopolitical factors affecting Middle Eastern aviation hubs. The conflict between the United States and Iran has disrupted traditional travel routes through the Middle East, with some transfer passengers redirecting through alternative pathways in East Asia. This shift has benefited Incheon’s position as a regional gateway. Additionally, the airport has seen rising numbers of foreign visitors, particularly from China and Japan, contributing to overall traffic growth.
Foreigners comprised 39.3% of Incheon’s passengers during the first half of the year, up from 35.2% for the entirety of 2025, with the second quarter reaching a record 44.4%. The airport currently serves 101 airlines operating routes to 183 cities, including 158 international destinations. A four-phase expansion that concluded in late 2024 expanded the facility’s annual capacity to 106 million passengers. Acting president Kim Beom-ho credited the achievement to government support and the efforts of airport personnel.
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