Key facts
- Incheon International Airport was the world's busiest for international passenger traffic in H1 2026.
- Incheon International Airport handled 38.39 million passengers in H1 2026.
- Disruptions in the Middle East contributed to Incheon's passenger traffic increase.
- The Iran war is cited as a cause for Middle East travel disruptions.
- Traffic was diverted from regional hubs to Incheon due to Middle East disruptions.
Incheon International Airport has achieved the top position globally for international passenger traffic during the first half of 2026. The South Korean hub handled a total of 38.39 million passengers in this period. This notable rise in traffic is significantly influenced by disruptions occurring in the Middle East, specifically those related to the Iran war. These geopolitical events have led to the rerouting of numerous flights, diverting passenger volume away from traditional regional hubs and towards alternative gateways like Incheon. The airport's new status reflects a dynamic shift in global air travel patterns, influenced by external factors impacting flight routes and passenger choices. This development underscores Incheon's growing importance as a key international transit point.