South Korea Airport Smoking Zones Smoking Areas/Zones/Lounges at North Korea Airports. 북한 공항의 흡연 구역/구역/라운지. Smoking is allowed at designated Smoking Areas, Smoking Zones and Smoking Lounges only. If you know more about Smoking Zone at this Airport, please contribute by sending us a message here... Smoking at Seoul Incheon International Airport – ICN – 2023