Cheongju International Airport is served by 2 airlines, flying from/to 7 destinationsLongest flight from Cheongju International Airport is Cheongju to 🇻🇳 Nha Trang (CXR), which takes around 5 hours and 15 minutes. On an airline like T'way Air. More info on this flight route (CJJ-CXR).Shortest flight from Cheongju International Airport is Cheongju to 🇯🇵 Osaka (KIX), which takes around 1 hour and 45 minutes. On an airline like Aero K. More info on this flight route (CJJ-KIX).