Jeju International Airport is served by 20 airlines, flying from/to 14 destinationsLongest flight from Jeju International Airport is Jeju City to 🇭🇰 Hong Kong (HKG), which takes around 3 hours and 10 minutes. On an airline like Jeju Air. More info on this flight route (CJU-HKG).Shortest flight from Jeju International Airport is Jeju City to 🇰🇷 (MWX), which takes around 1 hour. On an airline like Jin Air. More info on this flight route (CJU-MWX).