Kumamoto Airport is served by 7 airlines, flying from/to 7 destinationsLongest flight from Kumamoto Airport is Kumamoto to 🇭🇰 Hong Kong (HKG), which takes around 3 hours and 45 minutes. On an airline like Hong Kong Airlines. More info on this flight route (KMJ-HKG).Shortest flight from Kumamoto Airport is Kumamoto to 🇯🇵 Osaka (ITM), which takes around 1 hour and 10 minutes. On an airline like ANA. More info on this flight route (KMJ-ITM).