Ellison Onizuka Kona International At Keahole Airport is served by 13 airlines, flying from/to 19 destinationsLongest flight from Ellison Onizuka Kona International At Keahole Airport is Kailua/Kona to 🇺🇸 Denver (DEN), which takes around 6 hours and 35 minutes. On an airline like United Airlines. More info on this flight route (KOA-DEN).Shortest flight from Ellison Onizuka Kona International At Keahole Airport is Kailua/Kona to 🇺🇸 Kamuela (MUE), which takes around 30 minutes. On an airline like Southern Airways Express. More info on this flight route (KOA-MUE).