Hilo International Airport, formerly General Lyman Field, is a regional airport located in Hilo, Hawaiʻi, United States. Owned and operated by the Hawaii Department of Transportation, the airport serves windward Hawaiʻi island including the districts of Hilo, Hāmākua and Kaʻū, and Puna. It is one of two international airports serving Hawaiʻi island, the other being Kona International Airport on the leeward side.