Ontario Municipal Airport

Ontario Municipal Airport (ONO/KONO) is a public-use general aviation airport located in Ontario, Oregon, United States, situated in the far eastern corner of the state near the Idaho border. It serves the Treasure Valley region, which straddles the Oregon-Idaho state line and includes communities on both sides. The airport primarily supports general aviation traffic including private aircraft, charter flights, and agricultural aviation operations common to the surrounding farming region. It does not currently host scheduled commercial airline service. Owned and operated by the City of Ontario, the airport plays a practical role in regional connectivity, particularly for business and agricultural users who rely on general aviation access in this rural area.