Toledo Suburban Airport (ICAO: KDUH, FAA LID: DUH) is a public use airport located two nautical miles (3.7 km) southwest of the central business district of Lambertville, a city in Monroe County, Michigan, United States. It is located just north of Michigan's border with Ohio and northwest of the city of Toledo, Ohio. It is included in the Federal Aviation Administration (FAA) National Plan of Integrated Airport Systems for 2017–2021, in which it is categorized as a general aviation facility.