Blairstown Airport (FAA LID: 1N7) is a public-use airport located two nautical miles (3.7 km) southwest of the central business district of Blairstown, Warren County, New Jersey, United States.

The southeastern edge of the airport property sits upon the path of the former Lackawanna Cut-Off railway line.

For the 12-month period ending January 1, 2014, the airport had 19,790 general aviation aircraft operations, an average of 54 per day.

At that time there were 143 aircraft based at this airport: 56% single-engine, 5% multi-engine, 3% helicopter and 36% glider.

There are several shops and a supermarket located about 1 mile (1.6 km) north of the airport.