Skyport Airport (FAA LID: 4S4) is a public use airport located three nautical miles (6 km) north of the central business district of Cornelius, a city in Washington County, Oregon, United States.

[1] Skyport Airport covers an area of 8 acres (3.2 ha) at an elevation of 174 feet (53 m) above mean sea level.

It has one runway designated 16/34 with a turf and gravel surface measuring 2,000 by 45 feet (610 x 14 m).

[1] For the 12-month period ending February 24, 2010, the airport had 2,000 general aviation aircraft operations, an average of 166 per month.

At that time there were 3 aircraft based at this airport, all single-engine.