Ogdensburg International Airport — Ogdensburg, United States

Ogdensburg International Airport, coded OGS, is located in Ogdensburg, New York, along the St. Lawrence River near the Canadian border. Despite its international designation, OGS is a modest facility offering limited scheduled service, often through Essential Air Service subsidies connecting the region to hub airports. The airport has historical significance as a former U.S. Air Force base during the Cold War, with infrastructure originally built to accommodate larger military aircraft, which explains its comparatively long runway relative to the small population it serves today. Ogdensburg's proximity to Canada makes the airport occasionally useful for cross-border general aviation and customs processing. OGS continues to serve northern New York's St. Lawrence Valley community with a mix of commercial, general aviation, and occasional military heritage relevance.