New Windsor is in Orange County (New York). Understand Get in By plane Stewart International Airport (IATA: SWF), 1180 First St, 41.504167°, -74.104722°, +1 845 564-2100. 2019-08-08 Get around See National Purple Heart Hall of Honor. 2019-08-08 Knox's Headquarters State Historic Site, 41.455°, -74.05°. 2019-08-08 New Windsor Cantonment State Historic Site, 41.4728°, -74.06°. 2019-08-13 Do Buy Eat Drink Sleep Homewood Suites by Hilton Newburgh-Stewart Airport, 180 Breunig Rd, 41.49°, -74.10°, +1 845-567-2700. 2019-08-08 Connect Go next