Singapore Airlines is based at John F. Kennedy International Airport (JFK), Terminal 4. Singapore Airlines JFK Terminal this terminal serves as a hub for international travelers thanks to its cutting-edge infrastructure and first-rate services. guests on Singapore Airlines have specialized check-in desks, expedited security for high-value guests, and entry to the Virgin Atlantic Clubhouse, which provides opulence and comfort prior to departure. To ensure that travelers have a good time, Terminal 4 also offers a variety of food and retail alternatives. Long-haul travelers can enjoy easy connectivity at the terminal thanks to direct flights to Singapore Changi Airport.