- Kastrup Airport, also known as Copenhagen Airport, is the main international airport serving Copenhagen, Denmark. It is located on the island of Amager, about 8 kilometers south of Copenhagen city center. Kastrup Airport is the largest airport in the Nordic countries and serves as a major hub for Scandinavian Airlines (SAS) and a number of other airlines. It offers flights to numerous destinations around the world, including both domestic and international flights. The airport has three terminals and handles millions of passengers every year. Kastrup Airport is well-equipped with facilities and amenities, including shops, restaurants, lounges, and transportation options such as trains, buses, and taxis.