From the Airport 
Copenhagen International Airport Kastrup is located 8 km south of the city centre on the island of Amager. You can get from the airport to the city by taxi - train - metro or bus.  

Metro from Terminal 3 to Kongens Nytorv takes approximately 15 min.  Once you come out of the metro station take Lille Kongensgade on the first left. Keep straight (5 min walk) until you reach Højbro Plads. 

From the Central Station 
The train ride from the airport to Copenhagen Central Station takes about 10-15 minutes. If you come out on Bernstorffsgade (on the eastern side of the station) - take Bus 2A, if you are Tietgensgade (on the southern side of the station) - take Bus 1A to get to Christiansborg (3-5 min). Cross the bridge and you are at Højbro Plads.