London City Airport

The most centrally located airport in London is London City Airport. From here you can take as best the Docklands Light Railway (DLR). You can take the DLR to Channington Underground station from were you can take the Jubilee tube line to London Bridge. From here you can switch to the tube at the Northern Line and go to Golders Green station.

For more information about the public transport and for the most actual times, you can look at the public transport schedule.