Friday January 20, 2012 at 11:28AM from Biztrails T.
Airport transfer – Train from Terminal 4 ,

From September there will be a new rail link from Barajas airport Terminal 4 to the centre of Madrid (final stop Príncipe Pío).

The trains run from around five in the morning to twelve at night. A tickets costs around €3 depending on where you get off. 

Tip: Those with tickets for the AVE high speed train can use the new rail link for free.