Questions about Berlin Tegel "Otto Lilienthal" Airport (IATA: TXL) serving Berlin, the federal capital of Germany. It will continue to serve as Berlin's primary international airport until Berlin Brandenburg Airport is completed.
How to get from Tegel airport to Berlin city centre (near Stadtmitte metro station, to be more exact) on public transport?
I'd like it to be:
Straightforward (as few changes as possible; easy ...