Berlin has two airports all connected to the city by either train and/or bus.
Tegel: The JetExpressBus TXL brings passengers to the Mitte suburb in the city centre. The journey should take 30 minutes, costing just over €3.
Berlin Brandenburg International: Until recently called Schonefeld (it's still widely referred to as this), it is situated on the south-eastern side of the city, this airport serves flights mainly arriving from Europe, Asia and the Middle East. Trains R4 and R5 from Zoo Station travel to the city approx every 30 minutes. The journey takes about half an hour and costs about €2. This train operates from 4.30am-11pm daily.
By train: Berlin is where you will find Europe's largest train station, Berlin Hauptbahnof at Europlatz. The German capital's other main stations are Ostbahnhof, Bahnhof Lichtenberg and Bahnhof Zoologischer Garten (Zoo Station).
By bus: Buses coming from other cities within Germany, as well those from international countries finally stop in Zentraler Omnibus Bahnhof (ZOB).
On foot: Berlin is one of Europe’s largest cities, although many of its main sites, particularly in the east, are within walking distance of each other. In saying that, you will definitely need to use public transport during your stay.
By train: Berlin’s transport system consists of two types of train you can avail of: the U-Bahn (underground) and the S-Bahn (suburban) trains. 9 underground lines, along with 15 suburban lines make it the city’s most efficient mode of transport. Trains run from 4am until sometime between 12am and 1am.
By bus: For all those areas unreachable by train, a bus is sure to bring you there. The main train stations are also connected by feeder buses running between them. The best thing about getting on one of Berlin’s public buses is that they are great way to sightsee, particularly bus No 100.
By tram: Trams can be found operating in the eastern districts of the city.
By ferry: BVG (Berlin Verkehrsbetriebe – who operate Berlin’s public transport) also have several ferry services, namely the Kladow to Wannsee journey which is another great way to sightsee on public transport.
By bicycle: Berlin is very cycle friendly, and its a good way to get to know the city - there are specially marked bike lanes everywhere. There are also plenty of bike rental shops.