To Vienna International Airport (Flughafen Wien Schwechat, VIE)
Vienna International Airport has frequent connections to Frankfurt, Berlin, Munich, Zurich, London and many other cities within Europe and abroad. See Arriving at Vienna for detailed information about the airport facilities.
From the airport you can travel to the city
To Wien Hauptbahnhof (Wien Hbf)
Wien Hauptbahnhof (Vienna Central Station) is the main hub for public transport. All international trains and all national ÖBB-trains via Vienna stop there.
From Hauptbahnhof you can continue
Vienna is reachable by quite a few bus companies. Be aware that they all stop at different places in Vienna, there is no central bus station.
The following bus companies drive to Vienna:
Austrian freeways (Autobahn) have a toll system. You can buy an Autobahnvignette at booths at the border. In Vienna, parking is severly restricted.