By Air : Vienna international airport is Austria’s main air transportation hub, just there are international airports at Linz, Graz, Salzburg, Innsbruck and Klagenfurt. Whenever one visits Austria from outside Europe, it’s less expensive to fly to a European ‘gateway’ city and travel overland from there. Munich, for example, is only two hours by train from Salzburg.
By Trains: Austria has excellent rail connections to all major European destinations. They’re probably the most well-situated and environmentally responsible way to travel overland.
By Road : Buses are slower and less comfortable than trains, but they’re cheaper and they travelling to all major European nation.
By Sea : Steamers they ply the Danube between Vienna and the German border town of Passau from May to late September. This a slow and expensive medium of transport and geared to scenic excursions instead of operational transport.

Going around
Transport systems in Austria are developed and very efficient.
By Air : Tyrolean Airways is the main domestic carrier and operates several flights a day between Austria’s major cities.
By Trains : A modern network of trains travels between key cities and Austrian trains are comfortable, clean and reasonably frequent
By Road : The Bundesbus (federal bus) network supports the rail service, and is generally used for local trips. Some ski resorts in Tirol and Vorarlberg can only be reached by Bundesbus or private transport.
Trams are also a common feature in Austrian cities.
One can also hire bicycles from over 160 railway line stations and returned to any other station. Separate bike tracks are common and the Danube cycling trail runs from the Black Forest in Germany to Vienna and beyond.
High-altitude destinations are reached via gondolas, cable cars or similar devices.