Austria
Alongside the fast but expensive CAT train, there is an ordinary stopping train to the centre of Vienna (same station as the CAT) that costs far far less. Ideal unless you're in a real hurry, but you have to look for it at the airport (follow blue signs to trains, not the CAT green ones).
Vienna International Airport
Rapid transit rail service with double decker trains from Schwechat airport to the city air terminal (near the Hilton and the Wien Mitte station where you have the U3 and U4 underground lines). Costs 9 Euros single and 16 Euros return; journey takes 16 minutes and trains leave the airport twice an hour at .05 and .35.
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