If you haven't been, you don't understand how absurd apres ski can be. But that being said, the terrain here is enormous with tremendous options across four distinct ski areas in the Arlberg Valley that comprise of St. Anton, St. Christoph, Stuben and Lech / Zurs.
Zurich or Munich are your best bets for flying in internationally. From there, rent a car or pursue the Austrian train system. The Austrian alps are beautiful and there is a hint of aggression on the lift lines but it's an experience in and of itself. With over 85 lifts, you won't even be able to get through even a third of the terrain on your visit. Fun times await.
Full Details: Ski Arlberg
The Famous Apres Ski Bar: Mooserwirt
Guiding Operator: Piste to Powder