Here's something. Put the overcooked exchange rate aside for a minute, skiing costs less here than in the States. A day pass at my hill (and, after all, we're talking about more vertical than Jackson) was like 38 euros last year. Even at today's rate, that's $53, and obviously you pay less for multiday.
Food on the hill is less extortionate in Europe too, probably because there's competition (lots of huts and stuff, no monopolies on services).
I'd guess mountain lodging costs more, though it almost always includes breakfast and dinner. No idea about gear rental, though the seasonal for my kid (skis/poles/boots/helmet) last year was 100 euros.
One thing we don't have is season pass/weekly pass/combined pass deals. Lots more of those stateside than here. Gas? Well, let's not go there.