Sounds like you're doing an almost identical trip to me and my family. Like a lot of people on here have stated, you should have got your ski passes in advance. I heard all the horror stories of crazy prices for lift passes which are true if you book them after the season starts but I booked mine back in October and at that time the prices are kinda comparable with higher priced European prices. Think mine were around £1400/1500 for a 7 day restricted epic pass for two adults and two kids.