Best for easterners: Liftopia
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The Deal Liftopia has become a go-to for great lift ticket deals – think Travelocity for skiers. Discounts of up to 25 percent can be found for most resorts across the United States and Canada.

Pros Can be taken advantage of trip by trip rather than locking you into a pass.

Cons No accommodation discounts, and deals do sell out.

Best for skiers living on the East Coast who can't buy inter-mountain passes because their local resorts don't offer them. Deals vary, but it is always worth looking for a discount. [Up to 25 percent discounts on lift tickets; liftopia.com]