Nestled in the snow-capped mountains of Stowe, Vt., Topnotch Resort is a popular ski-in, ski-out lodge with posh guest rooms, two restaurants, and a 35,000-square-foot spa. The idyllic winter retreat has partnered with private air-charter company Tradewind Aviation to create the Sky Is Not the Limit.

The vacation package includes round-trip charter flights from Westchester County Airport in New York to Morrisville–Stowe State Airport in Vermont, round-trip airport transfers, and overnight accommodations…