Top ranked Emirates also awarded as "Airline of the year 2016" offers some interesting solution from Italy to America. Direct return flights from Milan to New York are now starting at €374. This is including some good option to celebrate Christmas Holidays in NYC. All taxes and fees, meals and 2x checked bag are already included.
Emirates promotinal deal is valid for flights in travel period from 3rd of January till 31st of March 2017. Max stay 1 month. Discounted flights are available till 21st of December 2016 or until sold out. Below you can refer to booking samples via booking agents or directly with the airlines. (where you can also easily compare travel options - use flexible search).
Booking samples
Milan - New York for €399 (directly with Emirates)
You can book your accommodation in New York in advance through Booking.com or consider following promo codes that offer booking servers Amoma, Hotelopia or Venere.
Booking sample of cheap Emirates direct flights from Milan to New York for €374 here. In this case you would be flying from Milan to New York on 5th of March and returning back from USA to Europe on 18th of March 2017.