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 €378 per person. (Based on two travellers). This is including some good option to celebrate Christmas Holidays in NYC. All taxes and fees, meals and 2x checked bags are already included.
Emirates promotinal deal is valid for flights in travel period from now till 27th of June 2017. Based on date of your outbound flight to New York. Max stay 1 month. Discounted flights are available till 17th of May 2017 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 €420 (directly with Emirates)
Milan - New York from €378 (Based on booking made for 2 travellers)
Milan - New York from €390 (Non-stop Alitalia flights)
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 €378 here. In this case you would be flying from Milan to New York on 11th of June and returning back from USA to Europe on 19th of June 2017.