LOT and JET Airways are selling cheap business class tickets between Warsaw (Poland) and Toronto (Canada). There is a lot of availability even in december 2016/ january 2017 incl. Christmas.
Fly Warsaw to Toronto for cheap 685€: WAW-YYZ
There are some fotos and an interesting review of Jet’s A330 Business Class at onemileatatime.
The routing basically is WAW-AMS-YYZ-AMS-WAW. The LOT segments book into Z and Jet books into P. See Wheretocredit for details: http://www.wheretocredit.com/calculator#WAW-AMS-LO-Z/AMS-YYZ-9W-P/YYZ-AMS-9W-P/AMS-WAW-LO-Z.