Any idea if I can route from NY to Europe zone 2 as a connection (less than 24 hours) and then go back to Europe zone 1 so it costs only 45K in biz?
AC is not very good with back tracking, but with enough HUCA it can be done.
Does Aeroplan allow you to piece together awards like United used to?
YMMVTheir online multi-city tool is the worst. Calling them after you have *A availability confirmed may be your best choice.