Just booked 2 Y seats in Jan-Feb 2020
YYZ-ORD-TPE (AC and BR) stop
TPE-BKK-SGN (BR and TG) stop
SGN-SIN-SYD (SQ) Destination
SYD-YVR-YWG-YYZ (all AC, too bad nothing better)
$633.46 + booking fee $33.9 per person, for total of $1,334.72. Thought the tax/fees would be less, but oh well.