I have just booked via travel agent, there's special price for CX. Details as below:
Route : HK-Toronto-HK
(1) By CX (Cathay Pacific) --
Price HKD8100 plus tax/fuel/service fee approx HKD1450 - by cash/cheque only
***Condtions***
-Special economy L/V class fare
-Ticket validity min stay 2 nights / max stay 2 months
-From HK departure must be between 09Jul-15Jul2010
-Rebook fee HKD1200 per transaction before original departure date
-Subject to refund charge HKD1500 for totally unused ticket
-Ticket is nonendosable , nonreroutable