Delta has dropped the price of their flights from Edmonton to Hong Kong down to $698 CAD roundtrip including taxes.
Availability for travel
April, May, September, and October 2016
How to find and book this deal
1. Search for available dates with a Google Flights search like this one:
(click on the departure date box to open up the calendar view and look for the cheaper dates)
2. Go to Delta.com and search for a flight from Edmonton (YEG) to Hong Kong (HKG)
Try the same dates you found on Google Flights.
Screenshot from Delta.com