Why can't I find the ticket from Sapporo to Dalian? What's the matter?

China Southern Airlines can be selected as the direct flight from Sapporo to Dalian, and China International Airlines, All Nippon Airways, China Airlines, China Eastern Airlines, Japan Airlines and Korean Air can be selected as the connecting flights. The specific price can be found on the above airlines in official website or consulted with the sales department in Sapporo.