Hong Kong Airlines inaugurates new flight routes between Hakodate and Hong Kong. 4 flights per week from December 18
香港航空、函館〜香港線を開設 12月18日から週4往復
https://www.traicy.com/posts/20231019281322/
It is interesting that both of Hong Kong and Hakodate are famous for night scene seen from mountain top.
I wonder why there is no direct flight between Hong Kong and Sendai, even though Sendai is nearer than Hakodate and the population in Sendai is larger than Hakodate.