チェジュ航空、広島〜ソウル/仁川線を増便 2024年1月12日から1日2往復
Jeju Air increases Hiroshima〜Seoul/Incheon routes. 2 flights for both ways per day from January 12, 2024
https://www.traicy.com/posts/20231216285917/
Hiroshima is the airport having direct flights to 7 Asian cities. But, all of them except for flight to Seoul are one flight for both ways per day or less than that.
So, this flight addition shows how many people fly between Seoul and Hiroshima.