Air Seoul have ”Takamatsu route sale” on November 24, 2016.
・The target route nad price
Takamatsu ⇔ Korea/Seoul(Incheon) 4,000 JPY〜
※One-way price
※A fuel surcharge includes it, and an airport tax includes it
Sale period：Nov 24, 2016 at 4:00 p.m. – Dec 28, 2016 at 11:30 p.m.(JST)
Travel period：Nov 24, 2016 – Dec 28, 2016
This is less than normal half price.
Takamatsu route is five flights a week of Monday, Tuesday, Wednesday, Friday, Sunday.
[via=Air Seoul]