Peach Airlines, which flies from Kansai Airport, has some amazing fares available on its ¥2015 New Year’s sale
As always with Peach, there are a lot of rules, regulations and black out dates, but if you’re looking for a cheap trip to Korea or Taiwan, this is pretty hard to beat. You can read more here – http://www.flypeach.com/campaign/newyear_sale_20150103.aspx