Originally Posted by Torode

You might have just missed out on the booking window. I think the discounted tickets (super value premium 28, etc.) for Q1 2019 went on sale on August 26, and a lot of people snapped up the cheap fare buckets on the lucrative HND-OKA route immediately. I suggest staying apprised of when discount tickets for subsequent quarters will go on sale and standing by to grab the best fares.