Originally Posted by
drewguy
So, I would not rule out hope for a March set of flights, when it's not high tourism season, assuming OP is willing to fly midweek when there's less business demand..
If end of March? Cherry blossom season, medium to high demand.
Don't forget about ToD/buy up, lowest ive seen for conusa-japan is $300 for PremPlus and $799 for Polaris one way, which makes the miles option not worth it.
Miles upgrade is usually 30k (PremPus) or 30k+$600(Polaris) one way