There is September 5-9 for $403.90. This earns 11,665 MileagePlus Miles:
https://aswbe-i.ana.co.jp/rei21a/int...QjbRCdBrfd0%3D
I've found some other dates in Late August so here is one: August 29-September 2nd: This earns 10,373 miles:
https://aswbe-i.ana.co.jp/rei21a/int...57213EZbDixfwt