[04/17/2021 @ 10:55 AM CT] Fare gone.
American Airlines, Delta, United, ANA and various other airlines have round-trip flights from Austin (AUS) to Tokyo (HND/NRT) for $333-$413 with a connection. Flights in May, July, August, September, December, January. and February.
COVID travel restrictions are still in place, but this may be worthwhile for the later 2021 and early 2022 dates.