Air Canada via Skyscanner have round trip airfares travelling from Charlotte NC (CLT) to Tokyo Japan (HND) for $ 587, making 1 stop each way. There’ll be overnight layovers in Toronto, both ways so plan ahead. Also, in general, always review any restrictions on tickets before final purchase.

Travel Availability:

Departs CLT: Oct 31 thru Dec 11 and then again Jan 5 thru Feb 29, 2020
Returns: wide and great availability returns