How much does a Japan SIM card cost? Reservations Team Created 14 June 2023 12:41 The price of our Japan Data SIM Card varies depending on the type of plan you choose. Typically, prices range from 2,000 JPY to 4,500 JPY for a one-month plan. Was this article helpful? 0 out of 0 found this helpful Comments 0 comments Please sign in to leave a comment.