You can e-book a stopover with a 1-way award ticket booked with Mileage Prepare miles. Also, you will not pay for any fuel surcharges when flying Qantas. The Japan Airlines Mileage Bank plan employs a length-dependent award chart, and that is broken into tiers based upon the number of miles https://businessflightshop.co.uk/blog/get-your-first-class-tickets-to-new-york-some-destinations-for-christmas-holiday-vacations/