The 787-8's used price ranges from a minimum of $83.71 million to $117.07 million. 24/7 Wall St. Lease rates have also dipped. CV shows that lease rates on a 787-8 now range between $800,000 and $1.05 million a month while lease rates on the 787-9 range from $1.1 million to $1.25 million a month.