OMG - you made my day. I now have to plan this trip. My BA Chase card and my Amex MR points both now have a purpose.
Originally Posted by
mnscout
30,000 on AA to LIM, 40 to SCL (not sure about BA, but should be the same, more or less).
25,000 on BA (LAN) LIM-ICP and ICP-PPT.
Whichever you choose, you'll likely be forced to go to SCL rather than LIM. Outbound flights to LIM have almost ZERO availability on AA (and BA). Inbound flights from LIM are easier to get, so you could play with OW redemptions.
Also LAN only flies 2 or 3 times a week to those islands, so availability is not stellar as well, but you can get them if you check every day. This would be a vacation of a lifetime if you can pull it off. You could even start with Machu Picchu to make it even "more perfect"

.