IPC is easy to get to via BA miles....
In regard to your earlier comment re difficulty of IPC itineraries, my wife and I used BA miles to fly JFK - SCL - IPC - SCL - JFK on LAN earlier this year. BA charged us 80,000 BA miles per person for travel in the new LAN business class, including SCL stopovers in both directions. We found the LAN business class product to be superior in virtually every regard.....