OK, we think we have the itinerary sorted now and the flight availability also seems good.
We are hoping to do -
SYD-SCL-LIM-CUZ-LIM-IGU--GIG-JFK-LAS--SFO-ORD-LHR-BKK-HKG-HKT-HKG-SYD
This is on the limit and gets us to our preferred sites and includes a short flight from Iguassa Falls to Rio...