May I suggest a OW130C award? STL-CHC-LIM-STL is only 130,000 miles. And, for the same award, you could do something like STL-AKL-CHC-WLG-ZQN-SCL-LIM-SJO-STL. The possibilities are endless with this award.
Purchased first or business class between SCL & AKL/SYD are hard to get.
Award first or business class between SCL & AKL/SYD are
very hard to get.
Purchased business class between US and OZ/NZ are hard to get.
Award business class between US and OZ/NZ are
very hard to get.
You need to be very flexible with your dates and be prepared to travel on different days from Mr S