If you do have the two SA segments & the time & the class availability and don't want to waste the segments then you can try SCL-CCS-SCL, or SCL-SSA-SCL (only certain days) or even SCL-PUQ-SCL for a shorter but more frequent flights.
In Asia you could try HKG-DPS-HKG for a few days of relaxation in DPS before going on to DEL. On the OW Website DPS is in the Asia region but the new OWE Electronic Timetable puts it in the Pacific region. Perhaps the Dec 26, 2004 earthquake and ensuing tsunami moved DPS over