Originally Posted by
sbm12
There is nothing wrong with passing through the point of origin as part of the return AFAIK. The issue is that you still have too many stops in the itinerary (BOM, SIN and IAH/AUS).
I agree that this is unlikely to ticket due to the IAH/AUS plan. The one benefit of routing through Europe with SIN as the destination is awards in Y are cheaper to SIN than to BOM. IIRC awards in C/F are the same cost from N America.