Glad to report that this trick still works. I was able to book the following itinerary on lan.com. today for 160,000kms (50,000+ 110,000):
14:00 Los Angeles (LAX) 06:50 (Thursday) Santiago de Chile (SCL) LA601
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08:05 Santiago de Chile (SCL) 12:00 Sao Paulo (GRU) LA0750
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09:20 Sao Paulo (GRU) 12:35 Santiago de Chile (SCL) LA0755
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23:20 Santiago de Chile (SCL) 07:40 (Saturday) Sydney (SYD) LA801
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