There are various dates Sep to Nov IAH DTW/ATL NRT SIN NRT ATL/DTW for <$600 most require at least a 1 day stay in SIN. Prices from DL.com. Had booked one earlier for $692 but checked tonight and price was $582 with 21,668 MQM 2.69 cpm so cancelled earlier res and rebooked, saved $109/ticket. Am very grateful that God inspired me to check again tonight. IAT DTW NRT SIN NRT ATL IAH. Returning thru DTW cost more so will return thru ATL. Wait listed for J using GUC even though there are more than 40 seats open on OB DTW NRT. Keep checking different dates Sep - Nov. Thanksgiving week Nov 20-23 $588.32 2.72 cpm thru DTW both ways and 36 hrs in SIN.