China Southern offers round-trip flight from Los Angeles (LAX) to Singapore (SIN) making one stop at Guangzhou (CAN) for $374.
Available Dates: (price and date subject to change)
Depart LAX Oct 29— Depart SIN Nov 6, 7
Depart LAX Nov 3, 4, 6, 17, 18, 19 — Depart SIN Nov 11, 12, 14, 25, 26, 27
Depart LAX Nov 24, 25, 26, 27— Depart SIN Dec 3, 4, 5, 6
8/9/10 days availability between the selected dates in Oct, Nov & Dec
https://www.skyscanner.