In Singapore, it is not uncommon for weddings to top S$100,000 ($79,560), according to Channel NewsAsia. In Chinese urban cities, the average wedding costs the equivalent of $32,000, according to Raul Vasquez, president of Weddings Beautiful China, a wedding planner certification company.nd in the US, the average wedding costs about $28,000 in 2012, according to the latest numbers from wedding website TheKnot.com — up 5% from the previous year. The cost in the US can also vary widely based on location. In Manhattan, average nuptials run about $76,000, for instance, reports TheKnot.com.