South Jersey wasn't far behind, coming in at No. 15 with an average wedding cost of $40,231. ... Philly lands in top 10 for most expensive weddings in United States. Category2017 National Average Spend Overall Wedding (with ring, excluding honeymoon)$33,391 Venue (reception hall)$15,163 Photographer$2,630 Wedding/Event Planner$1,988 16 more rows Mar 5, 2018