The Best How Much Does Average Wedding Cake Cost References. Web the average cost of a wedding cake in australia is close to aud 700. Bakers typically price wedding cakes by the slice, and charge between $2.50 and $8 per slice, according to bake my day baking in dallas, texas.

But a starting price of $1,000 and above is not impossible too. Figures from a national survey by the australian bridal industry academy (abia) and easy wedding provide a guide on the average cost of a wedding in key states across australia: Average wedding cake prices are down from what they were five years ago, when the cost was around $550 in.