$1,259. In 2015, the average cost of a wedding dress is between $1,089-$1,429. Expect to pay a bit more if your gown will include fancy beadwork, add-ons or intricate embroidery.These are just a few factors that can affect the overall cost that you will end up paying.1,259. In 2015, the average cost of a wedding dress is between $1,089-$1,429. Expect to pay a bit more if your gown will include fancy beadwork, add-ons or intricate embroidery.