Ready to Ship Lace Sleeve Chiffon Mother of Bride Dress Bridesmaid Dress Alterations: Everything You Need to Know The Dessy Group How to Hem Chiffon the Easy Way {needle and thREAD} How much does it cost to hem a dress? Our quick answer is $60 $120 but really, it depends on the dress. , We charge by the inch of the dress circumference. The fun twirly dresses usually cost more How to Hem Chiffon the Easy Way {needle and thREAD}