ModCloth takes up to 50% off a selection of women's apparel and accessories as part of its Labor Day Sale. (Select items may receive even steeper markdowns.) Shipping starts at $5.99, or spend over $75 for free shipping. Shop dresses, swimwear, intimates, and more. A couple of best bets:
Revolve offers the AG Women's Jacqueline Chambray Shirtdress for $179. Coupon code "CANDY" drops it to $161.10. With free shipping, that's the lowest total price we could find by $62. It's available in most sizes from XS to L.