SheIn offers its SheIn Women's Spaghetti Strap Flowery Florals Chiffon Dress in Red Raspberry for $19.79 with free shipping. That's $12 off list and the lowest total price we could find, although we saw it for $5 less in February. It's available in sizes S to XL.

Note: Uncheck "Add Shipping Insurance to your order" during checkout to remove the 99-cent fee.