SheIn offers its SheIn Women's Round-Neck Plaid Dress in Red/Black for $14.99 with free shipping. That's $9 off list and the lowest total price we could find. It's available in sizes XS to L.
Note: Uncheck "Add Shipping Insurance to your order" during checkout to remove the 99-cent fee. This item ships from mainland China and should arrive in three to four weeks.