SheIn offers its Shein Women's High Waist Woolen Skirt in Red or Navy for $17.85 with free shipping. That's $8 off list and the lowest total price we could find. It comes in sizes S to XL, although not in all size/color combinations.
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.