Sur La Table takes up to 75% offwinter clearance items, with prices starting from 49 cents. Shipping starts at $5.99, or get free shipping on orders of $59 or more via coupon code "SHIPFREE". A couple of best bets:
Sur La Table offers two Sur La Table Oven-to-Table Stoneware Au Gratins in White, Honey, or Red for $19.99 plus $6.99 for shipping. That's $40 off list and the lowest total price we could find. The set includes two Au Gratins of approximately 1 quart and 2 quarts.