Browse the Chateau Online coupons, coupon codes, discounts, clearance sales, and bargains listed on this page! Click on the link to take advantage of the Chateau Online coupon, special or sale. If there is a Chateau Online coupon code or promo code associated with the offer, simply enter it in the Chateau Online shopping cart to redeem it. ChateauOnline is the leading European online wine merchant. We offer more than 5000 outstanding wines and champagnes, all rigorously selected by our Head Sommelier, Jean-Michel Deluc and his wine tasting committee.