Summer Gateway - Up To 35% Off Staying At Millennium Hotels & Resorts, Middle East. Take advantage of special summer package with Millennium Hotels & Resorts and save up to 35% on summer stays across 24 hotels in Middle East. Create your perfect summer getaway now. Terms & Conditions: Period of booking & stay: Now until 31st August 2016. Offer is valid on room only rate. Use promo code: SUMMIL.