Perfect for your next weekend getaway. Arrive on a Friday and receive an upgrade with this exclusive offer. All year long The Westin Southfield Detroit is celebrating you! From $118 for upgrade to Executive Level King, from $138 for upgrade to Executive Level Double, from $168 for upgrade to Junior Suite, from $188 for upgrade to Deluxe Suite. Book online, or call (866) 716-8104 and ask for promo code LWZ.