Burger King to Sell br 'Ghost Whopper' br for Halloween To emulate a ghost, the spooky sandwich will be served on a white cheddar bun. The "Ghost Whopper" will go on sale October 24, but will be available in just 10 select locations. The chain is selling the br limited-time item for $4.59. The locations are in 10 different cities, which include Detroit, San Diego, Memphis, Philadelphia, San Antonio, San Francisco, Summerville, SC, br and Phoenix. They will also sell in select br Burger Kings in Savannah, Georgia, br and New Orleans, Louisiana. Both cities are known for being br two of the most haunted in America.