In the UK, the cost of a Big Mac can vary; with McDonald’s restaurants within an airport location being the most expensive. The average price of a Big Mac sandwich, from a high street restaurant, is around £2.89.
1 Additional Answer
The Big Mac hamburger, sold by the international fast-food chain McDonald's, is one of the company's signature products. As of August 2010, a Big Mac in the UK was going for about ?2.99. That is almost ?3.