Aeroflot Airlines Chicago Office russia's leading airline, Aeroflot Airlines, has expanded its presence in the United States significantly with the opening of a new office in Chicago. This action is consistent with Aeroflot's plan to better serve its expanding North American client base and expand its worldwide reach. The new office seeks to enhance operations, expand commercial relationships, and provide better customer service. It is placed strategically in one of the country's main economic centers.