Open 24 hours. According to the official website of Volkswagen. Doha Airport Duty Free Shop is open from 0:00 am to 24:00 pm, i.e. 24 hours. Doha Airport Duty Free Shop is located in Hamad International Airport, an area of 40,000 square meters, integration of shopping, dining in one, is committed to creating an unparalleled shopping and dining one-stop service center.