Benazir Bhutto International Airport is an airport which formerly served the Islamabad–Rawalpindi metropolitan area. It was the second-largest airport by air traffic in Pakistan, until 1 May 2018 when it was replaced by the new Islamabad International Airport. Also known as Chaklala Airbase, it was renamed after the late Pakistani prime minister Benazir Bhutto in Jun…Benazir Bhutto International Airport is an airport which formerly served the Islamabad–Rawalpindi metropolitan area. It was the second-largest airport by air traffic in Pakistan, until 1 May 2018 when it was replaced by the new Islamabad International Airport. Also known as Chaklala Airbase, it was renamed after the late Pakistani prime minister Benazir Bhutto in June 2008. The airport handled 4,767,860 passengers in 2015–16, compared to 3,610,566 in 2010–11.