Belfast metropolis has two airports. The biggest airport is Belfast Global Airport (often known as Aldergrove), which lies 21km northwest of Belfast metropolis centre. This is the next busiest airport around the island of ireland following Dublin Airport. The airport serves nearly forty eight places, which contain domestic flights, European flights and transatlantic flights to and from The us and Canada. Some flights operators that fly into Belfast contain Continental, EasyJet, Jet2, Manx2, Wizz Air, Zoom, bmi newborn and Aer Lingus.