9London Heathrow Airport (LHR)
Source:snappyairporttransfers.co.uk
With 75 million yearly passengers, Heathrow is the third busiest airport in the world. Currently, it is being renovated, and a new Terminal 2 building is being constructed. The Terminal 5 building is the best airport terminal, according to Skytrax, and the airport is the main base for Virgin Atlantic and British Airways.