Heathrow Airport, opened in 1929, is the largest and busiest in Europe and is continuously growing. It operates with numerous domestic and international flights around the globe.
Official Website: heathrow.com
Number of Terminals - 4 - Terminals 2, 3, 4 and 5, open 24 hours a day. Terminals 2 and 3 are linked through a pedestrian underpass, and there are free trains every 15 minutes to buildings 4 and 5. To move from Terminal 4 to 5 you must take bus 482 or 490.
Annual passenger traffic: More than 74.9 million passengers went through it in 2015.
Tel: +44 844 335 1801. There are information desks in the Arrivals area of every terminal and passenger ambassadors throughout the enclosure in purple uniforms. On the ground floor of Terminal 5 there are also help screens.