In the second of our UK Airport Travel Guides, we'll focus on the world's busiest airport, London Heathrow.
Around 90 airlines use Heathrow as a hub, providing flights to more than 180 destinations in 90 countries. Heathrow consists of four terminals, with a fifth currently under construction.
Terminal 1
All Heathrow flights to the UK and Ireland depart from this terminal, as do some flights to long-haul destinations and Europe.
Terminal 2
This terminal serves European destinations as well as certain long-haul destinations.
Terminal 3
Long-haul operators are the mass users of this terminal, although some flights to Europe also operate from here.
Terminal 4
This terminal is used almost exclusively by British Airways and KLM.
How to get there
Although London bears its name, Heathrow is not actually located in the capital. London Heathrow is approximately 20 miles from central London and this should be taken into account when arriving at the airport.
Access to the airport is relatively easy by all means of transport. London Underground trains on the Piccadilly Line go