The main airport of London, London Heathrow Airport, is located 29 km west of London. The airport code for Heathrow is LHR. This is the largest airport in the world currently sitting at the top spot of the passenger volume rating (data of 2012).
The fastest way to get from the airport to the centre of London is to take an express train Heathrow Express connecting the airport with the London Paddington station. The service runs daily from 5:10 am to 11:25 pm, with trains departing every 15 minutes in both directions. Heathrow Express has two stops within the airport itself: Heathrow Central, servicing terminals 1,2,3 and Heathrow Terminal 5. The journey from Paddington to Heathrow Central lasts 15 minutes and to Heathrow Terminal 5 - 21 minutes. Passengers arriving or departing from/to Terminal 5 (for instance, SkyTeam passengers) may use an inter-terminal shuttle service from Terminal 4 to Heathrow Central.
Gatwick Airport is located 48 km south of London. The airport code for Gatwick is LGW. The airport has the second largest passenger volume among airports both in London and in the whole of Great Britain. Gatwick is a leading charter airline airport in Europe.
Stansted Airport is located 60 km south-east of London. Its airport code is STN. Stansted mainly services lowcost airlines, specifically Ryanair, which uses the airport as a hub and operates over 100 departures from there.
Luton Airport is located 55 kn north-west of London. Its airport code is LTN. The airport services lowcost airlines, including Ryanair and EasyJet.
London City Airport is located in London proper, 14 km east of the city centre. The airport code is LCY. Its main clientele comes from business flights, with London City and Canary Wharf as the main financial hubs of London being the biggest clients.
London Southend Airport is located 68 km east of London. The airport code is SEN. Southend's main business is domestic departures and short-haul flights mainly serviced by low-cost operators such as EasyJet.