It is used for London Gatwick Airport.
It is used for London Gatwick Airport is one possibility.
lets get wasted
London Gatwick, United Kingdom (LGW)
London - London - All Airports, United Kingdom (LON)London - London Gatwick, United Kingdom (LGW)London - London Heathrow, United Kingdom (LHR)
Could be LHR (Heathrow) or LGW (Gatwick).
London Gatwick (LGW) -> New York/Newark (EWR)
8hr 40min London Gatwick (LGW) to Antigua (ANU) by a nonstop flight operated by British Airways.
688 miles Gatwick Airport (LGW) to Barcelona Airport (BCN)
993 miles Gatwick Airport (LGW) London to Almería Airport (LEI)
A random search for flights from Male (MLE) to London All Airports (LON) shows: OPTION 1: 10hr 40min nonstop to London Gatwick (LGW) MLE - LGW British Airways Flt 2042 Dep 11:45am 10May,Mon Flight Duration: 10hr 40min. This is the cheapest option also.
LDNAs used by BBC London news programme.London hasn't got an abbrevition, its just called London. If you mean the airline abbreviations for London's airports, it's LGW for Gatwick and LHR for Heathrow.
The 3-letter designator for UK's London Gatwick Airport is LGW.