Depends on traffic congestion. City Airport would be about 20 mins on average day, Heathrow would be 45 mins. Gatwick and Stansted are well outside of London, so hour plus.
london ,uk has 8 airports
One only and that is called london City
There are five airports in the London area... Heathrow, Gatwick, CIty, Stansted & Luton
Heathrow Gatwick and London City Airport.
The metropolitan area of London, England is served by six international airports and several smaller airports. Together, they make the busiest airport system in the world by passenger numbers and the second busiest by aircraft movements. In 2011, all six airports handled 133,709,327 passengers. The London airports handle 60% of all the United Kingdom's air traffic. There are 14 domestic destinations served by the airports and 396 international destinations......London has two main international airports (Heathrow and Gatwick) and two minor international airports (Luton and Stansted).
The main airport is Heathrow. The secondary airport is Gatwick.
London doesn't really have an obviously demarcated CBD. The City of London is a one-square mile area in central-east London that is the financial centre of the city.
London has five other airports that serve the city, other than London Heathrow Airport:Gatwick AirportLondon Luton AirportLondon City AirportLondon Southend AirportLondon Stansted Airport
The closest airport is City Airport. Heathrow is farther away and the cab fare is much higher because of it. There is also Southend and Stansted airports.
London City airport is nearest to the US embassy in London.
The City of London is the financial centre of London and there is virtually no residential accommodation within the 'square mile'.
London England.