Which London Airport Is Closest to Central London?

Trying to figure out which London airport is closest to Central London? The answer is London City Airport, at roughly 7 miles from the centre — but distance on a map isn't the only thing that matters. How quickly you actually get into town depends on train frequency, your final destination, and time of day. Here's the full picture.

Distance Ranking: All Six London Airports

RankAirportDistance from Central London1London City (LCY)~7 miles2Heathrow (LHR)~15 miles3Gatwick (LGW)~28 miles4Luton (LTN)~35 miles5Stansted (STN)~40 miles6Southend (SEN)~42 miles

London City: Closest on the Map

London City sits right on the eastern edge of the capital, with a direct DLR connection to Bank and Canary Wharf in around 20–25 minutes. It's the smallest of London's airports and mainly handles short-haul European and business routes, so it's an easy win for proximity but a limited choice if you need long-haul flights.

Heathrow: Closest Major International Hub

Heathrow is the closest of London's larger airports, at around 15 miles from the centre, and it also has the fastest express train of any London airport — the Heathrow Express reaches Paddington in just 15 minutes. If your flight is long-haul or international, Heathrow combines proximity with by far the widest choice of airlines and routes.

Why "Closest" Isn't Always "Fastest"

Straight-line distance doesn't account for train frequency, direct routes, or traffic. A few examples:

  • Gatwick to London Bridge via Thameslink can be just as fast as a Heathrow journey to some parts of Central London, despite Gatwick being further away.
  • Stansted and Luton, though further out, both have direct express trains that avoid Underground changes, which can make them faster door-to-door than a shorter but more complicated route.
  • Traffic and time of day matter more for road transfers than for rail, so a taxi's journey time can vary significantly depending on when you land.

Choosing by Destination, Not Just Distance

  • City, Canary Wharf or East London: London City is closest and most direct.
  • Paddington, Kensington or West London: Heathrow's express train is the quickest route in.
  • Victoria, London Bridge or St Pancras: Gatwick's rail links often beat the raw distance.
  • Liverpool Street or North London: Stansted and Luton both connect well despite being further out.

What This Means for Your Booking

If proximity is your main concern and your flight is short-haul or a business trip, London City is worth checking first. For long-haul or international flights, Heathrow remains the closest practical option with the express train advantage. For everything else, match the airport to your accommodation's nearest station rather than distance alone — a slightly further airport with a direct train can easily beat a closer one that requires several changes.

To see how the three most frequently compared airports — Heathrow, Gatwick and Stansted — stack up on distance, train times and terminal layout, this comparison guide breaks it all down.

Frequently Asked Questions

Which airport is physically closest to Central London? London City Airport, at around 7 miles from the centre, is the closest of London's six airports.

Is Heathrow the closest major airport to London? Yes, among the larger airports (Heathrow, Gatwick, Stansted, Luton), Heathrow is the closest at roughly 15 miles, and it also has the fastest express train.

Does London City Airport handle long-haul flights? No, London City mainly serves short-haul European and business routes. Long-haul travellers typically fly via Heathrow instead.

Is a closer airport always faster to reach? Not necessarily. Train frequency, direct routes and your final destination can matter more than raw distance — a further airport with a direct express train can beat a closer one requiring several changes.

Which airport is best for someone staying in Central London on a budget? It depends on the flight, but comparing the total cost of the ticket plus the transfer — rather than distance alone — usually gives a clearer answer.