If you use a backpack, keep it in sight while riding on the underground. You ll pay more if you re returning in peak season. Arriving in London More than likely, you'll arrive at one of London's two major airports , Heathrow or Gatwick. In June 1998, the Heathrow Express went into operation, connecting Heathrow with Paddington Station in London. You can also take a bus from each airport, but with more difficulty.
Taxis are nice and convenient, but very pricey.
If you arrive by train from other European cities, you'll end up at one of the major stations like Victoria or King's Cross, from which it will be fairly easy to switch to a bus or the tube. The first two sources you'll want at your disposal are a pocket tube map and a Streetfinder. The former is a nice, compact map that shows all the stops on the tube, and is available at all ticket windows of the Underground. It's available at all bookstores, newsagents, etc. As you may know, they drive on the other side of the road in England.