Sure, the most environmentally friendly way to travel around the city is on foot or by bike. It's also a good idea to offset the carbon emissions created by a flight here.
Transport for London (TfL) has an extensive website providing up-to-the-minute information on all modes of London transport. TfL also has a network of LondonTravel Information Centres located in stations throughout the city, including Euston, Piccadilly Circus, Heathrow Airport, Victoria, Liverpool Street, as well as West Croydon bus station. London Travel tickets and information are also available at the Britain & London Visitor Centre at 1 Regent Street, near Piccadilly Circus.
London Tickets
Single fares are available for any journey, although it is better value to purchase a London Travel card if you will be making several journeys. Visitor Travel card London can be used on the London tube, London buses, DLR, London trams and national rail. For cheaper fares on single journeys, pick up an Oyster Card. As well as being able to use them as london travel card price, you can put up to £90 of credit on your card to be used to "pay as you go". For a short visit, try a London Oyster Card, for pay as you go journeys only. oyster cards london cost £2, and you buy them with an initial credit of £10 or £15.
London Underground
There are 11 colour-coded map of London underground (also known as the London tube) lines. Most operate from 05:00-00:30 Mon-Sat, and from 07:30-23:30 on Sun. The London tube is cheaper and less crowded to avoid the rush hour and travel after 09:30. The network is divided into six concentric zones -Zone 1 is the central area.
London Transport Buses
Some routes are especially good for sightseeing, such as routes 8 and 11, and services 9 and 15 use heritage Routemasters (old-fashioned double-deckers) during the day. Most London transport bus services operate from 05.00 till 00.30 daily, with many routes now operating 24-hour services. London transport tickets must be purchased before boarding a bus in Zone 1, and are available from london ticket machines at london bus stops - although visitors may find it easier and cheaper to buy a London bus pass or London travel card.
Docklands Light Railway London
The Dockland Light Railway, DLR connects London City and the London Underground network with Docklands, and offers a great way of exploring this rapidly changing area of London. It also forms a useful link to Maritime Greenwich. Services operate from 05:30-00:30 and tickets must be purchased before boarding a train.
London National Rail
London Trains are useful for reaching places not served by the Underground. Mainline stations include: London Waterloo and Victoria, serving the south of England; Paddington, the south-west; Euston, the north; King's Cross, the north-east; and Liverpool Street, the east.
London Coaches
Coaches are a quick and inexpensive way of making a day trip out of London. Victoria Coach Station is a major hub for various bus companies.
The London river
A great way to get around by day or night is on a boat on the Thames cruise. There are several piers for boarding and services head east towards Greenwich and west to Richmond. Get tickets on the pier or, in some cases, on the boat. London Travel card holders get a discount.
London Taxis
London's famous Black Cabs offer a safe and reliable door-to-door service. London Taxi can be hailed on the street when the yellow light is on, or at designated taxi ranks. Fares are regulated and all drivers and vehicles are licensed by the Public Carriage Office.
London Minicabs
Private-hire companies or minicab London cannot be hailed on the street; minicabs in London must be booked by telephone or in person at the operator's base. But do not get into a vehicle that is not licensed, or if the driver approaches you in the street. Text HOME to 60835 to get the phone numbers of three local, licensed London minicab operators sent to your mobile phone.
London Congestion Charge
If you are driving in central London Mon-Fri from 0700-1800 (except public holidays), you will need to pay the Congestion Charge. The charge is £8 per day, which must be paid either in advance or on the day of travel. If you pay by midnight the following day, the charge is £10.
Arriving by London Eurostar
There are frequent services to London from Paris and Brussels to London daily. The Paris London journey takes 2 hours 15 mins; Brussels London it is 1 hour 50 mins. The London trains arrive at St Pancras International station, bringing london travellers straight into the national rail network at King's Cross and the Transport for London bus and Underground systems.