From Europe
Eurostar - European Destinations to London St. Pancras International
Tickets from £69.00 - http://www.eurostar.com
Eurostar is the high-speed passenger train linking the UK with the rest of Europe. Travel from the heart of Paris to London St. Pancras International in just 2hrs 15mins, or from the centre of Brussels in only 1hr 51mins. Return tickets from Paris and Brussels start at £69.00.
From UKVarious Train Operators - See National Rail Enquiries for travel options
London is well served by the UK Rail network. The Main Train Operators serving London are:
Arrives into Kings Cross from the North East and Scotland
From St. Pancras to the Midlands
For the North West and Scotland, arriving into Euston
Arriving from the South West into Paddington
Based at Waterloo for services to and from the south of England
Southern and SouthEastern
Serving Sussex and Kent from Victoria and London Bridge
Advance tickets can be purchased up to three months ahead, from as little as £10.00. Check the National Rail Enquires website http://www.nationalrail.co.uk for detailed journey options, timetables and prices.
From Central London to the World Paper Money Fair?
Have a look at the details on the Public Transport Page
Prices correct as of March 2011