Single journey tickets allow flexibility to fly into one part of the country and fly out of another. KLM UK is another company which is offering flights from London City Airport to Edinburgh, or from Stansted to Aberdeen, Edinburgh, Glasgow. For more on travel between Ireland and the UK click here . The official UK railways web site has all the timetables and online booking facilities. It takes about 4 hours to travel from London to Edinburgh on a day-time train and 5 hours to Glasgow.
Overnight sleepers are available.
For more details and prices see the special tickets page on the Scotrail web site . Coach travel Coach fares in the UK are another cheap way of travelling. National Express operates probably the biggest UK bus network. There are alsorts of discount cards and rover tickets which can be real bargains too. Phone them for details on 0990 808080.