Detailed information on travelling to the University of Aberdeen is available on the University's travel page. Cost of flights and trains can vary considerably depending on how soon in advance you book and your route. For example travelling from Birmingham (using Flybe or BMI baby) is a lot cheaper than travelling from Bristol.
A map showing the location of the University is given below.
All venues are given on the campus map of Old Aberdeen Campus.
Other campus maps are available for the University of Aberdeen Web site.