Cost of living in Bilbao (Spain) is 19% cheaper than in Aberdeen (United Kingdom)
This comparison has some inconsistent or sparse data. It already provides a reliable comparison but it is not bullet-proof. It is based on 639 prices entered by 53 different people.
For example, to keep the same standard of living that would require £3,800 in Aberdeen you would need to make just about £3,061 (€3,489) in Bilbao.