Cost of living in Haifa (Israel) is 31% more expensive than in Zaragoza (Spain)
This comparison has some inconsistent or sparse data. It already provides a reliable comparison but it is not bullet-proof. It is based on 531 prices entered by 34 different people.
For example, you would need at least €2,484 (10,397 ₪) in Haifa to maintain the same standard of living that you can have with €1,900 in Zaragoza.