Cost of living in Haifa (Israel) is 25% 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 434 prices entered by 36 different people.
For example, you would need at least €3,754 (15,828 ₪) in Haifa to maintain the same standard of living that you can have with €3,000 in Zaragoza.