The cheapest city to live in Norway is often Kristiansund. It's smaller and less expensive compared to larger cities like Oslo or Bergen. Other affordable cities include Steinkjer, Hamar, and Drammen. These cities offer lower rent, grocery, and transportation costs while still providing access to Norway's natural beauty and quality of life. If you're looking for a budget-friendly option with a slower pace, these cities are great alternatives to Norway's major urban centers.