Regional travel
Public transportation in Bergen is available in the form of buses and trams. Monthly passes can be purchased at the bus station. For travel around Norway, the train is a reasonable option. The railway systems are all run by Vy Group, and you can find schedules and ticket information online. The easiest — and usually cheapest — way to book tickets is online, though they can also be purchased in most stations.
With the exception of Sweden, traveling between Norway and the rest of Europe is easiest by plane. You can find reasonable prices from discount airlines: