Flight Flesland Airport departs from Bergen Flesland Airport at 19:15 and arrives at Oslo Oslo Airport at 20:20.
The flighttime is about 1h 05m. The distance travelled ("as the bird flies"): 654 Km. So the average speed is roughly 604 Km.
The best month to arrive at Bergen is February and the most expensive month to fly is January. (Average prices, based on 218 datapoints.)
We have a lot more statistics for flights WF 109 and between Bergen and Oslo.