Flight Keflavík International Airport departs from Reykjavik Keflavík International Airport at 11:30 and arrives at London London Luton Airport at 14:25.
The flighttime is about 1h 55m. The distance travelled ("as the bird flies"): 2798 Km. So the average speed is roughly 1460 Km.
There is an 1 hour time difference between Reykjavik and London