Flight Keflavík International Airport departs from Reykjavik Keflavík International Airport at 16:10 and arrives at London Heathrow Airport at 20:20. The flighttime is about 3h 10m. The distance travelled ("as the bird flies"): 2810 Km. So the average speed is roughly 887 Km. There is an 1 hour time difference between Reykjavik and London