Flight Heathrow Airport departs from London Heathrow Airport at 10:55 and arrives at Tokyo Haneda Airport at 11:20.The flight has a short stop at Moscow. The flighttime is about 16h 25m. The distance travelled ("as the bird flies"): 15308 Km. So the average speed is roughly 932 Km. There is an 8 hour time difference between London and Tokyo