Flight Sabiha Gökcen International Airport departs from Istanbul Sabiha Gökcen International Airport at 12:35 and arrives at London London Stansted Airport at 14:35.
The flighttime is about 4h 00m. The distance travelled ("as the bird flies"): 3436 Km. So the average speed is roughly 859 Km.
There is an 2 hour time difference between Istanbul and London