Flight Heathrow Airport departs from London Heathrow Airport at 09:25 and arrives at Istanbul Sabiha Gökcen International Airport at 15:10.
The flighttime is about 3h 45m. The distance travelled ("as the bird flies"): 3495 Km. So the average speed is roughly 932 Km.
There is an 2 hour time difference between London and Istanbul
The best day to arrive at London is Monday and it would be best to avoid Wednesday, as prices are on average 727.13% higher than on Monday. (Average prices, based on 9851 datapoints.)
We have a lot more statistics for flights BA 602 and between London and Istanbul.