Flight Changi Airport departs from Singapore Changi Airport at 01:05 and arrives at London Heathrow Airport at 08:00.
The flighttime is about 13h 55m. The distance travelled ("as the bird flies"): 11049 Km. So the average speed is roughly 794 Km.
There is an 7 hour time difference between Singapore and London
The best day to arrive at Singapore is Wednesday and it would be best to avoid Friday, as prices are on average 138.57% higher than on Wednesday. (Average prices, based on 393057 datapoints.)
We have a lot more statistics for flights SQ 306 and between Singapore and London.
