Flight Changi Airport departs from Singapore Changi Airport at 14:25 and arrives at Semarang Achmad Yani International Airport at 15:35.
The flighttime is about 2h 10m. The distance travelled ("as the bird flies"): 760 Km. So the average speed is roughly 351 Km.
There is an 1 hour time difference between Singapore and Semarang
The best month to arrive at Singapore is February and the most expensive month to fly is July. (Average prices, based on 682 datapoints.)
The best day to arrive at Singapore is Tuesday and it would be best to avoid Wednesday, as prices are on average 15.76% higher than on Tuesday. (Average prices, based on 993501 datapoints.)
The best time to book is 60 days before the departure date. You will get, on average, the cheapest price for flight QZ 663. (Average prices, based on 1338 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 1739 datapoints.)
We have a lot more statistics for flights QZ 663 and between Singapore and Semarang.