Flight Narita International Airport departs from Tokyo Narita International Airport at 20:10 and arrives at Singapore Changi Airport at 04:45.The flight has a short stop at Taipei.
The flighttime is about 9h 35m. The distance travelled ("as the bird flies"): 4385 Km. So the average speed is roughly 458 Km.
There is an 1 hour time difference between Tokyo and Singapore
The best day to arrive at Tokyo is Saturday and it would be best to avoid Wednesday, as prices are on average 153.92% higher than on Saturday. (Average prices, based on 205499 datapoints.)
We have a lot more statistics for flights TR 875 and between Tokyo and Singapore.