Flight Narita International Airport departs from Tokyo Narita International Airport at 15:55 and arrives at Hong Kong Hong Kong International Airport at 20:00.
The flighttime is about 5h 05m. The distance travelled ("as the bird flies"): 3064 Km. So the average speed is roughly 603 Km.
There is an 1 hour time difference between Tokyo and Hong Kong
The best month to arrive at Tokyo is February and the most expensive month to fly is December. (Average prices, based on 13773 datapoints.)
The best day to arrive at Tokyo is Saturday and it would be best to avoid Sunday, as prices are on average 16.43% higher than on Saturday. (Average prices, based on 14168258 datapoints.)
We have a lot more statistics for flights GA 609 and between Tokyo and Hong Kong.