Flight Narita International Airport departs from Tokyo Narita International Airport at 11:05 and arrives at Seoul Incheon International Airport at 14:05.
The flighttime is about 3h 00m. The distance travelled ("as the bird flies"): 1555 Km. So the average speed is roughly 518 Km.
The best day to arrive at Tokyo is Friday and it would be best to avoid Sunday, as prices are on average 231.28% higher than on Friday. (Average prices, based on 3797744 datapoints.)
We have a lot more statistics for flights BX 163 and between Tokyo and Seoul.
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