Flight Taoyuan International Airport departs from Taipei Taoyuan International Airport at 15:45 and arrives at Seoul Incheon International Airport at 19:15.
The flighttime is about 2h 30m. The distance travelled ("as the bird flies"): 958 Km. So the average speed is roughly 383 Km.
There is an 1 hour time difference between Taipei and Seoul
The best day to arrive at Taipei is Thursday and it would be best to avoid Tuesday, as prices are on average 197.35% higher than on Thursday. (Average prices, based on 1907097 datapoints.)
We have a lot more statistics for flights CI 162 and between Taipei and Seoul.