Originally Posted by
abmj-jr
The problem with many of those flights that connect in other Asian countries is that the extra leg adds significant time to the trip. For an extra three hours, I'd rather spend it on the shinkansen back to Tokyo
If assuming a departure from Osaka or Kyoto, I agree. To be clear, I think the connection in ICN starts to really make sense if you wish to leave from Okayama or Hiroshima, for example.