Direct flights
from Seoul (ICN)
to Osaka (KIX)

Weekly schedule for flights between Incheon Intl (Seoul, South Korea) and Kansai Intl (Osaka, Japan) operated by 1 airlines.
214 weekly flights operate on this route flying 538mi in 1h45min.
Expect $145 in average for a one-way ticket with the cheapest option at $0.