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

Weekly schedule for flights between Kansai Intl (Osaka, Japan) and Incheon Intl (Seoul, South Korea) operated by 1 airlines.
203 weekly flights operate on this route flying 538mi in 1h55min.
Expect $160 in average for a one-way ticket with the cheapest option at $113.