Direct flights
from Seoul (ICN)
to Sapporo (CTS)

Weekly schedule for flights between Incheon Intl (Seoul, South Korea) and New Sapporo Intl (Sapporo, Japan) operated by 1 airlines.
74 weekly flights operate on this route flying 888mi in 2h30min.
Expect $324 in average for a one-way ticket with the cheapest option at $138.