Direct flights
from Seoul (ICN)
to Niigata (KIJ)

Weekly schedule for flights between Incheon Intl (Seoul, South Korea) and Niigata (Niigata, Japan) operated by 1 airlines.
3 weekly flights operate on this route flying 697mi in 2h05min.
Expect $274 in average for a one-way ticket with the cheapest option at $273.