Direct flights
from Jeju (CJU)
to Seoul (GMP)

Weekly schedule for flights between Jeju Intl (Jeju, South Korea) and Gimpo Intl (Seoul, South Korea) operated by 1 airlines.
707 weekly flights operate on this route flying 281mi in 1h15min.
Expect $43 in average for a one-way ticket with the cheapest option at $31.