Jeju International Airport, South Korea ↔ Gimpo International Airport, South Korea
A direct route between Cheju and Seoul appears in the OpenFlights route network.
This reflects historical scheduled service and may be out of date — it is not a live timetable.
Airlines that have operated this route include:
Mean °C (high/low below), avg. rainfall mm · country-level monthly normals, not airport-specific.
Mean °C (high/low below), avg. rainfall mm · country-level monthly normals, not airport-specific.
Cheju (CJU) and Seoul (GMP) are around 451 km (280 miles) apart — an estimated 1h 4m by air. Distances and flight times are great-circle estimates.
Airlines recorded operating this route in the OpenFlights network include 7C, Korean Air, LJ, Asiana Airlines, TW, ZE. This reflects historical scheduled service and may be out of date.
Both airports keep the same time — no time difference.
Across South Korea, the warmest month on average is August, with mean temperatures around 30°C. These are country-level monthly climate normals, not airport-specific.
Distances and flight times are great-circle estimates, not booked block times.