Cheap flights from Seoul to Jeju City from R466

The month of January is, on average, the cheapest month to fly to Jeju City from Seoul, with most prices found around R915. If you’re not able to fly to Jeju City in January, then March is your next best option. Flight prices from Seoul to Jeju City during March average around R965.

Flying to Jeju City from Seoul in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as R2 048 when looking at flights departing in the afternoon. In the morning is when there is more demand to fly to Jeju City, so prices are often more expensive at around R2 908 per ticket.

Fly from Incheon Intl to Jeju City for the best Seoul - Jeju City flight prices

There are 2 cabin classes available to choose from on Seoul to Jeju City flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Historically, on average around 14% of flights between Seoul and Jeju City have experienced a delay on any given week. The average delay length over the past 12 months has been 80 minutes.

Generally, flights departing at night tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

Sunday is statistically the day of the week that experiences the fewest delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

According to our data, Korean Air have had the fewest delays on this route over the last 12 months, with about 11% of their flights experiencing any sort of delay.

As of October 2026, 108 flights take off from Seoul and land in Jeju City each day. The most common flight departure time for this route is 6:00, with 43% of daily flights taking off at midday.

761 flights are operational weekly from Seoul to Jeju City as of October 2026. The most popular departure day for this route is Mon, with 15% of flights per week taking off on this day.