Cheap flights from Seoul to Jeju City from $12

The month of January is, on average, the cheapest month to fly to Jeju City from Seoul, with most prices found around $55. If you aren’t able to travel during the month of January, then book flights to Jeju City from Seoul during March instead. Flights to Jeju City in March, while not as cheap as those in January, still average around $58.

The cheapest day to depart from Seoul to Jeju City is on a Tuesday. Travelers who choose to depart for Jeju City on a Tuesday will often find tickets for as low as $77. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Seoul to Jeju City for around $125.

In the afternoon is the cheapest time of day to fly from Seoul to Jeju City when you can find flight prices for as low as $83. Flying to Jeju City in the afternoon is an ideal time because this is during off-peak travel hours. Flights in the morning are often more expensive with an average ticket price of $103.

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

There are 3 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.

No. A direct flight is the cheapest option for a flight between Seoul to Jeju City.

Jeju Air, Trinity Airways (Formerly T'way Air), and Eastar Jet are the most popular carriers operating from Seoul to Jeju City

Jeju Air, Korean Air and Asiana Airlines are the top three most popular airlines that fly to Jeju City from Seoul according to our data. Jeju Air is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Jeju City. Keep in mind that there are 8 different airlines that fly to Jeju City on a routine basis, so you have a few additional options to choose from.

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 81 minutes.

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

Thursday is statistically the day of the week which experiences the fewest number of delays on this flight route. Monday has historically seen more delays on average compared to the rest of the week.

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

As of September 2026, 120 flights take off from Seoul and land in Jeju City each day. The most common flight departure time for this route is 6:00AM, with 45% of daily flights taking off at noon.

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