Cheap flights from Seoul Gimpo Intl Airport to Jeju City from C$ 40

In general, January is the cheapest month to fly from Seoul Gimpo Intl Airport to Jeju City. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 77. The month of March is another great option to travel to Jeju City, with average flight prices from Seoul Gimpo Intl Airport averaging around C$ 82.

On average, the least expensive day to fly to Jeju City from Seoul Gimpo Intl Airport is on a Thursday. momondo users have found tickets for Thursday departures for as low as C$ 69. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to Jeju City on Friday is C$ 184.

In the evening is the cheapest time of day to fly from Seoul Gimpo Intl Airport to Jeju City when you can find flight prices for as low as C$ 75. Flying to Jeju City in the evening is an ideal time because this is during off-peak travel hours. Try not to purchase tickets at noon because they tend to be around C$ 184. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

You are more likely to see cheaper flights to Jeju City from Seoul Gimpo Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Jeju City for around C$ 118 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Jeju City from Seoul Gimpo Intl Airport for as low as C$ 110 on momondo.

There is only 1 cabin class available to choose from on Seoul Gimpo Intl Airport to Jeju City flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Jeju Air and Asiana Airlines are the most popular carriers operating from Seoul Gimpo Intl to Jeju City

Jeju Air, Trinity Airways and Asiana Airlines are the top three most popular airlines that fly to Jeju City from Seoul Gimpo Intl Airport according to our data. Jeju Air is the first choice among our users, with 32% of people opting to fly with this airline when travelling to Jeju City. Keep in mind that there are 6 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 departing in the early afternoon have, in the past, seen delays more frequently in comparison.

Thursday is statistically the day of the week that experiences the fewest 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 has had the least delays on this route over the last 12 months, with about 12% of their flights experiencing any sort of delay.

116 flights are operational daily from Seoul Gimpo Intl Airport to Jeju City as of September 2026. The most popular departure time for this route is 6:00a.m., with 45% of flights per day taking off at noon.

816 flights are operational weekly from Seoul Gimpo Intl Airport 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.