Cheap flights from Seoul to Jeju City from $30

The month of March is another great option to travel to Jeju City, with average flight prices from Seoul averaging around $83.

The cheapest day to depart from Seoul to Jeju City is on a Tuesday. Travellers who choose to depart for Jeju City on a Tuesday will often find tickets for as low as $93. The most expensive day to fly to Jeju City is Thursday, with ticket prices averaging around $157.

In the evening is the cheapest time of day to fly from Seoul to Jeju City when you can find flight prices for as low as $92. Flying to Jeju City in the evening is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Jeju City is at midday when prices are around $147.

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.

As of October 2026, prices for Seoul to Jeju City flights are approximately 37% cheaper when compared to flights at the same time last year.

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, there are 102 flights per day flying from Seoul to Jeju City. The most common time of day flights depart is 06:00, with 43% of flights taking off at midday.

As of October 2026, 715 flights take off from Seoul and land in Jeju City each week. The most common flight departure day for this route is Sun, with 15% of weekly flights taking off on this day.