Cheap flights from Osaka Kansai Intl Airport to Seoul from $92

The month of June is another great option to travel to Seoul, with average flight prices from Osaka Kansai Intl Airport averaging around $152.

According to our data, Saturday is the cheapest day to fly to Seoul from Osaka Kansai Intl Airport. The lowest ticket price found for a Saturday departure recently was $188. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Seoul is Tuesday, with ticket prices averaging around $661.

Flying to Seoul from Osaka Kansai Intl Airport at noon is the least expensive time of day to depart. momondo users have found prices as low as $151 when looking at flights departing at noon. In the afternoon is when there is more demand to fly to Seoul, so prices are often more expensive at around $362 per ticket.

Fly from Osaka Kansai Intl to Seoul Gimpo Intl for the best Osaka Kansai Intl - Seoul flight prices

You are more likely to see cheaper flights to Seoul from Osaka Kansai Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Seoul for around $178 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seoul from Osaka Kansai Intl Airport for as low as $141 on momondo.

There are 3 cabin classes available to choose from on Osaka Kansai Intl to Seoul flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Jeju Air, Peach, and Shandong Airlines are the most popular carriers operating from Osaka Kansai Intl to Seoul

Peach, Asiana Airlines and Korean Air are the top three most popular airlines that fly to Seoul from Osaka Kansai Intl Airport according to our data. Peach is the first choice among our users, with 53% of people opting to fly with this airline when traveling to Seoul. Keep in mind that there are 4 different airlines that fly to Seoul on a routine basis, so you have a few additional options to choose from.

Historically, on average around 4% of flights between Osaka and Seoul have experienced a delay on any given week. The average delay length over the past 12 months has been 97 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

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

According to our data, Peach have had the least number of delays on this route over the last 12 months; with about 3% of their flights experiencing any sort of delay.

As of March 2026, there are 52 flights per day flying from Osaka Kansai Intl Airport to Seoul. The most common time of day flights depart is 11:00AM, with 46% of flights taking off at noon.

365 flights are operational weekly from Osaka Kansai Intl Airport to Seoul as of March 2026. The most popular departure day for this route is Sun, with 19% of flights per week taking off on this day.