Cheap flights from Incheon Intl Airport to Osaka from $63

In general, August is the cheapest month to fly from Incheon Intl Airport to Osaka Kansai Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $142. If you aren’t able to travel during the month of August, then book flights to Osaka Kansai Intl Airport from Incheon Intl Airport during September instead. Flights to Osaka Kansai Intl Airport in September, while not as cheap as those in August, still average around $148.

The cheapest day to depart from Incheon Intl Airport to Osaka Kansai Intl Airport is on a Tuesday. Travelers who choose to depart for Osaka Kansai Intl Airport on a Tuesday will often find tickets for as low as $171. Flights from Incheon Intl Airport to Osaka Kansai Intl Airport on a Friday will generally be more expensive and average around $275. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Our data shows that the cheapest Incheon Intl Airport to Osaka Kansai Intl Airport flights are usually those with departure times at noon. Our users have found flights to Osaka Kansai Intl Airport at noon for as low as $191. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $218 on average. Flights to Osaka Kansai Intl Airport from Incheon Intl Airport in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

You are more likely to see cheaper flights to Osaka Kansai Intl Airport from Incheon Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Osaka Kansai Intl Airport for around $191 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Osaka Kansai Intl Airport from Incheon Intl Airport for as low as $167 on momondo.

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

Jin Air, Jeju Air, and Trinity Airways (Formerly T'way Air) are the most popular carriers operating from Incheon Intl to Osaka Kansai Intl

Jeju Air, Peach and Jin Air are the top three most popular airlines that fly to Osaka Kansai Intl Airport from Incheon 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 traveling to Osaka Kansai Intl Airport. Keep in mind that there are 9 different airlines that fly to Osaka Kansai Intl Airport on a routine basis, so you have a few additional options to choose from.

Historically, on average around 8% of flights between Incheon and Osaka have experienced a delay on any given week. The average delay length over the past 12 months has been 98 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights at night 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. Saturday has historically seen more delays on average compared to the rest of the week.

According to our data, Air Busan have had the least number of delays on this route over the last 12 months; with about 4% of their flights experiencing any sort of delay.

As of October 2026, there are 67 flights per day flying from Incheon Intl Airport to Osaka Kansai Intl Airport. The most common time of day flights depart is 3:00PM, with 36% of flights taking off at noon.

The number of flights available between Incheon Intl Airport and Osaka Kansai Intl Airport is 473 per week as of October 2026. The most frequent departure day is Wed, with 15% of weekly flights leaving on this day.