Cheap flights from Incheon Intl Airport to Osaka from $71

The month of September is, on average, the cheapest month to fly to Osaka from Incheon Intl Airport, with most prices found around $185. If you don’t want to visit Osaka in September, then you should wait until August to fly from Incheon Intl Airport, when ticket prices are also cheap, with an average price of $197.

Our data shows that Thursday is the least expensive day to fly to Osaka. Tickets to fly out on this day can be as low as $230. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Osaka on Sunday is $405.

The cheapest time of day to fly to Osaka is in the evening when flights can be purchased for as low as $302. Try not to purchase tickets in the morning because they tend to be around $328. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

You are more likely to see cheaper flights to Osaka from Incheon Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Osaka for around $262 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Osaka from Incheon Intl Airport for as low as $211 on momondo.

There are 2 cabin classes available to choose from on Incheon Intl Airport to Osaka flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Historically, on average around 12% 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 97 minutes.

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

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

According to our data, Air Busan have had the fewest delays on this route over the last 12 months, with about 5% of their flights experiencing any sort of delay.

58 flights are operational daily from Incheon Intl Airport to Osaka as of August 2026. The most popular departure time for this route is 15:00, with 36% of flights per day taking off at midday.

As of August 2026, there are 412 flights per week flying from Incheon Intl Airport to Osaka. The most common day of the week flights depart is Mon, with 15% of flights taking off on this day.