Cheap flights from Osaka Kansai Intl Airport to Busan from $82

The cheapest month to fly to Busan from Osaka Kansai Intl Airport is in July. Flight prices, which tend to average around $129, are often lower during this time because this is during the off-season. If you aren’t able to travel to Busan during the month of July, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $160.

Our data shows that Sunday is the least expensive day to fly to Busan. Tickets to fly out on this day can be as low as $117. Flights from Osaka Kansai Intl Airport to Busan on a Wednesday will generally be more expensive and average around $239. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

In the morning is the cheapest time of day to fly from Osaka Kansai Intl Airport to Busan when you can find flight prices for as low as $198. Flying to Busan in the morning is an ideal time because this is during off-peak travel hours. At noon is when there is more demand to fly to Busan, so prices are often more expensive at around $228 per ticket.

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

You are more likely to see cheaper flights to Busan from Osaka Kansai Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Busan for around $182 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Busan from Osaka Kansai Intl Airport for as low as $158 on momondo.

Historically, on average around 11% of flights between Osaka and Busan have experienced a delay on any given week. The average delay length over the past 12 months has been 87 minutes.

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

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

According to our data, Eastar Jet have had the least number of delays on this route over the last 12 months; with about 5% of their flights experiencing any sort of delay.

As of May 2026, 17 flights take off from Osaka Kansai Intl Airport and land in Busan each day. The most common flight departure time for this route is 10:00AM, with 37% of daily flights taking off in the afternoon.

The number of flights available between Osaka Kansai Intl Airport and Busan is 120 per week as of May 2026. The most frequent departure day is Wed, with 17% of weekly flights leaving on this day.