Cheap flights from Osaka to Seoul from C$ 130

The cheapest month to fly to Seoul from Osaka is in July. Flight prices, which tend to average around C$ 193, are often lower during this time because this is during the off-season. If you’re not able to fly to Seoul in July, then August is your next best option. Flight prices from Osaka to Seoul during August average around C$ 200.

Our data shows that Monday is the least expensive day to fly to Seoul. Tickets to fly out on this day can be as low as C$ 159. The most expensive day to fly to Seoul is Sunday, with ticket prices averaging around C$ 1,010.

The cheapest time of day to fly to Seoul is in the evening when flights can be purchased for as low as C$ 159. In the afternoon is when there is more demand to fly to Seoul, so prices are often more expensive at around C$ 323 per ticket.

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

You are more likely to see cheaper flights to Seoul from Osaka when booking weeks ahead of your departure date. In general, you can expect to find flights to Seoul for around C$ 244 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seoul from Osaka for as low as C$ 193 on momondo.

There are 2 cabin classes available to choose from on Osaka to Seoul 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 5% 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 95 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the evening 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, Peach has had the least delays on this route over the last 12 months, with about 3% of their flights experiencing any sort of delay.

The number of flights available between Osaka and Seoul is 71 per day as of March 2026. The most frequent departure time is 11:00a.m., with 42% of daily flights leaving at noon.

As of March 2026, there are 497 flights per week flying from Osaka to Seoul. The most common day of the week flights depart is Fri, with 15% of flights taking off on this day.