Cheap flights from Seoul to Tokyo from $166

The month of September is, on average, the cheapest month to fly to Tokyo Haneda Airport from Seoul, with most prices found around $459. If you’re not able to fly to Tokyo Haneda Airport in September, then July is your next best option. Flight prices from Seoul to Tokyo Haneda Airport during July average around $465.

The cheapest day to depart on your flight to Tokyo Haneda Airport is on a Thursday when prices can be found for as low as $393. This is often the case because there is less demand to fly during this day of the week. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Seoul to Tokyo Haneda Airport for around $581.

According to our data, the cheapest time of day to fly to Tokyo Haneda Airport is in the evening. momondo users have found flights departing from Seoul to Tokyo Haneda Airport in the evening for as low as $393. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the morning because they tend to be around $502. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from Incheon Intl to Tokyo Haneda for the best Seoul - Tokyo Haneda flight prices

You are more likely to see cheaper flights to Tokyo Haneda Airport from Seoul when booking weeks ahead of your departure date. In general, you can expect to find flights to Tokyo Haneda Airport for around $440 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Tokyo Haneda Airport from Seoul for as low as $303 on momondo.

There are 3 cabin classes available to choose from on Seoul to Tokyo Haneda 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 6% of flights between Seoul and Tokyo have experienced a delay on any given week. The average delay length over the past 12 months has been 105 minutes.

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

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

23 flights are operational daily from Seoul to Tokyo Haneda Airport as of February 2026. The most popular departure time for this route is 19:00, with 49% of flights per day taking off in the evening.

As of February 2026, there are 166 flights per week flying from Seoul to Tokyo Haneda Airport. The most common day of the week flights depart is Wed, with 16% of flights taking off on this day.