Cheap flights from Tokyo to Seoul from $120

The cheapest month to fly to Incheon Intl Airport from Tokyo is in June. Flight prices, which tend to average around $217, are often lower during this time because this is during the off-season. If you are unable to visit Incheon Intl Airport during the month of June, then departing from Tokyo during the month July is also very affordable. Most momondo users find prices during this month for around $219.

The cheapest day to depart from Tokyo to Incheon Intl Airport is on a Thursday when prices can be found for as low as $265. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $315. These prices are subject to change though, so be sure to set up a Price Alert for flights to Incheon Intl Airport.

In the morning is the cheapest time of day to fly from Tokyo to Incheon Intl Airport when you can find flight prices for as low as $249. Flying to Incheon Intl Airport in the morning is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $409 on average. Flights to Incheon Intl Airport from Tokyo in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

You are more likely to see cheaper flights to Incheon Intl Airport from Tokyo when booking weeks ahead of your departure date. In general, you can expect to find flights to Incheon Intl Airport for around $248 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Incheon Intl Airport from Tokyo for as low as $91 on momondo.

There are 4 cabin classes available to choose from on Tokyo to Incheon Intl Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Jeju Air, AIR PREMIA, and Korean Air are the most popular carriers operating from Tokyo to Incheon Intl

Asiana Airlines, Jin Air and Jeju Air are the top three most popular airlines that fly to Incheon Intl Airport from Tokyo according to our data. Asiana Airlines is the first choice among our users, with 31% of people opting to fly with this airline when traveling to Incheon Intl Airport. Keep in mind that there are 12 different airlines that fly to Incheon Intl Airport on a routine basis, so you have a few additional options to choose from.

Historically, on average around 12% of flights between Tokyo and Incheon have experienced a delay on any given week. The average delay length over the past 12 months has been 118 minutes.

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

Monday is statistically the day of the week which experiences the fewest number of delays on this flight route. Friday 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 5% of their flights experiencing any sort of delay.

As of October 2026, there are 73 flights per day flying from Tokyo to Incheon Intl Airport. The most common time of day flights depart is 9:00AM, with 34% of flights taking off in the afternoon.

As of October 2026, 517 flights take off from Tokyo and land in Incheon Intl Airport each week. The most common flight departure day for this route is Tue, with 16% of weekly flights taking off on this day.