Cheap flights from Kumamoto to Seoul

One-way fares from ¥24,907 · KMJ → SEL · prices found by travellers in the last 48 hours

Cheapest fare
¥24,907

Trinity Airways · Mon, Dec 7

Cheapest month
December

from ¥24,907

Direct flights
Yes

Trinity Airways

Flight time
1h 40m

630 km

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Cheapest month to fly from Kumamoto to Seoul

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. December 2026 Cheapest ¥24,907

Cheapest dates in December 2026

The lowest fares we've seen for each day, cheapest first.

Trinity Airways
Depart10:25 Mon, Dec 7KMJ → ICN 1h 40m · Direct
¥24,907one way, per person
View deal
See every date in December 2026 →

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About flights from Kumamoto to Seoul

Kumamoto (KMJ) and Seoul (SEL) are about 630 km apart. Direct flights take around 1h 40m, and recent direct fares were with Trinity Airways. Over the next few months, one-way fares start from ¥24,907, and December 2026 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Kumamoto to Seoul?

The cheapest one-way fare we've seen recently is ¥24,907 with Trinity Airways, departing Monday, December 7, 2026.

What is the cheapest month to fly from Kumamoto to Seoul?

December 2026 currently has the lowest fares, from ¥24,907 one way.

Are there direct flights from Kumamoto to Seoul?

Yes. Recent direct fares were with Trinity Airways.

How long is the flight from Kumamoto to Seoul?

A direct flight takes about 1h 40m. Kumamoto and Seoul are around 630 km apart.

Which airlines fly from Kumamoto to Seoul?

Recent fares on this route were with Trinity Airways.

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