Cheap flights from Seoul to Kumamoto

One-way fares from $107 · SEL → KMJ · prices found by travellers in the last 48 hours

Compare all dates Kumamoto → Seoul
Cheapest fare
$107

Trinity Airways · Mon, Dec 7

Cheapest month
December

from $107

Direct flights
Yes

Trinity Airways and Korean Air

Flight time
1h 35m

630 km

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Cheapest month to fly from Seoul to Kumamoto

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

  1. December 2026 Cheapest $107

Cheapest dates in December 2026

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

Trinity Airways
Depart07:50 Mon, Dec 7ICN → KMJ 1h 35m · Direct
$107one way, per person
View deal
Korean Air
Depart16:45 Fri, Dec 4ICN → KMJ 1h 35m · Direct
$143one way, per person
View deal
Trinity Airways
Depart07:50 Sat, Dec 12ICN → KMJ 1h 35m · Direct
$145one way, per person
View deal
See every date in December 2026 →

Plan the rest of your trip to Kumamoto

Where to stay, what to do and getting around, from our travel partners.

Where to stay

Hotels in KumamotoCompare places to stay on Booking.com Find hotels →

Things to do

Things to do in KumamotoTours, attractions and day trips on Klook Explore →

Getting around

Airport transfer in KumamotoPre-book a driver to meet you at arrivals, with Kiwitaxi Book a transfer → Car hire in KumamotoCompare rental cars from major brands on EconomyBookings Compare cars →

Stay connected

eSIM for JapanMobile data from the moment you land, by Airalo Get eSIM →

About flights from Seoul to Kumamoto

Seoul (SEL) and Kumamoto (KMJ) are about 630 km apart. Direct flights take around 1h 35m, and recent direct fares were with Trinity Airways and Korean Air. Over the next few months, one-way fares start from $107, 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 Seoul to Kumamoto?

The cheapest one-way fare we've seen recently is $107 with Trinity Airways, departing Monday, December 7, 2026.

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

December 2026 currently has the lowest fares, from $107 one way.

Are there direct flights from Seoul to Kumamoto?

Yes. Recent direct fares were with Trinity Airways and Korean Air.

How long is the flight from Seoul to Kumamoto?

A direct flight takes about 1h 35m. Seoul and Kumamoto are around 630 km apart.

Which airlines fly from Seoul to Kumamoto?

Recent fares on this route were with Trinity Airways and Korean Air.

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