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Cheap Flights from Incheon International to Kumamoto

Compare Incheon International to Kumamoto flight deals

Find the cheapest month or even day of the year to fly to Kumamoto

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Flight deals from Incheon International to Kumamoto

Looking for a cheap last-minute deal or the best return flight from Incheon International Airport to Kumamoto Airport? If you want to travel next month, return fares start from Rs52,331. Find the lowest prices on one-way and return tickets right here.
Kumamoto.Rs23,067 per passenger.Departing Tue, 18 Aug.One-way flight with T'way Air.Outbound direct flight with T'way Air departs from Incheon International on Tue, 18 Aug, arriving in Kumamoto.Price includes taxes and charges.From Rs23,067, select.
Kumamoto.Rs27,876 per passenger.Departing Mon, 28 Sep.One-way flight with Korean Air.Outbound direct flight with Korean Air departs from Incheon International on Mon, 28 Sep, arriving in Kumamoto.Price includes taxes and charges.From Rs27,876, select.
Kumamoto.Rs28,053 per passenger.Departing Sun, 1 Nov.One-way flight with T'way Air.Outbound direct flight with T'way Air departs from Incheon International on Sun, 1 Nov, arriving in Kumamoto.Price includes taxes and charges.From Rs28,053, select.
Kumamoto.Rs30,164 per passenger.Departing Sun, 6 Dec.One-way flight with T'way Air.Outbound direct flight with T'way Air departs from Incheon International on Sun, 6 Dec, arriving in Kumamoto.Price includes taxes and charges.From Rs30,164, select.
Kumamoto.Rs30,250 per passenger.Departing Tue, 6 Oct.One-way flight with T'way Air.Outbound direct flight with T'way Air departs from Incheon International on Tue, 6 Oct, arriving in Kumamoto.Price includes taxes and charges.From Rs30,250, select.
Kumamoto.Rs30,431 per passenger.Departing Tue, 28 Jul.One-way flight with Korean Air.Outbound direct flight with Korean Air departs from Incheon International on Tue, 28 Jul, arriving in Kumamoto.Price includes taxes and charges.From Rs30,431, select.
Kumamoto.Rs32,650 per passenger.Departing Wed, 10 Mar.One-way flight with T'way Air.Outbound direct flight with T'way Air departs from Incheon International on Wed, 10 Mar, arriving in Kumamoto.Price includes taxes and charges.From Rs32,650, select.
Kumamoto.Rs33,664 per passenger.Departing Tue, 26 Jan.One-way flight with T'way Air.Outbound direct flight with T'way Air departs from Incheon International on Tue, 26 Jan, arriving in Kumamoto.Price includes taxes and charges.From Rs33,664, select.
Kumamoto.Rs33,702 per passenger.Departing Mon, 1 Feb.One-way flight with T'way Air.Outbound direct flight with T'way Air departs from Incheon International on Mon, 1 Feb, arriving in Kumamoto.Price includes taxes and charges.From Rs33,702, select.
Kumamoto.Rs76,394 per passenger.Departing Thu, 3 Jun.One-way flight with Korean Air.Outbound indirect flight with Korean Air, departs from Incheon International on Thu, 3 Jun, arriving in Kumamoto.Price includes taxes and charges.From Rs76,394, select.

Find the cheapest month to fly from Incheon International to Kumamoto

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Incheon International to Kumamoto flights are currently cheapest in August.
Jul
from Rs30,431
Aug
from Rs23,067
Sep
from Rs27,876
Oct
from Rs30,250
Nov
from Rs28,053
Dec
from Rs30,164
Jan
from Rs33,664
Feb
from Rs33,702
Mar
from Rs32,650
Apr
Find prices
May
Find prices
Jun
from Rs76,394

Direct flights from Incheon International to Kumamoto

Incheon International to Kumamoto: Alternative routes

Compare routes from Incheon International to Kumamoto below. You may find an airport to fly into that's cheaper, faster, or easier than Kumamoto.

Kumamoto

14km from central Kumamoto
Closest
from Rs23,067
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Saga

53km from central Kumamoto
from Rs13,126
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Amakusa

62km from central Kumamoto
from Rs49,085
Search flights

Nagasaki

74km from central Kumamoto
from Rs21,552
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Fukuoka

89km from central Kumamoto
Cheapest
from Rs12,115
Search flights

Seoul to Kumamoto: Flight information

The things to know before you go.
Cheapest flight foundRs23,067
Cheapest month to flyAugust
Average flight time1 hr, 31 mins
Most popular airlineT'way Air
Average flights per week13

Finding cheap flights from Incheon International to Kumamoto: Frequently asked questions

The best price we found for a return flight from Incheon International to Kumamoto is Rs51,380. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
1 hour and 31 minutes is the average flight time from Incheon International to Kumamoto.
T'way Air, Delta and Japan Airlines fly direct from Incheon International to Kumamoto.
As of July 2026, there are 13 flights per week flying from Incheon International to Kumamoto.
The cheapest month to fly from Incheon International to Kumamoto is usually August.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Incheon International Airport to Kumamoto Airport on Tuesday, 18 August 2026.
Yes – the average flight time is 1 hour and 31 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Kumamoto but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Kumamoto is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, T'way Air offers the cheapest flight tickets to Kumamoto.

Travelling from Incheon International Airport (ICN) to Kumamoto Airport (KMJ): what you need to know

  • Around 1 hour 30 minutes is how long you can expect to be in the air on a direct flight from Incheon International Airport to Kumamoto Airport.

  • Kumamoto's timezone is UTC+9, which is the same as Seoul.

  • Choose from 11 weekly Incheon International Airport to Kumamoto Airport flights. The 07:50 departure with T'Way Air is the earliest available. Korean Air operates the last service of the day at 16:50.

  • To ensure you get on your ICN to KMJ flight, leave enough time to check in and drop off your luggage. Turning up two hours ahead of international departures and one hour before domestic flights is the standard rule.

  • Be prepared for bigger queues in popular months like August. Arriving up to four hours in advance for an international flight and two hours for a domestic departure is a wise move.

  • A range of airlines offer direct flights from Incheon International Airport to Kumamoto Airport, so jetting to Kumamoto (and then visiting more of Japan!) is easy. Leading carriers that fly nonstop include:

  • The majority of travellers choose to travel with T'way Air on this route.

  • Korean Air ranks as the leading on-time carrier for ICN to KMJ flights, with 92.73% of services reaching their destination on schedule.

  • Think about adding a stopover when booking your ticket from Incheon International Airport to Kumamoto Airport. Just uncheck 'Direct flights only' to break up your trip, or perhaps see a new city along the way. Check out these options between ICN and KMJ:

    • Tokyo Haneda Airport

    • Hong Kong Intl Airport

    • Taipei Taiwan Taoyuan Airport

Handy information about Incheon International Airport (ICN)

  • 74% of flights that leave from Incheon International Airport land at their destination on time.

  • To reach Incheon International Airport from central Seoul, it takes around 1 hour 5 minutes if you're travelling by car. Of course, this depends on traffic conditions. It's approximately 48 kilometres from the airport to the city centre.

  • You can expect a trip time of roughly 50 minutes on public transport.

  • Need a convenient hotel near ICN? If you've booked an early flight from Incheon International Airport to Kumamoto Airport, these stays will put you moments from your departure lounge:

Arriving at Kumamoto Airport (KMJ)

When to fly to Kumamoto Airport (KMJ)

  • It's time to pick your trip dates for your flight from Incheon International Airport to Kumamoto Airport. April is the most popular month to visit Kumamoto. If you like a more laid-back vibe, go in March.

  • Before locking in your flight from Incheon International Airport to Kumamoto Airport, think about the kind of weather you enjoy. August is the warmest month in Kumamoto, with the temperature ranging from 21ºC to 34ºC.

  • If you'd rather travel in cooler conditions, search for a cheap ticket from ICN to KMJ in January. Temperatures average between 0ºC and 12ºC then.

Explore more of Japan

  • You've visited Kumamoto, now it's time to explore more of Japan. Journey about 499 kilometres north-east to Osaka to tick off its top attractions. From Dotonbori to Osaka Castle and Universal Studios Japan, there's plenty to keep you on the go.

Plan the rest of your trip from Seoul to Kumamoto

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.