Skyscanner home

139 € Cheap Flights from Kumamoto to Incheon International

Compare Kumamoto to Incheon International flight deals

Find the cheapest month or even day of the year to fly to Incheon International

Book the best Incheon International fare with no extra fees

Flight deals from Kumamoto Airport to Incheon International Airport

Looking for a cheap last-minute deal or the best return flight from Kumamoto Airport to Incheon International Airport? If you want to travel next month, return fares start from 167 €. Find the lowest prices on one-way and return tickets right here.
Seoul.139 € per passenger.Departing Thu, 4 Jun, returning Tue, 9 Jun.Return flight with T'way Air.Outbound direct flight with T'way Air departs from Kumamoto on Thu, 4 Jun, arriving in Incheon International.Inbound direct flight with T'way Air departs from Incheon International on Tue, 9 Jun, arriving in Kumamoto.Price includes taxes and charges.From 139 €, select.
Seoul.145 € per passenger.Departing Thu, 7 May, returning Sun, 10 May.Return flight with T'way Air.Outbound direct flight with T'way Air departs from Kumamoto on Thu, 7 May, arriving in Incheon International.Inbound direct flight with T'way Air departs from Incheon International on Sun, 10 May, arriving in Kumamoto.Price includes taxes and charges.From 145 €, select.
Seoul.146 € per passenger.Departing Thu, 2 Jul, returning Thu, 9 Jul.Return flight with T'way Air.Outbound direct flight with T'way Air departs from Kumamoto on Thu, 2 Jul, arriving in Incheon International.Inbound direct flight with T'way Air departs from Incheon International on Thu, 9 Jul, arriving in Kumamoto.Price includes taxes and charges.From 146 €, select.
Seoul.156 € per passenger.Departing Thu, 28 May, returning Mon, 1 Jun.Return flight with T'way Air.Outbound direct flight with T'way Air departs from Kumamoto on Thu, 28 May, arriving in Incheon International.Inbound direct flight with T'way Air departs from Incheon International on Mon, 1 Jun, arriving in Kumamoto.Price includes taxes and charges.From 156 €, select.
Seoul.167 € per passenger.Departing Sun, 15 Feb, returning Tue, 17 Feb.Return flight with T'way Air.Outbound direct flight with T'way Air departs from Kumamoto on Sun, 15 Feb, arriving in Incheon International.Inbound direct flight with T'way Air departs from Incheon International on Tue, 17 Feb, arriving in Kumamoto.Price includes taxes and charges.From 167 €, select.
Seoul.168 € per passenger.Departing Tue, 30 Jun, returning Fri, 3 Jul.Return flight with T'way Air.Outbound direct flight with T'way Air departs from Kumamoto on Tue, 30 Jun, arriving in Incheon International.Inbound direct flight with T'way Air departs from Incheon International on Fri, 3 Jul, arriving in Kumamoto.Price includes taxes and charges.From 168 €, select.
Seoul.172 € per passenger.Departing Tue, 7 Apr, returning Tue, 14 Apr.Return flight with Korean Air.Outbound direct flight with Korean Air departs from Kumamoto on Tue, 7 Apr, arriving in Incheon International.Inbound direct flight with Korean Air departs from Incheon International on Tue, 14 Apr, arriving in Kumamoto.Price includes taxes and charges.From 172 €, select.
Seoul.173 € per passenger.Departing Tue, 28 Apr, returning Tue, 5 May.Return flight with T'way Air.Outbound direct flight with T'way Air departs from Kumamoto on Tue, 28 Apr, arriving in Incheon International.Inbound direct flight with T'way Air departs from Incheon International on Tue, 5 May, arriving in Kumamoto.Price includes taxes and charges.From 173 €, select.
Seoul.184 € per passenger.Departing Thu, 6 Aug, returning Sun, 9 Aug.Return flight with T'way Air.Outbound direct flight with T'way Air departs from Kumamoto on Thu, 6 Aug, arriving in Incheon International.Inbound direct flight with T'way Air departs from Incheon International on Sun, 9 Aug, arriving in Kumamoto.Price includes taxes and charges.From 184 €, select.
Seoul.184 € per passenger.Departing Tue, 2 Jun, returning Fri, 7 Aug.Return flight with T'way Air.Outbound direct flight with T'way Air departs from Kumamoto on Tue, 2 Jun, arriving in Incheon International.Inbound direct flight with T'way Air departs from Incheon International on Fri, 7 Aug, arriving in Kumamoto.Price includes taxes and charges.From 184 €, select.
Seoul.206 € per passenger.Departing Wed, 11 Mar, returning Tue, 17 Mar.Return flight with T'way Air.Outbound direct flight with T'way Air departs from Kumamoto on Wed, 11 Mar, arriving in Incheon International.Inbound direct flight with T'way Air departs from Incheon International on Tue, 17 Mar, arriving in Kumamoto.Price includes taxes and charges.From 206 €, select.
Seoul.218 € per passenger.Departing Sun, 20 Sep, returning Tue, 22 Sep.Return flight with Korean Air.Outbound direct flight with Korean Air departs from Kumamoto on Sun, 20 Sep, arriving in Incheon International.Inbound direct flight with Korean Air departs from Incheon International on Tue, 22 Sep, arriving in Kumamoto.Price includes taxes and charges.From 218 €, select.
Seoul.223 € per passenger.Departing Wed, 25 Feb, returning Sun, 1 Mar.Return flight with T'way Air.Outbound direct flight with T'way Air departs from Kumamoto on Wed, 25 Feb, arriving in Incheon International.Inbound direct flight with T'way Air departs from Incheon International on Sun, 1 Mar, arriving in Kumamoto.Price includes taxes and charges.From 223 €, select.
Seoul.261 € per passenger.Departing Tue, 31 Mar, returning Sun, 5 Apr.Return flight with T'way Air.Outbound direct flight with T'way Air departs from Kumamoto on Tue, 31 Mar, arriving in Incheon International.Inbound direct flight with T'way Air departs from Incheon International on Sun, 5 Apr, arriving in Kumamoto.Price includes taxes and charges.From 261 €, select.

Find the cheapest month to fly from Kumamoto to Incheon International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Kumamoto to Incheon International flights are currently cheapest in June.
Jan
Find prices
Feb
from 167 €
Mar
from 206 €
Apr
from 172 €
May
from 145 €
Jun
from 139 €
Jul
from 146 €
Aug
from 184 €
Sep
from 218 €
Oct
from 348 €
Nov
from 1.718 €
Dec
from 1.736 €

Direct flights from Kumamoto to Incheon International

Kumamoto to Incheon International: Alternative routes

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

Gimpo International

17km from central Seoul
Closest
from 248 €
Search flights

Incheon International

48km from central Seoul
Cheapest
from 139 €
Search flights

Kumamoto to Seoul: Flight information

The things to know before you go.
Cheapest flight found139 €
Cheapest month to flyJune
Average flight time1 hr, 45 mins
Most popular airlineT'way Air
Average flights per week16

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

The best price we found for a return flight from Kumamoto to Incheon International is 139 €. 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 45 minutes is the average flight time from Kumamoto to Incheon International.
T'way Air, Delta and Korean Air fly direct from Kumamoto to Incheon International.
As of January 2026, there are 16 flights per week flying from Kumamoto to Incheon International.
The cheapest month to fly from Kumamoto to Incheon International is usually June.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Kumamoto Airport to Incheon International Airport on Thursday, 4 June 2026.
Yes – the average flight time is 1 hour and 45 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 Incheon International 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 Seoul 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 Incheon International.

How to find cheap flights to Seoul (ICN) from Kumamoto (KMJ)in 2026

Looking for cheap tickets from Kumamoto to Incheon International? Return tickets start from 139 € and one-way flights to Incheon International from Kumamoto start from 71 €


Here are a few tips on how to secure the best flight price and make your journey as smooth as possible.

  • Simply hit 'search'. From British Airways to international carriers like Emirates, we compare all major airlines along with the most popular online travel agents to find the cheapest plane tickets from Kumamoto to Incheon International. And with us there are no hidden fees - what you see is what you pay.
  • Compare flight deals to Seoul from Kumamoto from over 1,000 providers. Then choose the cheapest or fastest plane tickets. Flight tickets to Seoul start from 71 € one-way.
  • Set up a Price Alert. You can easily track the fare of your cheap Kumamoto-Incheon International flights by creating an alert. Whenever prices go down or up, you'll get an email or push notification to help make sure you get the best possible flight deal.
  • Flex your dates to find the best KMJ-ICN ticket prices. If you are flexible when it comes to your travel dates, use Skyscanner's 'Whole month' tool to find the cheapest month, and even day to fly to Incheon International from Kumamoto.
  • Fly without stops. Only interested in direct flights between Kumamoto and Incheon International? Make sure to tick 'Direct flights only' when performing a search. If there are direct flights available on the route, these will appear in the results. Airlines that fly direct include: T'way Air
    Delta
    Korean Air
  • Find the cheapest Business class flights from Kumamoto and Incheon International. We scour the internet for the best Business, Premium Economy and First Class flight fares to Seoul, too. Check the difference in price as you search – you might just chance upon a last-minute low fare. Note that not all cabin classes are available for every destination or airline.
  • Include nearby airports in your search. Widen your search for Kumamoto to Incheon International flight deals by selecting the "add nearby airports" option. This will allow you to see flight prices for all the nearest airports at your departure point and your destination and could help you save next time you travel.
  • Flexible on when you travel? The cheapest month to fly from Kumamoto to Incheon International is June.
  • Search for cheap flights regardless of where you are. To get the best flight booking experience when out and about, download the app and search for plane tickets between Kumamoto and Incheon International whenever you want.

Combine your flight to Incheon International from Kumamoto with hotels and car hire

Once you've secured your cheap flight ticket from Kumamoto to Incheon International, discover the best prices and exclusive rates for hotels in Seoul or nearby. You can also compare hundreds of car hire companies in one go so that you get the best car hire price for your trip.


Prices shown on this page are estimated lowest prices only. Found in the last 45 days.