₩71,330 Cheap Flights from Kumamoto (KMJ) to Seoul (ICN)

View ₩71,330 flight on Fri, Oct 3, 2025Opens in a new window

Popular airlines from Kumamoto Airport (KMJ) to Incheon Intl. Airport (ICN)

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Cheap Flights from Kumamoto to Seoul (KMJ-ICN)

Prices were available within the past 7 days and start at ₩71,330 for one-way flights and ₩156,350 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

T'way Air with baggage
Thu, Sep 18 - Sun, Sep 21
KMJ
Kumamoto
ICN
Seoul
₩156,350 Roundtrip, found 8 hours ago
₩156,350
Roundtrip
found 8 hours ago
Select T'way Air with baggage flight, departing Thu, Sep 18 from Kumamoto to Seoul, returning Sun, Sep 21, priced at ₩156,350 found 8 hours ago
T'way Air with baggage
Mon, Sep 15 - Sun, Sep 21
KMJ
Kumamoto
ICN
Seoul
₩162,210 Roundtrip, found 2 days ago
₩162,210
Roundtrip
found 2 days ago
Select T'way Air with baggage flight, departing Mon, Sep 15 from Kumamoto to Seoul, returning Sun, Sep 21, priced at ₩162,210 found 2 days ago
T'way Air with baggage
Tue, Sep 23 - Sat, Sep 27
KMJ
Kumamoto
ICN
Seoul
₩200,490 Roundtrip, found 3 days ago
₩200,490
Roundtrip
found 3 days ago
Select T'way Air with baggage flight, departing Tue, Sep 23 from Kumamoto to Seoul, returning Sat, Sep 27, priced at ₩200,490 found 3 days ago
T'way Air with baggage
Thu, Dec 18 - Mon, Dec 22
KMJ
Kumamoto
ICN
Seoul
₩208,230 Roundtrip, found 3 days ago
₩208,230
Roundtrip
found 3 days ago
Select T'way Air with baggage flight, departing Thu, Dec 18 from Kumamoto to Seoul, returning Mon, Dec 22, priced at ₩208,230 found 3 days ago
Asiana Airlines
Thu, Sep 18 - Sun, Sep 21
KMJ
Kumamoto
ICN
Seoul
₩236,200 Roundtrip, found 8 hours ago
₩236,200
Roundtrip
found 8 hours ago
Select Asiana Airlines flight, departing Thu, Sep 18 from Kumamoto to Seoul, returning Sun, Sep 21, priced at ₩236,200 found 8 hours ago
T'way Air with baggage
Wed, Nov 12 - Sat, Nov 15
KMJ
Kumamoto
ICN
Seoul
₩242,270 Roundtrip, found 3 days ago
₩242,270
Roundtrip
found 3 days ago
Select T'way Air with baggage flight, departing Wed, Nov 12 from Kumamoto to Seoul, returning Sat, Nov 15, priced at ₩242,270 found 3 days ago
T'way Air with baggage
Tue, Sep 23 - Sat, Sep 27
KMJ
Kumamoto
ICN
Seoul
₩243,270 Roundtrip, found 3 days ago
₩243,270
Roundtrip
found 3 days ago
Select T'way Air with baggage flight, departing Tue, Sep 23 from Kumamoto to Seoul, returning Sat, Sep 27, priced at ₩243,270 found 3 days ago
T'Way Air
Wed, Dec 24 - Tue, Dec 30
KMJ
Kumamoto
ICN
Seoul
₩292,400 Roundtrip, found 1 day ago
₩292,400
Roundtrip
found 1 day ago
Select T'Way Air flight, departing Wed, Dec 24 from Kumamoto to Seoul, returning Tue, Dec 30, priced at ₩292,400 found 1 day ago
Korean Air
Wed, Dec 24 - Sun, Dec 28
KMJ
Kumamoto
ICN
Seoul
₩294,100 Roundtrip, found 1 day ago
₩294,100
Roundtrip
found 1 day ago
Select Korean Air flight, departing Wed, Dec 24 from Kumamoto to Seoul, returning Sun, Dec 28, priced at ₩294,100 found 1 day ago
China Airlines
Thu, Sep 18 - Sun, Sep 21
KMJ
Kumamoto
ICN
Seoul
₩1,229,000 Roundtrip, found 8 hours ago
₩1,229,000
Roundtrip
found 8 hours ago
Select China Airlines flight, departing Thu, Sep 18 from Kumamoto to Seoul, returning Sun, Sep 21, priced at ₩1,229,000 found 8 hours ago

Find the cheapest month to fly from Kumamoto (KMJ) to Seoul (ICN)

July is typically the cheapest month to fly

From ₩157,997 - ₩357,745 per traveler.
Flights from Kumamoto (KMJ) to Seoul (ICN)
Origin airport
Kumamoto
Destination airport
Incheon Intl.
Airlines serving
All Nippon Airways, Asiana Airlines, China Airlines, Japan Airlines, Korean Air, T'Way Air, T'way Air with baggage
Roundtrip price
₩156,350
Distance
648 km
Average flight time
1 hour 42 mins

Mashiki to Incheon Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Mashiki to Incheon will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Incheon.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with KMJ to ICN flights that won’t make your bank account wince. Ready to temporarily leave behind Mashiki for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to ICN with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

Frequently asked questions

How much is a flight from Aso Kumamoto Airport to Incheon Airport?
If you're planning on traveling between Kumamoto Airport (KMJ) and Incheon Intl. Airport (ICN), round-trip journeys start from ₩156,350. This price is based on airfares advertised within the last 7 days on Expedia for flights departing within the next year, so don't delay. Book today and save yourself money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from KMJ to Incheon Airport?
This varies between airlines, as each one has its own terms and conditions. Visit the Customer Service Portal, where you'll find simple instructions on how to cancel online.
How do I find cheap flights from Kumamoto Airport (KMJ) to Incheon Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Aso Kumamoto Airport to ICN flights, you'll see a "no change fees" filter for you to select.
How far is the flight from KMJ to Incheon Airport?
That movie you've been desperate to see will have to wait — the flight distance between Kumamoto Airport (KMJ) (KMJ) and Seoul–Incheon Intl. Airport (ICN) is only 650 kilometers. The captain will be instructing you to put your seat upright for landing before you know it.
Which airlines fly direct from Kumamoto Airport (KMJ) to ICN?
You won't find any airlines operating directly between Aso Kumamoto Airport and Incheon Intl. Airport (ICN), so be ready to make at least one stop on your journey. A layover, whether short or long, can be a nice way to break up a trip!
Are Aso Kumamoto Airport to ICN flight tickets cheaper when they're purchased at the last minute?
Last-minute planners can sometimes score a bargain, with some of the cheapest fares from KMJ to Incheon Airport showing up a few weeks before the departure date. If you'd rather plan ahead of time, Expedia compares and updates the best flight deals continuously — as early as a year in advance in some cases. It does depend on the carrier though, as not every airline advertises prices so far in advance.

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