Cheap Flights from Seoul to Kumamoto

Compare Seoul 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 Seoul to Kumamoto

Looking for a cheap last-minute deal or the best return flight from Seoul to Kumamoto? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Seoul to Kumamoto

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Seoul to Kumamoto flights are currently cheapest in January.

Direct flights from Seoul to Kumamoto

Seoul to Kumamoto: Alternative routes

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

Seoul to Kumamoto: Flight information

The things to know before you go.
Cheapest flight foundRs15,887
Cheapest month to flyJanuary
Average flight time1 hr, 33 mins
Most popular airlineT'way Air
Average flights per week15

Finding cheap flights from Seoul to Kumamoto: Frequently asked questions

The best price we found for a return flight from Seoul to Kumamoto is Rs31,114. 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 33 minutes is the average flight time from Seoul to Kumamoto.
T'way Air, Delta and Korean Air fly direct from Seoul to Kumamoto.
As of November 2025, there are 30 flights per week flying from Seoul to Kumamoto.
The cheapest month to fly from Seoul to Kumamoto is usually January.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seoul to Kumamoto Airport on Tuesday, 6 January 2026.
Yes – the average flight time is 1 hour and 33 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.
The cheapest airline that flies to Kumamoto is T'way Air .

Travelling from Seoul to Kumamoto Airport (KMJ): What you need to know

  • Get your holiday planning started by working out where you'll board your flight from Seoul to Kumamoto Airport (KMJ). Incheon International Airport (ICN) and Gimpo International Airport (GMP) are the two main airports in Seoul.

  • 1 hour 30 minutes is the average duration of a direct Seoul to Kumamoto Airport flight.

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

  • Incheon International Airport (ICN) to Kumamoto Airport (KMJ) is the most popular route, with 10 direct services every week. Get from ICN to KMJ on T'Way Air's 7:50am departure.

  • Your flight from Seoul to KMJ won't wait if you're running late, so be at the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead for international travel.

  • Heading off during a peak time like public or school holidays? Expect longer queues at security and check-in. To be on the safe side, arrive up to four hours before international flights and two hours before domestic departures.

Airports in Seoul

Incheon International Airport (ICN)

  • Go straight to your destination from Incheon International Airport (ICN). Nonstop flights from Seoul to Kumamoto Airport (KMJ) can be booked from here.

  • Well-known airlines that operate direct flights from Seoul to Kumamoto Airport out of ICN include:

  • The top choice among passengers flying between ICN and KMJ is T'Way Air.

  • From central Seoul, ICN is around 48 kilometres away. Check the official airport website or use navigation apps to find the best way to arrive at the terminal.

  • Want a relaxed start to your journey? Stay near Incheon International Airport. Whether you've booked an early flight from Seoul to Kumamoto Airport or prefer not to feel hurried, these hotels are just what you're after:

  • When it comes to Incheon International Airport's on-time performance, 54.5% of flights arrive within the scheduled time frame.

Gimpo International Airport (GMP)

  • Fit a stopover into your itinerary at Haneda Airport (HND). It's a key transfer point for flights from Seoul to Kumamoto Airport (KMJ) leaving Gimpo International Airport.

  • From central Seoul, GMP is approximately 16 kilometres away. When planning the fastest way to get there, check whether public transport is an option or if driving is more convenient.

  • Want to treat yourself to an extra night away before your Seoul to KMJ flight? Relax in a hotel near Gimpo International Airport before your holiday officially begins. These stays are calling your name:

  • 75.94% of flights leaving Gimpo International Airport arrive within the expected time frame.

About Kumamoto Airport (KMJ)

  • The last thing you want is a lengthy journey to your hotel if you're getting in late on a flight from Seoul to Kumamoto Airport. Check in to one of these accommodation options near KMJ instead:

  • Grab a Kumamoto Airport rental car and discover Kumamoto and beyond with your own wheels. Nissan Rent a Car, Budget and Avis are top outlets to choose from here.

  • Booking your ride around four weeks ahead of your Seoul to Kumamoto Airport flight can help you get a cheaper deal.

  • The street address for KMJ is 1801 Oyatsu, Mashiki.

How to find the cheapest flights from Seoul to Kumamoto Airport (KMJ)

  • The cheapest price we've found for a one-way ticket from Seoul to Kumamoto Airport is Rs15,887. For a return flight on this route, the best price is Rs31,114. Depending on when you book and the availability, these fares may change.

  • Book 11 months before you travel. Pricing trends suggest that this is the ideal window for finding cheap flights from Seoul to KMJ.

  • Schedule your trip for April. That's the best month for landing an awesome deal on Seoul to Kumamoto Airport tickets. If you're open to different travel dates, use the 'Whole month' tool to find the lowest price across every month.

  • There's no need to check back in every day to find out if prices have dropped when you set up a Price Alert. We'll let you know when a better deal is available on flight tickets from Seoul to KMJ.

  • Tailor your travel plans using filters. Choose your preferred arrival and departure times, total journey duration and airlines. You can also sort your results by 'Best,' 'Fastest' or 'Cheapest' flights from Seoul to Kumamoto Airport.

The best time to fly from Seoul to Kumamoto Airport (KMJ)

  • February is the quietest month for flights from Seoul to Kumamoto Airport (KMJ), while June is the busiest. Figure out the best time to go to Kumamoto based on whether you want a laid-back vibe or a lively atmosphere.

  • Lock in a Seoul to KMJ flight ticket departing in August if you want to experience the city during its warmest month. Expect temperatures in Kumamoto to range from 21ºC to 33ºC.

  • January has temperatures of between 0ºC and 12ºC. Look for cheap tickets from Seoul to Kumamoto Airport around that time if you like cooler conditions.

More about Kumamoto

  • After booking your flight from Seoul to Kumamoto Airport, find a hotel that keeps you close to what you want to see. Make one of these accommodation options your base for exploring Kumamoto:

  • Your Kumamoto trip wouldn't be complete without a bit of sightseeing. Leading attractions that are worth your time include Kumamoto Castle, Sakura Park and Sakura Park.

Explore more of Japan

  • You've seen Kumamoto, now it's time to explore other parts of Japan. Journey around 225 kilometres north-east to Hiroshima to tick off its leading sights. From Hiroshima National Peace Memorial Hall for the Atomic Bomb Victims to Hiroshima Peace Memorial Park and Rest House of Hiroshima Peace Park, you've got a jam-packed schedule ahead.

  • Around 137 kilometres south of Kumamoto, Kagoshima is another favourite stop in Japan. Experience major highlights starting with Mt. Sakurajima, Sakurajima and Rainbow Beach.

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