Cheap Flights from Seoul to Kumamoto from $222

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Flight deals from Seoul to Kumamoto Airport

Looking for a cheap last-minute deal or the best return flight from Seoul to Kumamoto Airport? If you want to travel next month, return fares start from $270. Find the lowest prices on one-way and return tickets right here.

Kumamoto.$222 per passenger.Departing Tue, 23 Jun, returning Thu, 25 Jun.Return flight with T'way Air.Outbound direct flight with T'way Air departs from Incheon International on Tue, 23 Jun, arriving in Kumamoto.Inbound direct flight with T'way Air departs from Kumamoto on Thu, 25 Jun, arriving in Incheon International.Price includes taxes and charges.From $222, select.

Kumamoto.$234 per passenger.Departing Tue, 14 Jul, returning Tue, 21 Jul.Return flight with T'way Air.Outbound direct flight with T'way Air departs from Incheon International on Tue, 14 Jul, arriving in Kumamoto.Inbound direct flight with T'way Air departs from Kumamoto on Tue, 21 Jul, arriving in Incheon International.Price includes taxes and charges.From $234, select.

Kumamoto.$237 per passenger.Departing Tue, 25 Aug, returning Thu, 27 Aug.Return flight with Korean Air.Outbound direct flight with Korean Air departs from Incheon International on Tue, 25 Aug, arriving in Kumamoto.Inbound direct flight with Korean Air departs from Kumamoto on Thu, 27 Aug, arriving in Incheon International.Price includes taxes and charges.From $237, select.

Kumamoto.$244 per passenger.Departing Tue, 30 Jun, returning Thu, 2 Jul.Return flight with T'way Air.Outbound direct flight with T'way Air departs from Incheon International on Tue, 30 Jun, arriving in Kumamoto.Inbound direct flight with T'way Air departs from Kumamoto on Thu, 2 Jul, arriving in Incheon International.Price includes taxes and charges.From $244, select.

Kumamoto.$270 per passenger.Departing Tue, 7 Apr, returning Wed, 8 Apr.Return flight with Korean Air.Outbound direct flight with Korean Air departs from Incheon International on Tue, 7 Apr, arriving in Kumamoto.Inbound direct flight with Korean Air departs from Kumamoto on Wed, 8 Apr, arriving in Incheon International.Price includes taxes and charges.From $270, select.

Kumamoto.$275 per passenger.Departing Tue, 17 Mar, returning Wed, 18 Mar.Return flight with T'way Air.Outbound direct flight with T'way Air departs from Incheon International on Tue, 17 Mar, arriving in Kumamoto.Inbound direct flight with T'way Air departs from Kumamoto on Wed, 18 Mar, arriving in Incheon International.Price includes taxes and charges.From $275, select.

Kumamoto.$281 per passenger.Departing Tue, 26 May, returning Thu, 28 May.Return flight with T'way Air.Outbound direct flight with T'way Air departs from Incheon International on Tue, 26 May, arriving in Kumamoto.Inbound direct flight with T'way Air departs from Kumamoto on Thu, 28 May, arriving in Incheon International.Price includes taxes and charges.From $281, select.

Kumamoto.$284 per passenger.Departing Mon, 25 May, returning Thu, 4 Jun.Return flight with T'way Air.Outbound direct flight with T'way Air departs from Incheon International on Mon, 25 May, arriving in Kumamoto.Inbound direct flight with T'way Air departs from Kumamoto on Thu, 4 Jun, arriving in Incheon International.Price includes taxes and charges.From $284, select.

Kumamoto.$285 per passenger.Departing Wed, 2 Sep, returning Fri, 4 Sep.Return flight with Korean Air.Outbound direct flight with Korean Air departs from Incheon International on Wed, 2 Sep, arriving in Kumamoto.Inbound direct flight with Korean Air departs from Kumamoto on Fri, 4 Sep, arriving in Incheon International.Price includes taxes and charges.From $285, select.

Kumamoto.$285 per passenger.Departing Sun, 30 Aug, returning Wed, 2 Sep.Return flight with Korean Air.Outbound direct flight with Korean Air departs from Incheon International on Sun, 30 Aug, arriving in Kumamoto.Inbound direct flight with Korean Air departs from Kumamoto on Wed, 2 Sep, arriving in Incheon International.Price includes taxes and charges.From $285, select.

Kumamoto.$297 per passenger.Departing Tue, 28 Apr, returning Fri, 8 May.Return flight with Korean Air.Outbound direct flight with Korean Air departs from Incheon International on Tue, 28 Apr, arriving in Kumamoto.Inbound direct flight with Korean Air departs from Kumamoto on Fri, 8 May, arriving in Incheon International.Price includes taxes and charges.From $297, select.

Kumamoto.$313 per passenger.Departing Sun, 11 Oct, returning Tue, 13 Oct.Return flight with T'way Air.Outbound direct flight with T'way Air departs from Incheon International on Sun, 11 Oct, arriving in Kumamoto.Inbound direct flight with T'way Air departs from Kumamoto on Tue, 13 Oct, arriving in Incheon International.Price includes taxes and charges.From $313, select.

Kumamoto.$315 per passenger.Departing Mon, 30 Mar, returning Wed, 8 Apr.Return flight with Korean Air.Outbound direct flight with Korean Air departs from Incheon International on Mon, 30 Mar, arriving in Kumamoto.Inbound direct flight with Korean Air departs from Kumamoto on Wed, 8 Apr, arriving in Incheon International.Price includes taxes and charges.From $315, select.

Kumamoto.$325 per passenger.Departing Tue, 30 Jun, returning Sun, 30 Aug.Return flight with Korean Air.Outbound direct flight with Korean Air departs from Incheon International on Tue, 30 Jun, arriving in Kumamoto.Inbound direct flight with Korean Air departs from Kumamoto on Sun, 30 Aug, arriving in Incheon International.Price includes taxes and charges.From $325, select.

Kumamoto.$328 per passenger.Departing Mon, 27 Jul, returning Fri, 7 Aug.Return flight with T'way Air.Outbound direct flight with T'way Air departs from Incheon International on Mon, 27 Jul, arriving in Kumamoto.Inbound direct flight with T'way Air departs from Kumamoto on Fri, 7 Aug, arriving in Incheon International.Price includes taxes and charges.From $328, select.

Kumamoto.$332 per passenger.Departing Tue, 29 Sep, returning Tue, 6 Oct.Return flight with T'way Air.Outbound direct flight with T'way Air departs from Incheon International on Tue, 29 Sep, arriving in Kumamoto.Inbound direct flight with T'way Air departs from Kumamoto on Tue, 6 Oct, arriving in Incheon International.Price includes taxes and charges.From $332, select.

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 June.

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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 found	$222
Cheapest month to fly	June
Average flight time	1 hr, 31 mins
Most popular airline	Delta
Average flights per week	44

Check out these Kumamoto hotels

Ready to plan your stay? Other travellers rate these Kumamoto hotels for cleanliness, service and location.

Natural Hot Spring Higo no Yu Onyado Nono Kumamoto

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$153

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YOUR Room Treehouse Kumamoto

2.74 km from city centre

$382

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The Blossom Kumamoto

2.32 km from city centre

$263

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Natural Hot Spring Higo no Yu Onyado Nono Kumamoto

1.05 km from city centre

$153

Per night

YOUR Room Treehouse Kumamoto

2.74 km from city centre

$382

Per night

The Blossom Kumamoto

2.32 km from city centre

$263

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Finding cheap flights from Seoul to Kumamoto: Frequently asked questions

How much are return flights from Seoul to Kumamoto?

The best price we found for a return flight from Seoul to Kumamoto is $222. 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.

How long does it take to fly from Seoul to Kumamoto?

1 hour and 31 minutes is the average flight time from Seoul to Kumamoto.

Which airlines fly direct from Seoul to Kumamoto?

Delta, T'way Air and Korean Air fly direct from Seoul to Kumamoto.

How many flights are there a week from Seoul to Kumamoto?

As of March 2026, there are 66 flights per week flying from Seoul to Kumamoto.

When is the cheapest time to fly from Seoul to Kumamoto?

The cheapest month to fly from Seoul to Kumamoto is usually June.

Which upcoming date is cheapest to fly from Seoul to Kumamoto Airport on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seoul to Kumamoto Airport on Tuesday, 23 June 2026.

Can I get a direct flight from Seoul to Kumamoto Airport?

Yes – the average flight time is 1 hour and 31 minutes.

How can I find the best flight deal to Kumamoto?

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.

When is the best time to book flights to Kumamoto?

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.

Which is the cheapest airline to fly from Seoul to Kumamoto with?

The cheapest airline that flies to Kumamoto is T'way Air .

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

Seoul's main base, Seoul Incheon International Airport (ICN), is where many great holidays begin. Explore the options for leaving from here when booking your flight from Seoul to Kumamoto Airport (KMJ).
Expect to be travelling for 1 hour 30 minutes. That's 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.
The most popular route is from Seoul Incheon International Airport (ICN) to Kumamoto Airport (KMJ), with 11 direct services every week. If you're ready to head out sooner, the earliest flight from ICN to KMJ is the 7:50am T'Way Air option. If you're looking to take off later, the last departure is at 4:50pm with Korean Air.
Arrive at the airport on time so you don't miss your flight from Seoul to KMJ. Be there at least two hours ahead for international flights and an hour early for domestic departures to skip the mad dash to your gate.
Head to the airport even earlier during popular months like January. Aim for two hours before a domestic departure and up to four hours for international journeys. After checking in, you can use any extra time to relax or go over your itinerary.

Airports in Seoul

Seoul Incheon International Airport (ICN)

You can take a direct flight from Seoul to Kumamoto Airport (KMJ) leaving from Seoul Incheon International Airport (ICN).
Well-known airlines that operate direct flights from Seoul to Kumamoto Airport out of ICN include:
T'way Air is the most frequently booked airline offering flights from ICN to KMJ.
Korean Air ranks as the leading on-time carrier on this route, with 92.73% of services arriving on schedule.
Located around 48 kilometres from central Seoul, ICN can be reached in about 1 hour 5 minutes by car, depending on traffic. The journey on public transport is roughly 50 minutes.
Want a hassle-free start to your trip? Stay near Seoul Incheon International Airport. Whether you're catching an early flight from Seoul to Kumamoto Airport or just don't want to be rushed, these hotels are the answer:
74% of flights taking off from Seoul Incheon International Airport arrive at their destination on time.

Seoul Gimpo International Airport (GMP)

Consider adding a stopover to your journey at Tokyo Haneda International Airport (HND). It's a popular transfer point for flights from Seoul to Kumamoto Airport (KMJ) departing Seoul Gimpo International Airport.
On public transport, you can travel from central Seoul to GMP in about 35 minutes. The terminal is roughly 16 kilometres away, and getting there by car will take approximately 30 minutes.
Catching an early morning flight? Think about checking in to one of these accommodation options near Seoul Gimpo International Airport the day before your Seoul to KMJ flight:
Seoul Gimpo International Airport has a reputation for reliability and timeliness. 80% of flights departing here arrive right when they're supposed to.

About Kumamoto Airport (KMJ)

Consider staying in a hotel near KMJ if you have a late flight from Seoul to Kumamoto Airport. Select one of these options and get some sleep sooner:
Secure the lowest price by reserving your ride around four weeks before your Seoul to Kumamoto Airport flight.
You'll find KMJ at 1801 Oyatsu, Mashiki.

Getting from Kumamoto Airport (KMJ) to central Kumamoto

Kumamoto Airport is roughly 14 kilometres from central Kumamoto. How long it'll take to get there by taxi or car hire depends on the time of day. Do a little research beforehand.
Travelling by public transport will take you roughly 40 minutes.

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 $108. For a return flight on this route, the best price is $222. Depending on how early you book and the availability, these fares may change.
Score cheap flights from Seoul to KMJ by booking 11 months ahead. According to our research, that's the sweet spot for bagging a bargain.
April is when you're most likely to find a good deal on a Seoul to Kumamoto Airport ticket. If you're looking to travel during a different time of year, the 'Whole month' tool will give you the lowest prices across every month.
Stay on top of deals for plane tickets from Seoul to KMJ by setting up a Price Alert. We'll send you an email or notification through the app when a lower fare pops up.
Find the best deal on a flight from Seoul to Kumamoto Airport with the help of the filters. Pick your ideal departure and arrival times, airlines and number of stops. You can also sort your results by 'Fastest,' 'Best' or 'Cheapest.'

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

December is the quietest month for flights from Seoul to Kumamoto Airport (KMJ), while January is the busiest. Choose the ideal time to visit Kumamoto based on whether you prefer a bustling atmosphere or a more laid-back vibe.
When booking your Seoul to KMJ plane ticket, consider the type of weather you enjoy. August is the warmest month in Kumamoto, with temperatures ranging from 21ºC to 34ºC.
Search for cheap tickets from Seoul to Kumamoto Airport in January if you'd rather travel when it's cooler. Temperatures are at their lowest then, ranging between 0ºC and 12ºC.

More about Kumamoto

Start your Kumamoto trip right by choosing the ideal place to stay. Once you've booked your flight from Seoul to Kumamoto Airport, check out our range of accommodation options including:
Kumamoto Castle and Sakura Park are just the start of the top attractions to put on your Kumamoto must-do list. Keep the adventure rolling by checking out Suizenji Koen.

Explore more of Japan

You've visited Kumamoto, now it's time to discover more of Japan. Travel around 153 kilometres north to Shimonoseki to tick off its popular sights. From Itsukushima Shrine to Jinjoji and Tokusen no Taki Fall, you'll have a packed itinerary ahead.
Around 161 kilometres south of Kumamoto, Kanoya is another essential stop in Japan. No visit is complete without checking out Kanoya Rose Garden, Kanoya Air Base Museum and Mt. Takakuma Range.