$234 Cheap Flights from Kumamoto (KMJ) to Seoul (SELA) in 2026

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Flight deals from Kumamoto to Seoul

Looking for a cheap last-minute deal or the best return flight from Kumamoto Airport to Seoul? If you want to travel next month, return fares start from $247. Find the lowest prices on one-way and return tickets right here.

Seoul.$234 per passenger.Departing Tue, 23 Jun, returning Tue, 30 Jun.Return flight with T'way Air.Outbound direct flight with T'way Air departs from Kumamoto on Tue, 23 Jun, arriving in Incheon International.Inbound direct flight with T'way Air departs from Incheon International on Tue, 30 Jun, arriving in Kumamoto.Price includes taxes and charges.From $234, select.

Seoul.$247 per passenger.Departing Thu, 2 Jul, returning Sun, 5 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 Sun, 5 Jul, arriving in Kumamoto.Price includes taxes and charges.From $247, select.

Seoul.$248 per passenger.Departing Mon, 29 Jun, returning Thu, 2 Jul.Return flight with T'way Air.Outbound direct flight with T'way Air departs from Kumamoto on Mon, 29 Jun, arriving in Incheon International.Inbound direct flight with T'way Air departs from Incheon International on Thu, 2 Jul, arriving in Kumamoto.Price includes taxes and charges.From $248, select.

Seoul.$265 per passenger.Departing Thu, 18 Jun, returning Sun, 30 Aug.Return flight with T'way Air.Outbound direct flight with T'way Air departs from Kumamoto on Thu, 18 Jun, arriving in Incheon International.Inbound direct flight with T'way Air departs from Incheon International on Sun, 30 Aug, arriving in Kumamoto.Price includes taxes and charges.From $265, select.

Seoul.$276 per passenger.Departing Thu, 23 Jul, returning Tue, 18 Aug.Return flight with T'way Air.Outbound direct flight with T'way Air departs from Kumamoto on Thu, 23 Jul, arriving in Incheon International.Inbound direct flight with T'way Air departs from Incheon International on Tue, 18 Aug, arriving in Kumamoto.Price includes taxes and charges.From $276, select.

Seoul.$283 per passenger.Departing Tue, 25 Aug, returning Sat, 29 Aug.Return flight with T'way Air.Outbound direct flight with T'way Air departs from Kumamoto on Tue, 25 Aug, arriving in Incheon International.Inbound direct flight with T'way Air departs from Incheon International on Sat, 29 Aug, arriving in Kumamoto.Price includes taxes and charges.From $283, select.

Seoul.$283 per passenger.Departing Tue, 1 Sep, returning Mon, 14 Sep.Return flight with T'way Air.Outbound direct flight with T'way Air departs from Kumamoto on Tue, 1 Sep, arriving in Incheon International.Inbound direct flight with T'way Air departs from Incheon International on Mon, 14 Sep, arriving in Kumamoto.Price includes taxes and charges.From $283, select.

Seoul.$305 per passenger.Departing Fri, 14 Aug, returning Thu, 10 Sep.Return flight with T'way Air.Outbound direct flight with T'way Air departs from Kumamoto on Fri, 14 Aug, arriving in Incheon International.Inbound direct flight with T'way Air departs from Incheon International on Thu, 10 Sep, arriving in Kumamoto.Price includes taxes and charges.From $305, select.

Seoul.$323 per passenger.Departing Wed, 15 Jul, returning Mon, 21 Sep.Return flight with T'way Air.Outbound direct flight with T'way Air departs from Kumamoto on Wed, 15 Jul, arriving in Incheon International.Inbound direct flight with T'way Air departs from Incheon International on Mon, 21 Sep, arriving in Kumamoto.Price includes taxes and charges.From $323, select.

Seoul.$325 per passenger.Departing Fri, 2 Oct, returning Mon, 5 Oct.Return flight with T'way Air.Outbound direct flight with T'way Air departs from Kumamoto on Fri, 2 Oct, arriving in Incheon International.Inbound direct flight with T'way Air departs from Incheon International on Mon, 5 Oct, arriving in Kumamoto.Price includes taxes and charges.From $325, select.

Seoul.$328 per passenger.Departing Thu, 17 Sep, returning Tue, 13 Oct.Return flight with T'way Air.Outbound direct flight with T'way Air departs from Kumamoto on Thu, 17 Sep, arriving in Incheon International.Inbound direct flight with T'way Air departs from Incheon International on Tue, 13 Oct, arriving in Kumamoto.Price includes taxes and charges.From $328, select.

Seoul.$412 per passenger.Departing Wed, 26 Aug, returning Thu, 1 Oct.Return flight with T'way Air.Outbound direct flight with T'way Air departs from Kumamoto on Wed, 26 Aug, arriving in Incheon International.Inbound direct flight with T'way Air departs from Incheon International on Thu, 1 Oct, arriving in Kumamoto.Price includes taxes and charges.From $412, select.

Seoul.$414 per passenger.Departing Sat, 20 Jun, returning Wed, 24 Mar.Return flight with T'way Air and Peach.Outbound indirect flight with T'way Air, departs from Kumamoto on Sat, 20 Jun, arriving in Incheon International.Inbound indirect flight with Peach, departs from Incheon International on Wed, 24 Mar, arriving in Kumamoto.Price includes taxes and charges.From $414, select.

Seoul.$488 per passenger.Departing Wed, 12 Aug, returning Wed, 10 Mar.Return flight with Eastar Jet and Peach.Outbound indirect flight with Eastar Jet, departs from Kumamoto on Wed, 12 Aug, arriving in Gimpo International.Inbound indirect flight with Peach, departs from Incheon International on Wed, 10 Mar, arriving in Kumamoto.Price includes taxes and charges.From $488, select.

Seoul.$548 per passenger.Departing Fri, 30 Oct, returning Wed, 4 Nov.Return flight with Japan Airlines and Korean Air.Outbound indirect flight with Japan Airlines, departs from Kumamoto on Fri, 30 Oct, arriving in Gimpo International.Inbound indirect flight with Korean Air, departs from Gimpo International on Wed, 4 Nov, arriving in Kumamoto.Price includes taxes and charges.From $548, select.

Seoul.$560 per passenger.Departing Wed, 2 Dec, returning Mon, 7 Dec.Return flight with Eastar Jet and Korean Air.Outbound indirect flight with Eastar Jet, departs from Kumamoto on Wed, 2 Dec, arriving in Gimpo International.Inbound indirect flight with Korean Air, departs from Gimpo International on Mon, 7 Dec, arriving in Kumamoto.Price includes taxes and charges.From $560, select.

Find the cheapest month to fly from Kumamoto to Seoul

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

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Direct flights from Kumamoto to Seoul

Alternative Kumamoto to Seoul routes

Looking for the cheapest, fastest or easiest route from Kumamoto to Seoul? You could fly into the following airports instead.

Gimpo International

17km from central Seoul

Closest

from $324

Search flights

Incheon International

48km from central Seoul

Cheapest

from $234

Search flights

Kumamoto to Seoul: Flight information

The things to know before you go.

Cheapest flight found	$234
Cheapest month to fly	June
Average flight time	1 hr, 42 mins
Most popular airline	T'way Air
Average flights per week	38

Finding cheap flights from Kumamoto to Seoul: Frequently asked questions

How many airports are there in Seoul?

There are 2 airports in Seoul: Gimpo International and Incheon International.

How much are return flights from Kumamoto to Seoul?

The best price we found for a return flight from Kumamoto to Seoul is $234. 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 Kumamoto to Seoul?

1 hour and 42 minutes is the average flight time from Kumamoto to Seoul.

Which airlines fly direct from Kumamoto to Seoul?

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

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

As of June 2026, there are 19 flights per week flying from Kumamoto to Seoul.

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

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

Which is the cheapest airport to fly into in Seoul?

If you're flying from Kumamoto Airport, the cheapest airport near Seoul is Incheon International – which is 47.8 km away from the centre of Seoul. We've found flights into this airport from $234.

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

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

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

Yes – the average flight time is 1 hour and 42 minutes.

How can I get the best flight deal from Kumamoto Airport to Seoul?

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 Seoul 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 Seoul?

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.

What’s the weather like in Seoul?

In June, the average temperature is usually around 20°C. August is typically the warmest month in Seoul, when it usually averages around 28°C. You can expect the least rain in January. The coldest month is January, with temperatures averaging -8°C. The rainiest month is July.

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

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

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

Around 1 hour 30 minutes is how long you'll be travelling on a direct flight from Kumamoto Airport to Seoul.
Seoul and Kumamoto (where Kumamoto Airport is located) are in the UTC+9 timezone. This means you won't need to account for any time differences.
Kumamoto Airport (KMJ) to Seoul Incheon International Airport (ICN) is the most popular route, with 11 weekly departures to choose from. If you have things to finalize before heading off, the last flight from KMJ to ICN is with Korean Air at 19:20. Go for the first departure operated by T'Way Air at 10:25 if you want to get on your way earlier.
For stress-free travel, turn up at the airport two hours ahead of international flights and an hour before domestic departures. This will give you plenty of time to catch your KMJ to Seoul flight.
Be prepared for longer queues during popular months such as January. Arriving up to four hours in advance for an international flight and two hours for a domestic departure is a good idea.
Start your journey at KMJ and travel straight to Seoul Incheon International Airport (ICN). That's where you can expect to touch down when searching for Kumamoto Airport to Seoul tickets.
You'll have your pick of carriers that offer direct flights from Kumamoto Airport to Seoul. Get up and away with one of these:
A stopover is the perfect opportunity to break up your trip and possibly even explore a different city. When searching for plane tickets from KMJ to Seoul, uncheck the 'Direct flights only' box to see where you can visit along the way. Some popular options include:
- Tokyo Haneda International Airport (HND)
- Hong Kong International Airport (HKG)
- Taiwan Taoyuan International Airport (TPE)
Travelling from central Kumamoto to KMJ takes about 40 minutes by public transport. If you drive, ride-share or grab a taxi, you'll cover the 14 kilometres in 30 minutes or so, depending on traffic conditions.
Want a relaxed start to your trip? Stay near KMJ. Whether you have an early flight from Kumamoto Airport to Seoul or just don't want to be rushed, these hotels have you covered:
When it comes to Kumamoto Airport's on-time performance, 79% of flights arrive within the expected time frame.
KMJ is located at 1801 Oyatsu, Mashiki.

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

The best price we've found for a one-way Kumamoto Airport to Seoul flight is $130. The cheapest price for a return flight is $234. Remember fares may change due to availability at the time of booking.
Booking in advance is often the key to securing a cheap flight from KMJ to Seoul. Fares tend to rise as seats fill up, so the nearer your departure date, the more expensive your ticket may be.
Landing cheap tickets from Kumamoto Airport to Seoul is more likely if you're flexible with your trip dates. Use the 'Whole month' search tool to get the lowest prices across every month and pick up an epic deal.
Cut down on the time spent looking for cheap flights from KMJ to Seoul by setting up a Price Alert. You'll get an email or notification through the app when a lower fare becomes available.
Pick your ideal arrival and departure times, number of stops and airlines with our filters. Then, sort the results for your flight from Kumamoto Airport to Seoul by 'Cheapest,' 'Best' or 'Fastest.'

Airports in Seoul

Seoul Incheon International Airport (ICN)

Seoul Incheon International Airport (ICN) is around 48 kilometres from central Seoul. If you're grabbing a taxi or a ride-share, the drive takes about 1 hour 5 minutes.
Travelling by public transport will take you around 50 minutes.
Consider staying in a hotel near ICN if you're coming in on a late flight from Kumamoto Airport to Seoul. Choose one of these options and make your first night all about rest:
Lock in the best deal by booking your ride from Seoul Incheon International Airport about four weeks in advance of your flight from KMJ to Seoul.

Seoul Gimpo International Airport (GMP)

The centre of Seoul is around 16 kilometres from Seoul Gimpo International Airport (GMP). Once your flight from Kumamoto Airport to Seoul has hit the runway and you've made your way out of the airport, expect a drive of around 30 minutes.
Travelling by public transport will take around 35 minutes.
Hang up the 'Do not disturb' sign and rest at a hotel close to GMP. Here are a few options where you can check in after your KMJ to Seoul flight:
Snap up the best price by booking your ride from GMP one week ahead of time. You can also expect to have a bigger selection of vehicles.

Best time to go to Seoul

December is the quietest month for flights from Kumamoto Airport to Seoul, while January is the busiest. Work out the ideal time to go to Seoul based on whether you prefer a laid-back vibe or a lively atmosphere.
Lock in a Kumamoto Airport to Seoul plane ticket with a departure in August if you want to explore the city during its warmest month. You can expect temperatures to range from 19ºC (66ºF) to 32ºC (90ºF).
If you'd rather travel in cooler conditions, search for a cheap ticket from KMJ to Seoul in January when temperatures average between -12ºC (10ºF) and 4ºC (39ºF).

More about Seoul

Start your Seoul trip right by choosing the ideal place to stay. After booking your flight from Kumamoto Airport to Seoul, browse our range of hotels including:
There are so many things to discover in this city it can be difficult to know where to begin. Bukchon Hanok Village, Gyeongbokgung Palace and N Seoul Tower are leading attractions which should be on any good Seoul itinerary.

Explore more of South Korea

Busan is just one of the many places in South Korea waiting to be discovered after you've experienced Seoul. Around 322 kilometres away to the southeast, popular attractions include Gamcheon Culture Village, Haeundae Beach and Beautiful View Busan - Diamond Bridge.
If you're looking to explore another well-known destination in South Korea, consider Daegu, about 241 kilometres southeast of Seoul. Alive Aquarium Daegu, Nature Park and Seonsa Historical Park are key reasons to visit.