How many flights from Kumamoto to Seoul are non-stop?

Across the trailing 90 days, approximately 4.4% of flights from Kumamoto to Seoul were non-stop. The vast majority of routes on this path historically involve at least one stopover. For flights with connections, the median number of stopovers was 1. This indicates that travelers should typically expect a connecting flight when planning this route.

What's the flight time from Kumamoto to Seoul?

A direct flight from Kumamoto to Seoul typically takes approximately 1 hour and 35 minutes, covering a distance of 652 kilometers. For flights involving one stop, the median travel time historically extends to 7 hours and 10 minutes. This significant difference highlights the time-saving benefit of direct routes when available.

Are there frequently good prices on flights from Kumamoto to Seoul?

Historically, flights from Kumamoto to Seoul are a regular route for deals. This indicates that good prices appear with consistent frequency across the trailing 30 days. Travelers can typically find favorable fares without extensive searching, making it a reliable route for budget-conscious planning.

Flights From Kumamoto

To Seoul

Cheap Flights from Kumamoto to Seoul

Browse current best options from Kumamoto. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

Kumamoto

RatePunk searches hundreds of travel sites at once for deals on flights to Seoul

Prices updated 2 days ago

405 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Jul 26, 2026.)

Today’s best flight deals from Kumamoto to Seoul

Explore current cheapest deals departing from Kumamoto to Seoul

2026-07-21 – 2026-08-18
KMJ - Seoul
42% AI deal score
¥22,097
¥30,522
Round trip
2026-07-23 – 2026-08-18
KMJ - Seoul
42% AI deal score
¥22,145
¥31,009
Round trip
2026-07-21 – 2026-08-04
KMJ - Seoul
42% AI deal score
¥22,939
¥31,496
Round trip
2026-07-21 – 2026-08-07
KMJ - Seoul
42% AI deal score
¥22,306
¥31,496
Round trip
2026-07-21 – 2026-08-20
KMJ - Seoul
42% AI deal score
¥22,097
¥31,496
Round trip
2026-07-23 – 2026-08-07
KMJ - Seoul
42% AI deal score
¥22,598
¥31,983
Round trip
2026-07-23 – 2026-08-22
KMJ - Seoul
42% AI deal score
¥22,145
¥31,983
Round trip
2026-07-23 – 2026-08-04
KMJ - Seoul
42% AI deal score
¥23,023
¥31,983
Round trip
2026-07-23 – 2026-08-20
KMJ - Seoul
42% AI deal score
¥22,145
¥31,983
Round trip
2026-07-21 – 2026-08-06
KMJ - Seoul
41% AI deal score
¥22,384
¥33,444
Round trip

Kumamoto to Seoul: Overview

Insights for flights from Kumamoto to Seoul

Most itineraries for cheap flights from Kumamoto to Seoul connect at least once, with only 4.4% of recent fares being non-stop. For connecting flights, the typical number of stopovers is 1. This means you will most likely find yourself with a layover when flying this route, making it important to consider overall journey time.

Fares for flights from Kumamoto to Seoul typically range from $180 to $391, with a median of $305. Right now, fares are significantly below the typical level, indicating a favorable time to consider booking. Approximately 12% of recent fares have been classified as a good price, suggesting that competitive pricing does appear on this route.

When is the cheapest time to fly from Kumamoto to Seoul? The data indicates that September is typically the most affordable month, with a median fare of $122. Following closely, July also offers competitive prices, with a median of $126. October is another cost-effective option, showing a median fare of $132, making these months ideal for budget-conscious travelers.

A typical journey from Kumamoto to Seoul takes approximately 8h 10m, including connections. Given that most itineraries involve at least one stopover, this duration reflects the total travel time from departure to arrival. You should factor in this total journey time when planning your trip, especially if you have tight schedules or prefer quicker travel.

The distance between Kumamoto and Seoul is 652 kilometers, classifying this as a short-haul route. This relatively short distance means that while most flights include connections, the overall travel time remains manageable for international travel.

How much is a round trip from Kumamoto to Seoul

Regular price: ¥20,141 - ¥40,828

Prices for flights from Kumamoto to Seoul are currently within the regular range.

The regular price range for flights from Kumamoto to Seoul is JPY20141 to JPY40828. The current lowest deal is JPY33911 with T'way Air for travel from Aug 16-Aug 18.

now ¥33,911

Low ¥20,141

High ¥40,828

The cheapest time to fly from Kumamoto to Seoul

The cheapest month to fly from KMJ to SEL is September, with a median price of $122. The most expensive month is April, with a median price of $373. Prices are generally lower from March to October.

September

Cheapest

Flights from ¥122

April

Most Expensive

Flights from ¥373

Jan

Mar

Apr

May

Jun

Jul

Sep

Oct

Nov

Direct flights from Kumamoto to Seoul

T'way Air

Last-minute flights going from Kumamoto to Seoul

Mon, Jul 27

⌛ Last-Minute

KMJ - Seoul

Kumamoto (KMJ) - Seoul (ICN)

T'way Air

¥22,326

¥34,402

One-way

Mon, Jul 27

⌛ Last-Minute

KMJ - Seoul

Kumamoto (KMJ) - Seoul (ICN)

T'way Air

¥22,297

¥35,221

One-way

Mon, Jul 27

⌛ Last-Minute

KMJ - Seoul

Kumamoto (KMJ) - Seoul (ICN)

T'way Air

¥24,574

¥35,221

One-way

Mon, Jul 27

⌛ Last-Minute

KMJ - Seoul

Kumamoto (KMJ) - Seoul (ICN)

T'way Air

¥23,229

¥35,221

One-way

Mon, Jul 27

⌛ Last-Minute

KMJ - Seoul

Kumamoto (KMJ) - Seoul (ICN)

T'way Air

¥23,152

¥35,221

One-way

Tue, Jul 28

⌛ Last-Minute

KMJ - Seoul

Kumamoto (KMJ) - Seoul (ICN)

T'way Air

¥22,328

¥34,402

One-way

Biggest price drops on these dates for flights from Kumamoto to Seoul

6 nights

Aug 3 - Aug 9

¥49,185 → ¥36,040

27%

4 nights

Aug 6 - Aug 10

¥51,347 → ¥41,774

19%

1 night

Aug 25 - Aug 26

¥43,554 → ¥34,402

21%

2 nights

Aug 25 - Aug 27

¥43,507 → ¥34,402

21%

Popular Airports to fly from Kumamoto to Seoul

Kumamoto - Seoul route insights

💸 Price insights

Recent fares are below the typical level

Recent fares from Kumamoto to Seoul are below the typical level at $180 to $391.

📅 Best time to fly

September is historically the cheapest month

Historically, September is the cheapest month to fly from Kumamoto to Seoul, with a median price of $122.

⏱️ Flight duration

Median flight time is 8h 10m

The median flight time from Kumamoto to Seoul is 8 hours 10 minutes.

✈️ Airlines & availability

Connecting flights are dominant

Connecting flights are dominant on this route, with 1 stopover being typical.

🏆 Airline highlight

T'way Air offers direct flights

T'way Air has offered direct flights from Kumamoto to Seoul.

🎯 Booking tip

Deals appear regularly

Deals for flights from Kumamoto to Seoul appear regularly.

Kumamoto main airports to depart from

Kumamoto (KMJ)

Cheapest

Kumamoto Airport is a convenient departure point for flights to Seoul, offering competitive prices.

📍 ~15 km from Kumamoto (reachable by car or bus)

💸 Flights from ~$161

Seoul main airports to arrive at

Incheon International (ICN)

Cheapest

Incheon International Airport is a good option for flights to Seoul, offering competitive prices for travelers.

📍 ~50 km from city center (reachable by public transport or car)

💸 Flights from ~$173

Airports nearby Seoul used as alternative

Cheongju International (CJJ)

Cheongju International is a practical alternative for Seoul due to its proximity and international status.

📍 ~110 km from destination city (reachable by express bus and rail services)

💸 Flights from ~$253

Business & First Class Flight Deals to Seoul

74% AI deal score

$1,256

$798

Save $458

Frequently Asked Questions About Flights to Seoul

Historically, booking flights from Kumamoto to Seoul 60+ days in advance typically yields the lowest average prices. Across the trailing quarter, the average price for flights booked within this window was $207. In contrast, booking 0-6 days before departure saw average prices rise to $391, indicating a significant increase for last-minute arrangements. For those booking 28-59 days out, the average price was $306, still considerably higher than the earliest booking option.

Historically, a good price for a flight from Kumamoto to Seoul has been around $180. This figure represents the lower end of prices observed across the trailing 90 days. The median price for this route was $305, with 75% of prices falling below $391. Travelers aiming for a more budget-friendly trip should target fares at or below the $180 mark.

Historically, September has been the cheapest month to fly from Kumamoto to Seoul, with a median price of $122. July also offered favorable prices, with a median of $126, and October followed closely at a median of $132. These months typically present more affordable options compared to the annual median price of $305 for this route across the trailing 270 days.

Kumamoto to Seoul: Overview

Insights for flights from Kumamoto to Seoul

How much is a round trip from Kumamoto to Seoul

Regular price: ¥20,141 - ¥40,828

Prices for flights from Kumamoto to Seoul are currently within the regular range.

The regular price range for flights from Kumamoto to Seoul is JPY20141 to JPY40828. The current lowest deal is JPY33911 with T'way Air for travel from Aug 16-Aug 18.

now ¥33,911

Low ¥20,141

High ¥40,828

The cheapest time to fly from Kumamoto to Seoul

The cheapest month to fly from KMJ to SEL is September, with a median price of $122. The most expensive month is April, with a median price of $373. Prices are generally lower from March to October.

September

Cheapest

Flights from ¥122

April

Most Expensive

Flights from ¥373

Jan

Mar

Apr

May

Jun

Jul

Sep

Oct

Nov