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 flights on this route typically involve at least one stopover. For connecting flights, the median number of stopovers observed was 1. Travelers seeking direct routes should be aware of their relative infrequency.

What's the flight time from Kumamoto to Seoul?

The typical direct flight time from Kumamoto to Seoul is approximately 1 hour and 35 minutes, covering a distance of 652 kilometers. For flights with one stop, the median duration historically extends to about 7 hours and 10 minutes. Travelers should account for these differences when planning their journeys. Direct flights offer a significantly shorter travel experience.

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

Historically, good prices on flights from Kumamoto to Seoul are regularly available. This route is classified as having a regular frequency of favorable deals across the trailing 30 days. Travelers can typically expect to find competitive fares when searching for this particular route. Consistent availability of good prices makes this a reliable route for budget-conscious travelers.

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 1 day ago

461 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Sep 14, 2026.)

Today’s best flight deals from Kumamoto to Seoul

Explore current cheapest deals departing from Kumamoto to Seoul

2026-09-24 – 2026-09-29
KMJ - Seoul
43% AI deal score
¥23,283
¥26,428
Round trip
2026-09-22 – 2026-09-29
KMJ - Seoul
43% AI deal score
¥23,011
¥26,892
Round trip
2026-09-24 – 2026-09-28
KMJ - Seoul
43% AI deal score
¥24,422
¥27,974
Round trip
2026-09-25 – 2026-09-28
KMJ - Seoul
43% AI deal score
¥24,438
¥28,128
Round trip
2026-09-21 – 2026-09-27
KMJ - Seoul
43% AI deal score
¥23,660
¥28,437
Round trip
2026-09-17 – 2026-09-21
KMJ - Seoul
45% AI deal score
¥28,786
¥28,592
Round trip
2026-09-21 – 2026-09-30
KMJ - Seoul
42% AI deal score
¥21,994
¥28,592
Round trip
2026-09-25 – 2026-09-27
KMJ - Seoul
43% AI deal score
¥24,564
¥28,746
Round trip
2026-10-01 – 2026-10-06
KMJ - Seoul
65% AI deal score
¥38,692
¥31,683
Round trip
2026-10-02 – 2026-10-05
KMJ - Seoul
41% AI deal score
¥21,864
¥32,456
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'll likely encounter at least one stop on your journey, so planning for layover times is advisable.

When is the cheapest time to fly from Kumamoto to Seoul? The most affordable months to fly are typically September, with a median fare of $122, followed by July at $126, and October at $132. These months offer significantly lower prices compared to other times of the year, providing opportunities for savings.

Fares from Kumamoto to Seoul typically range from $180–$391, with a median of $305. Right now, current fares are significantly below the typical level. Approximately 12% of recent fares were classified as a good price, indicating that finding a deal is possible if you monitor prices regularly. New deals show up several times a week, so keeping an eye on price alerts can be beneficial.

A typical journey from Kumamoto to Seoul takes about 8h 10m, including connections. This median duration accounts for the fact that most itineraries involve at least one stopover, as direct flights are not common on this route. Travelers should factor in this total travel time when planning their trip.

The distance between Kumamoto and Seoul is 652 kilometers, classifying this as a short-haul route. This relatively short distance, however, often involves connecting flights, extending the overall travel time beyond what a direct flight of this length would typically entail.

How much is a round trip from Kumamoto to Seoul

Regular price: ¥17,195 - ¥37,745

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

The regular price range for flights from Kumamoto to Seoul is JPY 17,195 to JPY 37,745. The current lowest deal is JPY 26,495 with T'way Air for travel from Sep 23-Sep 29.

now ¥26,495

Low ¥17,195

High ¥37,745

The cheapest time to fly from Kumamoto to Seoul

The cheapest month to fly from Kumamoto to Seoul is September, with a median price of $122. The most expensive month to fly is April, with a median price of $373. Generally, prices are 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

Tue, Sep 15

⌛ Last-Minute

KMJ - Seoul

Kumamoto (KMJ) - Seoul (ICN)

T'way Air

¥24,544

¥32,919

One-way

Tue, Sep 15

⌛ Last-Minute

KMJ - Seoul

Kumamoto (KMJ) - Seoul (ICN)

T'way Air

¥26,862

¥32,919

One-way

Wed, Sep 16

⌛ Last-Minute

KMJ - Seoul

Kumamoto (KMJ) - Seoul (GMP)

Arcus-Air Logistic

¥53,248

¥28,592

One-way

Wed, Sep 16

⌛ Last-Minute

KMJ - Seoul

Kumamoto (KMJ) - Seoul (GMP)

Arcus-Air Logistic, T'way Air

¥39,788

¥29,055

One-way

Wed, Sep 16

⌛ Last-Minute

KMJ - Seoul

Kumamoto (KMJ) - Seoul (GMP)

Arcus-Air Logistic, T'way Air

¥52,163

¥29,055

One-way

Wed, Sep 16

⌛ Last-Minute

KMJ - Seoul

Kumamoto (KMJ) - Seoul (GMP)

Arcus-Air Logistic, T'way Air

¥48,530

¥29,055

One-way

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

2 nights

Sep 16 - Sep 18

¥54,024 → ¥33,325

38%

5 nights

Oct 1 - Oct 6

¥38,804 → ¥31,775

18%

4 nights

Sep 17 - Sep 21

¥28,870 → ¥28,675

2 nights

Oct 9 - Oct 11

¥39,196 → ¥41,695

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, with 12% good prices.

📅 Best time to fly

September is historically cheapest

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

⏱️ Flight duration

Typical flight time is 8h 10m

The typical flight duration from Kumamoto to Seoul is 8 hours and 10 minutes.

✈️ Airlines & availability

T'way Air offers direct flights

T'way Air offers direct flights on this route, which are connecting-dominant at 4.4%.

🏆 Airline highlight

T'way Air has a direct deal

T'way Air has 1 direct deal available, with a recent fare of $26495.

🎯 Booking tip

Deals appear regularly

Deals for flights from Kumamoto to Seoul appear regularly, making it easy to find good prices.

Kumamoto main airports to depart from

Kumamoto (KMJ)

Cheapest

Fly from Kumamoto Airport for direct access to Seoul, offering a convenient departure point.

📍 ~14 km from Kumamoto (reachable by car or bus)

💸 Flights from ~¥20,020

Seoul main airports to arrive at

Gimpo International (GMP)

Cheapest

Gimpo International Airport is a convenient arrival option for flights from Kumamoto to Seoul.

📍 ~17 km from Seoul city center (reachable by car)

💸 Flights from ~¥22,682

Airports nearby Seoul used as alternative

Cheongju International (CJJ)

Cheongju International Airport is a useful alternative, serving as a primary low-cost carrier hub for regional international routes.

📍 ~110 km from Seoul (reachable by bus and rail).

💸 Flights from ~¥26,675

Business & First Class Flight Deals to Seoul

Discover luxury on the budget with premium cabin class on flights from Kumamoto to Seoul.

Elite

Best Elite deals to Seoul

Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.

From KMJ

Elite

Sep 16

Seoul, South Korea

80% AI deal score

$1,269

$383

Save $886

Arcus-Air Logistic, +1

Business Class

From KMJ

Elite

Sep 22

Seoul, South Korea

80% AI deal score

$1,242

$383

Save $859

Arcus-Air Logistic, +1

Business Class

From KMJ

Elite

Sep 22

Seoul, South Korea

80% AI deal score

$1,204

$390

Save $814

Arcus-Air Logistic, +1

Business Class

From KMJ

Elite

Sep 16

Seoul, South Korea

80% AI deal score

$1,252

$390

Save $862

Arcus-Air Logistic, +1

Business Class

From KMJ

Elite

Sep 22

Seoul, South Korea

80% AI deal score

$1,204

$390

Save $814

Arcus-Air Logistic, +1

Business Class

From KMJ

Elite

Sep 30

Seoul, South Korea

80% AI deal score

$1,204

$390

Save $814

Arcus-Air Logistic, +1

Business Class

From KMJ

Elite

Oct 07

Seoul, South Korea

79% AI deal score

$1,144

$390

Save $754

Arcus-Air Logistic, +1

Business Class

From KMJ

Elite

Oct 07

Seoul, South Korea

79% AI deal score

$1,158

$390

Save $768

Arcus-Air Logistic, +1

Business Class

From KMJ

Elite

Sep 30

Seoul, South Korea

79% AI deal score

$1,178

$390

Save $788

Arcus-Air Logistic, +1

Business Class

From KMJ

Elite

Sep 22

Seoul, South Korea

79% AI deal score

$1,204

$393

Save $811

Arcus-Air Logistic, +1

Business Class

From KMJ

Elite

Sep 23

Seoul, South Korea

79% AI deal score

$1,233

$401

Save $832

Arcus-Air Logistic, +1

Business Class

From KMJ

Elite

Sep 24

Seoul, South Korea

79% AI deal score

$1,239

$401

Save $838

Arcus-Air Logistic, +1

Business Class

Frequently Asked Questions About Flights to Seoul

Historically, booking your flight 60+ days in advance typically yields the lowest prices for the Kumamoto to Seoul route. Across the trailing quarter, the average price for flights booked within this window was around $207. In contrast, booking 0-6 days before departure saw average prices of $391, indicating a significant increase for last-minute arrangements. Planning ahead by at least two months can result in substantial savings.

A good price for a flight from Kumamoto to Seoul is considered to be around $180. This figure represents the lower end of prices observed across the trailing 90 days. The median price for this route historically stands at $305, while prices can go up to $391 or more. Travelers aiming for a budget-friendly trip should target fares at or below the $180 mark.

Historically, September has been the most affordable month to fly from Kumamoto to Seoul, with a median price of $122. July also offers competitive fares, with a median price of $126, followed closely by October at $132. These months typically present prices significantly lower than the annual median of $305 for this route. Travelers looking for the best value should consider planning their trips during these periods.

Kumamoto to Seoul: Overview

Insights for flights from Kumamoto to Seoul

How much is a round trip from Kumamoto to Seoul

Regular price: ¥17,195 - ¥37,745

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

The regular price range for flights from Kumamoto to Seoul is JPY 17,195 to JPY 37,745. The current lowest deal is JPY 26,495 with T'way Air for travel from Sep 23-Sep 29.

now ¥26,495

Low ¥17,195

High ¥37,745

The cheapest time to fly from Kumamoto to Seoul

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

Tue, Sep 15

⌛ Last-Minute

KMJ - Seoul

Kumamoto (KMJ) - Seoul (ICN)

T'way Air

¥24,544

¥32,919

One-way

Tue, Sep 15

⌛ Last-Minute

KMJ - Seoul

Kumamoto (KMJ) - Seoul (ICN)

T'way Air

¥26,862

¥32,919

One-way

Wed, Sep 16

⌛ Last-Minute

KMJ - Seoul

Kumamoto (KMJ) - Seoul (GMP)

Arcus-Air Logistic

¥53,248

¥28,592

One-way

Wed, Sep 16

⌛ Last-Minute

KMJ - Seoul

Kumamoto (KMJ) - Seoul (GMP)

Arcus-Air Logistic, T'way Air

¥39,788

¥29,055

One-way

Wed, Sep 16

⌛ Last-Minute

KMJ - Seoul

Kumamoto (KMJ) - Seoul (GMP)

Arcus-Air Logistic, T'way Air

¥52,163

¥29,055

One-way

Wed, Sep 16

⌛ Last-Minute

KMJ - Seoul

Kumamoto (KMJ) - Seoul (GMP)

Arcus-Air Logistic, T'way Air

¥48,530

¥29,055

One-way

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

2 nights

Sep 16 - Sep 18

¥54,024 → ¥33,325

38%

5 nights

Oct 1 - Oct 6

¥38,804 → ¥31,775

18%

4 nights

Sep 17 - Sep 21

¥28,870 → ¥28,675

2 nights

Oct 9 - Oct 11

¥39,196 → ¥41,695

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, with 12% good prices.

📅 Best time to fly

September is historically cheapest

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

⏱️ Flight duration

Typical flight time is 8h 10m

The typical flight duration from Kumamoto to Seoul is 8 hours and 10 minutes.

✈️ Airlines & availability

T'way Air offers direct flights

T'way Air offers direct flights on this route, which are connecting-dominant at 4.4%.

🏆 Airline highlight

T'way Air has a direct deal

T'way Air has 1 direct deal available, with a recent fare of $26495.

🎯 Booking tip

Deals appear regularly

Deals for flights from Kumamoto to Seoul appear regularly, making it easy to find good prices.

Kumamoto main airports to depart from

Kumamoto (KMJ)

Cheapest

Fly from Kumamoto Airport for direct access to Seoul, offering a convenient departure point.

📍 ~14 km from Kumamoto (reachable by car or bus)

💸 Flights from ~¥20,020

Seoul main airports to arrive at

Gimpo International (GMP)

Cheapest

Gimpo International Airport is a convenient arrival option for flights from Kumamoto to Seoul.

📍 ~17 km from Seoul city center (reachable by car)

💸 Flights from ~¥22,682

Airports nearby Seoul used as alternative

Cheongju International (CJJ)

Cheongju International Airport is a useful alternative, serving as a primary low-cost carrier hub for regional international routes.

Seoul, South Korea

79% AI deal score

$1,239

$401

Save $838

Arcus-Air Logistic, +1

Business Class

Frequently Asked Questions About Flights to Seoul

Cheap Flights from Kumamoto to Seoul

Today’s best flight deals from Kumamoto to Seoul

Kumamoto to Seoul: Overview

Insights for flights from Kumamoto to Seoul

How much is a round trip from Kumamoto to Seoul

The cheapest time to fly from Kumamoto to Seoul

Direct flights from Kumamoto to Seoul

Last-minute flights going from Kumamoto to Seoul

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

Popular Airports to fly from Kumamoto to Seoul

Kumamoto - Seoul route insights

Recent fares are below the typical level

September is historically cheapest

Typical flight time is 8h 10m

T'way Air offers direct flights

T'way Air has a direct deal

Deals appear regularly

Kumamoto main airports to depart from

Seoul main airports to arrive at

Airports nearby Seoul used as alternative

Business & First Class Flight Deals to Seoul

Best Elite deals to Seoul

Sep 16

Sep 22

Sep 22

Sep 16

Sep 22

Sep 30

Oct 07

Oct 07

Sep 30

Sep 22

Sep 23

Sep 24

Frequently Asked Questions About Flights to Seoul

How early should I book Kumamoto to Seoul flights to get the cheapest price?

What's a cheap fare from Kumamoto to Seoul?

What's the best month to fly from Kumamoto to Seoul?

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

What's the flight time from Kumamoto to Seoul?

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

Related routes

More routes from Kumamoto

Flights to Seoul from other cities

Kumamoto to Seoul: Overview

Insights for flights from Kumamoto to Seoul

How much is a round trip from Kumamoto to Seoul

The cheapest time to fly from Kumamoto to Seoul

Direct flights from Kumamoto to Seoul

Last-minute flights going from Kumamoto to Seoul

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

Popular Airports to fly from Kumamoto to Seoul

Kumamoto - Seoul route insights

Recent fares are below the typical level

September is historically cheapest

Typical flight time is 8h 10m

T'way Air offers direct flights

T'way Air has a direct deal

Deals appear regularly

Kumamoto main airports to depart from

Seoul main airports to arrive at

Airports nearby Seoul used as alternative

Business & First Class Flight Deals to Seoul

Best Elite deals to Seoul

Sep 16

Sep 22

Sep 22

Sep 16

Sep 22

Sep 30

Oct 07

Oct 07

Sep 30

Sep 22

Sep 23

Sep 24

Frequently Asked Questions About Flights to Seoul

How early should I book Kumamoto to Seoul flights to get the cheapest price?

What's a cheap fare from Kumamoto to Seoul?

What's the best month to fly from Kumamoto to Seoul?