Your next trip, last seen at €108
Lowest observedT'way Air · Non-stop · One wayWhen to fly
Explore datesMore dates worth a look
Find the dates that work for you
The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.
One-way fare
- Lowest observed
- €108, departing 9 Dec 2026 (Last checked: 28 Oct 2026)One-way fare · Priced departure days checked in the last 14 days: 67Check live prices for this route
- Airlines seen
- Eastar Jet, Korean Air, T'way Air
- Reported fastest flight
- 1h 40m
- Non-stop
- Yes
About this route
Explore the fares we observed from Kumamoto to Seoul. Prices move often, so pick your dates to see the latest options.
- Route distance
- 629 km
- Reported fastest flight
- 1h 40m
- Alternative airports
- GMP
Route-level information; individual journeys vary.
Published schedules report non-stop service with Asiana Airlines. Check current timetables.
A clearer picture of your fare
Non-stop airlines seen on this route
| Airline | Non-stop days / priced days | Fastest non-stop |
|---|---|---|
| T'way Air | 45 / 67 | |
| Korean Air | 6 / 67 |
Departure days with a non-stop fare checked in the last 14 days. A carrier listed here had a non-stop fare on at least 3 days; schedules may differ.
Airport to city: straight-line distance
- Kumamoto Airport (KMJ) → Kumamoto, city gazetteer reference point (32.8032, 130.7079): ≈ 14 km.
- Seoul Gimpo International Airport (GMP) → Seoul, city gazetteer reference point (37.5665, 126.9780): ≈ 17 km.
- Incheon International Airport (ICN) → Seoul, city gazetteer reference point (37.5665, 126.9780): ≈ 48 km.
Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.
Lowest fare by departure month
Cheapest month from Kumamoto to Seoul: December 2026, from €108 (checked 28 Oct 2026).
| Month | Lowest fare | Priced days |
|---|---|---|
| November 2026 | €111 | 18 |
| December 2026 | €108 | 23 |
| January 2027 | €115 | 25 |
Lowest fare by day of the week
Cheapest day of the week from Kumamoto to Seoul: Wednesday, from €108 (checked 28 Oct 2026).
| Day | Lowest fare | Priced days |
|---|---|---|
| Monday | €121 | 8 |
| Tuesday | €114 | 12 |
| Wednesday | €108 | 12 |
| Thursday | €108 | 13 |
| Friday | €118 | 12 |
| Saturday | €125 | 8 |
One-way fares checked in the last 14 days. Each figure is the lowest priced departure day we saw, not a guaranteed fare.
Lowest fare by days before departure
Lowest fare from Kumamoto to Seoul by days until departure (31 to 60 days): €108 (checked 28 Oct 2026).
| Days before departure | Lowest fare | Priced days |
|---|---|---|
| 0 to 7 days | €111 | 4 |
| 8 to 30 days | €113 | 15 |
| 31 to 60 days | €108 | 22 |
| 61 days or more | €115 | 26 |
One-way fares checked in the last 14 days. Each figure is the lowest stored fare for that distance to departure, not a price forecast.
Fares for different departure dates, checked now; not a guide to when to book.
Lowest one-way fare we saw per airline
Cheapest airline from Kumamoto to Seoul: T'way Air, from €108 (checked 28 Oct 2026).
| Airline | Lowest fare | Priced days |
|---|---|---|
| T'way Air | €108Dec 9, 2026 | 45 |
| Eastar Jet | €113Nov 26, 2026 | 16 |
| Korean Air | €118Nov 6, 2026 | 6 |
One-way fares checked in the last 14 days. An airline listed here had a fare on at least 3 departure days. Each figure is the lowest we saw, not a guaranteed fare. Connecting itineraries are included; the date is the departure day of that fare.
Frequently asked
How much is a flight from Kumamoto to Seoul?
The lowest fare Routavio has observed is €108, found on 28 Oct 2026. Prices move, so read it as a floor rather than a quote.
When is the cheapest month to fly from Kumamoto to Seoul?
Cheapest month from Kumamoto to Seoul: December 2026, from €108 (checked 28 Oct 2026).
Are there direct flights from Kumamoto to Seoul?
Yes. Published schedules report non-stop flights on this route with Asiana Airlines.
Which airlines fly from Kumamoto to Seoul?
Routavio has seen these carriers on the route: Eastar Jet, Korean Air, T'way Air.
How long does the flight from Kumamoto to Seoul take?
Across the 67 fares Routavio observed, the average journey time is 5h 27m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.
How many of the observed Kumamoto to Seoul fares were non-stop?
51 of the 67 fares we observed were non-stop; the rest included at least one stop. That describes our observations, not every flight that operates.
Which airlines had non-stop offers on at least 3 departure dates from Kumamoto to Seoul?
For Kumamoto to Seoul, examples of observed one-way non-stop offers checked within the last 14 days: T'way Air (45), Korean Air (6). Each number counts distinct departure dates, not weekly flights; check current availability in search.
Which day of the week is cheapest from Kumamoto to Seoul?
Cheapest day of the week from Kumamoto to Seoul: Wednesday, from €108 (checked 28 Oct 2026).
Which airline has the lowest fare from Kumamoto to Seoul?
Cheapest airline from Kumamoto to Seoul: T'way Air, from €108 (checked 28 Oct 2026).
How observed prices work, what "No data" means and what a fare includes: Read the flight price guide
Keep exploring
Similar routes
Non-stop airlines on this route
More routes from Kumamoto
More routes to Seoul
Show all 30 routes →Show fewer ↑
Recently observed fares. Prices may change.
Last checked: 28 Oct 2026