Direct (nonstop) flights from Kumamoto to Seoul
2 airlines fly nonstop from Kumamoto Airport (KMJ) to Incheon International Airport (ICN). It's 405 miles (651 km), about 1h 45m in the air. Operated by Korean Air, T´Way Air.
Korean Air
T´Way Air
Route data last updated: May 27, 2026
Airlines with non-stop flights
Alternative Routes
Other ways to fly from Kumamoto to Seoul with one stop · direct emits 75 kg CO₂ per passenger
Looking for the return flight?
ICN → KMJ: Flights from Seoul to KumamotoOther direct flights from Kumamoto
Direct flights from Seoul (ICN)
Frequently Asked Questions
How long is the direct flight from Kumamoto to Seoul?
A nonstop flight from Kumamoto (KMJ) to Seoul (ICN) takes approximately 1 hours and 45 minutes. The distance is 405 miles (651 km).
Which airlines fly nonstop from Kumamoto to Seoul?
2 airlines: Korean Air, T´Way Air.
Is there a nonstop flight from Kumamoto to Seoul?
Yes. 2 airlines: Korean Air, T´Way Air.
How far is Kumamoto from Seoul?
The flight distance from Kumamoto to Seoul is 405 miles (651 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as Mumbai to Goa.
What type of aircraft flies from Kumamoto to Seoul?
At 1h 45m, this route typically uses narrow-body aircraft — Boeing 737 or Airbus A320. Varies by airline.
Do I need a visa to travel from Japan to Republic of Korea?
Depends on your passport. Check with the Republic of Korea embassy or an official visa portal before booking — requirements change.
What is the carbon footprint of a flight from Kumamoto to Seoul?
Roughly 75 kg CO2 per passenger one-way. That's about the same as driving 375 km.
Is the return flight from Seoul to Kumamoto also nonstop?
Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.
When is the cheapest time to fly from Kumamoto to Seoul?
Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.
How early should I arrive at Kumamoto Airport for this flight?
3 hours before departure for international flights. You need time for check-in, security, and immigration.