Direct (nonstop) flights from Seoul to Kumamoto
2 airlines fly nonstop from Incheon International Airport (ICN) to Kumamoto Airport (KMJ). It's 405 miles (651 km), about 1h 30m 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 Seoul to Kumamoto with one stop · direct emits 75 kg CO₂ per passenger
Looking for the return flight?
KMJ → ICN: Flights from Kumamoto to SeoulOther direct flights from Seoul
Direct flights from Kumamoto (KMJ)
Frequently Asked Questions
How long is the direct flight from Seoul to Kumamoto?
A nonstop flight from Seoul (ICN) to Kumamoto (KMJ) takes approximately 1 hours and 30 minutes. The distance is 405 miles (651 km).
Which airlines fly nonstop from Seoul to Kumamoto?
2 airlines: Korean Air, T´Way Air.
Is there a nonstop flight from Seoul to Kumamoto?
Yes. 2 airlines: Korean Air, T´Way Air.
How far is Seoul from Kumamoto?
The flight distance from Seoul to Kumamoto 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 Seoul to Kumamoto?
At 1h 30m, this route typically uses narrow-body aircraft — Boeing 737 or Airbus A320. Varies by airline.
Do I need a visa to travel from Republic of Korea to Japan?
Depends on your passport. Check with the Japan embassy or an official visa portal before booking — requirements change.
What is the carbon footprint of a flight from Seoul to Kumamoto?
Roughly 75 kg CO2 per passenger one-way. That's about the same as driving 375 km.
Is the return flight from Kumamoto to Seoul 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 Seoul to Kumamoto?
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 Incheon International Airport for this flight?
3 hours before departure for international flights. You need time for check-in, security, and immigration.