The flight distance from Incheon International Airport (ICN) in Seoul, South Korea to Kumamoto Airport (KMJ) in Kumamoto, Japan is 652 kilometers (405 miles / 352 nautical miles). The estimated flight time for this route is approximately 2h, flying southeast at a heading of 141°.

This is a short-haul route typically served by narrow-body aircraft such as the Boeing 737 or Airbus A320 family. In-flight service is usually limited to drinks and light snacks.

This is an international route connecting South Korea with Japan. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 19:49 in Seoul, it's 19:49 in Kumamoto.

The return flight from Kumamoto (KMJ) to Seoul (ICN) follows a heading of 323° (northwest). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Incheon International Airport (ICN) and Kumamoto Airport (KMJ) detail pages, or use our flight duration calculator to compare other routes.