The flight distance from Incheon International Airport (ICN) in Seoul, South Korea to Iwakuni Marine Corps Air Station (IWK) in Iwakuni, Japan is 640 kilometers (398 miles / 346 nautical miles). The estimated flight time for this route is approximately 2h, flying east southeast at a heading of 124°.

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 16:16 in Seoul, it's 16:16 in Iwakuni.

The return flight from Iwakuni (IWK) to Seoul (ICN) follows a heading of 307° (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 Iwakuni Marine Corps Air Station (IWK) detail pages, or use our flight duration calculator to compare other routes.