The flight distance from Incheon International Airport (ICN) in Seoul, South Korea to Sihanoukville International Airport (KOS) in Sihanukville, Cambodia is 3,760 kilometers (2,336 miles / 2,030 nautical miles). The estimated flight time for this route is approximately 5h, flying southwest at a heading of 223°.

This is a medium-haul route that may be operated by either narrow-body or wide-body aircraft depending on demand. Passengers can expect a meal service on most carriers.

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

Time zone information: When it's 09:02 in Seoul, it's 07:02 in Sihanukville.

The return flight from Sihanukville (KOS) to Seoul (ICN) follows a heading of 34° (north northeast). 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 Sihanoukville International Airport (KOS) detail pages, or use our flight duration calculator to compare other routes.