The flight distance from Jeju International Airport (CJU) in Jeju City, South Korea to Incheon International Airport (ICN) in Seoul, South Korea is 440 kilometers (274 miles / 238 nautical miles). The estimated flight time for this route is approximately 2h, flying north at a heading of 360°.

This is a short regional route, typically operated by turboprop or small regional jet aircraft. Flight time is minimal and passengers can expect a quick, efficient journey.

This is a domestic route within South Korea. Both airports operate in the same country, which may simplify travel requirements and documentation.

Time zone information: When it's 00:34 in Jeju City, it's 00:34 in Seoul.

The return flight from Seoul (ICN) to Jeju City (CJU) follows a heading of 180° (south). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

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