The flight distance from Incheon International Airport (ICN) in Seoul, South Korea to Kashan Airport (KKS) in Kashan Airport, Iran is 6,589 kilometers (4,094 miles / 3,558 nautical miles). The estimated flight time for this route is approximately 9h, flying west northwest at a heading of 291°.

This is a long-haul route typically operated by wide-body aircraft such as the Boeing 777 or Airbus A350. Full meal service, in-flight entertainment, and comfort amenities are standard.

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

Time zone information: When it's 12:12 in Seoul, it's 06:42 in Kashan Airport. The 5.5-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

There is a significant elevation difference of 3,442 feet between the two airports. Kashan Airport sits higher than Incheon International Airport.

The return flight from Kashan Airport (KKS) to Seoul (ICN) follows a heading of 63° (east 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 Kashan Airport (KKS) detail pages, or use our flight duration calculator to compare other routes.