The flight distance from Incheon International Airport (ICN) in Seoul, South Korea to Khost Airport (KHT) in Khost, Afghanistan is 5,065 kilometers (3,147 miles / 2,735 nautical miles). The estimated flight time for this route is approximately 7h, flying west northwest at a heading of 283°.

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 Afghanistan. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 23:45 in Seoul, it's 19:15 in Khost. The 4.5-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

There is a significant elevation difference of 3,733 feet between the two airports. Khost Airport sits higher than Incheon International Airport.

The return flight from Khost (KHT) to Seoul (ICN) follows a heading of 68° (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 Khost Airport (KHT) detail pages, or use our flight duration calculator to compare other routes.