The flight distance from Incheon International Airport (ICN) in Seoul, South Korea to Thakhek Airport (THK) in Thakhek, Laos is 3,074 kilometers (1,910 miles / 1,660 nautical miles). The estimated flight time for this route is approximately 5h, flying southwest at a heading of 229°.

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

Time zone information: When it's 02:09 in Seoul, it's 00:09 in Thakhek.

The return flight from Thakhek (THK) to Seoul (ICN) follows a heading of 39° (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 Thakhek Airport (THK) detail pages, or use our flight duration calculator to compare other routes.