The flight distance from Incheon International Airport (ICN) in Seoul, South Korea to Ranong Airport (UNN) in Ranong Airport, Thailand is 4,154 kilometers (2,581 miles / 2,243 nautical miles). The estimated flight time for this route is approximately 6h, flying southwest at a heading of 229°.

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

Time zone information: When it's 10:48 in Seoul, it's 08:48 in Ranong Airport.

The return flight from Ranong Airport (UNN) to Seoul (ICN) follows a heading of 38° (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 Ranong Airport (UNN) detail pages, or use our flight duration calculator to compare other routes.