The flight distance from Incheon International Airport (ICN) in Seoul, South Korea to U-Tapao International Airport (UTP) in Rayong, Thailand is 3,739 kilometers (2,323 miles / 2,019 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 Thailand. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 02:47 in Seoul, it's 00:47 in Rayong.

The return flight from Rayong (UTP) 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 U-Tapao International Airport (UTP) detail pages, or use our flight duration calculator to compare other routes.