The flight distance from Incheon International Airport (ICN) in Seoul, South Korea to Buyant-Ukhaa International Airport (ULN) in Ulan Bator, Mongolia is 1,971 kilometers (1,224 miles / 1,064 nautical miles). The estimated flight time for this route is approximately 3h, flying northwest at a heading of 312°.

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

Time zone information: When it's 14:06 in Seoul, it's 13:06 in Ulan Bator.

There is a significant elevation difference of 4,341 feet between the two airports. Buyant-Ukhaa International Airport sits higher than Incheon International Airport.

The return flight from Ulan Bator (ULN) to Seoul (ICN) follows a heading of 119° (east southeast). 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 Buyant-Ukhaa International Airport (ULN) detail pages, or use our flight duration calculator to compare other routes.