The flight distance from Suvarnabhumi Airport (BKK) in Bangkok, Thailand to Buyant-Ukhaa International Airport (ULN) in Ulan Bator, Mongolia is 3,839 kilometers (2,385 miles / 2,073 nautical miles). The estimated flight time for this route is approximately 6h, flying north at a heading of 7°.

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

Time zone information: When it's 08:31 in Bangkok, it's 09:31 in Ulan Bator.

There is a significant elevation difference of 4,359 feet between the two airports. Buyant-Ukhaa International Airport sits higher than Suvarnabhumi Airport.

The return flight from Ulan Bator (ULN) to Bangkok (BKK) follows a heading of 190° (south). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Suvarnabhumi Airport (BKK) and Buyant-Ukhaa International Airport (ULN) detail pages, or use our flight duration calculator to compare other routes.