The flight distance from Comodoro Arturo Merino Benitez International Airport (SCL) in Santiago, Chile to Buyant-Ukhaa International Airport (ULN) in Ulan Bator, Mongolia is 18,395 kilometers (11,430 miles / 9,933 nautical miles). The estimated flight time for this route is approximately 23h, flying north at a heading of 7°.

This is an ultra-long-haul route, one of the longest in aviation. It requires wide-body aircraft with extended range capability such as the Airbus A350-900ULR or Boeing 777-200LR. Passengers should prepare for an extended flight with multiple meal services.

This is an international route connecting Chile with Mongolia. It is an intercontinental flight between South America and Asia. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 22:55 in Santiago, it's 10:55 in Ulan Bator. With a 12-hour time difference, travelers should plan for significant jet lag. It typically takes one day per hour of time difference to fully adjust.

There is a significant elevation difference of 2,809 feet between the two airports. Buyant-Ukhaa International Airport sits higher than Comodoro Arturo Merino Benitez International Airport.

The return flight from Ulan Bator (ULN) to Santiago (SCL) follows a heading of 352° (north). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

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