The flight distance from Licenciado Benito Juarez International Airport (MEX) in Mexico City, Mexico to Buyant-Ukhaa International Airport (ULN) in Ulan Bator, Mongolia is 12,103 kilometers (7,520 miles / 6,535 nautical miles). The estimated flight time for this route is approximately 15h, flying north northwest at a heading of 342°.

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 Mexico with Mongolia. It is an intercontinental flight between North America and Asia. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 18:21 in Mexico City, it's 08:21 in Ulan Bator. With a 14-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 2,952 feet between the two airports. Buyant-Ukhaa International Airport sits lower than Licenciado Benito Juarez International Airport. Travelers arriving at the higher-elevation airport should be aware of potential altitude effects.

The return flight from Ulan Bator (ULN) to Mexico City (MEX) follows a heading of 26° (north 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 Licenciado Benito Juarez International Airport (MEX) and Buyant-Ukhaa International Airport (ULN) detail pages, or use our flight duration calculator to compare other routes.