The flight distance from Juan Santamaria International Airport (SJO) in San Jose, Costa Rica to Buyant-Ukhaa International Airport (ULN) in Ulan Bator, Mongolia is 13,494 kilometers (8,385 miles / 7,286 nautical miles). The estimated flight time for this route is approximately 17h, flying north at a heading of 351°.

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 Costa Rica 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 19:25 in San Jose, it's 09:25 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 1,343 feet between the two airports. Buyant-Ukhaa International Airport sits higher than Juan Santamaria International Airport.

The return flight from Ulan Bator (ULN) to San Jose (SJO) follows a heading of 13° (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 Juan Santamaria International Airport (SJO) and Buyant-Ukhaa International Airport (ULN) detail pages, or use our flight duration calculator to compare other routes.