The flight distance from Christchurch International Airport (CHC) in Christchurch, New Zealand to Buyant-Ukhaa International Airport (ULN) in Ulan Bator, Mongolia is 12,017 kilometers (7,467 miles / 6,489 nautical miles). The estimated flight time for this route is approximately 15h, flying northwest at a heading of 320°.

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

Time zone information: When it's 17:38 in Christchurch, it's 13:38 in Ulan Bator. The 4-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

There is a significant elevation difference of 4,241 feet between the two airports. Buyant-Ukhaa International Airport sits higher than Christchurch International Airport.

The return flight from Ulan Bator (ULN) to Christchurch (CHC) follows a heading of 136° (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 Christchurch International Airport (CHC) and Buyant-Ukhaa International Airport (ULN) detail pages, or use our flight duration calculator to compare other routes.