The flight distance from Ulanhot Airport (HLH) in Ulanhot, China to Tribhuvan International Airport (KTM) in Kathmandu, Nepal is 3,802 kilometers (2,362 miles / 2,053 nautical miles). The estimated flight time for this route is approximately 5h, flying west southwest at a heading of 250°.

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

Time zone information: When it's 23:14 in Ulanhot, it's 20:59 in Kathmandu.

There is a significant elevation difference of 4,390 feet between the two airports. Tribhuvan International Airport sits higher than Ulanhot Airport.

The return flight from Kathmandu (KTM) to Ulanhot (HLH) follows a heading of 47° (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 Ulanhot Airport (HLH) and Tribhuvan International Airport (KTM) detail pages, or use our flight duration calculator to compare other routes.