The flight distance from Hat Yai International Airport (HDY) in Hat Yai, Thailand to Tribhuvan International Airport (KTM) in Kathmandu, Nepal is 2,800 kilometers (1,740 miles / 1,512 nautical miles). The estimated flight time for this route is approximately 4h, flying north northwest at a heading of 327°.

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

Time zone information: When it's 09:43 in Hat Yai, it's 08:28 in Kathmandu.

There is a significant elevation difference of 4,300 feet between the two airports. Tribhuvan International Airport sits higher than Hat Yai International Airport.

The return flight from Kathmandu (KTM) to Hat Yai (HDY) follows a heading of 143° (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 Hat Yai International Airport (HDY) and Tribhuvan International Airport (KTM) detail pages, or use our flight duration calculator to compare other routes.