The flight distance from Cat Bi International Airport (HPH) in Haiphong, Vietnam to Tribhuvan International Airport (KTM) in Kathmandu, Nepal is 2,293 kilometers (1,425 miles / 1,238 nautical miles). The estimated flight time for this route is approximately 4h, flying west northwest at a heading of 294°.

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

Time zone information: When it's 08:44 in Haiphong, it's 07:29 in Kathmandu.

There is a significant elevation difference of 4,384 feet between the two airports. Tribhuvan International Airport sits higher than Cat Bi International Airport.

The return flight from Kathmandu (KTM) to Haiphong (HPH) follows a heading of 105° (east 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 Cat Bi International Airport (HPH) and Tribhuvan International Airport (KTM) detail pages, or use our flight duration calculator to compare other routes.