The flight distance from Tribhuvan International Airport (KTM) in Kathmandu, Nepal to Na-San Airport (SQH) in Son-La, Vietnam is 2,020 kilometers (1,255 miles / 1,090 nautical miles). The estimated flight time for this route is approximately 3h, flying east southeast at a heading of 107°.

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

Time zone information: When it's 07:37 in Kathmandu, it's 08:52 in Son-La.

There is a significant elevation difference of 2,257 feet between the two airports. Na-San Airport sits lower than Tribhuvan International Airport.

The return flight from Son-La (SQH) to Kathmandu (KTM) follows a heading of 295° (west northwest). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Tribhuvan International Airport (KTM) and Na-San Airport (SQH) detail pages, or use our flight duration calculator to compare other routes.