The flight distance from Tribhuvan International Airport (KTM) in Kathmandu, Nepal to Singapore Changi International Airport (SIN) in Singapore, Singapore is 3,538 kilometers (2,198 miles / 1,910 nautical miles). The estimated flight time for this route is approximately 5h, flying southeast at a heading of 143°.

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 Singapore. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 11:40 in Kathmandu, it's 13:55 in Singapore.

There is a significant elevation difference of 4,368 feet between the two airports. Singapore Changi International Airport sits lower than Tribhuvan International Airport.

The return flight from Singapore (SIN) to Kathmandu (KTM) follows a heading of 328° (north 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 Singapore Changi International Airport (SIN) detail pages, or use our flight duration calculator to compare other routes.