The flight distance from Sigiriya Airport (GIU) in Sigiriya, Sri Lanka to Tribhuvan International Airport (KTM) in Kathmandu, Nepal is 2,248 kilometers (1,397 miles / 1,214 nautical miles). The estimated flight time for this route is approximately 4h, flying north northeast at a heading of 12°.

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

Time zone information: When it's 02:39 in Sigiriya, it's 02:54 in Kathmandu.

There is a significant elevation difference of 3,760 feet between the two airports. Tribhuvan International Airport sits higher than Sigiriya Airport.

The return flight from Kathmandu (KTM) to Sigiriya (GIU) follows a heading of 193° (south southwest). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

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