The flight distance from Tribhuvan International Airport (KTM) in Kathmandu, Nepal to Katukurunda Airport (KTY) in Kalutara, Sri Lanka is 2,419 kilometers (1,503 miles / 1,306 nautical miles). The estimated flight time for this route is approximately 4h, flying south southwest at a heading of 195°.

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

Time zone information: When it's 16:45 in Kathmandu, it's 16:30 in Kalutara.

There is a significant elevation difference of 4,380 feet between the two airports. Katukurunda Airport sits lower than Tribhuvan International Airport.

The return flight from Kalutara (KTY) to Kathmandu (KTM) follows a heading of 13° (north northeast). 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 Katukurunda Airport (KTY) detail pages, or use our flight duration calculator to compare other routes.