The flight distance from Tribhuvan International Airport (KTM) in Kathmandu, Nepal to Onslow Airport (ONS) in Onslow Airport, Australia is 6,353 kilometers (3,947 miles / 3,430 nautical miles). The estimated flight time for this route is approximately 8h, flying south southeast at a heading of 147°.

This is a long-haul route typically operated by wide-body aircraft such as the Boeing 777 or Airbus A350. Full meal service, in-flight entertainment, and comfort amenities are standard.

This is an international route connecting Nepal with Australia. It is an intercontinental flight between Asia and Oceania. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 06:58 in Kathmandu, it's 09:13 in Onslow Airport.

There is a significant elevation difference of 4,383 feet between the two airports. Onslow Airport sits lower than Tribhuvan International Airport.

The return flight from Onslow Airport (ONS) 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 Onslow Airport (ONS) detail pages, or use our flight duration calculator to compare other routes.