The flight distance from Tribhuvan International Airport (KTM) in Kathmandu, Nepal to St. Lewis (Fox Harbour) Airport (YFX) in St. Lewis, Canada is 10,340 kilometers (6,425 miles / 5,583 nautical miles). The estimated flight time for this route is approximately 13h, flying north northwest at a heading of 337°.

This is an ultra-long-haul route, one of the longest in aviation. It requires wide-body aircraft with extended range capability such as the Airbus A350-900ULR or Boeing 777-200LR. Passengers should prepare for an extended flight with multiple meal services.

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

Time zone information: When it's 07:45 in Kathmandu, it's 23:30 in St. Lewis. With a 8.25-hour time difference, travelers should plan for significant jet lag. It typically takes one day per hour of time difference to fully adjust.

There is a significant elevation difference of 4,316 feet between the two airports. St. Lewis (Fox Harbour) Airport sits lower than Tribhuvan International Airport.

The return flight from St. Lewis (YFX) to Kathmandu (KTM) follows a heading of 34° (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 St. Lewis (Fox Harbour) Airport (YFX) detail pages, or use our flight duration calculator to compare other routes.