Are there nonstop flights from Kathmandu (KTM) to Perth (PER)?

No. The fastest connection is via Kuala Lumpur, about 9h 43m of total flying time.

What is the fastest connection from Kathmandu (KTM) to Perth (PER)?

via Kuala Lumpur ≈ 9h 43m, via Singapore ≈ 9h 46m, via Bangkok ≈ 9h 53m (estimated flying time, excluding layovers).

from 23,000 ANA miles, from 37,000 JAL miles (economy, one way, based on the published award charts).

Tribhuvan International Airport (KTM) to Perth International Airport (PER)・7,380 km

No nonstop flights. The fastest connection is via Kuala Lumpur (KUL), about 9h 43m of flying time (layover not included).

With milesANA 23,000 miles+ (via SIN)JAL 37,000 miles+ (via KUL)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

8 one-stop options, sorted by estimated flying time. Tap one to see the airlines on each leg and booking links.

Times are estimated from distance. Check schedules, frequency and availability with the airline or a booking site.