Are there nonstop flights from London (LGW) to Perth (PER)?

No. The fastest connection is via Dubai, about 18h 4m of total flying time.

What is the fastest connection from London (LGW) to Perth (PER)?

via Dubai ≈ 18h 4m, via Doha ≈ 18h 7m, via Paris ≈ 18h 9m (estimated flying time, excluding layovers).

from 40,000 ANA miles, from 47,000 JAL miles (economy, one way, based on the published award charts).

London Gatwick Airport (LGW) to Perth International Airport (PER)・14,487 km

No nonstop flights. The fastest connection is via Dubai (DXB), about 18h 4m of flying time (layover not included).

With milesANA 40,000 miles+ (via SIN)JAL 47,000 miles+ (via DXB)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

9 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.