Are there nonstop flights from Guangzhou (CAN) to Cairns (CNS)?

No. The fastest connection is via Port Moresby, about 8h 5m of total flying time.

What is the fastest connection from Guangzhou (CAN) to Cairns (CNS)?

via Port Moresby ≈ 8h 5m, via Darwin ≈ 8h 10m, via Bali (Denpasar) ≈ 9h 15m (estimated flying time, excluding layovers).

from 25,000 ANA miles (economy, one way, based on the published award charts).

Guangzhou Baiyun International Airport (CAN) to Cairns International Airport (CNS)・5,699 km

No nonstop flights. The fastest connection is via Port Moresby (POM), about 8h 5m of flying time (layover not included).

With milesANA 25,000 miles+ (via SIN)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

11 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.