Are there nonstop flights from Bangkok (BKK) to Brisbane (BNE)?

Yes. Jetstar Airways fly this route. Flight time is about 9h 2m.

What is the fastest connection from Bangkok (BKK) to Brisbane (BNE)?

via Ho Chi Minh City ≈ 9h 34m, via Bali (Denpasar) ≈ 9h 46m, via Singapore ≈ 9h 54m (estimated flying time, excluding layovers).

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

Suvarnabhumi Airport (BKK) to Brisbane International Airport (BNE)・7,260 km

Nonstop flights available (1 airline). Flight time about 9h 2m. Nonstop return flights also operate.

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

16 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.