Are there nonstop flights from Sydney (SYD) to Osaka (KIX)?

Yes. Jetstar Airways fly this route. Flight time is about 9h 39m.

What is the fastest connection from Sydney (SYD) to Osaka (KIX)?

via Cairns ≈ 10h 9m, via Brisbane ≈ 10h 16m, via Tokyo ≈ 10h 42m (estimated flying time, excluding layovers).

from 18,500 ANA miles, from 23,000 JAL miles (economy, one way, based on the published award charts).

Sydney Kingsford Smith International Airport (SYD) to Kansai International Airport (KIX)・7,782 km

Nonstop flights available (1 airline). Flight time about 9h 39m. Nonstop return flights also operate.

With milesANA 18,500 miles+ (via HND)JAL 23,000 miles+ (via HND)Economy, one way, estimate. Tap a connection for miles by cabin.

26 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.