Are there nonstop flights from Sydney (SYD) to Kota Kinabalu (BKI)?

No. The fastest connection is via Jakarta, about 9h 30m of total flying time.

What is the fastest connection from Sydney (SYD) to Kota Kinabalu (BKI)?

via Jakarta ≈ 9h 30m, via Manila ≈ 9h 40m, via Singapore ≈ 10h 5m (estimated flying time, excluding layovers).

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

Sydney Kingsford Smith International Airport (SYD) to Kota Kinabalu International Airport (BKI)・5,770 km

No nonstop flights. The fastest connection is via Jakarta (CGK), about 9h 30m of flying time (layover not included).

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

None.

15 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.