Are there nonstop flights from Kota Kinabalu (BKI) to Osaka (KIX)?

No. The fastest connection is via Manila, about 5h 24m of total flying time.

What is the fastest connection from Kota Kinabalu (BKI) to Osaka (KIX)?

via Manila ≈ 5h 24m, via Fukuoka ≈ 5h 33m, via Taipei ≈ 5h 35m (estimated flying time, excluding layovers).

from 19,000 ANA miles, from 37,000 JAL miles (economy, one way, based on the published award charts).

Kota Kinabalu International Airport (BKI) to Kansai International Airport (KIX)・3,732 km

No nonstop flights. The fastest connection is via Manila (MNL), about 5h 24m of flying time (layover not included).

With milesANA 19,000 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.