Are there nonstop flights from Osaka (KIX) to Ho Chi Minh City (SGN)?

Yes. VietJet Air, Vietnam Airlines fly this route. Flight time is about 5h 6m.

What is the fastest connection from Osaka (KIX) to Ho Chi Minh City (SGN)?

via Taipei ≈ 5h 36m, via Kaohsiung ≈ 5h 36m, via Xiamen ≈ 5h 38m (estimated flying time, excluding layovers).

from 13,000 JAL miles, from 15,000 ANA miles (economy, one way, based on the published award charts).

Kansai International Airport (KIX) to Tan Son Nhat International Airport (SGN)・3,910 km

Nonstop flights available (2 airlines). Flight time about 5h 6m. Nonstop return flights also operate.

With milesJAL 13,000 miles+ (via HND)ANA 15,000 miles+ (via HND)Economy, one way, estimate. Tap a connection for miles by cabin.

29 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.