Are there nonstop flights from Busan (PUS) to Ho Chi Minh City (SGN)?

Yes. VietJet Air, Vietnam Airlines fly this route. Flight time is about 4h 39m.

What is the fastest connection from Busan (PUS) to Ho Chi Minh City (SGN)?

via Xiamen ≈ 5h 9m, via Hong Kong ≈ 5h 9m, via Shanghai ≈ 5h 11m (estimated flying time, excluding layovers).

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

Gimhae International Airport (PUS) to Tan Son Nhat International Airport (SGN)・3,523 km

Nonstop flights available (2 airlines). Flight time about 4h 39m. Nonstop return flights also operate.

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

32 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.