Are there nonstop flights from San Francisco (SFO) to Hanoi (HAN)?

No. The fastest connection is via Wuhan, about 14h 50m of total flying time.

What is the fastest connection from San Francisco (SFO) to Hanoi (HAN)?

via Wuhan ≈ 14h 50m, via Seoul ≈ 14h 50m, via Shanghai ≈ 14h 54m (estimated flying time, excluding layovers).

from 27,500 ANA miles, from 45,000 JAL miles (economy, one way, based on the published award charts).

San Francisco International Airport (SFO) to Noi Bai International Airport (HAN)・11,758 km

No nonstop flights. The fastest connection is via Wuhan (WUH), about 14h 50m of flying time (layover not included).

With milesANA 27,500 miles+ (via NRT)JAL 45,000 miles+ (via ICN)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

25 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.