Are there nonstop flights from Hangzhou (HGH) to Vientiane (VTE)?

Yes. Lao Airlines fly this route. Flight time is about 3h 10m.

What is the fastest connection from Hangzhou (HGH) to Vientiane (VTE)?

via Nanning ≈ 3h 40m, via Hanoi ≈ 3h 40m, via Guangzhou ≈ 3h 42m (estimated flying time, excluding layovers).

from 15,000 JAL miles, from 18,000 ANA miles (economy, one way, based on the published award charts).

Hangzhou Xiaoshan International Airport (HGH) to Wattay International Airport (VTE)・2,262 km

Nonstop flights available (1 airline). Flight time about 3h 10m. Nonstop return flights also operate.

With milesJAL 15,000 miles+ (via WUH)ANA 18,000 miles+ (via BKK)Economy, one way, estimate. Tap a connection for miles by cabin.

24 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.