Are there nonstop flights from Weihai (WEH) to Bangkok (BKK)?

No. The fastest connection is via Nanjing, about 5h of total flying time.

What is the fastest connection from Weihai (WEH) to Bangkok (BKK)?

via Nanjing ≈ 5h, via Yangzhou ≈ 5h 1m, via Guangzhou ≈ 5h 4m (estimated flying time, excluding layovers).

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

Weihai Dashuibo Airport (WEH) to Suvarnabhumi Airport (BKK)・3,371 km

No nonstop flights. The fastest connection is via Nanjing (NKG), about 5h of flying time (layover not included).

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

None.

17 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.