Are there nonstop flights from Yangzhou (YTY) to Chiang Mai (CNX)?

No. The fastest connection is via Jinghong, about 4h 4m of total flying time.

What is the fastest connection from Yangzhou (YTY) to Chiang Mai (CNX)?

via Jinghong ≈ 4h 4m, via Kunming ≈ 4h 7m, via Chongqing ≈ 4h 13m (estimated flying time, excluding layovers).

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

Yangzhou Taizhou Airport (YTY) to Chiang Mai International Airport (CNX)・2,576 km

No nonstop flights. The fastest connection is via Jinghong (JHG), about 4h 4m of flying time (layover not included).

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

None.

10 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.