Are there nonstop flights from Chiang Mai (CNX) to Hefei (HFE)?

No. The fastest connection is via Jinghong, about 3h 46m of total flying time.

What is the fastest connection from Chiang Mai (CNX) to Hefei (HFE)?

via Jinghong ≈ 3h 46m, via Kunming ≈ 3h 49m, via Chongqing ≈ 3h 54m (estimated flying time, excluding layovers).

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

Chiang Mai International Airport (CNX) to Hefei Xinqiao International Airport (HFE)・2,325 km

No nonstop flights. The fastest connection is via Jinghong (JHG), about 3h 46m of flying time (layover not included).

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

None.

11 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.