Are there nonstop flights from Milan (MXP) to Chiang Mai (CNX)?

No. The fastest connection is via Abu Dhabi, about 11h 58m of total flying time.

What is the fastest connection from Milan (MXP) to Chiang Mai (CNX)?

via Abu Dhabi ≈ 11h 58m, via Hanoi ≈ 12h 20m, via Bangkok ≈ 12h 23m (estimated flying time, excluding layovers).

from 29,500 ANA miles, from 45,000 JAL miles (economy, one way, based on the published award charts).

Milan Malpensa International Airport (MXP) to Chiang Mai International Airport (CNX)・8,547 km

No nonstop flights. The fastest connection is via Abu Dhabi (AUH), about 11h 58m of flying time (layover not included).

With milesANA 29,500 miles+ (via BKK)JAL 45,000 miles+ (via PVG)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

13 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.