Are there nonstop flights from Naxos (JNX) to Milan (MXP)?

No. The fastest connection is via Athens, about 2h 58m of total flying time.

What is the fastest connection from Naxos (JNX) to Milan (MXP)?

via Athens ≈ 2h 58m, via Thessaloniki ≈ 3h 2m, via Heraklion ≈ 3h 21m (estimated flying time, excluding layovers).

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

Naxos Island National Airport (JNX) to Milan Malpensa International Airport (MXP)・1,678 km

No nonstop flights. The fastest connection is via Athens (ATH), about 2h 58m of flying time (layover not included).

With milesANA 15,000 miles+ (via SKG)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

4 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.