Are there nonstop flights from Milan (MXP) to Havana (HAV)?

Yes. Neos fly this route. Flight time is about 10h 15m.

What is the fastest connection from Milan (MXP) to Havana (HAV)?

via Miami ≈ 10h 46m, via Madrid ≈ 11h 8m, via Frankfurt am Main ≈ 11h 9m (estimated flying time, excluding layovers).

from 37,000 JAL miles (economy, one way, based on the published award charts).

Milan Malpensa International Airport (MXP) to José Martí International Airport (HAV)・8,289 km

Nonstop flights available (1 airline). Flight time about 10h 15m. Nonstop return flights also operate.

With milesJAL 37,000 miles+ (via MIA)Economy, one way, estimate. Tap a connection for miles by cabin.

5 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.