Are there nonstop flights from Firenze (FLR) to Phuket (HKT)?

No. The fastest connection is via Zurich, about 12h 30m of total flying time.

What is the fastest connection from Firenze (FLR) to Phuket (HKT)?

via Zurich ≈ 12h 30m, via Frankfurt am Main ≈ 12h 47m, via Helsinki ≈ 13h 12m (estimated flying time, excluding layovers).

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

Florence Airport, Peretola (FLR) to Phuket International Airport (HKT)・9,153 km

No nonstop flights. The fastest connection is via Zurich (ZRH), about 12h 30m of flying time (layover not included).

With milesJAL 45,000 miles+ (via HEL)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

8 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.