Are there nonstop flights from Istanbul (IST) to Belize City (BZE)?

No. The fastest connection is via Miami, about 13h 43m of total flying time.

What is the fastest connection from Istanbul (IST) to Belize City (BZE)?

via Miami ≈ 13h 43m, via Cancún ≈ 13h 45m, via Newark ≈ 13h 53m (estimated flying time, excluding layovers).

from 35,000 ANA miles (economy, one way, based on the published award charts).

İstanbul Airport (IST) to Philip S. W. Goldson International Airport (BZE)・10,818 km

No nonstop flights. The fastest connection is via Miami (MIA), about 13h 43m of flying time (layover not included).

With milesANA 35,000 miles+ (via EWR)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

14 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.