Are there nonstop flights from Louisville (SDF) to Belize City (BZE)?

No. The fastest connection is via Atlanta, about 3h 46m of total flying time.

What is the fastest connection from Louisville (SDF) to Belize City (BZE)?

via Atlanta ≈ 3h 46m, via Charlotte ≈ 4h 6m, via Miami ≈ 4h 11m (estimated flying time, excluding layovers).

from 15,000 JAL miles, from 30,000 ANA miles (economy, one way, based on the published award charts).

Louisville Muhammad Ali International Airport (SDF) to Philip S. W. Goldson International Airport (BZE)・2,308 km

No nonstop flights. The fastest connection is via Atlanta (ATL), about 3h 46m of flying time (layover not included).

With milesJAL 15,000 miles+ (via CLT)ANA 30,000 miles+ (via DEN)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

12 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.