Are there nonstop flights from Boston (BOS) to Dhaka (DAC)?

No. The fastest connection is via Toronto, about 16h 29m of total flying time.

What is the fastest connection from Boston (BOS) to Dhaka (DAC)?

via Toronto ≈ 16h 29m, via London ≈ 16h 36m, via Istanbul ≈ 17h 6m (estimated flying time, excluding layovers).

from 40,000 ANA miles, from 47,000 JAL miles (economy, one way, based on the published award charts).

Boston Logan International Airport (BOS) to Hazrat Shahjalal International Airport (DAC)・12,410 km

No nonstop flights. The fastest connection is via Toronto (YYZ), about 16h 29m of flying time (layover not included).

With milesANA 40,000 miles+ (via IST)JAL 47,000 miles+ (via DXB)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

10 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.