Are there nonstop flights from Dushanbe (DYU) to Bangkok (BKK)?

No. The fastest connection is via Islamabad, about 6h of total flying time.

What is the fastest connection from Dushanbe (DYU) to Bangkok (BKK)?

via Islamabad ≈ 6h, via New Delhi ≈ 6h 3m, via Tashkent ≈ 6h 26m (estimated flying time, excluding layovers).

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

Dushanbe International Airport (DYU) to Suvarnabhumi Airport (BKK)・4,180 km

No nonstop flights. The fastest connection is via Islamabad (ISB), about 6h of flying time (layover not included).

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

None.

15 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.