Are there nonstop flights from Sendai (SDJ) to Bangkok (DMK)?

No. The fastest connection is via Fukuoka, about 6h 39m of total flying time.

What is the fastest connection from Sendai (SDJ) to Bangkok (DMK)?

via Fukuoka ≈ 6h 39m, via Shanghai ≈ 6h 39m, via Hong Kong ≈ 6h 39m (estimated flying time, excluding layovers).

Sendai Airport (SDJ) to Don Mueang International Airport (DMK)・4,788 km

No nonstop flights. The fastest connection is via Fukuoka (FUK), about 6h 39m of flying time (layover not included).

None.

9 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.