Are there nonstop flights from Bangkok (DMK) to Kuqa (KCA)?

No. The fastest connection is via Chengdu, about 5h 55m of total flying time.

What is the fastest connection from Bangkok (DMK) to Kuqa (KCA)?

via Chengdu ≈ 5h 55m, via Xi'an ≈ 6h 40m, via Wuhan ≈ 7h 20m (estimated flying time, excluding layovers).

Don Mueang International Airport (DMK) to Kuqa Qiuci Airport (KCA)・3,530 km

No nonstop flights. The fastest connection is via Chengdu (TFU), about 5h 55m of flying time (layover not included).

None.

5 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.