Are there nonstop flights from Bangkok (DMK) to Sydney (SYD)?

No. The fastest connection is via Ho Chi Minh City, about 9h 55m of total flying time.

What is the fastest connection from Bangkok (DMK) to Sydney (SYD)?

via Ho Chi Minh City ≈ 9h 55m, via Bali (Denpasar) ≈ 9h 57m, via Singapore ≈ 10h 6m (estimated flying time, excluding layovers).

Don Mueang International Airport (DMK) to Sydney Kingsford Smith International Airport (SYD)・7,544 km

No nonstop flights. The fastest connection is via Ho Chi Minh City (SGN), about 9h 55m of flying time (layover not included).

None.

28 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.