Cheapest return flights from Bangkok to Sydney in September from $396

Best time to book flights for Bangkok (DMK) to Sydney (SYD) flights at AirHint

AirHint found the following cheapest return flights from Bangkok (DMK) to Sydney (SYD) in September 2025 (see full year).

Return flights

24 Sep - 14 Oct AirAsia
25 Sep - 14 Oct AirAsia
26 Sep - 14 Oct AirAsia
24 Sep - 11 Oct AirAsia
08 Sep - 11 Sep AirAsia
01 Sep - 11 Sep AirAsia
01 Sep - 04 Sep AirAsia
26 Sep - 16 Oct AirAsia
01 Sep - 05 Sep AirAsia
24 Sep - 07 Oct AirAsia
24 Sep - 01 Oct AirAsia
06 Sep - 11 Sep AirAsia
08 Sep - 14 Sep AirAsia
24 Sep - 04 Oct AirAsia
01 Sep - 14 Sep AirAsia
24 Sep - 10 Oct AirAsia
24 Sep - 03 Oct AirAsia
02 Sep - 11 Sep AirAsia
02 Sep - 04 Sep AirAsia
08 Sep - 18 Sep AirAsia

Also check the deals for one-way flights from Bangkok to Sydney in September.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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