Cheapest one-way flights from Bangkok to Sydney in September from $178

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

One-Way flights

21 Sep Thai AirAsia
18 Sep Thai AirAsia
20 Sep Thai AirAsia
22 Sep Thai AirAsia
26 Sep Thai AirAsia
25 Sep Thai AirAsia
30 Sep Batik Air Malaysia

Also check the deals for return 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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