AirHint found the following cheapest return flights from Bangkok (DMK) to Sydney (SYD) in January 2026 (see full year).

Return flights

24 Jan - 11 Feb	AirAsia
23 Jan - 11 Feb	Thai Lion Air
26 Jan - 01 Feb	AirAsia
26 Jan - 28 Jan	AirAsia
26 Jan - 04 Feb	AirAsia
26 Jan - 02 Feb	AirAsia
26 Jan - 10 Feb	AirAsia
26 Jan - 09 Feb	AirAsia
23 Jan - 25 Jan	AirAsia
23 Jan - 01 Feb	AirAsia
26 Jan - 03 Feb	AirAsia
23 Jan - 28 Jan	AirAsia
23 Jan - 26 Jan	AirAsia
23 Jan - 27 Jan	AirAsia
19 Jan - 25 Jan	AirAsia
15 Jan - 25 Jan	AirAsia
27 Jan - 01 Feb	AirAsia
19 Jan - 28 Jan	AirAsia
19 Jan - 26 Jan	AirAsia
19 Jan - 21 Jan	AirAsia

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

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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Cheapest return flights from Bangkok to Sydney in January from $601

Return flights