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

Return flights

13 Mar - 21 Mar	Thai AirAsia
05 Mar - 10 Mar	AirAsia
03 Mar - 10 Mar	AirAsia
10 Mar - 28 Mar	AirAsia
12 Mar - 31 Mar	AirAsia
12 Mar - 28 Mar	AirAsia
17 Mar - 31 Mar	AirAsia
17 Mar - 28 Mar	AirAsia
01 Mar - 10 Mar	AirAsia
06 Mar - 10 Mar	AirAsia
31 Mar - 19 Apr	AirAsia
12 Mar - 01 Apr	AirAsia
17 Mar - 01 Apr	AirAsia
13 Mar - 01 Apr	AirAsia
15 Mar - 01 Apr	AirAsia
16 Mar - 01 Apr	AirAsia
26 Mar - 01 Apr	AirAsia
24 Mar - 01 Apr	AirAsia
23 Mar - 01 Apr	AirAsia
31 Mar - 08 Apr	AirAsia

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

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 March from $383

Return flights