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

Return flights

18 Mar - 21 Mar	Thai AirAsia
18 Mar - 25 Mar	Thai AirAsia
16 Mar - 23 Mar	Thai AirAsia
20 Mar - 25 Mar	Thai AirAsia
14 Mar - 22 Mar	Thai AirAsia
13 Mar - 18 Mar	Thai AirAsia
03 Mar - 08 Mar	Thai AirAsia
31 Mar - 18 Apr	Thai AirAsia
14 Mar - 29 Mar	Thai AirAsia
12 Mar - 29 Mar	Thai AirAsia
05 Mar - 09 Mar	Thai AirAsia
31 Mar - 19 Apr	Thai AirAsia
30 Mar - 18 Apr	AirAsia
30 Mar - 19 Apr	AirAsia
14 Mar - 01 Apr	Thai AirAsia
12 Mar - 01 Apr	Thai AirAsia
30 Mar - 01 Apr	AirAsia
15 Mar - 01 Apr	AirAsia
22 Mar - 01 Apr	AirAsia
31 Mar - 17 Apr	Thai 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 $397

Return flights