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

Return flights

06 Apr - 13 Apr	AirAsia
05 Apr - 13 Apr	AirAsia
30 Apr - 05 May	Thai AirAsia
02 Apr - 19 Apr	Thai AirAsia
30 Apr - 10 May	Thai AirAsia
30 Apr - 12 May	Thai AirAsia
30 Apr - 20 May	Thai AirAsia
02 Apr - 21 Apr	Thai AirAsia
03 Apr - 19 Apr	AirAsia
01 Apr - 19 Apr	AirAsia
22 Apr - 05 May	AirAsia
22 Apr - 28 Apr	AirAsia
22 Apr - 10 May	AirAsia
22 Apr - 12 May	AirAsia
22 Apr - 25 Apr	AirAsia
03 Apr - 21 Apr	AirAsia
01 Apr - 21 Apr	AirAsia
19 Apr - 03 May	Thai AirAsia
27 Apr - 10 May	AirAsia
27 Apr - 12 May	AirAsia

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

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 April from $523

Return flights