Cheapest return flights from Bangkok to Sydney in August from $636

Best time to book flights for Bangkok (DMK) to Sydney (SYD) flights at AirHint

AirHint found the following cheapest return flights from Bangkok (DMK) to Sydney (SYD) in August 2025 (see full year).

Return flights

22 Aug - 26 Aug Thai AirAsia X
18 Aug - 26 Aug Thai AirAsia X
08 Aug - 26 Aug Thai AirAsia X
08 Aug - 12 Aug Thai AirAsia X
08 Aug - 18 Aug Thai AirAsia X
16 Aug - 26 Aug Thai AirAsia X
16 Aug - 18 Aug Thai AirAsia X
15 Aug - 26 Aug Thai AirAsia X
15 Aug - 18 Aug Thai AirAsia X
22 Aug - 09 Sep Thai AirAsia X direct
22 Aug - 01 Sep Thai AirAsia X direct
22 Aug - 26 Aug Thai AirAsia X direct
18 Aug - 01 Sep Thai AirAsia X direct
16 Aug - 01 Sep Thai AirAsia X direct
15 Aug - 01 Sep Thai AirAsia X direct
27 Aug - 09 Sep AirAsia
27 Aug - 01 Sep AirAsia
27 Aug - 15 Sep AirAsia
24 Aug - 09 Sep AirAsia
22 Aug - 10 Sep Thai AirAsia X

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

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.

Book a cheap hotel in Sydney

Cheap car rent in Sydney