Cheapest one-way flights from Bangkok to Sydney in September from $215

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

AirHint found the following cheapest one-way flights from Bangkok (DMK) to Sydney (SYD) in September 2025 (see full year).

One-Way flights

24 Sep AirAsia
20 Sep Thai AirAsia X direct
08 Sep Thai AirAsia X direct
01 Sep Thai AirAsia
03 Sep Thai AirAsia
29 Sep Thai AirAsia X direct
27 Sep Thai AirAsia X direct
10 Sep AirAsia
11 Sep AirAsia
25 Sep AirAsia

Also check the deals for return flights from Bangkok to Sydney in September.

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.

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