Cheapest return flights from Sydney to Bangkok in September from 298€

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

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

Return flights

01 Sep - 04 Sep Scoot Tigerair
01 Sep - 07 Sep Scoot Tigerair
02 Sep - 10 Sep Scoot Tigerair
04 Sep - 09 Sep Scoot Tigerair
03 Sep - 13 Sep Scoot Tigerair
08 Sep - 22 Sep Scoot Tigerair
22 Sep - 17 Oct Scoot Tigerair
16 Sep - 23 Sep Scoot Tigerair
17 Sep - 23 Oct Scoot Tigerair
29 Sep - 16 Oct Scoot Tigerair
10 Sep - 15 Sep Scoot Tigerair
08 Sep - 20 Sep Scoot Tigerair
05 Sep - 16 Sep Scoot Tigerair
29 Sep - 19 Oct Scoot Tigerair
30 Sep - 05 Oct Scoot Tigerair
15 Sep - 13 Oct Scoot Tigerair
15 Sep - 06 Oct Scoot Tigerair
01 Sep - 31 Oct Malaysia Airlines
23 Sep - 14 Oct Scoot Tigerair
16 Sep - 02 Oct Scoot Tigerair

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

Book a cheap hotel in Bangkok

Cheap car rent in Bangkok