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

Return flights

03 Sep - 10 Sep	Air India
02 Sep - 09 Sep	Air India
03 Sep - 09 Sep	Air India
01 Sep - 30 Sep	Air India
02 Sep - 18 Sep	Air India
02 Sep - 20 Sep	Air India
04 Sep - 19 Sep	Air India
07 Sep - 15 Sep	Turkish Airlines
12 Sep - 26 Sep	Air India
21 Sep - 26 Oct	Etihad Airways
07 Sep - 30 Sep	Scoot Tigerair
10 Sep - 15 Oct	Turkish Airlines
18 Sep - 06 Oct	China Eastern
18 Sep - 11 Oct	Air India
10 Sep - 02 Oct	China Southern
08 Sep - 01 Oct	China Southern
08 Sep - 02 Oct	China Southern
07 Sep - 05 Oct	Garuda Indonesia
19 Sep - 26 Oct	Etihad Airways
24 Sep - 05 Oct	Air India

Also check the deals for one-way flights from Sydney to Amsterdam in September.

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 Sydney to Amsterdam in September from $998

Return flights