AirHint found the following cheapest return flights from Sydney (SYD) to Amsterdam (AMS) in September 2026 (see full year).

Return flights

16 Sep - 20 Sep	Turkish Airlines
29 Sep - 06 Oct	Air India
01 Sep - 22 Sep	Air India
01 Sep - 14 Sep	Air India
01 Sep - 30 Sep	Air India
01 Sep - 31 Oct	Air India
02 Sep - 15 Sep	Turkish Airlines
08 Sep - 06 Oct	Turkish Airlines
07 Sep - 17 Sep	Air India
08 Sep - 17 Sep	Air India
06 Sep - 17 Sep	Air India
19 Sep - 09 Oct	Air India
12 Sep - 10 Oct	Air India
19 Sep - 17 Oct	Air India
24 Sep - 01 Oct	Air India
01 Sep - 13 Oct	China Southern
19 Sep - 11 Oct	Air India
19 Sep - 10 Oct	Air India
12 Sep - 25 Sep	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 845€

Return flights