AirHint found the following cheapest return flights from Sydney (SYD) to Brussels (BRU) in October 2025 (see full year).

Return flights

20 Oct - 27 Oct	Scoot
17 Oct - 19 Oct	Turkish Airlines
17 Oct - 29 Oct	Turkish Airlines
16 Oct - 28 Oct	Turkish Airlines
21 Oct - 28 Oct	Turkish Airlines
09 Oct - 16 Oct	AirAsia X
08 Oct - 14 Oct	Air Canada
17 Oct - 24 Oct	Turkish Airlines
13 Oct - 18 Oct	Air Canada
16 Oct - 25 Oct	Cathay Pacific

Also check the deals for one-way flights from Sydney to Brussels in October.

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 Brussels in October from $955

Return flights