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

Return flights

08 Oct - 24 Oct	Scoot Tigerair
11 Oct - 18 Oct	Scoot Tigerair
25 Oct - 31 Oct	AirAsia X
15 Oct - 31 Oct	AirAsia X
24 Oct - 31 Oct	AirAsia X
08 Oct - 25 Oct	AirAsia X
15 Oct - 25 Oct	AirAsia X
08 Oct - 13 Oct	AirAsia X
08 Oct - 14 Oct	AirAsia X
15 Oct - 24 Oct	AirAsia X

Also check the deals for one-way flights from Sydney to Penang 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 Penang in October from $318

Return flights