AirHint found the following cheapest return flights from Seoul (ICN) to Perth (PER) in October 2025 (see full year).

Return flights

31 Oct - 05 Nov	Batik Air Malaysia
22 Oct - 29 Oct	Scoot
28 Oct - 03 Nov	AirAsia X
20 Oct - 27 Oct	Scoot
21 Oct - 28 Oct	Jeju Air
24 Oct - 28 Oct	Jeju Air
31 Oct - 04 Nov	Scoot
19 Oct - 28 Oct	Scoot
17 Oct - 20 Oct	Batik Air Malaysia
28 Oct - 01 Nov	AirAsia X
28 Oct - 07 Nov	AirAsia X
28 Oct - 04 Nov	AirAsia X
18 Oct - 21 Oct	Scoot
28 Oct - 13 Nov	AirAsia X
28 Oct - 09 Nov	AirAsia X
28 Oct - 14 Nov	AirAsia X
28 Oct - 06 Nov	AirAsia X
15 Oct - 28 Oct	Scoot
20 Oct - 26 Oct	Thai VietJet Air
22 Oct - 26 Oct	Thai VietJet Air

Also check the deals for one-way flights from Seoul to Perth 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 Seoul to Perth in October from $392

Return flights