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

Return flights

08 Sep - 15 Sep	AirAsia
08 Sep - 23 Sep	AirAsia
15 Sep - 22 Sep	Scoot Tigerair
10 Sep - 17 Sep	AirAsia
17 Sep - 23 Sep	Scoot Tigerair
05 Sep - 13 Sep	Scoot Tigerair
12 Sep - 15 Sep	AirAsia
22 Sep - 24 Sep	Scoot Tigerair
09 Sep - 18 Sep	Scoot Tigerair
04 Sep - 23 Sep	AirAsia
09 Sep - 15 Oct	Jetstar
26 Sep - 23 Oct	Batik Air Malaysia
17 Sep - 16 Oct	Scoot Tigerair
30 Sep - 20 Oct	AirAsia
30 Sep - 21 Oct	AirAsia
26 Sep - 13 Oct	Scoot Tigerair
30 Sep - 17 Oct	AirAsia
30 Sep - 09 Oct	AirAsia
30 Sep - 13 Oct	AirAsia
30 Sep - 12 Oct	AirAsia

Also check the deals for one-way flights from Perth to Seoul 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 Perth to Seoul in September from 300€

Return flights