AirHint found the following cheapest return flights from Seoul (ICN) to Perth (PER) in September 2026 (see full year).

Return flights

02 Sep - 12 Sep	Scoot
05 Sep - 12 Sep	Scoot
02 Sep - 04 Sep	Scoot
12 Sep - 19 Sep	Scoot
10 Sep - 17 Sep	Scoot
19 Sep - 29 Sep	Scoot
30 Sep - 06 Oct	AirAsia X
24 Sep - 04 Oct	AirAsia X
02 Sep - 23 Sep	Scoot
20 Sep - 24 Sep	Scoot
27 Sep - 05 Oct	Philippine Airlines
20 Sep - 25 Sep	Vietnam Airlines
21 Sep - 24 Sep	Scoot
23 Sep - 10 Oct	AirAsia X
28 Sep - 05 Oct	AirAsia X
24 Sep - 03 Oct	AirAsia X
25 Sep - 03 Oct	AirAsia X
23 Sep - 03 Oct	Thai Airways

Also check the deals for one-way flights from Seoul to Perth 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 Seoul to Perth in September from 322€

Return flights