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

Return flights

01 Dec - 07 Dec	AirAsia X
02 Dec - 07 Dec	AirAsia X
10 Dec - 25 Jan	Scoot
10 Dec - 22 Jan	Jeju Air
01 Dec - 04 Dec	AirAsia X
01 Dec - 03 Dec	Jeju Air
05 Dec - 22 Jan	Malaysia Airlines
01 Dec - 05 Dec	Jeju Air
01 Dec - 09 Dec	Jeju Air
04 Dec - 07 Dec	Jeju Air
05 Dec - 07 Dec	Jeju Air
02 Dec - 05 Dec	AirAsia X
28 Dec - 25 Jan	Scoot
03 Dec - 07 Dec	Jeju Air
24 Dec - 03 Jan	China Eastern
12 Dec - 03 Jan	Thai AirAsia X
12 Dec - 02 Jan	Batik Air Malaysia
24 Dec - 04 Jan	China Eastern
22 Dec - 12 Jan	Scoot
25 Dec - 05 Jan	Scoot

Also check the deals for one-way flights from Seoul to Perth in December.

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 December from 284€

Return flights