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

Return flights

22 Dec - 14 Jan	Scoot
23 Dec - 04 Jan	VietJet Air
22 Dec - 13 Jan	AirAsia X
22 Dec - 04 Jan	Scoot
23 Dec - 31 Dec	VietJet Air
23 Dec - 20 Jan	AirAsia X
24 Dec - 09 Jan	VietJet Air
22 Dec - 31 Dec	Scoot
22 Dec - 05 Jan	Scoot
22 Dec - 01 Jan	Scoot
24 Dec - 11 Jan	Scoot
24 Dec - 01 Jan	VietJet Air
22 Dec - 29 Dec	Scoot
22 Dec - 30 Dec	Scoot
24 Dec - 29 Dec	Air China
23 Dec - 29 Dec	VietJet Air
24 Dec - 30 Dec	Air China
24 Dec - 28 Dec	Scoot
26 Dec - 30 Dec	Air China
23 Dec - 28 Dec	VietJet Air

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 387€

Return flights