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

Return flights

08 Dec - 15 Dec	Jetstar
05 Dec - 09 Dec	Indonesia AirAsia
03 Dec - 08 Dec	AirAsia
02 Dec - 09 Dec	AirAsia
03 Dec - 10 Dec	AirAsia
04 Dec - 14 Dec	Jetstar
01 Dec - 07 Dec	Jetstar
01 Dec - 08 Dec	Jetstar
04 Dec - 13 Dec	Jetstar
16 Dec - 20 Jan	AirAsia
16 Dec - 16 Jan	AirAsia
03 Dec - 12 Dec	Jetstar
01 Dec - 23 Jan	Jetstar
29 Dec - 07 Jan	China Southern
11 Dec - 10 Jan	Indonesia AirAsia
29 Dec - 08 Jan	Scoot
30 Dec - 14 Jan	Scoot
31 Dec - 12 Jan	Scoot
05 Dec - 10 Jan	Scoot
09 Dec - 06 Jan	Jetstar

Also check the deals for one-way flights from Perth to Seoul 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 Perth to Seoul in December from 406€

Return flights