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

Return flights

11 Dec - 08 Jan	Jetstar	direct
04 Dec - 07 Jan	Jetstar
05 Dec - 08 Jan	Jetstar
25 Dec - 22 Jan	VietJet Air
16 Dec - 22 Jan	China Southern
23 Dec - 23 Jan	China Southern
02 Dec - 09 Dec	Jetstar
23 Dec - 21 Jan	China Southern
23 Dec - 06 Jan	China Southern
25 Dec - 10 Jan	Jetstar	direct
02 Dec - 07 Dec	Jetstar
06 Dec - 11 Dec	Jetstar	direct
29 Dec - 13 Jan	Jetstar
02 Dec - 11 Dec	Jetstar	direct
06 Dec - 08 Dec	Jetstar
06 Dec - 16 Dec	Jetstar	direct
02 Dec - 09 Dec	Jetstar	direct
04 Dec - 13 Dec	Jetstar	direct
11 Dec - 16 Dec	Jetstar	direct
09 Dec - 18 Dec	Jetstar	direct

Also check the deals for one-way flights from Seoul to Brisbane 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 Brisbane in December from $456

Return flights