AirHint found the following cheapest return flights from Busan (PUS) to Sydney (SYD) in December 2025 (see full year).

Return flights

08 Dec - 11 Jan	Air China
18 Dec - 08 Jan	Air China
17 Dec - 30 Dec	Air China
18 Dec - 30 Dec	Air China
08 Dec - 10 Dec	China Eastern
02 Dec - 04 Dec	Jeju Air
30 Dec - 06 Jan	Jin Air
01 Dec - 04 Dec	Jeju Air
18 Dec - 27 Dec	Air China
18 Dec - 31 Dec	Air China
15 Dec - 22 Dec	Air China
15 Dec - 27 Dec	Air China
02 Dec - 08 Dec	Jeju Air
31 Dec - 14 Jan	Air China
26 Dec - 06 Jan	Air China
29 Dec - 07 Jan	Air China
31 Dec - 06 Jan	Air China
31 Dec - 13 Jan	Air China
29 Dec - 06 Jan	Air China
24 Dec - 03 Jan	Eastar Jet

Also check the deals for one-way flights from Busan to Sydney 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 Busan to Sydney in December from 490€

Return flights