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

Return flights

01 Dec - 04 Dec	Air China
03 Dec - 06 Dec	Air China
04 Dec - 06 Dec	Air China
08 Dec - 10 Dec	China Eastern
18 Dec - 08 Jan	Air China
17 Dec - 31 Dec	Air China
01 Dec - 04 Jan	Air China
06 Dec - 07 Dec	VietJet Air
05 Dec - 07 Dec	Air China
03 Dec - 10 Dec	Air China
05 Dec - 13 Dec	Air China
03 Dec - 16 Dec	Air China
27 Dec - 06 Jan	Air China
27 Dec - 07 Jan	Air China
26 Dec - 06 Jan	Air China
23 Dec - 01 Jan	Air China
31 Dec - 08 Jan	Air China
31 Dec - 06 Jan	Air China
25 Dec - 10 Jan	Air China
25 Dec - 17 Jan	Air China

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 $653

Return flights