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

Return flights

01 Dec - 05 Dec	VietJet Air
02 Dec - 08 Dec	Jeju Air
04 Dec - 09 Dec	VietJet Air
03 Dec - 09 Dec	VietJet Air
07 Dec - 10 Dec	China Airlines
05 Dec - 11 Dec	VietJet Air
08 Dec - 16 Dec	China Airlines
25 Dec - 01 Jan	VietJet Air
12 Dec - 19 Dec	Air China
18 Dec - 24 Dec	Air China
14 Dec - 27 Dec	Air China
26 Dec - 01 Jan	VietJet Air
26 Dec - 04 Jan	Vietnam Airlines
20 Dec - 03 Jan	Air China
23 Dec - 03 Jan	Jeju Air
25 Dec - 18 Jan	VietJet Air
21 Dec - 03 Jan	Asiana Airlines
25 Dec - 02 Jan	VietJet Air
25 Dec - 03 Jan	VietJet Air
30 Dec - 31 Jan	VietJet Air

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 $631

Return flights