AirHint found the following cheapest return flights from Busan (PUS) to Sydney (SYD) in January 2026 (see full year).

Return flights

12 Jan - 17 Jan	Air China
14 Jan - 28 Jan	Air China
23 Jan - 27 Jan	Air China
26 Jan - 01 Feb	Air China
16 Jan - 18 Jan	Air China
07 Jan - 17 Jan	Air China
12 Jan - 22 Jan	Air China
23 Jan - 01 Feb	Air China
29 Jan - 02 Feb	Jeju Air
28 Jan - 03 Feb	Jeju Air
28 Jan - 30 Jan	Jeju Air
01 Jan - 23 Jan	Korean Air
01 Jan - 10 Jan	Korean Air
20 Jan - 31 Jan	Jeju Air
29 Jan - 01 Feb	Jeju Air
26 Jan - 02 Feb	China Airlines
24 Jan - 10 Feb	Jeju Air
27 Jan - 05 Feb	VietJet Air
27 Jan - 04 Feb	VietJet Air
27 Jan - 02 Feb	VietJet Air

Also check the deals for one-way flights from Busan to Sydney in January.

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 January from 687€

Return flights