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

Return flights

23 Jan - 28 Jan	Korean Air
12 Jan - 15 Jan	Air China
04 Jan - 18 Jan	Air China
11 Jan - 18 Jan	Air China
14 Jan - 22 Jan	Air China
19 Jan - 29 Jan	Air China
05 Jan - 15 Jan	Air China
14 Jan - 18 Jan	Air China
26 Jan - 04 Feb	Air China
04 Jan - 10 Jan	Air China
12 Jan - 18 Jan	Air China
13 Jan - 03 Feb	Vietnam Airlines
13 Jan - 04 Feb	Philippine Airlines
13 Jan - 02 Feb	Vietnam Airlines
31 Jan - 03 Feb	Vietnam Airlines
11 Jan - 02 Feb	China Airlines
12 Jan - 02 Feb	China Airlines
13 Jan - 08 Feb	Vietnam Airlines
13 Jan - 22 Feb	China Airlines
26 Jan - 02 Feb	Cathay Pacific

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 $829

Return flights