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

Return flights

14 Jan - 19 Jan	Scoot
19 Jan - 24 Jan	Scoot
19 Jan - 05 Feb	Scoot
08 Jan - 18 Jan	Scoot
12 Jan - 16 Jan	Scoot
17 Jan - 04 Feb	Scoot
18 Jan - 04 Feb	Scoot
18 Jan - 03 Feb	Scoot
13 Jan - 15 Jan	Scoot
08 Jan - 22 Jan	Scoot
18 Jan - 05 Feb	Scoot
27 Jan - 03 Feb	Korean Air
17 Jan - 03 Feb	Cathay Pacific

Also check the deals for one-way flights from Cheju 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 Cheju to Sydney in January from $725

Return flights