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

Return flights

30 Jan - 09 Feb	Scoot
29 Jan - 24 Feb	Singapore Airlines
19 Jan - 24 Feb	Scoot
22 Jan - 19 Feb	Jetstar
13 Jan - 08 Feb	Scoot
20 Jan - 06 Feb	Scoot
26 Jan - 08 Feb	Scoot
25 Jan - 14 Feb	Scoot
09 Jan - 28 Feb	Scoot
22 Jan - 10 Feb	Jetstar
23 Jan - 31 Jan	Scoot
12 Jan - 26 Jan	Scoot
12 Jan - 27 Jan	Scoot
08 Jan - 14 Jan	Jetstar
17 Jan - 31 Jan	Jetstar	direct
19 Jan - 26 Jan	Cathay Pacific
23 Jan - 31 Jan	Jetstar	direct
08 Jan - 29 Jan	Jetstar	direct
04 Jan - 31 Jan	Garuda Indonesia
21 Jan - 28 Jan	Jetstar	direct

Also check the deals for one-way flights from Sydney to Seoul 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 Sydney to Seoul in January from 397€

Return flights