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

Return flights

25 Jan - 04 Feb	Scoot
25 Jan - 07 Feb	Scoot
22 Jan - 28 Feb	Scoot
27 Jan - 04 Feb	Scoot
23 Jan - 29 Jan	Jetstar	direct
19 Jan - 24 Feb	Jetstar
22 Jan - 28 Feb	Jetstar	direct
26 Jan - 02 Feb	Scoot
19 Jan - 03 Feb	Jetstar
27 Jan - 03 Feb	Jetstar
28 Jan - 03 Feb	Jetstar
21 Jan - 30 Jan	Jetstar	direct
16 Jan - 29 Jan	Jetstar	direct
21 Jan - 31 Jan	Cebu Pacific
11 Jan - 20 Jan	Jetstar	direct
11 Jan - 19 Jan	Jetstar	direct
15 Jan - 27 Jan	Jetstar	direct
08 Jan - 25 Jan	Jetstar	direct
13 Jan - 24 Jan	Jetstar	direct
12 Jan - 24 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 434€

Return flights