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

Return flights

22 Jan - 17 Feb	Singapore Airlines
13 Jan - 27 Jan	Scoot
25 Jan - 31 Jan	Scoot
12 Jan - 26 Jan	Cebu Pacific
27 Jan - 11 Feb	Singapore Airlines
18 Jan - 28 Jan	Scoot
20 Jan - 19 Feb	Jetstar
23 Jan - 31 Jan	Scoot
29 Jan - 11 Feb	Jetstar
30 Jan - 17 Feb	Jetstar
14 Jan - 28 Jan	Jetstar	direct
19 Jan - 29 Jan	Jetstar
13 Jan - 05 Feb	China Airlines
19 Jan - 03 Feb	China Airlines
19 Jan - 08 Feb	Singapore Airlines
14 Jan - 03 Feb	China Airlines
28 Jan - 04 Feb	Singapore Airlines
20 Jan - 27 Jan	Scoot
12 Jan - 13 Jan	China Eastern
12 Jan - 14 Jan	China Eastern

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 442€

Return flights