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

Return flights

25 Jan - 24 Feb	Scoot
13 Jan - 08 Feb	AirAsia X
26 Jan - 23 Feb	Jetstar
27 Jan - 24 Feb	Jetstar
25 Jan - 23 Feb	Jetstar
22 Jan - 24 Feb	Jetstar
10 Jan - 24 Feb	Jetstar
27 Jan - 03 Feb	Scoot
21 Jan - 09 Feb	Jetstar
27 Jan - 09 Feb	Jetstar
13 Jan - 23 Jan	China Eastern
19 Jan - 26 Jan	China Eastern
23 Jan - 31 Jan	China Eastern
13 Jan - 29 Jan	AirAsia X
20 Jan - 27 Jan	Scoot
20 Jan - 29 Jan	Scoot
25 Jan - 31 Jan	Scoot
18 Jan - 31 Jan	Jetstar
18 Jan - 29 Jan	Scoot
18 Jan - 28 Jan	Scoot

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 417€

Return flights