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

Return flights

13 Oct - 22 Oct	AirAsia X
17 Oct - 31 Oct	Scoot
28 Oct - 04 Nov	Jetstar	direct
28 Oct - 21 Nov	Jetstar	direct
26 Oct - 02 Nov	Jetstar	direct
26 Oct - 03 Nov	Jetstar	direct
15 Oct - 24 Oct	Jetstar	direct
14 Oct - 21 Oct	Jetstar	direct
24 Oct - 08 Nov	Jetstar	direct
17 Oct - 31 Oct	Jetstar	direct
18 Oct - 01 Nov	Jetstar	direct
21 Oct - 12 Nov	Jetstar	direct
12 Oct - 26 Oct	Scoot
13 Oct - 20 Oct	Jetstar
13 Oct - 24 Oct	Jetstar
13 Oct - 23 Oct	Jetstar
07 Oct - 17 Oct	Jetstar	direct
01 Oct - 01 Nov	Jetstar
01 Oct - 01 Nov	Qantas	direct
30 Oct - 10 Nov	China Southern

Also check the deals for one-way flights from Sydney to Seoul in October.

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 October from 329€

Return flights