AirHint found the following cheapest return flights from Adelaide (ADL) to Seoul (ICN) in October 2025 (see full year).

Return flights

28 Oct - 04 Nov	Jetstar
30 Oct - 06 Nov	Jetstar
06 Oct - 27 Oct	Jetstar
08 Oct - 29 Oct	Jetstar
22 Oct - 29 Oct	Jetstar
19 Oct - 10 Nov	Jetstar
31 Oct - 21 Nov	Singapore Airlines
22 Oct - 08 Nov	Jetstar
30 Oct - 07 Nov	Singapore Airlines
20 Oct - 03 Nov	Jetstar
16 Oct - 18 Oct	Jetstar
17 Oct - 31 Oct	Jetstar
25 Oct - 01 Nov	Singapore Airlines
01 Oct - 24 Oct	Jetstar
21 Oct - 31 Oct	Jetstar
05 Oct - 10 Oct	Jetstar
05 Oct - 12 Oct	Jetstar
13 Oct - 20 Oct	Jetstar

Also check the deals for one-way flights from Adelaide 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 Adelaide to Seoul in October from 489€

Return flights