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

Return flights

22 Oct - 08 Nov	Jetstar
23 Oct - 29 Oct	Jetstar
22 Oct - 26 Oct	Jetstar
31 Oct - 08 Nov	Jetstar
20 Oct - 27 Oct	Jetstar
23 Oct - 28 Oct	Jetstar
20 Oct - 10 Nov	Jetstar
31 Oct - 02 Nov	Singapore Airlines
23 Oct - 02 Nov	Jetstar
19 Oct - 26 Oct	Jetstar
23 Oct - 01 Nov	Jetstar
24 Oct - 28 Oct	Jetstar
30 Oct - 08 Nov	Jetstar
01 Oct - 05 Nov	Jetstar
01 Oct - 20 Oct	Jetstar
04 Oct - 22 Oct	Qantas
15 Oct - 22 Oct	Jetstar
04 Oct - 20 Oct	Singapore Airlines
16 Oct - 07 Nov	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 $724

Return flights