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

Return flights

01 Dec - 10 Dec	Jetstar
02 Dec - 12 Dec	Jetstar
01 Dec - 11 Dec	Jetstar
01 Dec - 07 Dec	China Southern
05 Dec - 08 Dec	Jetstar
07 Dec - 22 Dec	Jetstar
07 Dec - 23 Dec	Jetstar
02 Dec - 10 Jan	Jetstar
16 Dec - 29 Dec	Virgin Australia
15 Dec - 29 Dec	Jetstar
01 Dec - 18 Jan	Jetstar
30 Dec - 26 Jan	China Southern
01 Dec - 12 Jan	Jetstar
23 Dec - 07 Jan	China Southern
17 Dec - 29 Jan	Jetstar
31 Dec - 30 Jan	Jetstar
24 Dec - 02 Jan	Jetstar
30 Dec - 28 Jan	China Southern
30 Dec - 30 Jan	China Southern
18 Dec - 25 Dec	Jetstar

Also check the deals for one-way flights from Adelaide to Seoul in December.

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 December from 613€

Return flights