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

Return flights

25 Jan - 08 Feb	Jetstar
20 Jan - 28 Feb	Qantas
16 Jan - 21 Feb	Jetstar
31 Jan - 10 Feb	Singapore Airlines
24 Jan - 02 Feb	Singapore Airlines
17 Jan - 08 Feb	Qantas
19 Jan - 10 Feb	Singapore Airlines
22 Jan - 11 Feb	Singapore Airlines
13 Jan - 08 Feb	Singapore Airlines
19 Jan - 31 Jan	Jetstar
26 Jan - 31 Jan	Jetstar
20 Jan - 31 Jan	Qantas
06 Jan - 28 Jan	China Southern
12 Jan - 22 Jan	Jetstar
14 Jan - 20 Jan	Singapore Airlines
06 Jan - 27 Jan	Qantas
08 Jan - 18 Jan	Qantas

Also check the deals for one-way flights from Adelaide 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 Adelaide to Seoul in January from 402€

Return flights