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

Return flights

10 Aug - 17 Aug	Scoot
18 Aug - 25 Aug	Scoot
25 Aug - 03 Sep	Scoot
24 Aug - 31 Aug	Scoot
03 Aug - 13 Aug	Scoot
28 Aug - 09 Sep	Scoot
03 Aug - 13 Aug	Jetstar	direct
12 Aug - 26 Aug	Jetstar	direct
10 Aug - 17 Aug	Jetstar	direct
25 Aug - 03 Sep	Jetstar	direct
27 Aug - 07 Sep	Jetstar	direct
24 Aug - 10 Sep	Scoot
05 Aug - 02 Sep	Scoot
28 Aug - 08 Sep	Scoot
13 Aug - 22 Aug	Jetstar	direct
18 Aug - 25 Aug	Jetstar	direct
05 Aug - 02 Sep	Jetstar	direct
28 Aug - 09 Sep	Jetstar	direct
28 Aug - 08 Sep	Jetstar	direct

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

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 August from $385

Return flights