AirHint found the following cheapest return flights from Sydney (SYD) to Seoul (ICN) in July 2025 (see full year).

Return flights

26 Jul - 23 Aug	Scoot Tigerair
18 Jul - 11 Aug	Scoot Tigerair
29 Jul - 20 Aug	Jetstar	direct
23 Jul - 30 Aug	Jetstar	direct
25 Jul - 21 Aug	Scoot Tigerair
26 Jul - 23 Aug	Jetstar	direct
30 Jul - 08 Aug	Jetstar
30 Jul - 13 Aug	Scoot Tigerair
15 Jul - 20 Aug	Xiamen Airlines
26 Jul - 17 Aug	Jetstar	direct
17 Jul - 24 Jul	AirAsia X
20 Jul - 29 Jul	Jetstar
28 Jul - 31 Jul	Jetstar
14 Jul - 28 Jul	Air China
22 Jul - 30 Jul	Jetstar
21 Jul - 30 Jul	Jetstar
23 Jul - 30 Jul	Jetstar
14 Jul - 21 Jul	Air China
27 Jul - 30 Jul	Jetstar
16 Jul - 31 Jul	Air China

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

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 July from $443

Return flights