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

Return flights

03 Aug - 11 Aug	Philippines AirAsia Inc.
04 Aug - 25 Aug	Singapore Airlines
15 Aug - 22 Aug	Malaysia Airlines
15 Aug - 25 Aug	AirAsia X
06 Aug - 25 Aug	AirAsia X
04 Aug - 11 Aug	AirAsia X
06 Aug - 11 Aug	AirAsia X
04 Aug - 12 Aug	AirAsia X
01 Aug - 11 Aug	AirAsia X
03 Aug - 12 Aug	AirAsia X

Also check the deals for one-way flights from Seoul to Perth 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 Seoul to Perth in August from $563

Return flights