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

Return flights

01 May - 04 May	Scoot Tigerair
07 May - 13 May	Scoot Tigerair
07 May - 15 May	AirAsia X
22 May - 31 May	AirAsia X
22 May - 01 Jun	AirAsia X
07 May - 27 May	AirAsia X
22 May - 27 May	AirAsia X
20 May - 31 May	AirAsia X
11 May - 31 May	AirAsia X
27 May - 31 May	AirAsia X
05 May - 15 May	AirAsia X
20 May - 01 Jun	AirAsia X
11 May - 01 Jun	AirAsia X
27 May - 01 Jun	AirAsia X
30 May - 01 Jun	AirAsia X
27 May - 14 Jun	AirAsia X
22 May - 11 Jun	AirAsia X
30 May - 14 Jun	AirAsia X
27 May - 11 Jun	AirAsia X
30 May - 11 Jun	AirAsia X

Also check the deals for one-way flights from Seoul to Perth in May.

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 May from $400

Return flights