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

Return flights

04 May - 01 Jun	Aer Lingus
19 May - 26 May	British Airways
18 May - 24 May	British Airways
06 May - 23 May	Etihad Airways
09 May - 25 May	Etihad Airways
02 May - 23 May	Etihad Airways
13 May - 30 May	British Airways
04 May - 25 May	Aer Lingus
01 May - 05 Jun	Qatar Airways
15 May - 05 Jun	Qatar Airways

Also check the deals for one-way flights from Dublin 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 Dublin to Perth in May from $1666

Return flights