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

Return flights

01 Jul - 14 Jul	Aer Lingus
01 Jul - 16 Jul	Aer Lingus
02 Jul - 21 Jul	Ryanair
01 Jul - 19 Jul	Aer Lingus
01 Jul - 15 Jul	Aer Lingus
08 Jul - 26 Jul	Aer Lingus
02 Jul - 26 Jul	Ryanair
01 Jul - 17 Jul	Aer Lingus
02 Jul - 05 Aug	Ryanair
01 Jul - 29 Jul	Aer Lingus
07 Jul - 25 Jul	Ryanair
01 Jul - 11 Aug	Aer Lingus
14 Jul - 03 Aug	Ryanair
28 Jul - 18 Aug	IndiGo
27 Jul - 18 Aug	IndiGo
29 Jul - 18 Aug	IndiGo
26 Jul - 18 Aug	IndiGo
21 Jul - 18 Aug	IndiGo
28 Jul - 17 Aug	IndiGo
29 Jul - 19 Aug	IndiGo

Also check the deals for one-way flights from Dublin to Perth 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 Dublin to Perth in July from $1010

Return flights