AirHint found the following cheapest return flights from Dublin (DUB) to Perth (PER) in December 2025 (see full year).

Return flights

07 Dec - 12 Jan	Aer Lingus
11 Dec - 22 Jan	Aer Lingus
24 Dec - 21 Jan	British Airways
21 Dec - 11 Jan	Ryanair
23 Dec - 20 Jan	British Airways
01 Dec - 29 Dec	Etihad Airways
08 Dec - 29 Dec	Aer Lingus
28 Dec - 16 Jan	Aer Lingus
28 Dec - 15 Jan	Aer Lingus
29 Dec - 17 Jan	Aer Lingus
27 Dec - 23 Jan	British Airways
26 Dec - 23 Jan	British Airways
09 Dec - 30 Dec	Aer Lingus
06 Dec - 27 Dec	Etihad Airways
10 Dec - 30 Dec	Emirates
12 Dec - 14 Dec	Qatar Airways
01 Dec - 15 Dec	Qatar Airways
20 Dec - 27 Dec	Emirates

Also check the deals for one-way flights from Dublin to Perth in December.

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 December from $1059

Return flights