AirHint found the following cheapest return flights from Brest (BES) to Dublin (DUB) in August 2025 (see full year).

Return flights

26 Aug - 30 Aug	Aer Lingus	direct
16 Aug - 19 Aug	Chalair
16 Aug - 23 Aug	Chalair
02 Aug - 12 Aug	Aer Lingus	direct
16 Aug - 19 Aug	Aer Lingus	direct
16 Aug - 23 Aug	Aer Lingus	direct
15 Aug - 22 Aug	Volotea

Also check the deals for one-way flights from Brest to Dublin 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 Brest to Dublin in August from $141

Return flights