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

Return flights

30 Aug - 03 Sep	Aer Lingus
30 Aug - 02 Sep	Aer Lingus	direct
19 Aug - 26 Aug	Air France
28 Aug - 31 Aug	Air France
23 Aug - 26 Aug	Aer Lingus	direct
19 Aug - 26 Aug	Aer Lingus	direct
19 Aug - 19 Aug	Aer Lingus

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 187€

Return flights