AirHint found the following cheapest return flights from Barcelona (BCN) to Dublin (DUB) in August 2026 (see full year).

Return flights

28 Aug - 07 Sep	Ryanair	direct
01 Aug - 05 Aug	SWISS
19 Aug - 25 Aug	SWISS
15 Aug - 03 Sep	SWISS
19 Aug - 25 Aug	Ryanair	direct
10 Aug - 15 Aug	SWISS
07 Aug - 16 Aug	TAP
07 Aug - 16 Aug	Ryanair	direct
23 Aug - 25 Aug	Ryanair
23 Aug - 24 Aug	Ryanair	direct
23 Aug - 25 Aug	Ryanair	direct
01 Aug - 05 Aug	Aer Lingus	direct
15 Aug - 03 Sep	Ryanair	direct

Also check the deals for one-way flights from Barcelona 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 Barcelona to Dublin in August from 134€

Return flights