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

Return flights

19 Aug - 25 Aug	Ryanair	direct
19 Aug - 24 Aug	Ryanair	direct
29 Aug - 11 Sep	Ryanair	direct
21 Aug - 26 Aug	Ryanair	direct
02 Aug - 17 Aug	Ryanair	direct
14 Aug - 25 Aug	Ryanair	direct
02 Aug - 16 Aug	Ryanair	direct
08 Aug - 10 Aug	Aegean Airlines
14 Aug - 23 Aug	TAP
08 Aug - 10 Aug	Ryanair	direct
14 Aug - 23 Aug	Ryanair	direct
29 Aug - 12 Sep	Ryanair	direct
30 Aug - 12 Sep	Ryanair	direct

Also check the deals for one-way flights from Dublin to Barcelona 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 Dublin to Barcelona in August from 145€

Return flights