AirHint found the following cheapest one-way flights from Barcelona (BCN) to Dublin (DUB) in May 2026 (see full year).

One-Way flights

26 May	Vueling Airlines	direct
07 May	Vueling Airlines	direct
27 May	Vueling Airlines	direct
19 May	Vueling Airlines	direct
21 May	Vueling Airlines	direct
03 May	Vueling Airlines	direct
02 May	Vueling Airlines	direct
13 May	Vueling Airlines	direct
14 May	Vueling Airlines	direct
10 May	Vueling Airlines	direct

Also check the deals for return flights from Barcelona to Dublin in May.

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 one-way flights from Barcelona to Dublin in May from $23

One-Way flights