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

One-Way flights

24 Mar	Vueling Airlines	direct
04 Mar	Vueling Airlines	direct
31 Mar	Vueling Airlines	direct
09 Mar	Vueling Airlines	direct
11 Mar	Aer Lingus	direct
23 Mar	Vueling Airlines	direct
02 Mar	Vueling Airlines	direct
30 Mar	Vueling Airlines	direct
29 Mar	Vueling Airlines	direct
16 Mar	Vueling Airlines	direct

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

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 March from 39€

One-Way flights