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

One-Way flights

10 Apr	Vueling Airlines	direct
29 Apr	Vueling Airlines	direct
13 Apr	Vueling Airlines	direct
28 Apr	Vueling Airlines	direct
20 Apr	Vueling Airlines	direct
15 Apr	Vueling Airlines	direct
14 Apr	Vueling Airlines	direct
24 Apr	Vueling Airlines	direct
17 Apr	Vueling Airlines	direct
09 Apr	Iberia

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

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 Dublin to Barcelona in April from 28€

One-Way flights