Cheapest one-way flights from Dublin to Barcelona in September from 42€

Best time to book flights for Dublin (DUB) to Barcelona (BCN) flights at AirHint

AirHint found the following cheapest one-way flights from Dublin (DUB) to Barcelona (BCN) in September 2025 (see full year).

One-Way flights

24 Sep Vueling Airlines direct
29 Sep Vueling Airlines direct
22 Sep Ryanair direct
23 Sep Ryanair direct
11 Sep Ryanair direct
04 Sep Ryanair direct
25 Sep Ryanair direct
19 Sep Vueling Airlines direct
20 Sep Vueling Airlines
01 Sep Ryanair direct

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

Skyscanner

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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