Cheapest one-way flights from Dublin to Barcelona in September from 36€

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

26 Sep Vueling Airlines direct
22 Sep Vueling Airlines direct
10 Sep Vueling Airlines direct
30 Sep Ryanair direct
21 Sep Vueling Airlines direct
28 Sep Vueling Airlines direct
09 Sep Vueling Airlines direct
15 Sep Ryanair direct
11 Sep Ryanair direct
04 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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