Cheap flights from Barcelona to Ireland from €15

The month of September is another great option to travel to Ireland, with average flight prices from Barcelona averaging around €15.

The cheapest day to depart on your flight to Ireland is on a Friday when prices can be found for as low as €137. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Wednesday because tickets tend to average around €175. These prices are subject to change though, so be sure to set up a Price Alert for flights to Ireland.

In the afternoon is the cheapest time of day to fly from Barcelona to Ireland when you can find flight prices for as low as €137. Flying to Ireland in the afternoon is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Ireland is in the morning when prices are around €162.

Fly from Girona Costa Brava to Dublin for the best Barcelona - Ireland flight prices

You are more likely to see cheaper flights to Ireland from Barcelona when booking weeks ahead of your departure date. In general, you can expect to find flights to Ireland for around €116 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ireland from Barcelona for as low as €80 on momondo.

Historically, on average around 22% of flights between Barcelona and Ireland have experienced a delay on any given week. The average delay length over the past 12 months has been 125 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

Wednesday is statistically the day of the week that experiences the fewest delays on this flight route. Saturday has historically seen more delays on average compared to the rest of the week.

According to our data, Vueling have had the fewest delays on this route over the last 12 months, with about 9% of their flights experiencing any sort of delay.

8 flights are operational daily from Barcelona to Ireland as of May 2026. The most popular departure time for this route is 23:00, with 41% of flights per day taking off at midday.

The number of flights available between Barcelona and Ireland is 60 per week as of May 2026. The most frequent departure day is Fri, with 28% of weekly flights leaving on this day.